Adding upstream version 1.0.12.upstream/1.0.12upstream

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

1 files changed, 416 insertions, 0 deletions

diff --git a/lib/plugins/lrm/raexechb.c b/lib/plugins/lrm/raexechb.c
new file mode 100644
index 0000000..f9f1eb9
--- /dev/null
+++ b/lib/plugins/lrm/raexechb.c
@@ -0,0 +1,416 @@
+/* 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * File: raexechb.c
+ * Author: Sun Jiang Dong <sunjd@cn.ibm.com>
+ * Copyright (c) 2004 International Business Machines
+ *
+ * This code implements the Resource Agent Plugin Module for LSB style.
+ * It's a part of Local Resource Manager. Currently it's used by lrmd only.
+ */
+
+#include <lha_internal.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <dirent.h>
+#include <libgen.h>
+#include <glib.h>
+#include <clplumbing/cl_log.h>
+#include <pils/plugin.h>
+#include <lrm/raexec.h>
+
+#define PIL_PLUGINTYPE		RA_EXEC_TYPE
+#define PIL_PLUGIN		heartbeat
+#define PIL_PLUGINTYPE_S	"RAExec"
+#define PIL_PLUGIN_S		"heartbeat"
+#define PIL_PLUGINLICENSE	LICENSE_PUBDOM
+#define PIL_PLUGINLICENSEURL	URL_PUBDOM
+
+static const char * RA_PATH = HB_RA_DIR;
+
+static const char meta_data_template[] =
+"<?xml version=\"1.0\"?>\n"
+"<!DOCTYPE resource-agent SYSTEM \"ra-api-1.dtd\">\n"
+"<resource-agent name=\"%s\">\n"
+"<version>1.0</version>\n"
+"<longdesc lang=\"en\">\n"
+"%s"
+"</longdesc>\n"
+"<shortdesc lang=\"en\">%s</shortdesc>\n"
+"<parameters>\n"
+"<parameter name=\"1\" unique=\"1\" required=\"0\">\n"
+"<longdesc lang=\"en\">\n"
+"This argument will be passed as the first argument to the "
+"heartbeat resource agent (assuming it supports one)\n"
+"</longdesc>\n"
+"<shortdesc lang=\"en\">argv[1]</shortdesc>\n"
+"<content type=\"string\" default=\" \" />\n"
+"</parameter>\n"
+"<parameter name=\"2\" unique=\"1\" required=\"0\">\n"
+"<longdesc lang=\"en\">\n"
+"This argument will be passed as the second argument to the "
+"heartbeat resource agent (assuming it supports one)\n"
+"</longdesc>\n"
+"<shortdesc lang=\"en\">argv[2]</shortdesc>\n"
+"<content type=\"string\" default=\" \" />\n"
+"</parameter>\n"
+"<parameter name=\"3\" unique=\"1\" required=\"0\">\n"
+"<longdesc lang=\"en\">\n"
+"This argument will be passed as the third argument to the "
+"heartbeat resource agent (assuming it supports one)\n"
+"</longdesc>\n"
+"<shortdesc lang=\"en\">argv[3]</shortdesc>\n"
+"<content type=\"string\" default=\" \" />\n"
+"</parameter>\n"
+"<parameter name=\"4\" unique=\"1\" required=\"0\">\n"
+"<longdesc lang=\"en\">\n"
+"This argument will be passed as the fourth argument to the "
+"heartbeat resource agent (assuming it supports one)\n"
+"</longdesc>\n"
+"<shortdesc lang=\"en\">argv[4]</shortdesc>\n"
+"<content type=\"string\" default=\" \" />\n"
+"</parameter>\n"
+"<parameter name=\"5\" unique=\"1\" required=\"0\">\n"
+"<longdesc lang=\"en\">\n"
+"This argument will be passed as the fifth argument to the "
+"heartbeat resource agent (assuming it supports one)\n"
+"</longdesc>\n"
+"<shortdesc lang=\"en\">argv[5]</shortdesc>\n"
+"<content type=\"string\" default=\" \" />\n"
+"</parameter>\n"
+"</parameters>\n"
+"<actions>\n"
+"<action name=\"start\"   timeout=\"15\" />\n"
+"<action name=\"stop\"    timeout=\"15\" />\n"
+"<action name=\"status\"  timeout=\"15\" />\n"
+"<action name=\"monitor\" timeout=\"15\" interval=\"15\" start-delay=\"15\" />\n"
+"<action name=\"meta-data\"  timeout=\"5\" />\n"
+"</actions>\n"
+"<special tag=\"heartbeart\">\n"
+"</special>\n"
+"</resource-agent>\n";
+
+/* The begin of exported function list */
+static int execra(const char * rsc_id,
+		  const char * rsc_type,
+		  const char * provider,
+		  const char * op_type,
+		  const int    timeout,
+	 	  GHashTable * params);
+
+static uniform_ret_execra_t map_ra_retvalue(int ret_execra
+	, const char * op_type, const char * std_output);
+static int get_resource_list(GList ** rsc_info);
+static char* get_resource_meta(const char* rsc_type,  const char* provider);
+static int get_provider_list(const char* ra_type, GList ** providers);
+
+/* The end of exported function list */
+ 
+/* The begin of internal used function & data list */
+#define MAX_PARAMETER_NUM 40
+typedef char * RA_ARGV[MAX_PARAMETER_NUM];
+
+static const int MAX_LENGTH_OF_RSCNAME = 40,
+		 MAX_LENGTH_OF_OPNAME = 40;
+
+static int prepare_cmd_parameters(const char * rsc_type, const char * op_type,
+		GHashTable * params, RA_ARGV params_argv);
+/* The end of internal function & data list */
+
+/* Rource agent execution plugin operations */
+static struct RAExecOps raops =
+{	execra,
+	map_ra_retvalue,
+	get_resource_list,
+	get_provider_list,
+	get_resource_meta
+};
+
+PIL_PLUGIN_BOILERPLATE2("1.0", Debug)
+
+static const PILPluginImports*  PluginImports;
+static PILPlugin*               OurPlugin;
+static PILInterface*		OurInterface;
+static void*			OurImports;
+static void*			interfprivate;
+static int			idebuglevel = 0;
+
+/*
+ * Our plugin initialization and registration function
+ * It gets called when the plugin gets loaded.
+ */
+PIL_rc
+PIL_PLUGIN_INIT(PILPlugin * us, const PILPluginImports* imports);
+
+PIL_rc
+PIL_PLUGIN_INIT(PILPlugin * us, const PILPluginImports* imports)
+{
+	/* Force the compiler to do a little type checking */
+	(void)(PILPluginInitFun)PIL_PLUGIN_INIT;
+
+	PluginImports = imports;
+	OurPlugin = us;
+
+	/* Register ourself as a plugin */
+	imports->register_plugin(us, &OurPIExports);  
+
+	if (getenv(HADEBUGVAL) != NULL && atoi(getenv(HADEBUGVAL)) > 0 ) {
+		idebuglevel = atoi(getenv(HADEBUGVAL));
+		cl_log(LOG_DEBUG, "LRM debug level set to %d", idebuglevel);
+	}
+
+	/*  Register our interfaces */
+ 	return imports->register_interface(us, PIL_PLUGINTYPE_S,  PIL_PLUGIN_S,
+		&raops, NULL, &OurInterface, &OurImports,
+		interfprivate); 
+}
+
+/*
+ *	Real work starts here ;-)
+ */
+
+static int 
+execra( const char * rsc_id, const char * rsc_type, const char * provider,
+	const char * op_type, const int timeout, GHashTable * params)
+{
+	RA_ARGV params_argv;
+	char ra_pathname[RA_MAX_NAME_LENGTH];
+	uniform_ret_execra_t exit_value;
+	GString * debug_info;
+	char * optype_tmp = NULL;
+	int index_tmp = 0;
+
+	/* How to generate the meta-data? There is nearly no value
+	 * information in meta-data build up in current way. 
+	 * Should directly add meta-data to the script itself?
+	 */
+	if ( 0 == STRNCMP_CONST(op_type, "meta-data") ) {
+		printf("%s", get_resource_meta(rsc_type, provider));
+		exit(0);
+	}
+
+	/* To simulate the 'monitor' operation with 'status'.
+	 * Now suppose there is no 'monitor' operation for heartbeat scripts.
+	 */
+	if ( 0 == STRNCMP_CONST(op_type, "monitor") ) {
+		optype_tmp = g_strdup("status");
+	} else {
+		optype_tmp = g_strdup(op_type);
+	}
+
+	/* Prepare the call parameter */
+	if (0 > prepare_cmd_parameters(rsc_type, optype_tmp, params, params_argv)) {
+		cl_log(LOG_ERR, "HB RA: Error of preparing parameters");
+		g_free(optype_tmp);
+		return -1;
+	}
+	g_free(optype_tmp);
+
+	get_ra_pathname(RA_PATH, rsc_type, NULL, ra_pathname);
+
+	/* let this log show only high loglevel. */
+	if (idebuglevel  > 1) {
+		debug_info = g_string_new("");
+		do {
+			g_string_append(debug_info, params_argv[index_tmp]);
+			g_string_append(debug_info, " ");
+		} while (params_argv[++index_tmp] != NULL);
+		debug_info->str[debug_info->len-1] = '\0';
+
+		cl_log(LOG_DEBUG, "RA instance %s executing: heartbeat::%s"
+			, rsc_id, debug_info->str);
+
+		g_string_free(debug_info, TRUE);
+	} 
+
+	closefiles(); /* don't leak open files */
+	execv(ra_pathname, params_argv);
+	cl_perror("(%s:%s:%d) execv failed for %s"
+		  , __FILE__, __FUNCTION__, __LINE__, ra_pathname);
+
+	switch (errno) {
+		case ENOENT:   /* No such file or directory */
+		case EISDIR:   /* Is a directory */
+			exit_value = EXECRA_NOT_INSTALLED;
+			break;
+		default:
+			exit_value = EXECRA_EXEC_UNKNOWN_ERROR;
+        }
+        exit(exit_value);
+}
+
+static int 
+prepare_cmd_parameters(const char * rsc_type, const char * op_type,
+	GHashTable * params_ht, RA_ARGV params_argv)
+{
+	int tmp_len, index;
+	int ht_size = 0;
+	int param_num = 0;
+	char buf_tmp[20];
+	void * value_tmp;
+
+	if (params_ht) {
+		ht_size = g_hash_table_size(params_ht);
+	}
+	if ( ht_size+3 > MAX_PARAMETER_NUM ) {
+		cl_log(LOG_ERR, "Too many parameters");
+		return -1;
+	}
+                                                                                        
+	/* Now suppose the parameter format stored in Hashtabe is as like as
+	 * key="1", value="-Wl,soname=test"
+	 * Moreover, the key is supposed as a string transfered from an integer.
+	 * It may be changed in the future.
+	 */
+	/* Notice: if ht_size==0, no actual arguments except op_type */
+	for (index = 1; index <= ht_size; index++ ) {
+		snprintf(buf_tmp, sizeof(buf_tmp), "%d", index);
+		value_tmp = g_hash_table_lookup(params_ht, buf_tmp);
+		/* suppose the key is consecutive */
+		if ( value_tmp == NULL ) {
+/*			cl_log(LOG_WARNING, "Parameter ordering error in"\
+				"prepare_cmd_parameters, raexeclsb.c");
+			cl_log(LOG_WARNING, "search key=%s.", buf_tmp);
+*/			continue;
+                }
+		param_num ++;
+		params_argv[param_num] = g_strdup((char *)value_tmp);
+	}
+
+	tmp_len = strnlen(rsc_type, MAX_LENGTH_OF_RSCNAME);
+	params_argv[0] = g_strndup(rsc_type, tmp_len);
+	/* Add operation code as the last argument */
+	tmp_len = strnlen(op_type, MAX_LENGTH_OF_OPNAME);
+	params_argv[param_num+1] = g_strndup(op_type, tmp_len);
+	/* Add the teminating NULL pointer */
+	params_argv[param_num+2] = NULL;
+	return 0;
+}
+
+static uniform_ret_execra_t 
+map_ra_retvalue(int ret_execra, const char * op_type, const char * std_output)
+{
+
+	/* Now there is no formal related specification for Heartbeat RA 
+	 * scripts. Temporarily deal as LSB init script.
+	 */
+	/* Except op_type equals 'status', the UNIFORM_RET_EXECRA is compatible
+	   with LSB standard.
+	*/
+	const char * stop_pattern1 = "*stopped*",
+		   * stop_pattern2 = "*not*running*",
+		   * running_pattern1 = "*running*",
+		   * running_pattern2 = "*OK*";
+	char * lower_std_output = NULL;
+
+	if(ret_execra == EXECRA_NOT_INSTALLED) {
+		return ret_execra;
+	}
+	
+	if (	0 == STRNCMP_CONST(op_type, "status")
+	||	0 == STRNCMP_CONST(op_type, "monitor")) {
+		if (std_output == NULL ) {
+			cl_log(LOG_WARNING, "No status output from the (hb) resource agent.");
+			return EXECRA_NOT_RUNNING;
+		}
+
+		if (idebuglevel) {
+			cl_log(LOG_DEBUG, "RA output was: [%s]", std_output);
+		}
+
+	 	lower_std_output = g_ascii_strdown(std_output, -1);
+
+		if ( TRUE == g_pattern_match_simple(stop_pattern1
+			, lower_std_output) || TRUE ==
+			g_pattern_match_simple(stop_pattern2
+			, lower_std_output) ) {
+			if (idebuglevel) {
+				cl_log(LOG_DEBUG
+				,	"RA output [%s] matched stopped pattern"
+				" [%s] or [%s]"
+				,	std_output
+				,	stop_pattern1
+				,	stop_pattern2);
+			}
+			ret_execra = EXECRA_NOT_RUNNING; /* stopped */
+		} else if ( TRUE == g_pattern_match_simple(running_pattern1
+			, lower_std_output) || TRUE ==
+			g_pattern_match_simple(running_pattern2
+			, std_output) ) {
+			if (idebuglevel) {
+				cl_log(LOG_DEBUG
+				,	"RA output [%s] matched running"
+				" pattern [%s] or [%s]"
+				,	std_output, running_pattern1
+				,	running_pattern2);
+			}
+			ret_execra = EXECRA_OK; /* running */
+		} else {
+			/* It didn't say it was running - must be stopped */
+			cl_log(LOG_DEBUG, "RA output [%s] didn't match any pattern"
+			,	std_output);
+			ret_execra = EXECRA_NOT_RUNNING; /* stopped */
+		}
+		g_free(lower_std_output);
+	}
+	/* For non-status operation return code */
+	if (ret_execra < 0) {
+		ret_execra = EXECRA_UNKNOWN_ERROR;
+	}
+	return ret_execra;
+}
+
+static int 
+get_resource_list(GList ** rsc_info)
+{
+	return get_runnable_list(RA_PATH, rsc_info);
+}
+
+static char*
+get_resource_meta(const char* rsc_type,  const char* provider)
+{
+	GString * meta_data;
+
+	meta_data = g_string_new("");
+	g_string_sprintf( meta_data, meta_data_template, rsc_type
+			, rsc_type, rsc_type);
+	return meta_data->str;
+}
+static int
+get_provider_list(const char* ra_type, GList ** providers)
+{
+        if ( providers == NULL ) {
+                cl_log(LOG_ERR, "%s:%d: Parameter error: providers==NULL"
+                        , __FUNCTION__, __LINE__);
+                return -2;
+        }
+
+        if ( *providers != NULL ) {
+                cl_log(LOG_ERR, "%s:%d: Parameter error: *providers==NULL."
+                        "This will cause memory leak."
+                        , __FUNCTION__, __LINE__);
+        }
+
+        /* Now temporarily make it fixed */
+        *providers = g_list_append(*providers, g_strdup("heartbeat"));
+
+        return g_list_length(*providers);
+}