Adding upstream version 8.2402.0.upstream/8.2402.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 3149 insertions, 0 deletions

diff --git a/plugins/omelasticsearch/Makefile.am b/plugins/omelasticsearch/Makefile.am
new file mode 100644
index 0000000..ddaa59a
--- /dev/null
+++ b/plugins/omelasticsearch/Makefile.am
@@ -0,0 +1,8 @@
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+
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+omelasticsearch_la_LIBADD =  $(CURL_LIBS) $(LIBM)
+
+EXTRA_DIST = 
diff --git a/plugins/omelasticsearch/Makefile.in b/plugins/omelasticsearch/Makefile.in
new file mode 100644
index 0000000..e329e68
--- /dev/null
+++ b/plugins/omelasticsearch/Makefile.in
@@ -0,0 +1,801 @@
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+
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+
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+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(pkglibdir)"; \
+	}
+
+uninstall-pkglibLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@list='$(pkglib_LTLIBRARIES)'; test -n "$(pkglibdir)" || list=; \
+	for p in $$list; do \
+	  $(am__strip_dir) \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(pkglibdir)/$$f'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(pkglibdir)/$$f"; \
+	done
+
+clean-pkglibLTLIBRARIES:
+	-test -z "$(pkglib_LTLIBRARIES)" || rm -f $(pkglib_LTLIBRARIES)
+	@list='$(pkglib_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
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+
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+
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+
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+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
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+@am__fastdepCC_TRUE@	$(COMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+
+.c.obj:
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+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+
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+@am__fastdepCC_TRUE@	$(LTCOMPILE) -MT $@ -MD -MP -MF $$depbase.Tpo -c -o $@ $< &&\
+@am__fastdepCC_TRUE@	$(am__mv) $$depbase.Tpo $$depbase.Plo
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+
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+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/omelasticsearch_la-omelasticsearch.Tpo $(DEPDIR)/omelasticsearch_la-omelasticsearch.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='omelasticsearch.c' object='omelasticsearch_la-omelasticsearch.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
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+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
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+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
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+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
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+
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
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+	list='$(DISTFILES)'; \
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+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
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+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
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+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
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+	for dir in "$(DESTDIR)$(pkglibdir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
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+install-am: all-am
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
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+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
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+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
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+	-rm -f Makefile
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+	distclean-tags
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+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-pkglibLTLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-pkglibLTLIBRARIES install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
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+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am uninstall-pkglibLTLIBRARIES
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/plugins/omelasticsearch/README b/plugins/omelasticsearch/README
new file mode 100644
index 0000000..b8bf415
--- /dev/null
+++ b/plugins/omelasticsearch/README
@@ -0,0 +1,21 @@
+How to access ElasticSearch on local machine (for testing):
+===========================================================
+see: https://github.com/mobz/elasticsearch-head
+
+How to produce an error:
+========================
+It's quite easy to get 400, if you put a wrong mapping to your
+index. That would be easy to reproduce in "normal" omelasticsearch usage
+conditions, by only altering the ES configuration:
+
+1. Make your index first. Let's call it "testindex":
+$ curl -XPUT localhost:9200/testindex/
+
+2. Put your mapping for a search type called "mytype", where you specify
+that date property should be an integer:
+$ curl -XPUT localhost:9200/testindex/mytype/_mapping -d '{"mytype":{"properties": {"timegenerated":{"type":"integer"}}}}'
+
+3. Now try to insert something where date is not an integer:
+$ curl -XPOST localhost:9200/testindex/mytype/ -d '{"timegenerated":"bla"}'
+{"error":"MapperParsingException[Failed to parse [date]]; nested: NumberFormatException[For input string: \"bla\"]; ","status":400}
+
diff --git a/plugins/omelasticsearch/omelasticsearch.c b/plugins/omelasticsearch/omelasticsearch.c
new file mode 100644
index 0000000..b297a92
--- /dev/null
+++ b/plugins/omelasticsearch/omelasticsearch.c
@@ -0,0 +1,2319 @@
+/* omelasticsearch.c
+ * This is the http://www.elasticsearch.org/ output module.
+ *
+ * NOTE: read comments in module-template.h for more specifics!
+ *
+ * Copyright 2011 Nathan Scott.
+ * Copyright 2009-2022 Rainer Gerhards and Adiscon GmbH.
+ *
+ * This file is part of rsyslog.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *       http://www.apache.org/licenses/LICENSE-2.0
+ *       -or-
+ *       see COPYING.ASL20 in the source distribution
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "config.h"
+#include "rsyslog.h"
+#include <stdio.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <memory.h>
+#include <string.h>
+#include <curl/curl.h>
+#include <curl/easy.h>
+#include <assert.h>
+#include <signal.h>
+#include <errno.h>
+#include <time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#if defined(__FreeBSD__)
+#include <unistd.h>
+#endif
+#include <json.h>
+#include "conf.h"
+#include "syslogd-types.h"
+#include "srUtils.h"
+#include "template.h"
+#include "module-template.h"
+#include "errmsg.h"
+#include "statsobj.h"
+#include "cfsysline.h"
+#include "unicode-helper.h"
+#include "obj-types.h"
+#include "ratelimit.h"
+#include "ruleset.h"
+
+#ifndef O_LARGEFILE
+#  define O_LARGEFILE 0
+#endif
+
+MODULE_TYPE_OUTPUT
+MODULE_TYPE_NOKEEP
+MODULE_CNFNAME("omelasticsearch")
+
+/* internal structures */
+DEF_OMOD_STATIC_DATA
+DEFobjCurrIf(statsobj)
+DEFobjCurrIf(prop)
+DEFobjCurrIf(ruleset)
+
+statsobj_t *indexStats;
+STATSCOUNTER_DEF(indexSubmit, mutIndexSubmit)
+STATSCOUNTER_DEF(indexHTTPFail, mutIndexHTTPFail)
+STATSCOUNTER_DEF(indexHTTPReqFail, mutIndexHTTPReqFail)
+STATSCOUNTER_DEF(checkConnFail, mutCheckConnFail)
+STATSCOUNTER_DEF(indexESFail, mutIndexESFail)
+STATSCOUNTER_DEF(indexSuccess, mutIndexSuccess)
+STATSCOUNTER_DEF(indexBadResponse, mutIndexBadResponse)
+STATSCOUNTER_DEF(indexDuplicate, mutIndexDuplicate)
+STATSCOUNTER_DEF(indexBadArgument, mutIndexBadArgument)
+STATSCOUNTER_DEF(indexBulkRejection, mutIndexBulkRejection)
+STATSCOUNTER_DEF(indexOtherResponse, mutIndexOtherResponse)
+STATSCOUNTER_DEF(rebinds, mutRebinds)
+
+static prop_t *pInputName = NULL;
+
+#	define META_STRT "{\"index\":{\"_index\": \""
+#	define META_STRT_CREATE "{\"create\":{"    /* \"_index\": \" */
+#	define META_IX "\"_index\": \""
+#	define META_TYPE "\",\"_type\":\""
+#       define META_PIPELINE "\",\"pipeline\":\""
+#	define META_PARENT "\",\"_parent\":\""
+#	define META_ID "\", \"_id\":\""
+#	define META_END  "\"}}\n"
+#	define META_END_NOQUOTE  " }}\n"
+
+typedef enum {
+	ES_WRITE_INDEX,
+	ES_WRITE_CREATE,
+	ES_WRITE_UPDATE, /* not supported */
+	ES_WRITE_UPSERT /* not supported */
+} es_write_ops_t;
+
+#define WRKR_DATA_TYPE_ES 0xBADF0001
+
+#define DEFAULT_REBIND_INTERVAL -1
+
+/* REST API for elasticsearch hits this URL:
+ * http://<hostName>:<restPort>/<searchIndex>/<searchType>
+ */
+/* bulk API uses /_bulk */
+typedef struct curl_slist HEADER;
+typedef struct instanceConf_s {
+	int defaultPort;
+	int fdErrFile;		/* error file fd or -1 if not open */
+	pthread_mutex_t mutErrFile;
+	uchar **serverBaseUrls;
+	int numServers;
+	long healthCheckTimeout;
+	long indexTimeout;
+	uchar *uid;
+	uchar *pwd;
+	uchar *authBuf;
+	uchar *searchIndex;
+	uchar *searchType;
+	uchar *pipelineName;
+	sbool skipPipelineIfEmpty;
+	uchar *parent;
+	uchar *tplName;
+	uchar *timeout;
+	uchar *bulkId;
+	uchar *errorFile;
+	int esVersion;
+	sbool errorOnly;
+	sbool interleaved;
+	sbool dynSrchIdx;
+	sbool dynSrchType;
+	sbool dynParent;
+	sbool dynBulkId;
+	sbool dynPipelineName;
+	sbool bulkmode;
+	size_t maxbytes;
+	sbool useHttps;
+	sbool allowUnsignedCerts;
+	sbool skipVerifyHost;
+	uchar *caCertFile;
+	uchar *myCertFile;
+	uchar *myPrivKeyFile;
+	es_write_ops_t writeOperation;
+	sbool retryFailures;
+	unsigned int ratelimitInterval;
+	unsigned int ratelimitBurst;
+	/* for retries */
+	ratelimit_t *ratelimiter;
+	uchar *retryRulesetName;
+	ruleset_t *retryRuleset;
+	int rebindInterval;
+	struct instanceConf_s *next;
+} instanceData;
+
+struct modConfData_s {
+	rsconf_t *pConf;		/* our overall config object */
+	instanceConf_t *root, *tail;
+};
+static modConfData_t *loadModConf = NULL;	/* modConf ptr to use for the current load process */
+
+typedef struct wrkrInstanceData {
+	PTR_ASSERT_DEF
+	instanceData *pData;
+	int serverIndex;
+	int replyLen;
+	size_t replyBufLen;
+	char *reply;
+	CURL	*curlCheckConnHandle;	/* libcurl session handle for checking the server connection */
+	CURL	*curlPostHandle;	/* libcurl session handle for posting data to the server */
+	HEADER	*curlHeader;	/* json POST request info */
+	uchar *restURL;		/* last used URL for error reporting */
+	struct {
+		es_str_t *data;
+		int nmemb;	/* number of messages in batch (for statistics counting) */
+		uchar *currTpl1;
+		uchar *currTpl2;
+	} batch;
+	int nOperations; /* counter used with rebindInterval */
+} wrkrInstanceData_t;
+
+/* tables for interfacing with the v6 config system */
+/* action (instance) parameters */
+static struct cnfparamdescr actpdescr[] = {
+	{ "server", eCmdHdlrArray, 0 },
+	{ "serverport", eCmdHdlrInt, 0 },
+	{ "healthchecktimeout", eCmdHdlrInt, 0 },
+	{ "indextimeout", eCmdHdlrInt, 0 },
+	{ "uid", eCmdHdlrGetWord, 0 },
+	{ "pwd", eCmdHdlrGetWord, 0 },
+	{ "searchindex", eCmdHdlrGetWord, 0 },
+	{ "searchtype", eCmdHdlrGetWord, 0 },
+	{ "pipelinename", eCmdHdlrGetWord, 0 },
+	{ "skippipelineifempty", eCmdHdlrBinary, 0 },
+	{ "parent", eCmdHdlrGetWord, 0 },
+	{ "dynsearchindex", eCmdHdlrBinary, 0 },
+	{ "dynsearchtype", eCmdHdlrBinary, 0 },
+	{ "dynparent", eCmdHdlrBinary, 0 },
+	{ "bulkmode", eCmdHdlrBinary, 0 },
+	{ "maxbytes", eCmdHdlrSize, 0 },
+	{ "asyncrepl", eCmdHdlrGoneAway, 0 },
+	{ "usehttps", eCmdHdlrBinary, 0 },
+	{ "timeout", eCmdHdlrGetWord, 0 },
+	{ "errorfile", eCmdHdlrGetWord, 0 },
+	{ "erroronly", eCmdHdlrBinary, 0 },
+	{ "interleaved", eCmdHdlrBinary, 0 },
+	{ "template", eCmdHdlrGetWord, 0 },
+	{ "dynbulkid", eCmdHdlrBinary, 0 },
+	{ "dynpipelinename", eCmdHdlrBinary, 0 },
+	{ "bulkid", eCmdHdlrGetWord, 0 },
+	{ "allowunsignedcerts", eCmdHdlrBinary, 0 },
+	{ "skipverifyhost", eCmdHdlrBinary, 0 },
+	{ "tls.cacert", eCmdHdlrString, 0 },
+	{ "tls.mycert", eCmdHdlrString, 0 },
+	{ "tls.myprivkey", eCmdHdlrString, 0 },
+	{ "writeoperation", eCmdHdlrGetWord, 0 },
+	{ "retryfailures", eCmdHdlrBinary, 0 },
+	{ "ratelimit.interval", eCmdHdlrInt, 0 },
+	{ "ratelimit.burst", eCmdHdlrInt, 0 },
+	{ "retryruleset", eCmdHdlrString, 0 },
+	{ "rebindinterval", eCmdHdlrInt, 0 },
+	{ "esversion.major", eCmdHdlrPositiveInt, 0 }
+};
+static struct cnfparamblk actpblk =
+	{ CNFPARAMBLK_VERSION,
+	  sizeof(actpdescr)/sizeof(struct cnfparamdescr),
+	  actpdescr
+	};
+
+static rsRetVal curlSetup(wrkrInstanceData_t *pWrkrData);
+
+BEGINcreateInstance
+CODESTARTcreateInstance
+	int r;
+	pData->fdErrFile = -1;
+	if((r = pthread_mutex_init(&pData->mutErrFile, NULL)) != 0) {
+		LogError(r, RS_RET_ERR, "omelasticsearch: cannot create "
+			"error file mutex, failing this action");
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+	pData->caCertFile = NULL;
+	pData->myCertFile = NULL;
+	pData->myPrivKeyFile = NULL;
+	pData->ratelimiter = NULL;
+	pData->retryRulesetName = NULL;
+	pData->retryRuleset = NULL;
+	pData->rebindInterval = DEFAULT_REBIND_INTERVAL;
+	pData->esVersion = 0;
+finalize_it:
+ENDcreateInstance
+
+BEGINcreateWrkrInstance
+CODESTARTcreateWrkrInstance
+	PTR_ASSERT_SET_TYPE(pWrkrData, WRKR_DATA_TYPE_ES);
+	pWrkrData->curlHeader = NULL;
+	pWrkrData->curlPostHandle = NULL;
+	pWrkrData->curlCheckConnHandle = NULL;
+	pWrkrData->serverIndex = 0;
+	pWrkrData->restURL = NULL;
+	if(pData->bulkmode) {
+		pWrkrData->batch.currTpl1 = NULL;
+		pWrkrData->batch.currTpl2 = NULL;
+		if((pWrkrData->batch.data = es_newStr(1024)) == NULL) {
+			LogError(0, RS_RET_OUT_OF_MEMORY,
+				"omelasticsearch: error creating batch string "
+			        "turned off bulk mode\n");
+			pData->bulkmode = 0; /* at least it works */
+		}
+	}
+	pWrkrData->nOperations = 0;
+	pWrkrData->reply = NULL;
+	pWrkrData->replyLen = 0;
+	pWrkrData->replyBufLen = 0;
+	iRet = curlSetup(pWrkrData);
+ENDcreateWrkrInstance
+
+BEGINisCompatibleWithFeature
+CODESTARTisCompatibleWithFeature
+	if(eFeat == sFEATURERepeatedMsgReduction)
+		iRet = RS_RET_OK;
+ENDisCompatibleWithFeature
+
+BEGINfreeInstance
+	int i;
+CODESTARTfreeInstance
+	if(pData->fdErrFile != -1)
+		close(pData->fdErrFile);
+
+	if(loadModConf != NULL) {
+		/* we keep our instances in our own internal list - this also
+		 * means we need to cleanup that list, else we cause grief.
+		 */
+		instanceData *prev = NULL;
+		for(instanceData *inst = loadModConf->root ; inst != NULL ; inst = inst->next) {
+			if(inst == pData) {
+				if(loadModConf->tail == inst) {
+					loadModConf->tail = prev;
+				}
+				prev->next = inst->next;
+				/* no need to correct inst back to prev - we exit now! */
+				break;
+			} else {
+				prev = inst;
+			}
+		}
+	}
+
+	pthread_mutex_destroy(&pData->mutErrFile);
+	for(i = 0 ; i < pData->numServers ; ++i)
+		free(pData->serverBaseUrls[i]);
+	free(pData->serverBaseUrls);
+	free(pData->uid);
+	free(pData->pwd);
+	free(pData->authBuf);
+	free(pData->searchIndex);
+	free(pData->searchType);
+	free(pData->pipelineName);
+	free(pData->parent);
+	free(pData->tplName);
+	free(pData->timeout);
+	free(pData->errorFile);
+	free(pData->bulkId);
+	free(pData->caCertFile);
+	free(pData->myCertFile);
+	free(pData->myPrivKeyFile);
+	free(pData->retryRulesetName);
+	if (pData->ratelimiter != NULL)
+		ratelimitDestruct(pData->ratelimiter);
+ENDfreeInstance
+
+BEGINfreeWrkrInstance
+CODESTARTfreeWrkrInstance
+	if(pWrkrData->curlHeader != NULL) {
+		curl_slist_free_all(pWrkrData->curlHeader);
+		pWrkrData->curlHeader = NULL;
+	}
+	if(pWrkrData->curlCheckConnHandle != NULL) {
+		curl_easy_cleanup(pWrkrData->curlCheckConnHandle);
+		pWrkrData->curlCheckConnHandle = NULL;
+	}
+	if(pWrkrData->curlPostHandle != NULL) {
+		curl_easy_cleanup(pWrkrData->curlPostHandle);
+		pWrkrData->curlPostHandle = NULL;
+	}
+	if (pWrkrData->restURL != NULL) {
+		free(pWrkrData->restURL);
+		pWrkrData->restURL = NULL;
+	}
+	es_deleteStr(pWrkrData->batch.data);
+	free(pWrkrData->reply);
+ENDfreeWrkrInstance
+
+BEGINdbgPrintInstInfo
+	int i;
+CODESTARTdbgPrintInstInfo
+	dbgprintf("omelasticsearch\n");
+	dbgprintf("\ttemplate='%s'\n", pData->tplName);
+	dbgprintf("\tnumServers=%d\n", pData->numServers);
+	dbgprintf("\thealthCheckTimeout=%lu\n", pData->healthCheckTimeout);
+	dbgprintf("\tindexTimeout=%lu\n", pData->indexTimeout);
+	dbgprintf("\tserverBaseUrls=");
+	for(i = 0 ; i < pData->numServers ; ++i)
+		dbgprintf("%c'%s'", i == 0 ? '[' : ' ', pData->serverBaseUrls[i]);
+	dbgprintf("]\n");
+	dbgprintf("\tdefaultPort=%d\n", pData->defaultPort);
+	dbgprintf("\tuid='%s'\n", pData->uid == NULL ? (uchar*)"(not configured)" : pData->uid);
+	dbgprintf("\tpwd=(%sconfigured)\n", pData->pwd == NULL ? "not " : "");
+	dbgprintf("\tsearch index='%s'\n", pData->searchIndex == NULL
+			? (uchar*)"(not configured)" : pData->searchIndex);
+	dbgprintf("\tsearch type='%s'\n",  pData->searchType == NULL
+			? (uchar*)"(not configured)" : pData->searchType);
+	dbgprintf("\tpipeline name='%s'\n", pData->pipelineName);
+	dbgprintf("\tdynamic pipeline name=%d\n", pData->dynPipelineName);
+	dbgprintf("\tskipPipelineIfEmpty=%d\n", pData->skipPipelineIfEmpty);
+	dbgprintf("\tparent='%s'\n", pData->parent);
+	dbgprintf("\ttimeout='%s'\n", pData->timeout);
+	dbgprintf("\tdynamic search index=%d\n", pData->dynSrchIdx);
+	dbgprintf("\tdynamic search type=%d\n", pData->dynSrchType);
+	dbgprintf("\tdynamic parent=%d\n", pData->dynParent);
+	dbgprintf("\tuse https=%d\n", pData->useHttps);
+	dbgprintf("\tbulkmode=%d\n", pData->bulkmode);
+	dbgprintf("\tmaxbytes=%zu\n", pData->maxbytes);
+	dbgprintf("\tallowUnsignedCerts=%d\n", pData->allowUnsignedCerts);
+	dbgprintf("\tskipVerifyHost=%d\n", pData->skipVerifyHost);
+	dbgprintf("\terrorfile='%s'\n", pData->errorFile == NULL ?
+		(uchar*)"(not configured)" : pData->errorFile);
+	dbgprintf("\terroronly=%d\n", pData->errorOnly);
+	dbgprintf("\tinterleaved=%d\n", pData->interleaved);
+	dbgprintf("\tdynbulkid=%d\n", pData->dynBulkId);
+	dbgprintf("\tbulkid='%s'\n", pData->bulkId);
+	dbgprintf("\ttls.cacert='%s'\n", pData->caCertFile);
+	dbgprintf("\ttls.mycert='%s'\n", pData->myCertFile);
+	dbgprintf("\ttls.myprivkey='%s'\n", pData->myPrivKeyFile);
+	dbgprintf("\twriteoperation='%d'\n", pData->writeOperation);
+	dbgprintf("\tretryfailures='%d'\n", pData->retryFailures);
+	dbgprintf("\tratelimit.interval='%u'\n", pData->ratelimitInterval);
+	dbgprintf("\tratelimit.burst='%u'\n", pData->ratelimitBurst);
+	dbgprintf("\trebindinterval='%d'\n", pData->rebindInterval);
+ENDdbgPrintInstInfo
+
+
+/* elasticsearch POST result string ... useful for debugging */
+static size_t
+curlResult(void *const ptr, const size_t size, const size_t nmemb, void *const userdata)
+{
+	const char *const p = (const char *)ptr;
+	wrkrInstanceData_t *const pWrkrData = (wrkrInstanceData_t*) userdata;
+	char *buf;
+	const size_t size_add = size*nmemb;
+	size_t newlen;
+	PTR_ASSERT_CHK(pWrkrData, WRKR_DATA_TYPE_ES);
+	newlen = pWrkrData->replyLen + size_add;
+	if(newlen + 1 > pWrkrData->replyBufLen) {
+		if((buf = realloc(pWrkrData->reply, pWrkrData->replyBufLen + size_add + 1)) == NULL) {
+			LogError(errno, RS_RET_ERR, "omelasticsearch: realloc failed in curlResult");
+			return 0; /* abort due to failure */
+		}
+		pWrkrData->replyBufLen += size_add + 1;
+		pWrkrData->reply = buf;
+	}
+	memcpy(pWrkrData->reply+pWrkrData->replyLen, p, size_add);
+	pWrkrData->replyLen = newlen;
+	return size_add;
+}
+
+/* Build basic URL part, which includes hostname and port as follows:
+ * http://hostname:port/ based on a server param
+ * Newly creates a cstr for this purpose.
+ * Note: serverParam MUST NOT end in '/' (caller must strip if it exists)
+ */
+static rsRetVal
+computeBaseUrl(const char*const serverParam,
+	const int defaultPort,
+	const sbool useHttps,
+	uchar **baseUrl)
+{
+#	define SCHEME_HTTPS "https://"
+#	define SCHEME_HTTP "http://"
+
+	char portBuf[64];
+	int r = 0;
+	const char *host = serverParam;
+	DEFiRet;
+
+	assert(serverParam[strlen(serverParam)-1] != '/');
+
+	es_str_t *urlBuf = es_newStr(256);
+	if (urlBuf == NULL) {
+		LogError(0, RS_RET_OUT_OF_MEMORY,
+		"omelasticsearch: failed to allocate es_str urlBuf in computeBaseUrl");
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+
+	/* Find where the hostname/ip of the server starts. If the scheme is not specified
+	  in the uri, start the buffer with a scheme corresponding to the useHttps parameter.
+	*/
+	if (strcasestr(serverParam, SCHEME_HTTP))
+		host = serverParam + strlen(SCHEME_HTTP);
+	else if (strcasestr(serverParam, SCHEME_HTTPS))
+		host = serverParam + strlen(SCHEME_HTTPS);
+	else
+		r = useHttps ? es_addBuf(&urlBuf, SCHEME_HTTPS, sizeof(SCHEME_HTTPS)-1) :
+			es_addBuf(&urlBuf, SCHEME_HTTP, sizeof(SCHEME_HTTP)-1);
+
+	if (r == 0) r = es_addBuf(&urlBuf, (char *)serverParam, strlen(serverParam));
+	if (r == 0 && !strchr(host, ':')) {
+		snprintf(portBuf, sizeof(portBuf), ":%d", defaultPort);
+		r = es_addBuf(&urlBuf, portBuf, strlen(portBuf));
+	}
+	if (r == 0) r = es_addChar(&urlBuf, '/');
+	if (r == 0) *baseUrl = (uchar*) es_str2cstr(urlBuf, NULL);
+
+	if (r != 0 || baseUrl == NULL) {
+		LogError(0, RS_RET_ERR,
+			"omelasticsearch: error occurred computing baseUrl from server %s", serverParam);
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+finalize_it:
+	if (urlBuf) {
+		es_deleteStr(urlBuf);
+	}
+	RETiRet;
+}
+
+static inline void
+incrementServerIndex(wrkrInstanceData_t *pWrkrData)
+{
+	pWrkrData->serverIndex = (pWrkrData->serverIndex + 1) % pWrkrData->pData->numServers;
+}
+
+
+/* checks if connection to ES can be established; also iterates over
+ * potential servers to support high availability (HA) feature. If it
+ * needs to switch server, will record new one in curl handle.
+ */
+static rsRetVal ATTR_NONNULL()
+checkConn(wrkrInstanceData_t *const pWrkrData)
+{
+#	define HEALTH_URI "_cat/health"
+	CURL *curl;
+	CURLcode res;
+	es_str_t *urlBuf;
+	char* healthUrl = NULL;
+	char* serverUrl;
+	int i;
+	int r;
+	DEFiRet;
+
+	pWrkrData->replyLen = 0;
+	curl = pWrkrData->curlCheckConnHandle;
+	urlBuf = es_newStr(256);
+	if (urlBuf == NULL) {
+		LogError(0, RS_RET_OUT_OF_MEMORY,
+			"omelasticsearch: unable to allocate buffer for health check uri.");
+		ABORT_FINALIZE(RS_RET_SUSPENDED);
+	}
+
+	for(i = 0; i < pWrkrData->pData->numServers; ++i) {
+		serverUrl = (char*) pWrkrData->pData->serverBaseUrls[pWrkrData->serverIndex];
+
+		es_emptyStr(urlBuf);
+		r = es_addBuf(&urlBuf, serverUrl, strlen(serverUrl));
+		if(r == 0) r = es_addBuf(&urlBuf, HEALTH_URI, sizeof(HEALTH_URI)-1);
+		if(r == 0) healthUrl = es_str2cstr(urlBuf, NULL);
+		if(r != 0 || healthUrl == NULL) {
+			LogError(0, RS_RET_OUT_OF_MEMORY,
+				"omelasticsearch: unable to allocate buffer for health check uri.");
+			ABORT_FINALIZE(RS_RET_SUSPENDED);
+		}
+
+		curl_easy_setopt(curl, CURLOPT_URL, healthUrl);
+		curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, curlResult);
+		res = curl_easy_perform(curl);
+		free(healthUrl);
+
+		if (res == CURLE_OK) {
+			DBGPRINTF("omelasticsearch: checkConn %s completed with success "
+				"on attempt %d\n", serverUrl, i);
+			ABORT_FINALIZE(RS_RET_OK);
+		}
+
+		DBGPRINTF("omelasticsearch: checkConn %s failed on attempt %d: %s\n",
+			serverUrl, i, curl_easy_strerror(res));
+		STATSCOUNTER_INC(checkConnFail, mutCheckConnFail);
+		incrementServerIndex(pWrkrData);
+	}
+
+	LogMsg(0, RS_RET_SUSPENDED, LOG_WARNING,
+		"omelasticsearch: checkConn failed after %d attempts.", i);
+	ABORT_FINALIZE(RS_RET_SUSPENDED);
+
+finalize_it:
+	if(urlBuf != NULL)
+		es_deleteStr(urlBuf);
+	RETiRet;
+}
+
+
+BEGINtryResume
+CODESTARTtryResume
+	DBGPRINTF("omelasticsearch: tryResume called\n");
+	iRet = checkConn(pWrkrData);
+ENDtryResume
+
+
+/* get the current index and type for this message */
+static void ATTR_NONNULL(1)
+getIndexTypeAndParent(const instanceData *const pData, uchar **const tpls,
+		      uchar **const srchIndex, uchar **const srchType, uchar **const parent,
+		      uchar **const bulkId, uchar **const pipelineName)
+{
+	*srchIndex = pData->searchIndex;
+	*parent = pData->parent;
+	*srchType = pData->searchType;
+	*bulkId = pData->bulkId;
+	*pipelineName = pData->pipelineName;
+	if(tpls == NULL) {
+		goto done;
+	}
+
+	int iNumTpls = 1;
+	if(pData->dynSrchIdx) {
+		*srchIndex = tpls[iNumTpls];
+		++iNumTpls;
+	}
+	if(pData->dynSrchType) {
+		*srchType = tpls[iNumTpls];
+		++iNumTpls;
+	}
+	if(pData->dynParent) {
+		*parent = tpls[iNumTpls];
+		++iNumTpls;
+	}
+	if(pData->dynBulkId) {
+		*bulkId = tpls[iNumTpls];
+		++iNumTpls;
+	}
+	if(pData->dynPipelineName) {
+		*pipelineName = tpls[iNumTpls];
+		++iNumTpls;
+	}
+
+done:
+	return;
+}
+
+
+static rsRetVal ATTR_NONNULL(1)
+setPostURL(wrkrInstanceData_t *const pWrkrData, uchar **const tpls)
+{
+	uchar *searchIndex = NULL;
+	uchar *searchType;
+	uchar *pipelineName;
+	uchar *parent;
+	uchar *bulkId;
+	char* baseUrl;
+	/* since 7.0, the API always requires /idx/_doc, so use that if searchType is not explicitly set */
+	uchar* actualSearchType = (uchar*)"_doc";
+	es_str_t *url;
+	int r = 0;
+	DEFiRet;
+	instanceData *const pData = pWrkrData->pData;
+	char separator;
+	const int bulkmode = pData->bulkmode;
+
+	baseUrl = (char*)pData->serverBaseUrls[pWrkrData->serverIndex];
+	url = es_newStrFromCStr(baseUrl, strlen(baseUrl));
+	if (url == NULL) {
+		LogError(0, RS_RET_OUT_OF_MEMORY,
+			"omelasticsearch: error allocating new estr for POST url.");
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+
+	separator = '?';
+
+	if(bulkmode) {
+		r = es_addBuf(&url, "_bulk", sizeof("_bulk")-1);
+		parent = NULL;
+	} else {
+		getIndexTypeAndParent(pData, tpls, &searchIndex, &searchType, &parent, &bulkId, &pipelineName);
+		if(searchIndex != NULL) {
+			r = es_addBuf(&url, (char*)searchIndex, ustrlen(searchIndex));
+			if(searchType != NULL && searchType[0] != '\0') {
+				actualSearchType = searchType;
+			}
+			if(r == 0) r = es_addChar(&url, '/');
+			if(r == 0) r = es_addBuf(&url, (char*)actualSearchType, ustrlen(actualSearchType));
+		}
+		if(pipelineName != NULL && (!pData->skipPipelineIfEmpty || pipelineName[0] != '\0')) {
+			if(r == 0) r = es_addChar(&url, separator);
+			if(r == 0) r = es_addBuf(&url, "pipeline=", sizeof("pipeline=")-1);
+			if(r == 0) r = es_addBuf(&url, (char*)pipelineName, ustrlen(pipelineName));
+			separator = '&';
+		}
+	}
+
+	if(pData->timeout != NULL) {
+		if(r == 0) r = es_addChar(&url, separator);
+		if(r == 0) r = es_addBuf(&url, "timeout=", sizeof("timeout=")-1);
+		if(r == 0) r = es_addBuf(&url, (char*)pData->timeout, ustrlen(pData->timeout));
+		separator = '&';
+	}
+
+	if(parent != NULL) {
+		if(r == 0) r = es_addChar(&url, separator);
+		if(r == 0) r = es_addBuf(&url, "parent=", sizeof("parent=")-1);
+		if(r == 0) es_addBuf(&url, (char*)parent, ustrlen(parent));
+	}
+
+	if(pWrkrData->restURL != NULL)
+		free(pWrkrData->restURL);
+
+	pWrkrData->restURL = (uchar*)es_str2cstr(url, NULL);
+	curl_easy_setopt(pWrkrData->curlPostHandle, CURLOPT_URL, pWrkrData->restURL);
+	DBGPRINTF("omelasticsearch: using REST URL: '%s'\n", pWrkrData->restURL);
+
+finalize_it:
+	if (url != NULL)
+		es_deleteStr(url);
+	RETiRet;
+}
+
+
+/* this method computes the expected size of adding the next message into
+ * the batched request to elasticsearch
+ */
+static size_t
+computeMessageSize(const wrkrInstanceData_t *const pWrkrData,
+	const uchar *const message,
+	uchar **const tpls)
+{
+	size_t r = sizeof(META_END)-1 + sizeof("\n")-1;
+	if (pWrkrData->pData->writeOperation == ES_WRITE_CREATE)
+		r += sizeof(META_STRT_CREATE)-1;
+	else
+		r += sizeof(META_STRT)-1;
+
+	uchar *searchIndex = NULL;
+	uchar *searchType;
+	uchar *parent = NULL;
+	uchar *bulkId = NULL;
+	uchar *pipelineName;
+
+	getIndexTypeAndParent(pWrkrData->pData, tpls, &searchIndex, &searchType, &parent, &bulkId, &pipelineName);
+	r += ustrlen((char *)message);
+	if(searchIndex != NULL) {
+		r += ustrlen(searchIndex);
+	}
+	if(searchType != NULL) {
+		if(searchType[0] == '\0') {
+			r += 4; // "_doc"
+		} else {
+			r += ustrlen(searchType);
+		}
+	}
+	if(parent != NULL) {
+		r += sizeof(META_PARENT)-1 + ustrlen(parent);
+	}
+	if(bulkId != NULL) {
+		r += sizeof(META_ID)-1 + ustrlen(bulkId);
+	}
+	if(pipelineName != NULL && (!pWrkrData->pData->skipPipelineIfEmpty || pipelineName[0] != '\0')) {
+		r += sizeof(META_PIPELINE)-1 + ustrlen(pipelineName);
+	}
+
+	return r;
+}
+
+
+/* this method does not directly submit but builds a batch instead. It
+ * may submit, if we have dynamic index/type and the current type or
+ * index changes.
+ */
+static rsRetVal
+buildBatch(wrkrInstanceData_t *pWrkrData, uchar *message, uchar **tpls)
+{
+	int length = strlen((char *)message);
+	int r;
+	int endQuote = 1;
+	uchar *searchIndex = NULL;
+	uchar *searchType;
+	uchar *parent = NULL;
+	uchar *bulkId = NULL;
+	uchar *pipelineName;
+	DEFiRet;
+
+	getIndexTypeAndParent(pWrkrData->pData, tpls, &searchIndex, &searchType, &parent, &bulkId, &pipelineName);
+	if (pWrkrData->pData->writeOperation == ES_WRITE_CREATE) {
+		r = es_addBuf(&pWrkrData->batch.data, META_STRT_CREATE, sizeof(META_STRT_CREATE)-1);
+		endQuote = 0;
+	} else
+		r = es_addBuf(&pWrkrData->batch.data, META_STRT, sizeof(META_STRT)-1);
+	if(searchIndex != NULL) {
+		endQuote = 1;
+		if (pWrkrData->pData->writeOperation == ES_WRITE_CREATE)
+			if(r == 0) r = es_addBuf(&pWrkrData->batch.data, META_IX, sizeof(META_IX)-1);
+		if(r == 0) r = es_addBuf(&pWrkrData->batch.data, (char*)searchIndex,
+				 ustrlen(searchIndex));
+		if(searchType != NULL && searchType[0] != '\0') {
+			if(r == 0) r = es_addBuf(&pWrkrData->batch.data, META_TYPE, sizeof(META_TYPE)-1);
+			if(r == 0) r = es_addBuf(&pWrkrData->batch.data, (char*)searchType,
+				 ustrlen(searchType));
+		}
+	}
+	if(parent != NULL) {
+		endQuote = 1;
+		if(r == 0) r = es_addBuf(&pWrkrData->batch.data, META_PARENT, sizeof(META_PARENT)-1);
+		if(r == 0) r = es_addBuf(&pWrkrData->batch.data, (char*)parent, ustrlen(parent));
+	}
+	if(pipelineName != NULL && (!pWrkrData->pData->skipPipelineIfEmpty || pipelineName[0] != '\0')) {
+		endQuote = 1;
+		if(r == 0) r = es_addBuf(&pWrkrData->batch.data, META_PIPELINE, sizeof(META_PIPELINE)-1);
+		if(r == 0) r = es_addBuf(&pWrkrData->batch.data, (char*)pipelineName, ustrlen(pipelineName));
+	}
+	if(bulkId != NULL) {
+		endQuote = 1;
+		if(r == 0) r = es_addBuf(&pWrkrData->batch.data, META_ID, sizeof(META_ID)-1);
+		if(r == 0) r = es_addBuf(&pWrkrData->batch.data, (char*)bulkId, ustrlen(bulkId));
+	}
+	if(endQuote == 0) {
+		if(r == 0) r = es_addBuf(&pWrkrData->batch.data, META_END_NOQUOTE, sizeof(META_END_NOQUOTE)-1);
+	} else {
+		if(r == 0) r = es_addBuf(&pWrkrData->batch.data, META_END, sizeof(META_END)-1);
+	}
+	if(r == 0) r = es_addBuf(&pWrkrData->batch.data, (char*)message, length);
+	if(r == 0) r = es_addBuf(&pWrkrData->batch.data, "\n", sizeof("\n")-1);
+	if(r != 0) {
+		LogError(0, RS_RET_ERR,
+			"omelasticsearch: growing batch failed with code %d", r);
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+	++pWrkrData->batch.nmemb;
+	iRet = RS_RET_OK;
+
+finalize_it:
+	RETiRet;
+}
+
+/*
+ * Dumps entire bulk request and response in error log
+ */
+static rsRetVal
+getDataErrorDefault(wrkrInstanceData_t *pWrkrData,fjson_object **pReplyRoot,uchar *reqmsg,char **rendered)
+{
+	DEFiRet;
+	fjson_object *req=NULL;
+	fjson_object *errRoot=NULL;
+	fjson_object *replyRoot = *pReplyRoot;
+
+	if((req=fjson_object_new_object()) == NULL) ABORT_FINALIZE(RS_RET_ERR);
+	fjson_object_object_add(req, "url", fjson_object_new_string((char*)pWrkrData->restURL));
+	fjson_object_object_add(req, "postdata", fjson_object_new_string((char*)reqmsg));
+
+	if((errRoot=fjson_object_new_object()) == NULL) ABORT_FINALIZE(RS_RET_ERR);
+	fjson_object_object_add(errRoot, "request", req);
+	fjson_object_object_add(errRoot, "reply", replyRoot);
+	*rendered = strdup((char*)fjson_object_to_json_string(errRoot));
+
+	req=NULL;
+	fjson_object_put(errRoot);
+
+	*pReplyRoot = NULL; /* tell caller not to delete once again! */
+
+	finalize_it:
+		fjson_object_put(req);
+		RETiRet;
+}
+
+/*
+ * Sets bulkRequestNextSectionStart pointer to next sections start in the buffer pointed by bulkRequest.
+ * Sections are marked by { and }
+ */
+static rsRetVal
+getSection(const char* bulkRequest, const char **bulkRequestNextSectionStart )
+{
+		DEFiRet;
+		char* idx =0;
+		if( (idx = strchr(bulkRequest,'\n')) != 0)/*intermediate section*/
+		{
+			*bulkRequestNextSectionStart = ++idx;
+		}
+		else
+		{
+			*bulkRequestNextSectionStart=0;
+			ABORT_FINALIZE(RS_RET_ERR);
+		}
+
+	     finalize_it:
+	     	  RETiRet;
+}
+
+/*
+ * Sets the new string in singleRequest for one request in bulkRequest
+ * and sets lastLocation pointer to the location till which bulkrequest has been parsed.
+ * (used as input to make function thread safe.)
+ */
+static rsRetVal
+getSingleRequest(const char* bulkRequest, char** singleRequest, const char **lastLocation)
+{
+	DEFiRet;
+	const char *req = bulkRequest;
+	const char *start = bulkRequest;
+	if (getSection(req,&req)!=RS_RET_OK)
+		ABORT_FINALIZE(RS_RET_ERR);
+
+	if (getSection(req,&req)!=RS_RET_OK)
+			ABORT_FINALIZE(RS_RET_ERR);
+
+	CHKmalloc(*singleRequest = (char*) calloc (req - start+ 1 + 1,1));
+	/* (req - start+ 1 == length of data + 1 for terminal char)*/
+	memcpy(*singleRequest,start,req - start);
+	*lastLocation=req;
+
+finalize_it:
+	RETiRet;
+}
+
+/*
+ * check the status of response from ES
+ */
+static int checkReplyStatus(fjson_object* ok) {
+	return (ok == NULL || !fjson_object_is_type(ok, fjson_type_int) || fjson_object_get_int(ok) < 0 ||
+		fjson_object_get_int(ok) > 299);
+}
+
+/*
+ * Context object for error file content creation or status check
+ * response_item - the full {"create":{"_index":"idxname",.....}}
+ * response_body - the inner hash of the response_item - {"_index":"idxname",...}
+ * status - the "status" field from the inner hash - "status":500
+ *          should be able to use fjson_object_get_int(status) to get the http result code
+ */
+typedef struct exeContext{
+	int statusCheckOnly;
+	fjson_object *errRoot;
+	rsRetVal (*prepareErrorFileContent)(struct exeContext *ctx,int itemStatus,char *request,char *response,
+			fjson_object *response_item, fjson_object *response_body, fjson_object *status);
+	es_write_ops_t writeOperation;
+	ratelimit_t *ratelimiter;
+	ruleset_t *retryRuleset;
+	struct json_tokener *jTokener;
+} context;
+
+/*
+ * get content to be written in error file using context passed
+ */
+static rsRetVal
+parseRequestAndResponseForContext(wrkrInstanceData_t *pWrkrData,fjson_object **pReplyRoot,uchar *reqmsg,context *ctx)
+{
+	DEFiRet;
+	fjson_object *replyRoot = *pReplyRoot;
+	int i;
+	int numitems;
+	fjson_object *items=NULL, *jo_errors = NULL;
+
+	/*iterate over items*/
+	if(!fjson_object_object_get_ex(replyRoot, "items", &items)) {
+		LogError(0, RS_RET_DATAFAIL,
+			"omelasticsearch: error in elasticsearch reply: "
+			"bulkmode insert does not return array, reply is: %s",
+			pWrkrData->reply);
+		ABORT_FINALIZE(RS_RET_DATAFAIL);
+	}
+
+	numitems = fjson_object_array_length(items);
+
+	int errors = 0;
+	if(fjson_object_object_get_ex(replyRoot, "errors", &jo_errors)) {
+		errors = fjson_object_get_boolean(jo_errors);
+		if (!errors && pWrkrData->pData->retryFailures) {
+			STATSCOUNTER_ADD(indexSuccess, mutIndexSuccess, numitems);
+			return RS_RET_OK;
+		}
+	}
+
+	if (reqmsg) {
+		DBGPRINTF("omelasticsearch: Entire request %s\n", reqmsg);
+	} else {
+		DBGPRINTF("omelasticsearch: Empty request\n");
+	}
+	const char *lastReqRead= (char*)reqmsg;
+
+	DBGPRINTF("omelasticsearch: %d items in reply\n", numitems);
+	for(i = 0 ; i < numitems ; ++i) {
+
+		fjson_object *item=NULL;
+		fjson_object *result=NULL;
+		fjson_object *ok=NULL;
+		int itemStatus=0;
+		item = fjson_object_array_get_idx(items, i);
+		if(item == NULL)  {
+			LogError(0, RS_RET_DATAFAIL,
+				"omelasticsearch: error in elasticsearch reply: "
+				"cannot obtain reply array item %d", i);
+			ABORT_FINALIZE(RS_RET_DATAFAIL);
+		}
+		fjson_object_object_get_ex(item, "create", &result);
+		if(result == NULL || !fjson_object_is_type(result, fjson_type_object)) {
+			fjson_object_object_get_ex(item, "index", &result);
+			if(result == NULL || !fjson_object_is_type(result, fjson_type_object)) {
+				LogError(0, RS_RET_DATAFAIL,
+					"omelasticsearch: error in elasticsearch reply: "
+					"cannot obtain 'result' item for #%d", i);
+				ABORT_FINALIZE(RS_RET_DATAFAIL);
+			}
+		}
+
+		fjson_object_object_get_ex(result, "status", &ok);
+		itemStatus = checkReplyStatus(ok);
+
+		char *request =0;
+		char *response =0;
+		if(ctx->statusCheckOnly || (NULL == lastReqRead)) {
+			if(itemStatus) {
+				DBGPRINTF("omelasticsearch: error in elasticsearch reply: item %d, "
+					"status is %d\n", i, fjson_object_get_int(ok));
+				DBGPRINTF("omelasticsearch: status check found error.\n");
+				ABORT_FINALIZE(RS_RET_DATAFAIL);
+			}
+
+		} else {
+			if(getSingleRequest(lastReqRead,&request,&lastReqRead) != RS_RET_OK) {
+				DBGPRINTF("omelasticsearch: Couldn't get post request\n");
+				ABORT_FINALIZE(RS_RET_ERR);
+			}
+			response = (char*)fjson_object_to_json_string_ext(result, FJSON_TO_STRING_PLAIN);
+
+			if(response==NULL) {
+				free(request);/*as its has been assigned.*/
+				DBGPRINTF("omelasticsearch: Error getting fjson_object_to_string_ext. Cannot "
+					"continue\n");
+				ABORT_FINALIZE(RS_RET_ERR);
+			}
+
+			/*call the context*/
+			rsRetVal ret = ctx->prepareErrorFileContent(ctx, itemStatus, request,
+					response, item, result, ok);
+
+			/*free memory in any case*/
+			free(request);
+
+			if(ret != RS_RET_OK) {
+				DBGPRINTF("omelasticsearch: Error in preparing errorfileContent. Cannot continue\n");
+				ABORT_FINALIZE(RS_RET_ERR);
+			}
+		}
+	}
+
+finalize_it:
+	RETiRet;
+}
+
+/*
+ * Dumps only failed requests of bulk insert
+ */
+static rsRetVal
+getDataErrorOnly(context *ctx,int itemStatus,char *request,char *response,
+		fjson_object *response_item, fjson_object *response_body, fjson_object *status)
+{
+	DEFiRet;
+	(void)response_item; /* unused */
+	(void)response_body; /* unused */
+	(void)status; /* unused */
+	if(itemStatus) {
+		fjson_object *onlyErrorResponses =NULL;
+		fjson_object *onlyErrorRequests=NULL;
+
+		if(!fjson_object_object_get_ex(ctx->errRoot, "reply", &onlyErrorResponses)) {
+			DBGPRINTF("omelasticsearch: Failed to get reply json array. Invalid context. Cannot "
+				"continue\n");
+			ABORT_FINALIZE(RS_RET_ERR);
+		}
+		fjson_object_array_add(onlyErrorResponses, fjson_object_new_string(response));
+
+		if(!fjson_object_object_get_ex(ctx->errRoot, "request", &onlyErrorRequests)) {
+			DBGPRINTF("omelasticsearch: Failed to get request json array. Invalid context. Cannot "
+				"continue\n");
+			ABORT_FINALIZE(RS_RET_ERR);
+		}
+
+		fjson_object_array_add(onlyErrorRequests, fjson_object_new_string(request));
+
+	}
+
+finalize_it:
+	RETiRet;
+}
+
+/*
+ * Dumps all requests of bulk insert interleaved with request and response
+ */
+
+static rsRetVal
+getDataInterleaved(context *ctx,
+	int __attribute__((unused)) itemStatus,
+	char *request,
+	char *response,
+	fjson_object *response_item,
+	fjson_object *response_body,
+	fjson_object *status
+)
+{
+	DEFiRet;
+	(void)response_item; /* unused */
+	(void)response_body; /* unused */
+	(void)status; /* unused */
+	fjson_object *interleaved =NULL;
+	if(!fjson_object_object_get_ex(ctx->errRoot, "response", &interleaved)) {
+		DBGPRINTF("omelasticsearch: Failed to get response json array. Invalid context. Cannot continue\n");
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+
+	fjson_object *interleavedNode=NULL;
+	/*create interleaved node that has req and response json data*/
+	if((interleavedNode=fjson_object_new_object()) == NULL)
+	{
+		DBGPRINTF("omelasticsearch: Failed to create interleaved node. Cann't continue\n");
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+	fjson_object_object_add(interleavedNode,"request", fjson_object_new_string(request));
+	fjson_object_object_add(interleavedNode,"reply", fjson_object_new_string(response));
+
+	fjson_object_array_add(interleaved, interleavedNode);
+
+
+
+	finalize_it:
+		RETiRet;
+}
+
+
+/*
+ * Dumps only failed requests of bulk insert interleaved with request and response
+ */
+
+static rsRetVal
+getDataErrorOnlyInterleaved(context *ctx,int itemStatus,char *request,char *response,
+		fjson_object *response_item, fjson_object *response_body, fjson_object *status)
+{
+	DEFiRet;
+	if (itemStatus) {
+		if(getDataInterleaved(ctx, itemStatus,request,response,
+				response_item, response_body, status)!= RS_RET_OK) {
+			ABORT_FINALIZE(RS_RET_ERR);
+		}
+	}
+
+	finalize_it:
+		RETiRet;
+}
+
+/* input JSON looks like this:
+ * {"someoperation":{"field1":"value1","field2":{.....}}}
+ * output looks like this:
+ * {"writeoperation":"someoperation","field1":"value1","field2":{.....}}
+ */
+static rsRetVal
+formatBulkReqOrResp(fjson_object *jo_input, fjson_object *jo_output)
+{
+	DEFiRet;
+	fjson_object *jo = NULL;
+	struct json_object_iterator it = json_object_iter_begin(jo_input);
+	struct json_object_iterator itEnd = json_object_iter_end(jo_input);
+
+	/* set the writeoperation if not already set */
+	if (!fjson_object_object_get_ex(jo_output, "writeoperation", NULL)) {
+		const char *optype = NULL;
+		if (!json_object_iter_equal(&it, &itEnd))
+			optype = json_object_iter_peek_name(&it);
+		if (optype) {
+			jo = json_object_new_string(optype);
+		} else {
+			jo = json_object_new_string("unknown");
+		}
+		CHKmalloc(jo);
+		json_object_object_add(jo_output, "writeoperation", jo);
+	}
+	if (!json_object_iter_equal(&it, &itEnd)) {
+		/* now iterate the operation object */
+		jo = json_object_iter_peek_value(&it);
+		it = json_object_iter_begin(jo);
+		itEnd = json_object_iter_end(jo);
+		while (!json_object_iter_equal(&it, &itEnd)) {
+			const char *name = json_object_iter_peek_name(&it);
+			/* do not overwrite existing fields */
+			if (!fjson_object_object_get_ex(jo_output, name, NULL)) {
+				json_object_object_add(jo_output, name,
+						json_object_get(json_object_iter_peek_value(&it)));
+			}
+			json_object_iter_next(&it);
+		}
+	}
+finalize_it:
+	RETiRet;
+}
+
+/* request string looks like this (other fields are "_parent" and "pipeline")
+ * "{\"create\":{\"_index\": \"rsyslog_testbench\",\"_type\":\"test-type\",
+ *   \"_id\":\"FAEAFC0D17C847DA8BD6F47BC5B3800A\"}}\n
+ * {\"msgnum\":\"x00000000\",\"viaq_msg_id\":\"FAEAFC0D17C847DA8BD6F47BC5B3800A\"}\n"
+ * store the metadata header fields in the metadata object
+ * start = first \n + 1
+ * end = last \n
+ */
+static rsRetVal
+createMsgFromRequest(const char *request, context *ctx, smsg_t **msg, fjson_object *omes)
+{
+	DEFiRet;
+	fjson_object *jo_msg = NULL, *jo_metadata = NULL, *jo_request = NULL;
+	const char *datastart, *dataend;
+	size_t datalen;
+	enum json_tokener_error json_error;
+
+	*msg = NULL;
+	if (!(datastart = strchr(request, '\n')) || (datastart[1] != '{')) {
+		LogError(0, RS_RET_ERR,
+			"omelasticsearch: malformed original request - "
+			"could not find start of original data [%s]",
+			request);
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+	datalen = datastart - request;
+	json_tokener_reset(ctx->jTokener);
+	jo_metadata = json_tokener_parse_ex(ctx->jTokener, request, datalen);
+	json_error = fjson_tokener_get_error(ctx->jTokener);
+	if (!jo_metadata || (json_error != fjson_tokener_success)) {
+		LogError(0, RS_RET_ERR,
+			"omelasticsearch: parse error [%s] - could not convert original "
+			"request metadata header JSON back into JSON object [%s]",
+			fjson_tokener_error_desc(json_error), request);
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+	CHKiRet(formatBulkReqOrResp(jo_metadata, omes));
+
+	datastart++; /* advance to '{' */
+	if (!(dataend = strchr(datastart, '\n')) || (dataend[1] != '\0')) {
+		LogError(0, RS_RET_ERR,
+			"omelasticsearch: malformed original request - "
+			"could not find end of original data [%s]",
+			request);
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+	datalen = dataend - datastart;
+	json_tokener_reset(ctx->jTokener);
+	jo_request = json_tokener_parse_ex(ctx->jTokener, datastart, datalen);
+	json_error = fjson_tokener_get_error(ctx->jTokener);
+	if (!jo_request || (json_error != fjson_tokener_success)) {
+		LogError(0, RS_RET_ERR,
+			"omelasticsearch: parse error [%s] - could not convert original "
+			"request JSON back into JSON object [%s]",
+			fjson_tokener_error_desc(json_error), request);
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+
+	CHKiRet(msgConstruct(msg));
+	MsgSetFlowControlType(*msg, eFLOWCTL_FULL_DELAY);
+	MsgSetInputName(*msg, pInputName);
+	if (fjson_object_object_get_ex(jo_request, "message", &jo_msg)) {
+		const char *rawmsg = json_object_get_string(jo_msg);
+		const size_t msgLen = (size_t)json_object_get_string_len(jo_msg);
+		MsgSetRawMsg(*msg, rawmsg, msgLen);
+	} else {
+		/* use entire data part of request as rawmsg */
+		MsgSetRawMsg(*msg, datastart, datalen);
+	}
+	MsgSetMSGoffs(*msg, 0);	/* we do not have a header... */
+	MsgSetTAG(*msg, (const uchar *)"omes", 4);
+	CHKiRet(msgAddJSON(*msg, (uchar*)"!", jo_request, 0, 0));
+
+finalize_it:
+	if (jo_metadata)
+		json_object_put(jo_metadata);
+	RETiRet;
+}
+
+
+static rsRetVal
+getDataRetryFailures(context *ctx,int itemStatus,char *request,char *response,
+		fjson_object *response_item, fjson_object *response_body, fjson_object *status)
+{
+	DEFiRet;
+	fjson_object *omes = NULL, *jo = NULL;
+	int istatus = fjson_object_get_int(status);
+	int iscreateop = 0;
+	const char *optype = NULL;
+	smsg_t *msg = NULL;
+	int need_free_omes = 0;
+
+	(void)response;
+	(void)itemStatus;
+	(void)response_body;
+	CHKmalloc(omes = json_object_new_object());
+	need_free_omes = 1;
+	/* this adds metadata header fields to omes */
+	if (RS_RET_OK != (iRet = createMsgFromRequest(request, ctx, &msg, omes))) {
+		if (iRet != RS_RET_OUT_OF_MEMORY) {
+			STATSCOUNTER_INC(indexBadResponse, mutIndexBadResponse);
+		} else {
+			ABORT_FINALIZE(iRet);
+		}
+	}
+	CHKmalloc(msg);
+	/* this adds response fields as local variables to omes */
+	if (RS_RET_OK != (iRet = formatBulkReqOrResp(response_item, omes))) {
+		if (iRet != RS_RET_OUT_OF_MEMORY) {
+			STATSCOUNTER_INC(indexBadResponse, mutIndexBadResponse);
+		} else {
+			ABORT_FINALIZE(iRet);
+		}
+	}
+	if (fjson_object_object_get_ex(omes, "writeoperation", &jo)) {
+		optype = json_object_get_string(jo);
+		if (optype && !strcmp("create", optype))
+			iscreateop = 1;
+		if (optype && !strcmp("index", optype) && (ctx->writeOperation == ES_WRITE_INDEX))
+			iscreateop = 1;
+	}
+
+	if (!optype) {
+		STATSCOUNTER_INC(indexBadResponse, mutIndexBadResponse);
+		LogMsg(0, RS_RET_ERR, LOG_INFO,
+			"omelasticsearch: no recognized operation type in response [%s]",
+			response);
+	} else if ((istatus == 200) || (istatus == 201)) {
+		STATSCOUNTER_INC(indexSuccess, mutIndexSuccess);
+	} else if ((istatus == 409) && iscreateop) {
+		STATSCOUNTER_INC(indexDuplicate, mutIndexDuplicate);
+	} else if ((istatus == 400) || (istatus < 200)) {
+		STATSCOUNTER_INC(indexBadArgument, mutIndexBadArgument);
+	} else {
+		fjson_object *error = NULL, *errtype = NULL;
+		if(fjson_object_object_get_ex(omes, "error", &error) &&
+		   fjson_object_object_get_ex(error, "type", &errtype)) {
+			if (istatus == 429) {
+				STATSCOUNTER_INC(indexBulkRejection, mutIndexBulkRejection);
+			} else {
+				STATSCOUNTER_INC(indexOtherResponse, mutIndexOtherResponse);
+			}
+		} else {
+			STATSCOUNTER_INC(indexBadResponse, mutIndexBadResponse);
+			LogMsg(0, RS_RET_ERR, LOG_INFO,
+				"omelasticsearch: unexpected error response [%s]",
+				response);
+		}
+	}
+
+	need_free_omes = 0;
+	CHKiRet(msgAddJSON(msg, (uchar*)".omes", omes, 0, 0));
+	MsgSetRuleset(msg, ctx->retryRuleset);
+	CHKiRet(ratelimitAddMsg(ctx->ratelimiter, NULL, msg));
+finalize_it:
+	if (need_free_omes)
+		json_object_put(omes);
+	RETiRet;
+}
+
+/*
+ * get erroronly context
+ */
+static rsRetVal
+initializeErrorOnlyConext(wrkrInstanceData_t *pWrkrData,context *ctx){
+	DEFiRet;
+	ctx->statusCheckOnly=0;
+	fjson_object *errRoot=NULL;
+	fjson_object *onlyErrorResponses =NULL;
+	fjson_object *onlyErrorRequests=NULL;
+	if((errRoot=fjson_object_new_object()) == NULL) ABORT_FINALIZE(RS_RET_ERR);
+
+	if((onlyErrorResponses=fjson_object_new_array()) == NULL) {
+		fjson_object_put(errRoot);
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+	if((onlyErrorRequests=fjson_object_new_array()) == NULL) {
+		fjson_object_put(errRoot);
+		fjson_object_put(onlyErrorResponses);
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+
+	fjson_object_object_add(errRoot, "url", fjson_object_new_string((char*)pWrkrData->restURL));
+	fjson_object_object_add(errRoot,"request",onlyErrorRequests);
+	fjson_object_object_add(errRoot, "reply", onlyErrorResponses);
+	ctx->errRoot = errRoot;
+	ctx->prepareErrorFileContent= &getDataErrorOnly;
+	finalize_it:
+		RETiRet;
+}
+
+/*
+ * get interleaved context
+ */
+static rsRetVal
+initializeInterleavedConext(wrkrInstanceData_t *pWrkrData,context *ctx){
+	DEFiRet;
+	ctx->statusCheckOnly=0;
+	fjson_object *errRoot=NULL;
+	fjson_object *interleaved =NULL;
+	if((errRoot=fjson_object_new_object()) == NULL) ABORT_FINALIZE(RS_RET_ERR);
+	if((interleaved=fjson_object_new_array()) == NULL) {
+		fjson_object_put(errRoot);
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+
+
+	fjson_object_object_add(errRoot, "url", fjson_object_new_string((char*)pWrkrData->restURL));
+	fjson_object_object_add(errRoot,"response",interleaved);
+	ctx->errRoot = errRoot;
+	ctx->prepareErrorFileContent= &getDataInterleaved;
+	finalize_it:
+		RETiRet;
+}
+
+/*get interleaved context*/
+static rsRetVal
+initializeErrorInterleavedConext(wrkrInstanceData_t *pWrkrData,context *ctx){
+	DEFiRet;
+	ctx->statusCheckOnly=0;
+	fjson_object *errRoot=NULL;
+	fjson_object *interleaved =NULL;
+	if((errRoot=fjson_object_new_object()) == NULL) ABORT_FINALIZE(RS_RET_ERR);
+	if((interleaved=fjson_object_new_array()) == NULL) {
+		fjson_object_put(errRoot);
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+
+
+	fjson_object_object_add(errRoot, "url", fjson_object_new_string((char*)pWrkrData->restURL));
+	fjson_object_object_add(errRoot,"response",interleaved);
+	ctx->errRoot = errRoot;
+	ctx->prepareErrorFileContent= &getDataErrorOnlyInterleaved;
+	finalize_it:
+		RETiRet;
+}
+
+/*get retry failures context*/
+static rsRetVal
+initializeRetryFailuresContext(wrkrInstanceData_t *pWrkrData,context *ctx){
+	DEFiRet;
+	ctx->statusCheckOnly=0;
+	fjson_object *errRoot=NULL;
+	if((errRoot=fjson_object_new_object()) == NULL) ABORT_FINALIZE(RS_RET_ERR);
+
+
+	fjson_object_object_add(errRoot, "url", fjson_object_new_string((char*)pWrkrData->restURL));
+	ctx->errRoot = errRoot;
+	ctx->prepareErrorFileContent= &getDataRetryFailures;
+	CHKmalloc(ctx->jTokener = json_tokener_new());
+	finalize_it:
+		RETiRet;
+}
+
+
+/* write data error request/replies to separate error file
+ * Note: we open the file but never close it before exit. If it
+ * needs to be closed, HUP must be sent.
+ */
+static rsRetVal ATTR_NONNULL()
+writeDataError(wrkrInstanceData_t *const pWrkrData,
+	instanceData *const pData, fjson_object **const pReplyRoot,
+	uchar *const reqmsg)
+{
+	char *rendered = NULL;
+	size_t toWrite;
+	ssize_t wrRet;
+	sbool bMutLocked = 0;
+	context ctx;
+	ctx.errRoot=0;
+	ctx.writeOperation = pWrkrData->pData->writeOperation;
+	ctx.ratelimiter = pWrkrData->pData->ratelimiter;
+	ctx.retryRuleset = pWrkrData->pData->retryRuleset;
+	ctx.jTokener = NULL;
+	DEFiRet;
+
+	if(pData->errorFile == NULL) {
+		DBGPRINTF("omelasticsearch: no local error logger defined - "
+		          "ignoring ES error information\n");
+		FINALIZE;
+	}
+
+	pthread_mutex_lock(&pData->mutErrFile);
+	bMutLocked = 1;
+
+	DBGPRINTF("omelasticsearch: error file mode: erroronly='%d' errorInterleaved='%d'\n",
+		pData->errorOnly, pData->interleaved);
+
+	if(pData->interleaved ==0 && pData->errorOnly ==0)/*default write*/
+	{
+		if(getDataErrorDefault(pWrkrData,pReplyRoot, reqmsg, &rendered) != RS_RET_OK) {
+			ABORT_FINALIZE(RS_RET_ERR);
+		}
+	} else {
+		/*get correct context.*/
+		if(pData->interleaved && pData->errorOnly)
+		{
+			if(initializeErrorInterleavedConext(pWrkrData, &ctx) != RS_RET_OK) {
+				DBGPRINTF("omelasticsearch: error initializing error interleaved context.\n");
+				ABORT_FINALIZE(RS_RET_ERR);
+			}
+
+		} else if(pData->errorOnly) {
+			if(initializeErrorOnlyConext(pWrkrData, &ctx) != RS_RET_OK) {
+
+				DBGPRINTF("omelasticsearch: error initializing error only context.\n");
+				ABORT_FINALIZE(RS_RET_ERR);
+			}
+		} else if(pData->interleaved) {
+			if(initializeInterleavedConext(pWrkrData, &ctx) != RS_RET_OK) {
+				DBGPRINTF("omelasticsearch: error initializing error interleaved context.\n");
+				ABORT_FINALIZE(RS_RET_ERR);
+			}
+		} else if(pData->retryFailures) {
+			if(initializeRetryFailuresContext(pWrkrData, &ctx) != RS_RET_OK) {
+				DBGPRINTF("omelasticsearch: error initializing retry failures context.\n");
+				ABORT_FINALIZE(RS_RET_ERR);
+			}
+		} else {
+			DBGPRINTF("omelasticsearch: None of the modes match file write. No data to write.\n");
+			ABORT_FINALIZE(RS_RET_ERR);
+		}
+
+		/*execute context*/
+		if(parseRequestAndResponseForContext(pWrkrData, pReplyRoot, reqmsg, &ctx)!= RS_RET_OK) {
+			DBGPRINTF("omelasticsearch: error creating file content.\n");
+			ABORT_FINALIZE(RS_RET_ERR);
+		}
+		CHKmalloc(rendered = strdup((char*)fjson_object_to_json_string(ctx.errRoot)));
+	}
+
+
+	if(pData->fdErrFile == -1) {
+		pData->fdErrFile = open((char*)pData->errorFile,
+					O_WRONLY|O_CREAT|O_APPEND|O_LARGEFILE|O_CLOEXEC,
+					S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP);
+		if(pData->fdErrFile == -1) {
+			LogError(errno, RS_RET_ERR, "omelasticsearch: error opening error file %s",
+				pData->errorFile);
+			ABORT_FINALIZE(RS_RET_ERR);
+		}
+	}
+
+	/* we do not do real error-handling on the err file, as this finally complicates
+	 * things way to much.
+	 */
+	DBGPRINTF("omelasticsearch: error record: '%s'\n", rendered);
+	toWrite = strlen(rendered) + 1;
+	/* Note: we overwrite the '\0' terminator with '\n' -- so we avoid
+	 * caling malloc() -- write() does NOT need '\0'!
+	 */
+	rendered[toWrite-1] = '\n'; /* NO LONGER A STRING! */
+	wrRet = write(pData->fdErrFile, rendered, toWrite);
+	if(wrRet != (ssize_t) toWrite) {
+		LogError(errno, RS_RET_IO_ERROR,
+			"omelasticsearch: error writing error file %s, write returned %lld",
+			pData->errorFile, (long long) wrRet);
+	}
+
+finalize_it:
+	if(bMutLocked)
+		pthread_mutex_unlock(&pData->mutErrFile);
+	free(rendered);
+	fjson_object_put(ctx.errRoot);
+	if (ctx.jTokener)
+		json_tokener_free(ctx.jTokener);
+	RETiRet;
+}
+
+
+static rsRetVal
+checkResultBulkmode(wrkrInstanceData_t *pWrkrData, fjson_object *root, uchar *reqmsg)
+{
+	DEFiRet;
+	context ctx;
+	ctx.errRoot = 0;
+	ctx.writeOperation = pWrkrData->pData->writeOperation;
+	ctx.ratelimiter = pWrkrData->pData->ratelimiter;
+	ctx.retryRuleset = pWrkrData->pData->retryRuleset;
+	ctx.statusCheckOnly=1;
+	ctx.jTokener = NULL;
+	if (pWrkrData->pData->retryFailures) {
+		ctx.statusCheckOnly=0;
+		CHKiRet(initializeRetryFailuresContext(pWrkrData, &ctx));
+	}
+	if(parseRequestAndResponseForContext(pWrkrData,&root,reqmsg,&ctx)!= RS_RET_OK) {
+		DBGPRINTF("omelasticsearch: error found in elasticsearch reply\n");
+		ABORT_FINALIZE(RS_RET_DATAFAIL);
+	}
+
+finalize_it:
+	fjson_object_put(ctx.errRoot);
+	if (ctx.jTokener)
+		json_tokener_free(ctx.jTokener);
+	RETiRet;
+}
+
+
+static rsRetVal
+checkResult(wrkrInstanceData_t *pWrkrData, uchar *reqmsg)
+{
+	fjson_object *root;
+	fjson_object *status;
+	DEFiRet;
+
+	root = fjson_tokener_parse(pWrkrData->reply);
+	if(root == NULL) {
+		LogMsg(0, RS_RET_ERR, LOG_WARNING,
+			"omelasticsearch: could not parse JSON result");
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+
+	if(pWrkrData->pData->bulkmode) {
+		iRet = checkResultBulkmode(pWrkrData, root, reqmsg);
+	} else {
+		if(fjson_object_object_get_ex(root, "status", &status)) {
+			iRet = RS_RET_DATAFAIL;
+		}
+	}
+
+	/* Note: we ignore errors writing the error file, as we cannot handle
+	 * these in any case.
+	 */
+	if(iRet == RS_RET_DATAFAIL) {
+		STATSCOUNTER_INC(indexESFail, mutIndexESFail);
+		writeDataError(pWrkrData, pWrkrData->pData, &root, reqmsg);
+		iRet = RS_RET_OK; /* we have handled the problem! */
+	}
+
+finalize_it:
+	if(root != NULL)
+		fjson_object_put(root);
+	if(iRet != RS_RET_OK) {
+		STATSCOUNTER_INC(indexESFail, mutIndexESFail);
+	}
+	RETiRet;
+}
+
+static void ATTR_NONNULL()
+initializeBatch(wrkrInstanceData_t *pWrkrData)
+{
+	es_emptyStr(pWrkrData->batch.data);
+	pWrkrData->batch.nmemb = 0;
+}
+
+static rsRetVal ATTR_NONNULL(1, 2)
+curlPost(wrkrInstanceData_t *pWrkrData, uchar *message, int msglen, uchar **tpls, const int nmsgs)
+{
+	CURLcode code;
+	CURL *const curl = pWrkrData->curlPostHandle;
+	char errbuf[CURL_ERROR_SIZE] = "";
+	DEFiRet;
+
+	PTR_ASSERT_SET_TYPE(pWrkrData, WRKR_DATA_TYPE_ES);
+
+	if ((pWrkrData->pData->rebindInterval > -1) &&
+		(pWrkrData->nOperations > pWrkrData->pData->rebindInterval)) {
+		curl_easy_setopt(curl, CURLOPT_FRESH_CONNECT, 1);
+		pWrkrData->nOperations = 0;
+		STATSCOUNTER_INC(rebinds, mutRebinds);
+	} else {
+		/* by default, reuse existing connections */
+		curl_easy_setopt(curl, CURLOPT_FRESH_CONNECT, 0);
+	}
+	if ((pWrkrData->pData->rebindInterval > -1) &&
+		(pWrkrData->nOperations == pWrkrData->pData->rebindInterval)) {
+		curl_easy_setopt(curl, CURLOPT_FORBID_REUSE, 1);
+	} else {
+		curl_easy_setopt(curl, CURLOPT_FORBID_REUSE, 0);
+	}
+
+	if(pWrkrData->pData->numServers > 1) {
+		/* needs to be called to support ES HA feature */
+		CHKiRet(checkConn(pWrkrData));
+	}
+	pWrkrData->replyLen = 0;
+	CHKiRet(setPostURL(pWrkrData, tpls));
+
+	curl_easy_setopt(curl, CURLOPT_POSTFIELDS, (char *)message);
+	curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, msglen);
+	curl_easy_setopt(curl, CURLOPT_ERRORBUFFER, errbuf);
+	code = curl_easy_perform(curl);
+	DBGPRINTF("curl returned %lld\n", (long long) code);
+	if (code != CURLE_OK && code != CURLE_HTTP_RETURNED_ERROR) {
+		STATSCOUNTER_INC(indexHTTPReqFail, mutIndexHTTPReqFail);
+		indexHTTPFail += nmsgs;
+		LogError(0, RS_RET_SUSPENDED,
+			"omelasticsearch: we are suspending ourselfs due "
+			"to server failure %lld: %s", (long long) code, errbuf);
+		ABORT_FINALIZE(RS_RET_SUSPENDED);
+	}
+
+	if (pWrkrData->pData->rebindInterval > -1)
+		pWrkrData->nOperations++;
+
+	if(pWrkrData->reply == NULL) {
+		DBGPRINTF("omelasticsearch: pWrkrData reply==NULL, replyLen = '%d'\n",
+			pWrkrData->replyLen);
+	} else {
+		DBGPRINTF("omelasticsearch: pWrkrData replyLen = '%d'\n", pWrkrData->replyLen);
+		if(pWrkrData->replyLen > 0) {
+			pWrkrData->reply[pWrkrData->replyLen] = '\0';
+			/* Append 0 Byte if replyLen is above 0 - byte has been reserved in malloc */
+		}
+		DBGPRINTF("omelasticsearch: pWrkrData reply: '%s'\n", pWrkrData->reply);
+		CHKiRet(checkResult(pWrkrData, message));
+	}
+
+finalize_it:
+	incrementServerIndex(pWrkrData);
+	RETiRet;
+}
+
+static rsRetVal
+submitBatch(wrkrInstanceData_t *pWrkrData)
+{
+	char *cstr = NULL;
+	DEFiRet;
+
+	cstr = es_str2cstr(pWrkrData->batch.data, NULL);
+	dbgprintf("omelasticsearch: submitBatch, batch: '%s'\n", cstr);
+
+	CHKiRet(curlPost(pWrkrData, (uchar*) cstr, strlen(cstr), NULL, pWrkrData->batch.nmemb));
+
+finalize_it:
+	free(cstr);
+	RETiRet;
+}
+
+BEGINbeginTransaction
+CODESTARTbeginTransaction
+	if(!pWrkrData->pData->bulkmode) {
+		FINALIZE;
+	}
+
+	initializeBatch(pWrkrData);
+finalize_it:
+ENDbeginTransaction
+
+BEGINdoAction
+CODESTARTdoAction
+	STATSCOUNTER_INC(indexSubmit, mutIndexSubmit);
+
+	if(pWrkrData->pData->bulkmode) {
+		const size_t nBytes = computeMessageSize(pWrkrData, ppString[0], ppString);
+
+		/* If max bytes is set and this next message will put us over the limit,
+		* submit the current buffer and reset */
+		if(pWrkrData->pData->maxbytes > 0
+			&& es_strlen(pWrkrData->batch.data) + nBytes > pWrkrData->pData->maxbytes ) {
+			dbgprintf("omelasticsearch: maxbytes limit reached, submitting partial "
+			"batch of %d elements.\n", pWrkrData->batch.nmemb);
+			CHKiRet(submitBatch(pWrkrData));
+			initializeBatch(pWrkrData);
+		}
+		CHKiRet(buildBatch(pWrkrData, ppString[0], ppString));
+
+		/* If there is only one item in the batch, all previous items have been
+	 	 * submitted or this is the first item for this transaction. Return previous
+		 * committed so that all items leading up to the current (exclusive)
+		 * are not replayed should a failure occur anywhere else in the transaction. */
+		iRet = pWrkrData->batch.nmemb == 1 ? RS_RET_PREVIOUS_COMMITTED : RS_RET_DEFER_COMMIT;
+	} else {
+		CHKiRet(curlPost(pWrkrData, ppString[0], strlen((char*)ppString[0]),
+		                 ppString, 1));
+	}
+finalize_it:
+ENDdoAction
+
+
+BEGINendTransaction
+CODESTARTendTransaction
+	/* End Transaction only if batch data is not empty */
+	if (pWrkrData->batch.data != NULL && pWrkrData->batch.nmemb > 0) {
+		CHKiRet(submitBatch(pWrkrData));
+	} else {
+		dbgprintf("omelasticsearch: endTransaction, pWrkrData->batch.data is NULL, "
+			"nothing to send. \n");
+	}
+finalize_it:
+ENDendTransaction
+
+static rsRetVal
+computeAuthHeader(char* uid, char* pwd, uchar** authBuf) {
+	int r;
+	DEFiRet;
+
+	es_str_t* auth = es_newStr(1024);
+	if (auth == NULL) {
+		LogError(0, RS_RET_OUT_OF_MEMORY,
+			"omelasticsearch: failed to allocate es_str auth for auth header construction");
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+
+	r = es_addBuf(&auth, uid, strlen(uid));
+	if(r == 0) r = es_addChar(&auth, ':');
+	if(r == 0 && pwd != NULL) r = es_addBuf(&auth, pwd, strlen(pwd));
+	if(r == 0) *authBuf = (uchar*) es_str2cstr(auth, NULL);
+
+	if (r != 0 || *authBuf == NULL) {
+		LogError(0, RS_RET_ERR, "omelasticsearch: failed to build auth header\n");
+		ABORT_FINALIZE(RS_RET_ERR);
+	}
+
+finalize_it:
+	if (auth != NULL)
+		es_deleteStr(auth);
+	RETiRet;
+}
+
+static void ATTR_NONNULL()
+curlSetupCommon(wrkrInstanceData_t *const pWrkrData, CURL *const handle)
+{
+	PTR_ASSERT_SET_TYPE(pWrkrData, WRKR_DATA_TYPE_ES);
+	curl_easy_setopt(handle, CURLOPT_HTTPHEADER, pWrkrData->curlHeader);
+	curl_easy_setopt(handle, CURLOPT_NOSIGNAL, TRUE);
+	curl_easy_setopt(handle, CURLOPT_WRITEFUNCTION, curlResult);
+	curl_easy_setopt(handle, CURLOPT_WRITEDATA, pWrkrData);
+	if(pWrkrData->pData->allowUnsignedCerts)
+		curl_easy_setopt(handle, CURLOPT_SSL_VERIFYPEER, FALSE);
+	if(pWrkrData->pData->skipVerifyHost)
+		curl_easy_setopt(handle, CURLOPT_SSL_VERIFYHOST, FALSE);
+	if(pWrkrData->pData->authBuf != NULL) {
+		curl_easy_setopt(handle, CURLOPT_USERPWD, pWrkrData->pData->authBuf);
+		curl_easy_setopt(handle, CURLOPT_PROXYAUTH, CURLAUTH_ANY);
+	}
+	if(pWrkrData->pData->caCertFile)
+		curl_easy_setopt(handle, CURLOPT_CAINFO, pWrkrData->pData->caCertFile);
+	if(pWrkrData->pData->myCertFile)
+		curl_easy_setopt(handle, CURLOPT_SSLCERT, pWrkrData->pData->myCertFile);
+	if(pWrkrData->pData->myPrivKeyFile)
+		curl_easy_setopt(handle, CURLOPT_SSLKEY, pWrkrData->pData->myPrivKeyFile);
+	/* uncomment for in-dept debuggung:
+	curl_easy_setopt(handle, CURLOPT_VERBOSE, TRUE); */
+}
+
+static void ATTR_NONNULL()
+curlCheckConnSetup(wrkrInstanceData_t *const pWrkrData)
+{
+	PTR_ASSERT_SET_TYPE(pWrkrData, WRKR_DATA_TYPE_ES);
+	curlSetupCommon(pWrkrData, pWrkrData->curlCheckConnHandle);
+	curl_easy_setopt(pWrkrData->curlCheckConnHandle,
+		CURLOPT_TIMEOUT_MS, pWrkrData->pData->healthCheckTimeout);
+}
+
+static void ATTR_NONNULL(1)
+curlPostSetup(wrkrInstanceData_t *const pWrkrData)
+{
+	PTR_ASSERT_SET_TYPE(pWrkrData, WRKR_DATA_TYPE_ES);
+	curlSetupCommon(pWrkrData, pWrkrData->curlPostHandle);
+	curl_easy_setopt(pWrkrData->curlPostHandle, CURLOPT_POST, 1);
+	curl_easy_setopt(pWrkrData->curlPostHandle,
+		CURLOPT_TIMEOUT_MS, pWrkrData->pData->indexTimeout);
+}
+
+#define CONTENT_JSON "Content-Type: application/json; charset=utf-8"
+
+static rsRetVal ATTR_NONNULL()
+curlSetup(wrkrInstanceData_t *const pWrkrData)
+{
+	DEFiRet;
+	pWrkrData->curlHeader = curl_slist_append(NULL, CONTENT_JSON);
+	CHKmalloc(pWrkrData->curlPostHandle = curl_easy_init());;
+	curlPostSetup(pWrkrData);
+
+	CHKmalloc(pWrkrData->curlCheckConnHandle = curl_easy_init());
+	curlCheckConnSetup(pWrkrData);
+
+finalize_it:
+	if(iRet != RS_RET_OK && pWrkrData->curlPostHandle != NULL) {
+		curl_easy_cleanup(pWrkrData->curlPostHandle);
+		pWrkrData->curlPostHandle = NULL;
+	}
+	RETiRet;
+}
+
+static void ATTR_NONNULL()
+setInstParamDefaults(instanceData *const pData)
+{
+	pData->serverBaseUrls = NULL;
+	pData->defaultPort = 9200;
+	pData->healthCheckTimeout = 3500;
+	pData->indexTimeout = 0;
+	pData->uid = NULL;
+	pData->pwd = NULL;
+	pData->authBuf = NULL;
+	pData->searchIndex = NULL;
+	pData->searchType = NULL;
+	pData->pipelineName = NULL;
+	pData->dynPipelineName = 0;
+	pData->skipPipelineIfEmpty = 0;
+	pData->parent = NULL;
+	pData->timeout = NULL;
+	pData->dynSrchIdx = 0;
+	pData->dynSrchType = 0;
+	pData->dynParent = 0;
+	pData->useHttps = 0;
+	pData->bulkmode = 0;
+	pData->maxbytes = 104857600; //100 MB Is the default max message size that ships with ElasticSearch
+	pData->allowUnsignedCerts = 0;
+	pData->skipVerifyHost = 0;
+	pData->tplName = NULL;
+	pData->errorFile = NULL;
+	pData->errorOnly=0;
+	pData->interleaved=0;
+	pData->dynBulkId= 0;
+	pData->bulkId = NULL;
+	pData->caCertFile = NULL;
+	pData->myCertFile = NULL;
+	pData->myPrivKeyFile = NULL;
+	pData->writeOperation = ES_WRITE_INDEX;
+	pData->retryFailures = 0;
+	pData->ratelimitBurst = 20000;
+	pData->ratelimitInterval = 600;
+	pData->ratelimiter = NULL;
+	pData->retryRulesetName = NULL;
+	pData->retryRuleset = NULL;
+	pData->rebindInterval = DEFAULT_REBIND_INTERVAL;
+}
+
+BEGINnewActInst
+	struct cnfparamvals *pvals;
+	char* serverParam = NULL;
+	struct cnfarray* servers = NULL;
+	int i;
+	int iNumTpls;
+	FILE *fp;
+	char errStr[1024];
+CODESTARTnewActInst
+	if((pvals = nvlstGetParams(lst, &actpblk, NULL)) == NULL) {
+		ABORT_FINALIZE(RS_RET_MISSING_CNFPARAMS);
+	}
+
+	CHKiRet(createInstance(&pData));
+	setInstParamDefaults(pData);
+
+	for(i = 0 ; i < actpblk.nParams ; ++i) {
+		if(!pvals[i].bUsed)
+			continue;
+		if(!strcmp(actpblk.descr[i].name, "server")) {
+			servers = pvals[i].val.d.ar;
+		} else if(!strcmp(actpblk.descr[i].name, "errorfile")) {
+			pData->errorFile = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+		} else if(!strcmp(actpblk.descr[i].name, "erroronly")) {
+			pData->errorOnly = pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "interleaved")) {
+			pData->interleaved = pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "serverport")) {
+			pData->defaultPort = (int) pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "healthchecktimeout")) {
+			pData->healthCheckTimeout = (long) pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "indextimeout")) {
+			pData->indexTimeout = (long) pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "uid")) {
+			pData->uid = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+		} else if(!strcmp(actpblk.descr[i].name, "pwd")) {
+			pData->pwd = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+		} else if(!strcmp(actpblk.descr[i].name, "searchindex")) {
+			pData->searchIndex = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+		} else if(!strcmp(actpblk.descr[i].name, "searchtype")) {
+			pData->searchType = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+		} else if(!strcmp(actpblk.descr[i].name, "pipelinename")) {
+			pData->pipelineName = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+		} else if(!strcmp(actpblk.descr[i].name, "dynpipelinename")) {
+			pData->dynPipelineName = pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "skippipelineifempty")) {
+			pData->skipPipelineIfEmpty = pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "parent")) {
+			pData->parent = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+		} else if(!strcmp(actpblk.descr[i].name, "dynsearchindex")) {
+			pData->dynSrchIdx = pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "dynsearchtype")) {
+			pData->dynSrchType = pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "dynparent")) {
+			pData->dynParent = pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "bulkmode")) {
+			pData->bulkmode = pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "maxbytes")) {
+			pData->maxbytes = (size_t) pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "allowunsignedcerts")) {
+			pData->allowUnsignedCerts = pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "skipverifyhost")) {
+			pData->skipVerifyHost = pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "timeout")) {
+			pData->timeout = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+		} else if(!strcmp(actpblk.descr[i].name, "usehttps")) {
+			pData->useHttps = pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "template")) {
+			pData->tplName = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+		} else if(!strcmp(actpblk.descr[i].name, "dynbulkid")) {
+			pData->dynBulkId = pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "bulkid")) {
+			pData->bulkId = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+		} else if(!strcmp(actpblk.descr[i].name, "tls.cacert")) {
+			pData->caCertFile = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+			fp = fopen((const char*)pData->caCertFile, "r");
+			if(fp == NULL) {
+				rs_strerror_r(errno, errStr, sizeof(errStr));
+				LogError(0, RS_RET_NO_FILE_ACCESS,
+						"error: 'tls.cacert' file %s couldn't be accessed: %s\n",
+						pData->caCertFile, errStr);
+			} else {
+				fclose(fp);
+			}
+		} else if(!strcmp(actpblk.descr[i].name, "tls.mycert")) {
+			pData->myCertFile = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+			fp = fopen((const char*)pData->myCertFile, "r");
+			if(fp == NULL) {
+				rs_strerror_r(errno, errStr, sizeof(errStr));
+				LogError(0, RS_RET_NO_FILE_ACCESS,
+						"error: 'tls.mycert' file %s couldn't be accessed: %s\n",
+						pData->myCertFile, errStr);
+			} else {
+				fclose(fp);
+			}
+		} else if(!strcmp(actpblk.descr[i].name, "tls.myprivkey")) {
+			pData->myPrivKeyFile = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+			fp = fopen((const char*)pData->myPrivKeyFile, "r");
+			if(fp == NULL) {
+				rs_strerror_r(errno, errStr, sizeof(errStr));
+				LogError(0, RS_RET_NO_FILE_ACCESS,
+						"error: 'tls.myprivkey' file %s couldn't be accessed: %s\n",
+						pData->myPrivKeyFile, errStr);
+			} else {
+				fclose(fp);
+			}
+		} else if(!strcmp(actpblk.descr[i].name, "writeoperation")) {
+			char *writeop = es_str2cstr(pvals[i].val.d.estr, NULL);
+			if (writeop && !strcmp(writeop, "create")) {
+				pData->writeOperation = ES_WRITE_CREATE;
+			} else if (writeop && !strcmp(writeop, "index")) {
+				pData->writeOperation = ES_WRITE_INDEX;
+			} else if (writeop) {
+				LogError(0, RS_RET_CONFIG_ERROR,
+					"omelasticsearch: invalid value '%s' for writeoperation: "
+					"must be one of 'index' or 'create' - using default value 'index'", writeop);
+				pData->writeOperation = ES_WRITE_INDEX;
+			}
+			free(writeop);
+		} else if(!strcmp(actpblk.descr[i].name, "retryfailures")) {
+			pData->retryFailures = pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "ratelimit.burst")) {
+			pData->ratelimitBurst = (unsigned int) pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "ratelimit.interval")) {
+			pData->ratelimitInterval = (unsigned int) pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "retryruleset")) {
+			pData->retryRulesetName = (uchar*)es_str2cstr(pvals[i].val.d.estr, NULL);
+		} else if(!strcmp(actpblk.descr[i].name, "rebindinterval")) {
+			pData->rebindInterval = (int) pvals[i].val.d.n;
+		} else if(!strcmp(actpblk.descr[i].name, "esversion.major")) {
+			pData->esVersion = pvals[i].val.d.n;
+		} else {
+			LogError(0, RS_RET_INTERNAL_ERROR, "omelasticsearch: program error, "
+				"non-handled param '%s'", actpblk.descr[i].name);
+		}
+	}
+
+	if(pData->pwd != NULL && pData->uid == NULL) {
+		LogError(0, RS_RET_UID_MISSING,
+			"omelasticsearch: password is provided, but no uid "
+			"- action definition invalid");
+		ABORT_FINALIZE(RS_RET_UID_MISSING);
+	}
+	if(pData->dynSrchIdx && pData->searchIndex == NULL) {
+		LogError(0, RS_RET_CONFIG_ERROR,
+			"omelasticsearch: requested dynamic search index, but no "
+			"name for index template given - action definition invalid");
+		ABORT_FINALIZE(RS_RET_CONFIG_ERROR);
+	}
+	if(pData->dynSrchType && pData->searchType == NULL) {
+		LogError(0, RS_RET_CONFIG_ERROR,
+			"omelasticsearch: requested dynamic search type, but no "
+			"name for type template given - action definition invalid");
+		ABORT_FINALIZE(RS_RET_CONFIG_ERROR);
+	}
+	if(pData->dynParent && pData->parent == NULL) {
+		LogError(0, RS_RET_CONFIG_ERROR,
+			"omelasticsearch: requested dynamic parent, but no "
+			"name for parent template given - action definition invalid");
+		ABORT_FINALIZE(RS_RET_CONFIG_ERROR);
+	}
+	if(pData->dynBulkId && pData->bulkId == NULL) {
+		LogError(0, RS_RET_CONFIG_ERROR,
+			"omelasticsearch: requested dynamic bulkid, but no "
+			"name for bulkid template given - action definition invalid");
+		ABORT_FINALIZE(RS_RET_CONFIG_ERROR);
+	}
+	if(pData->dynPipelineName && pData->pipelineName == NULL) {
+		LogError(0, RS_RET_CONFIG_ERROR,
+			"omelasticsearch: requested dynamic pipeline name, but no "
+			"name for pipelineName template given - action definition invalid");
+		ABORT_FINALIZE(RS_RET_CONFIG_ERROR);
+	}
+
+	if (pData->uid != NULL)
+		CHKiRet(computeAuthHeader((char*) pData->uid, (char*) pData->pwd, &pData->authBuf));
+
+	iNumTpls = 1;
+	if(pData->dynSrchIdx) ++iNumTpls;
+	if(pData->dynSrchType) ++iNumTpls;
+	if(pData->dynParent) ++iNumTpls;
+	if(pData->dynBulkId) ++iNumTpls;
+	if(pData->dynPipelineName) ++iNumTpls;
+	DBGPRINTF("omelasticsearch: requesting %d templates\n", iNumTpls);
+	CODE_STD_STRING_REQUESTnewActInst(iNumTpls)
+
+	CHKiRet(OMSRsetEntry(*ppOMSR, 0, (uchar*)strdup((pData->tplName == NULL) ?
+					    " StdJSONFmt" : (char*)pData->tplName),
+		OMSR_NO_RQD_TPL_OPTS));
+
+
+	/* we need to request additional templates. If we have a dynamic search index,
+	 * it will always be string 1. Type may be 1 or 2, depending on whether search
+	 * index is dynamic as well. Rule needs to be followed throughout the module.
+	 */
+	iNumTpls = 1;
+	if(pData->dynSrchIdx) {
+		CHKiRet(OMSRsetEntry(*ppOMSR, iNumTpls, ustrdup(pData->searchIndex),
+			OMSR_NO_RQD_TPL_OPTS));
+		++iNumTpls;
+	}
+	if(pData->dynSrchType) {
+		CHKiRet(OMSRsetEntry(*ppOMSR, iNumTpls, ustrdup(pData->searchType),
+			OMSR_NO_RQD_TPL_OPTS));
+		++iNumTpls;
+	}
+	if(pData->dynParent) {
+		CHKiRet(OMSRsetEntry(*ppOMSR, iNumTpls, ustrdup(pData->parent),
+			OMSR_NO_RQD_TPL_OPTS));
+		++iNumTpls;
+	}
+	if(pData->dynBulkId) {
+		CHKiRet(OMSRsetEntry(*ppOMSR, iNumTpls, ustrdup(pData->bulkId),
+			OMSR_NO_RQD_TPL_OPTS));
+		++iNumTpls;
+	}
+	if(pData->dynPipelineName) {
+		CHKiRet(OMSRsetEntry(*ppOMSR, iNumTpls, ustrdup(pData->pipelineName),
+			OMSR_NO_RQD_TPL_OPTS));
+		++iNumTpls;
+	}
+
+
+	if (servers != NULL) {
+		pData->numServers = servers->nmemb;
+		pData->serverBaseUrls = malloc(servers->nmemb * sizeof(uchar*));
+		if (pData->serverBaseUrls == NULL) {
+			LogError(0, RS_RET_ERR, "omelasticsearch: unable to allocate buffer "
+					"for ElasticSearch server configuration.");
+			ABORT_FINALIZE(RS_RET_ERR);
+		}
+
+		for(i = 0 ; i < servers->nmemb ; ++i) {
+			serverParam = es_str2cstr(servers->arr[i], NULL);
+			if (serverParam == NULL) {
+				LogError(0, RS_RET_ERR, "omelasticsearch: unable to allocate buffer "
+					"for ElasticSearch server configuration.");
+				ABORT_FINALIZE(RS_RET_ERR);
+			}
+			/* Remove a trailing slash if it exists */
+			const size_t serverParamLastChar = strlen(serverParam)-1;
+			if (serverParam[serverParamLastChar] == '/') {
+				serverParam[serverParamLastChar] = '\0';
+			}
+			CHKiRet(computeBaseUrl(serverParam, pData->defaultPort, pData->useHttps,
+				pData->serverBaseUrls + i));
+			free(serverParam);
+			serverParam = NULL;
+		}
+	} else {
+		LogMsg(0, RS_RET_OK, LOG_WARNING,
+			"omelasticsearch: No servers specified, using localhost");
+		pData->numServers = 1;
+		pData->serverBaseUrls = malloc(sizeof(uchar*));
+		if (pData->serverBaseUrls == NULL) {
+			LogError(0, RS_RET_ERR, "omelasticsearch: unable to allocate buffer "
+					"for ElasticSearch server configuration.");
+			ABORT_FINALIZE(RS_RET_ERR);
+		}
+		CHKiRet(computeBaseUrl("localhost", pData->defaultPort, pData->useHttps, pData->serverBaseUrls));
+	}
+
+	if(pData->esVersion < 8) {
+		if(pData->searchIndex == NULL)
+			pData->searchIndex = (uchar*) strdup("system");
+		if(pData->searchType == NULL)
+			pData->searchType = (uchar*) strdup("events");
+
+		if ((pData->writeOperation != ES_WRITE_INDEX) && (pData->bulkId == NULL)) {
+			LogError(0, RS_RET_CONFIG_ERROR,
+				"omelasticsearch: writeoperation '%d' requires bulkid", pData->writeOperation);
+			ABORT_FINALIZE(RS_RET_CONFIG_ERROR);
+		}
+	}
+
+	if (pData->retryFailures) {
+		CHKiRet(ratelimitNew(&pData->ratelimiter, "omelasticsearch", NULL));
+		ratelimitSetLinuxLike(pData->ratelimiter, pData->ratelimitInterval, pData->ratelimitBurst);
+		ratelimitSetNoTimeCache(pData->ratelimiter);
+	}
+
+	/* node created, let's add to list of instance configs for the module */
+	if(loadModConf->tail == NULL) {
+		loadModConf->tail = loadModConf->root = pData;
+	} else {
+		loadModConf->tail->next = pData;
+		loadModConf->tail = pData;
+	}
+
+CODE_STD_FINALIZERnewActInst
+	cnfparamvalsDestruct(pvals, &actpblk);
+	if (serverParam)
+		free(serverParam);
+ENDnewActInst
+
+
+BEGINbeginCnfLoad
+CODESTARTbeginCnfLoad
+	loadModConf = pModConf;
+	pModConf->pConf = pConf;
+	pModConf->root = pModConf->tail = NULL;
+ENDbeginCnfLoad
+
+
+BEGINendCnfLoad
+CODESTARTendCnfLoad
+	loadModConf = NULL; /* done loading */
+ENDendCnfLoad
+
+
+BEGINcheckCnf
+	instanceConf_t *inst;
+CODESTARTcheckCnf
+	for(inst = pModConf->root ; inst != NULL ; inst = inst->next) {
+		ruleset_t *pRuleset;
+		rsRetVal localRet;
+
+		if (inst->retryRulesetName) {
+			localRet = ruleset.GetRuleset(pModConf->pConf, &pRuleset, inst->retryRulesetName);
+			if(localRet == RS_RET_NOT_FOUND) {
+				LogError(0, localRet, "omelasticsearch: retryruleset '%s' not found - "
+						"no retry ruleset will be used", inst->retryRulesetName);
+			} else {
+				inst->retryRuleset = pRuleset;
+			}
+		}
+	}
+ENDcheckCnf
+
+
+BEGINactivateCnf
+CODESTARTactivateCnf
+ENDactivateCnf
+
+
+BEGINfreeCnf
+CODESTARTfreeCnf
+ENDfreeCnf
+
+
+BEGINdoHUP
+CODESTARTdoHUP
+	pthread_mutex_lock(&pData->mutErrFile);
+	if(pData->fdErrFile != -1) {
+		close(pData->fdErrFile);
+		pData->fdErrFile = -1;
+	}
+	pthread_mutex_unlock(&pData->mutErrFile);
+ENDdoHUP
+
+
+BEGINmodExit
+CODESTARTmodExit
+	if(pInputName != NULL)
+		prop.Destruct(&pInputName);
+	curl_global_cleanup();
+	statsobj.Destruct(&indexStats);
+	objRelease(statsobj, CORE_COMPONENT);
+	objRelease(prop, CORE_COMPONENT);
+	objRelease(ruleset, CORE_COMPONENT);
+ENDmodExit
+
+NO_LEGACY_CONF_parseSelectorAct
+
+BEGINqueryEtryPt
+CODESTARTqueryEtryPt
+CODEqueryEtryPt_STD_OMOD_QUERIES
+CODEqueryEtryPt_STD_OMOD8_QUERIES
+CODEqueryEtryPt_IsCompatibleWithFeature_IF_OMOD_QUERIES
+CODEqueryEtryPt_STD_CONF2_OMOD_QUERIES
+CODEqueryEtryPt_doHUP
+CODEqueryEtryPt_TXIF_OMOD_QUERIES /* we support the transactional interface! */
+CODEqueryEtryPt_STD_CONF2_QUERIES
+ENDqueryEtryPt
+
+
+BEGINmodInit()
+CODESTARTmodInit
+	*ipIFVersProvided = CURR_MOD_IF_VERSION; /* we only support the current interface specification */
+CODEmodInit_QueryRegCFSLineHdlr
+	CHKiRet(objUse(statsobj, CORE_COMPONENT));
+	CHKiRet(objUse(prop, CORE_COMPONENT));
+	CHKiRet(objUse(ruleset, CORE_COMPONENT));
+
+	if (curl_global_init(CURL_GLOBAL_ALL) != 0) {
+		LogError(0, RS_RET_OBJ_CREATION_FAILED, "CURL fail. -elasticsearch indexing disabled");
+		ABORT_FINALIZE(RS_RET_OBJ_CREATION_FAILED);
+	}
+
+	/* support statistics gathering */
+	CHKiRet(statsobj.Construct(&indexStats));
+	CHKiRet(statsobj.SetName(indexStats, (uchar *)"omelasticsearch"));
+	CHKiRet(statsobj.SetOrigin(indexStats, (uchar *)"omelasticsearch"));
+	STATSCOUNTER_INIT(indexSubmit, mutIndexSubmit);
+	CHKiRet(statsobj.AddCounter(indexStats, (uchar *)"submitted",
+		ctrType_IntCtr, CTR_FLAG_RESETTABLE, &indexSubmit));
+	STATSCOUNTER_INIT(indexHTTPFail, mutIndexHTTPFail);
+	CHKiRet(statsobj.AddCounter(indexStats, (uchar *)"failed.http",
+		ctrType_IntCtr, CTR_FLAG_RESETTABLE, &indexHTTPFail));
+	STATSCOUNTER_INIT(indexHTTPReqFail, mutIndexHTTPReqFail);
+	CHKiRet(statsobj.AddCounter(indexStats, (uchar *)"failed.httprequests",
+		ctrType_IntCtr, CTR_FLAG_RESETTABLE, &indexHTTPReqFail));
+	STATSCOUNTER_INIT(checkConnFail, mutCheckConnFail);
+	CHKiRet(statsobj.AddCounter(indexStats, (uchar *)"failed.checkConn",
+		ctrType_IntCtr, CTR_FLAG_RESETTABLE, &checkConnFail));
+	STATSCOUNTER_INIT(indexESFail, mutIndexESFail);
+	CHKiRet(statsobj.AddCounter(indexStats, (uchar *)"failed.es",
+		ctrType_IntCtr, CTR_FLAG_RESETTABLE, &indexESFail));
+	STATSCOUNTER_INIT(indexSuccess, mutIndexSuccess);
+	CHKiRet(statsobj.AddCounter(indexStats, (uchar *)"response.success",
+		ctrType_IntCtr, CTR_FLAG_RESETTABLE, &indexSuccess));
+	STATSCOUNTER_INIT(indexBadResponse, mutIndexBadResponse);
+	CHKiRet(statsobj.AddCounter(indexStats, (uchar *)"response.bad",
+		ctrType_IntCtr, CTR_FLAG_RESETTABLE, &indexBadResponse));
+	STATSCOUNTER_INIT(indexDuplicate, mutIndexDuplicate);
+	CHKiRet(statsobj.AddCounter(indexStats, (uchar *)"response.duplicate",
+		ctrType_IntCtr, CTR_FLAG_RESETTABLE, &indexDuplicate));
+	STATSCOUNTER_INIT(indexBadArgument, mutIndexBadArgument);
+	CHKiRet(statsobj.AddCounter(indexStats, (uchar *)"response.badargument",
+		ctrType_IntCtr, CTR_FLAG_RESETTABLE, &indexBadArgument));
+	STATSCOUNTER_INIT(indexBulkRejection, mutIndexBulkRejection);
+	CHKiRet(statsobj.AddCounter(indexStats, (uchar *)"response.bulkrejection",
+		ctrType_IntCtr, CTR_FLAG_RESETTABLE, &indexBulkRejection));
+	STATSCOUNTER_INIT(indexOtherResponse, mutIndexOtherResponse);
+	CHKiRet(statsobj.AddCounter(indexStats, (uchar *)"response.other",
+		ctrType_IntCtr, CTR_FLAG_RESETTABLE, &indexOtherResponse));
+	STATSCOUNTER_INIT(rebinds, mutRebinds);
+	CHKiRet(statsobj.AddCounter(indexStats, (uchar *)"rebinds",
+		ctrType_IntCtr, CTR_FLAG_RESETTABLE, &rebinds));
+	CHKiRet(statsobj.ConstructFinalize(indexStats));
+	CHKiRet(prop.Construct(&pInputName));
+	CHKiRet(prop.SetString(pInputName, UCHAR_CONSTANT("omelasticsearch"), sizeof("omelasticsearch") - 1));
+	CHKiRet(prop.ConstructFinalize(pInputName));
+ENDmodInit
+
+/* vi:set ai:
+ */