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-rw-r--r--ctdb/utils/pmda/Install36
-rw-r--r--ctdb/utils/pmda/README84
-rw-r--r--ctdb/utils/pmda/Remove29
-rw-r--r--ctdb/utils/pmda/domain.h19
-rw-r--r--ctdb/utils/pmda/help106
-rw-r--r--ctdb/utils/pmda/pmda_ctdb.c559
-rw-r--r--ctdb/utils/pmda/pmns73
-rw-r--r--ctdb/utils/pmda/root10
8 files changed, 916 insertions, 0 deletions
diff --git a/ctdb/utils/pmda/Install b/ctdb/utils/pmda/Install
new file mode 100644
index 0000000..a56a635
--- /dev/null
+++ b/ctdb/utils/pmda/Install
@@ -0,0 +1,36 @@
+#! /bin/sh
+#
+# Copyright (c) 1997 Silicon Graphics, Inc. All Rights Reserved.
+#
+# 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 of the License, or (at your
+# option) any later version.
+#
+# This program 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 program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# Install the ctdb PMDA and/or PMNS
+#
+
+. $PCP_DIR/etc/pcp.env
+. $PCP_SHARE_DIR/lib/pmdaproc.sh
+
+iam=ctdb
+pmda_interface=2
+
+# runs as daemon and only supports pipe IPC
+daemon_opt=true
+dso_opt=false
+pipe_opt=true
+socket_opt=false
+
+pmdaSetup
+pmdaInstall
+exit 0
diff --git a/ctdb/utils/pmda/README b/ctdb/utils/pmda/README
new file mode 100644
index 0000000..f8dbbbc
--- /dev/null
+++ b/ctdb/utils/pmda/README
@@ -0,0 +1,84 @@
+CTDB PMDA
+===========
+
+This PMDA extracts metrics from the locally running ctdbd daemon for
+export to PMCD.
+
+Note:
+ This PMDA may be remade from source and hence requires IDO (or
+ more specifically a C compiler) to be installed.
+
+ Uses of make(1) may fail (without removing or clobbering files)
+ if the C compiler cannot be found. This is most likely to
+ happen when running the PMDA ./Install script.
+
+ The only remedial action is to install the C compiler, or
+ hand-craft changes to the Makefile.
+
+Metrics
+=======
+
+The file ./help contains descriptions for all of the metrics exported
+by this PMDA.
+
+Once the PMDA has been installed, the following command will list all
+the available metrics and their explanatory "help" text:
+
+ $ pminfo -fT ctdb
+
+Installation
+============
+
+ + # cd $PCP_PMDAS_DIR/ctdb
+
+ + Check that there is no clash in the Performance Metrics Domain
+ defined in ./domain.h and the other PMDAs currently in use (see
+ $PCP_PMCDCONF_PATH). If there is, edit ./domain.h to choose another
+ domain number.
+
+ + Then simply use
+
+ # ./Install
+
+ and choose both the "collector" and "monitor" installation
+ configuration options.
+
+ You will be prompted to choose either a daemon implementation
+ or a DSO implementation of the PMDA, and in the case of the daemon
+ variant to select an IPC method -- everything else is automated
+
+De-installation
+===============
+
+ + Simply use
+
+ # cd $PCP_PMDAS_DIR/ctdb
+ # ./Remove
+
+Troubleshooting
+===============
+
+ + After installing or restarting the agent, the PMCD log file
+ ($PCP_LOG_DIR/pmcd/pmcd.log) and the PMDA log file
+ ($PCP_LOG_DIR/pmcd/pmda_ctdb.log) should be checked for any warnings
+ or errors.
+
+
+Adding a New Metric
+===================
+
+This section walks through the development task of adding a new metric to the
+CTDB PMDA.
+
+ + Define the metric in the pmns file with a unique metric id. See the pmns(4)
+ man page for details.
+
+ + Add a description of the metric to the help file.
+
+ + Taking note of the previously assigned metric id, add a new entry to the
+ metrictab structure in pmda_ctdb.c. See the pmdaInit(3) man page for
+ details.
+
+ + Ensure the counter is already a member of the ctdb_statistics structure.
+ Finally, add code to pmda_ctdb_fetch_cb() to handle fetch requests for the
+ newly defined metric.
diff --git a/ctdb/utils/pmda/Remove b/ctdb/utils/pmda/Remove
new file mode 100644
index 0000000..7d1c509
--- /dev/null
+++ b/ctdb/utils/pmda/Remove
@@ -0,0 +1,29 @@
+#! /bin/sh
+#
+# Copyright (c) 1997 Silicon Graphics, Inc. All Rights Reserved.
+#
+# 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 of the License, or (at your
+# option) any later version.
+#
+# This program 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 program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# Remove the ctdb PMDA
+#
+
+. $PCP_DIR/etc/pcp.env
+. $PCP_SHARE_DIR/lib/pmdaproc.sh
+
+iam=ctdb
+
+pmdaSetup
+pmdaRemove
+exit 0
diff --git a/ctdb/utils/pmda/domain.h b/ctdb/utils/pmda/domain.h
new file mode 100644
index 0000000..0bed7fe
--- /dev/null
+++ b/ctdb/utils/pmda/domain.h
@@ -0,0 +1,19 @@
+/* domain.h
+ *
+ * Copyright (c) 2004-2009 Silicon Graphics, Inc. All rights reserved.
+ *
+ * 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 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#define CTDB 110
diff --git a/ctdb/utils/pmda/help b/ctdb/utils/pmda/help
new file mode 100644
index 0000000..0e9984e
--- /dev/null
+++ b/ctdb/utils/pmda/help
@@ -0,0 +1,106 @@
+#
+# Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
+#
+# 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 of the License, or (at your
+# option) any later version.
+#
+# This program 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 program; if not, write to the Free Software Foundation, Inc.,
+# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+#
+# ctdb PMDA help file in the ASCII format
+#
+# lines beginning with a # are ignored
+# lines beginning @ introduce a new entry of the form
+# @ metric_name oneline-text
+# help test goes
+# here over multiple lines
+# ...
+#
+# the metric_name is decoded against the default PMNS -- as a special case,
+# a name of the form NNN.MM (for numeric NNN and MM) is interpreted as an
+# instance domain identification, and the text describes the instance domain
+#
+# blank lines before the @ line are ignored
+#
+
+@ ctdb.num_clients number of clients connected to ctdbd
+
+@ ctdb.frozen whether any databases are frozen
+
+@ ctdb.recovering whether recovery is active
+
+@ ctdb.client_packets_sent number of packets sent to all clients
+
+@ ctdb.client_packets_recv number of packets received from all clients
+
+@ ctdb.node_packets_sent number of packets sent to other nodes
+
+@ ctdb.node_packets_recv number of packets received from other nodes
+
+@ ctdb.keepalive_packets_sent number of keepalive packets sent to other nodes
+
+@ ctdb.keepalive_packets_recv number of keepalive packets received from other nodes
+
+@ ctdb.node.req_call number of node CTDB_REQ_CALL packets handled
+
+@ ctdb.node.reply_call number of node CTDB_REPLY_CALL packets handled
+
+@ ctdb.node.req_dmaster number of node CTDB_REQ_DMASTER packets handled
+
+@ ctdb.node.reply_dmaster number of node CTDB_REPLY_DMASTER packets handled
+
+@ ctdb.node.reply_error number of node CTDB_REPLY_ERROR packets handled
+
+@ ctdb.node.req_message number of node CTDB_REQ_MESSAGE packets handled
+
+@ ctdb.node.req_control number of node CTDB_REQ_CONTROL packets handled
+
+@ ctdb.node.reply_control number of node CTDB_REPLY_CONTROL packets handled
+
+@ ctdb.client.req_call number of client CTDB_REQ_CALL packets handled
+
+@ ctdb.client.req_message number of client CTDB_REQ_MESSAGE packets handled
+
+@ ctdb.client.req_control number of client CTDB_REQ_CONTROL packets handled
+
+@ ctdb.timeouts.call (counter not implemented) number of call timeouts
+
+@ ctdb.timeouts.control number of node control message request timeouts awaiting reply
+
+@ ctdb.timeouts.traverse number of database traversal timeouts
+
+@ ctdb.total_calls total number of client ctdb request calls received
+
+@ ctdb.pending_calls total number of client ctdb request calls in progress
+
+@ ctdb.lockwait_calls number of tdb chainlock lockwait calls
+
+@ ctdb.pending_lockwait_calls number of lockwait calls waiting for a lock
+
+@ ctdb.childwrite_calls number of childwrite calls
+
+@ ctdb.pending_childwrite_calls number of childwrite calls in progress
+
+@ ctdb.memory_used total size of the ctdbd null talloc pool
+
+@ ctdb.max_hop_count maximum hops performed by a CTDB_REQ_CALL packet
+
+@ ctdb.max_reclock_ctdbd maximum recovery lock latency during setrecmode
+
+@ ctdb.max_reclock_recd maximum recovery lock latency as reported by the recovery process
+
+@ ctdb.max_call_latency maximum time spent handling a client request call
+
+@ ctdb.max_lockwait_latency maximum time spent waiting for a tdb chainlock
+
+@ ctdb.max_childwrite_latency maximum time spent performing a childwrite
+
+@ ctdb.num_recoveries number of recoveries finished
diff --git a/ctdb/utils/pmda/pmda_ctdb.c b/ctdb/utils/pmda/pmda_ctdb.c
new file mode 100644
index 0000000..4f7933d
--- /dev/null
+++ b/ctdb/utils/pmda/pmda_ctdb.c
@@ -0,0 +1,559 @@
+/*
+ * CTDB Performance Metrics Domain Agent (PMDA) for Performance Co-Pilot (PCP)
+ *
+ * Copyright (c) 1995,2004 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2011 David Disseldorp
+ *
+ * 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 of the License, or (at your
+ * option) any later version.
+ *
+ * This program 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 program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "replace.h"
+#include "system/network.h"
+
+#include <talloc.h>
+#include <tevent.h>
+#include <tdb.h>
+
+#include "lib/util/time.h"
+#include "lib/util/blocking.h"
+
+#include "client/client.h"
+#include "client/client_sync.h"
+
+#include <pcp/pmapi.h>
+#include <pcp/pmda.h>
+
+#ifdef HAVE___PMID_INT
+#include <pcp/impl.h>
+
+#define pmID_cluster(id) id->cluster
+#define pmID_item(id) id->item
+#define pmGetProgname() pmProgname
+#define pmSetProgname(a) __pmSetProgname(a)
+#endif
+
+#include "domain.h"
+
+/*
+ * CTDB PMDA
+ *
+ * This PMDA connects to the locally running ctdbd daemon and pulls
+ * statistics for export via PCP. The ctdbd Unix domain socket path can be
+ * specified with the CTDB_SOCKET environment variable, otherwise the default
+ * path is used.
+ */
+
+/*
+ * All metrics supported in this PMDA - one table entry for each.
+ * The 4th field specifies the serial number of the instance domain
+ * for the metric, and must be either PM_INDOM_NULL (denoting a
+ * metric that only ever has a single value), or the serial number
+ * of one of the instance domains declared in the instance domain table
+ * (i.e. in indomtab, above).
+ */
+static pmdaMetric metrictab[] = {
+ /* num_clients */
+ { NULL, { PMDA_PMID(0,0), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_INSTANT,
+ PMDA_PMUNITS(0,0,0,0,0,0) }, },
+ /* frozen */
+ { NULL, { PMDA_PMID(0,1), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_INSTANT,
+ PMDA_PMUNITS(0,0,0,0,0,0) }, },
+ /* recovering */
+ { NULL, { PMDA_PMID(0,2), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_INSTANT,
+ PMDA_PMUNITS(0,0,0,0,0,0) }, },
+ /* client_packets_sent */
+ { NULL, { PMDA_PMID(0,3), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* client_packets_recv */
+ { NULL, { PMDA_PMID(0,4), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* node_packets_sent */
+ { NULL, { PMDA_PMID(0,5), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* node_packets_recv */
+ { NULL, { PMDA_PMID(0,6), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* keepalive_packets_sent */
+ { NULL, { PMDA_PMID(0,7), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* keepalive_packets_recv */
+ { NULL, { PMDA_PMID(0,8), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* req_call */
+ { NULL, { PMDA_PMID(1,0), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* reply_call */
+ { NULL, { PMDA_PMID(1,1), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* req_dmaster */
+ { NULL, { PMDA_PMID(1,2), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* reply_dmaster */
+ { NULL, { PMDA_PMID(1,3), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* reply_error */
+ { NULL, { PMDA_PMID(1,4), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* req_message */
+ { NULL, { PMDA_PMID(1,5), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* req_control */
+ { NULL, { PMDA_PMID(1,6), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* reply_control */
+ { NULL, { PMDA_PMID(1,7), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* req_call */
+ { NULL, { PMDA_PMID(2,0), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* req_message */
+ { NULL, { PMDA_PMID(2,1), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* req_control */
+ { NULL, { PMDA_PMID(2,2), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* call */
+ { NULL, { PMDA_PMID(3,0), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,0) }, },
+ /* control */
+ { NULL, { PMDA_PMID(3,1), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,0) }, },
+ /* traverse */
+ { NULL, { PMDA_PMID(3,2), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,0) }, },
+ /* total_calls */
+ { NULL, { PMDA_PMID(0,9), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* pending_calls */
+ { NULL, { PMDA_PMID(0,10), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_INSTANT,
+ PMDA_PMUNITS(0,0,0,0,0,0) }, },
+ /* locks.num_calls */
+ { NULL, { PMDA_PMID(0,11), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* locks.num_pending */
+ { NULL, { PMDA_PMID(0,12), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_INSTANT,
+ PMDA_PMUNITS(0,0,0,0,0,0) }, },
+ /* childwrite_calls */
+ { NULL, { PMDA_PMID(0,13), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_COUNTER,
+ PMDA_PMUNITS(0,0,1,0,0,PM_COUNT_ONE) }, },
+ /* pending_childwrite_calls */
+ { NULL, { PMDA_PMID(0,14), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_INSTANT,
+ PMDA_PMUNITS(0,0,0,0,0,0) }, },
+ /* memory_used */
+ { NULL, { PMDA_PMID(0,15), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_INSTANT,
+ PMDA_PMUNITS(1,0,0,PM_SPACE_BYTE,0,0) }, },
+ /* max_hop_count */
+ { NULL, { PMDA_PMID(0,16), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_INSTANT,
+ PMDA_PMUNITS(0,0,0,0,0,0) }, },
+ /* reclock.ctdbd.max */
+ { NULL, { PMDA_PMID(0,17), PM_TYPE_DOUBLE, PM_INDOM_NULL, PM_SEM_INSTANT,
+ PMDA_PMUNITS(0,1,0,0,PM_TIME_SEC,0) }, },
+ /* reclock.recd.max */
+ { NULL, { PMDA_PMID(0,18), PM_TYPE_DOUBLE, PM_INDOM_NULL, PM_SEM_INSTANT,
+ PMDA_PMUNITS(0,1,0,0,PM_TIME_SEC,0) }, },
+ /* call_latency.max */
+ { NULL, { PMDA_PMID(0,19), PM_TYPE_DOUBLE, PM_INDOM_NULL, PM_SEM_INSTANT,
+ PMDA_PMUNITS(0,1,0,0,PM_TIME_SEC,0) }, },
+ /* locks.latency.max */
+ { NULL, { PMDA_PMID(0,20), PM_TYPE_DOUBLE, PM_INDOM_NULL, PM_SEM_INSTANT,
+ PMDA_PMUNITS(0,1,0,0,PM_TIME_SEC,0) }, },
+ /* childwrite_latency.max */
+ { NULL, { PMDA_PMID(0,21), PM_TYPE_DOUBLE, PM_INDOM_NULL, PM_SEM_INSTANT,
+ PMDA_PMUNITS(0,1,0,0,PM_TIME_SEC,0) }, },
+ /* num_recoveries */
+ { NULL, { PMDA_PMID(0,22), PM_TYPE_U32, PM_INDOM_NULL, PM_SEM_INSTANT,
+ PMDA_PMUNITS(0,0,0,0,0,0) }, },
+};
+
+static struct tevent_context *ev;
+static struct ctdb_client_context *client;
+static struct ctdb_statistics *stats;
+
+static void
+pmda_ctdb_disconnected(void *args)
+{
+ fprintf(stderr, "ctdbd unreachable\n");
+ TALLOC_FREE(client);
+}
+
+
+static int
+pmda_ctdb_daemon_connect(void)
+{
+ const char *socket_name;
+ int ret;
+
+ ev = tevent_context_init(NULL);
+ if (ev == NULL) {
+ fprintf(stderr, "Failed to init event ctx\n");
+ return -1;
+ }
+
+ socket_name = getenv("CTDB_SOCKET");
+ if (socket_name == NULL) {
+ socket_name = CTDB_SOCKET;
+ }
+
+ ret = ctdb_client_init(ev, ev, socket_name, &client);
+ if (ret != 0) {
+ fprintf(stderr, "Failed to connect to ctdb daemon via %s\n",
+ socket_name);
+ goto err_ev;
+ }
+
+ ctdb_client_set_disconnect_callback(client, pmda_ctdb_disconnected,
+ NULL);
+
+ return 0;
+
+err_ev:
+ talloc_free(ev);
+ client = NULL;
+ return -1;
+}
+
+static void
+pmda_ctdb_daemon_disconnect(void)
+{
+ TALLOC_FREE(client);
+ talloc_free(ev);
+}
+
+static int
+fill_base(unsigned int item, pmAtomValue *atom)
+{
+ switch (item) {
+ case 0:
+ atom->ul = stats->num_clients;
+ break;
+ case 1:
+ atom->ul = stats->frozen;
+ break;
+ case 2:
+ atom->ul = stats->recovering;
+ break;
+ case 3:
+ atom->ul = stats->client_packets_sent;
+ break;
+ case 4:
+ atom->ul = stats->client_packets_recv;
+ break;
+ case 5:
+ atom->ul = stats->node_packets_sent;
+ break;
+ case 6:
+ atom->ul = stats->node_packets_recv;
+ break;
+ case 7:
+ atom->ul = stats->keepalive_packets_sent;
+ break;
+ case 8:
+ atom->ul = stats->keepalive_packets_recv;
+ break;
+ case 9:
+ atom->ul = stats->total_calls;
+ break;
+ case 10:
+ atom->ul = stats->pending_calls;
+ break;
+ case 11:
+ atom->ul = stats->locks.num_calls;
+ break;
+ case 12:
+ atom->ul = stats->locks.num_pending;
+ break;
+ case 13:
+ atom->ul = stats->childwrite_calls;
+ break;
+ case 14:
+ atom->ul = stats->pending_childwrite_calls;
+ break;
+ case 15:
+ atom->ul = stats->memory_used;
+ break;
+ case 16:
+ atom->ul = stats->max_hop_count;
+ break;
+ case 17:
+ atom->d = stats->reclock.ctdbd.max;
+ break;
+ case 18:
+ atom->d = stats->reclock.recd.max;
+ break;
+ case 19:
+ atom->d = stats->call_latency.max;
+ break;
+ case 20:
+ atom->d = stats->locks.latency.max;
+ break;
+ case 21:
+ atom->d = stats->childwrite_latency.max;
+ break;
+ case 22:
+ atom->ul = stats->num_recoveries;
+ break;
+ default:
+ return PM_ERR_PMID;
+ }
+
+ return 0;
+}
+
+static int
+fill_node(unsigned int item, pmAtomValue *atom)
+{
+ switch (item) {
+ case 0:
+ atom->ul = stats->node.req_call;
+ break;
+ case 1:
+ atom->ul = stats->node.reply_call;
+ break;
+ case 2:
+ atom->ul = stats->node.req_dmaster;
+ break;
+ case 3:
+ atom->ul = stats->node.reply_dmaster;
+ break;
+ case 4:
+ atom->ul = stats->node.reply_error;
+ break;
+ case 5:
+ atom->ul = stats->node.req_message;
+ break;
+ case 6:
+ atom->ul = stats->node.req_control;
+ break;
+ case 7:
+ atom->ul = stats->node.reply_control;
+ break;
+ default:
+ return PM_ERR_PMID;
+ }
+
+ return 0;
+}
+
+
+static int
+fill_client(unsigned int item, pmAtomValue *atom)
+{
+ switch (item) {
+ case 0:
+ atom->ul = stats->client.req_call;
+ break;
+ case 1:
+ atom->ul = stats->client.req_message;
+ break;
+ case 2:
+ atom->ul = stats->client.req_control;
+ break;
+ default:
+ return PM_ERR_PMID;
+ }
+
+ return 0;
+}
+
+static int
+fill_timeout(unsigned int item, pmAtomValue *atom)
+{
+ switch (item) {
+ case 0:
+ atom->ul = stats->timeouts.call;
+ break;
+ case 1:
+ atom->ul = stats->timeouts.control;
+ break;
+ case 2:
+ atom->ul = stats->timeouts.traverse;
+ break;
+ default:
+ return PM_ERR_PMID;
+ }
+
+ return 0;
+}
+
+/*
+ * callback provided to pmdaFetch
+ */
+static int
+pmda_ctdb_fetch_cb(pmdaMetric *mdesc, unsigned int inst, pmAtomValue *atom)
+{
+ int ret;
+#ifdef HAVE___PMID_INT
+ __pmID_int *id = (__pmID_int *)&(mdesc->m_desc.pmid);
+#else
+ pmID id = *(pmID *)&(mdesc->m_desc.pmid);
+#endif
+
+ if (inst != PM_IN_NULL) {
+ return PM_ERR_INST;
+ }
+
+ if (stats == NULL) {
+ fprintf(stderr, "stats not available\n");
+ ret = PM_ERR_VALUE;
+ goto err_out;
+ }
+
+
+ switch (pmID_cluster(id)) {
+ case 0:
+ ret = fill_base(pmID_item(id), atom);
+ if (ret) {
+ goto err_out;
+ }
+ break;
+ case 1:
+ ret = fill_node(pmID_item(id), atom);
+ if (ret) {
+ goto err_out;
+ }
+ break;
+ case 2:
+ ret = fill_client(pmID_item(id), atom);
+ if (ret) {
+ goto err_out;
+ }
+ break;
+ case 3:
+ ret = fill_timeout(pmID_item(id), atom);
+ if (ret) {
+ goto err_out;
+ }
+ break;
+ default:
+ return PM_ERR_PMID;
+ }
+
+ ret = 0;
+err_out:
+ return ret;
+}
+
+/*
+ * This routine is called once for each pmFetch(3) operation, so is a
+ * good place to do once-per-fetch functions, such as value caching or
+ * instance domain evaluation.
+ */
+static int
+pmda_ctdb_fetch(int numpmid, pmID pmidlist[], pmResult **resp, pmdaExt *pmda)
+{
+ int ret;
+
+ if (client == NULL) {
+ fprintf(stderr, "attempting reconnect to ctdbd\n");
+ ret = pmda_ctdb_daemon_connect();
+ if (ret < 0) {
+ fprintf(stderr, "reconnect failed\n");
+ return PM_ERR_VALUE;
+ }
+ }
+
+ ret = ctdb_ctrl_statistics(client, ev, client, CTDB_CURRENT_NODE,
+ tevent_timeval_current_ofs(1,0), &stats);
+ if (ret != 0) {
+ fprintf(stderr, "ctdb control for statistics failed, reconnecting\n");
+ pmda_ctdb_daemon_disconnect();
+ ret = PM_ERR_VALUE;
+ goto err_out;
+ }
+
+ ret = pmdaFetch(numpmid, pmidlist, resp, pmda);
+
+ talloc_free(stats);
+err_out:
+ return ret;
+}
+
+void pmda_ctdb_init(pmdaInterface *dp);
+
+/*
+ * Initialise the agent
+ */
+void
+pmda_ctdb_init(pmdaInterface *dp)
+{
+ if (dp->status != 0) {
+ return;
+ }
+
+ dp->version.two.fetch = pmda_ctdb_fetch;
+ pmdaSetFetchCallBack(dp, pmda_ctdb_fetch_cb);
+
+ pmdaInit(dp, NULL, 0, metrictab,
+ (sizeof(metrictab) / sizeof(metrictab[0])));
+}
+
+static char *
+helpfile(void)
+{
+ static char buf[MAXPATHLEN];
+
+ if (!buf[0]) {
+ snprintf(buf, sizeof(buf), "%s/ctdb/help",
+ pmGetConfig("PCP_PMDAS_DIR"));
+ }
+ return buf;
+}
+
+static void
+usage(void)
+{
+ fprintf(stderr, "Usage: %s [options]\n\n", pmGetProgname());
+ fputs("Options:\n"
+ " -d domain use domain (numeric) for metrics domain of PMDA\n"
+ " -l logfile write log into logfile rather than using default log name\n"
+ "\nExactly one of the following options may appear:\n"
+ " -i port expect PMCD to connect on given inet port (number or name)\n"
+ " -p expect PMCD to supply stdin/stdout (pipe)\n"
+ " -u socket expect PMCD to connect on given unix domain socket\n",
+ stderr);
+ exit(1);
+}
+
+/*
+ * Set up the agent if running as a daemon.
+ */
+int
+main(int argc, char **argv)
+{
+ int err = 0;
+ char log_file[] = "pmda_ctdb.log";
+ pmdaInterface dispatch;
+
+ pmSetProgname(argv[0]);
+
+ pmdaDaemon(&dispatch, PMDA_INTERFACE_2, argv[0], CTDB,
+ log_file, helpfile());
+
+ if (pmdaGetOpt(argc, argv, "d:i:l:pu:?", &dispatch, &err) != EOF) {
+ err++;
+ }
+
+ if (err) {
+ usage();
+ }
+
+ pmdaOpenLog(&dispatch);
+ pmda_ctdb_init(&dispatch);
+ pmdaConnect(&dispatch);
+ pmdaMain(&dispatch);
+
+ exit(0);
+}
+
diff --git a/ctdb/utils/pmda/pmns b/ctdb/utils/pmda/pmns
new file mode 100644
index 0000000..dc7e3ac
--- /dev/null
+++ b/ctdb/utils/pmda/pmns
@@ -0,0 +1,73 @@
+/*
+ * Metrics for CTDB PMDA
+ *
+ * Copyright (c) 2000-2004 Silicon Graphics, Inc. All Rights Reserved.
+ * Copyright (c) 2011 David Disseldorp
+ *
+ * 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 of the License, or (at your
+ * option) any later version.
+ *
+ * This program 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 program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+ctdb {
+ num_clients CTDB:0:0
+ frozen CTDB:0:1
+ recovering CTDB:0:2
+ client_packets_sent CTDB:0:3
+ client_packets_recv CTDB:0:4
+ node_packets_sent CTDB:0:5
+ node_packets_recv CTDB:0:6
+ keepalive_packets_sent CTDB:0:7
+ keepalive_packets_recv CTDB:0:8
+ node
+ client
+ timeouts
+ total_calls CTDB:0:9
+ pending_calls CTDB:0:10
+ lockwait_calls CTDB:0:11
+ pending_lockwait_calls CTDB:0:12
+ childwrite_calls CTDB:0:13
+ pending_childwrite_calls CTDB:0:14
+ memory_used CTDB:0:15
+ max_hop_count CTDB:0:16
+ max_reclock_ctdbd CTDB:0:17
+ max_reclock_recd CTDB:0:18
+ max_call_latency CTDB:0:19
+ max_lockwait_latency CTDB:0:20
+ max_childwrite_latency CTDB:0:21
+ num_recoveries CTDB:0:22
+}
+
+ctdb.node {
+ req_call CTDB:1:0
+ reply_call CTDB:1:1
+ req_dmaster CTDB:1:2
+ reply_dmaster CTDB:1:3
+ reply_error CTDB:1:4
+ req_message CTDB:1:5
+ req_control CTDB:1:6
+ reply_control CTDB:1:7
+}
+
+ctdb.client {
+ req_call CTDB:2:0
+ req_message CTDB:2:1
+ req_control CTDB:2:2
+}
+
+ctdb.timeouts {
+ call CTDB:3:0
+ control CTDB:3:1
+ traverse CTDB:3:2
+}
+
diff --git a/ctdb/utils/pmda/root b/ctdb/utils/pmda/root
new file mode 100644
index 0000000..ff036ed
--- /dev/null
+++ b/ctdb/utils/pmda/root
@@ -0,0 +1,10 @@
+/*
+ * fake "root" for validating the local PMNS subtree
+ */
+
+#include <stdpmid>
+
+root { ctdb }
+
+#include "pmns"
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-18 17:17:47 +0000