124 lines
3.9 KiB
Diff
124 lines
3.9 KiB
Diff
From 1387ed890e3a9e246e9b9f780b2a7cb5379459ab Mon Sep 17 00:00:00 2001
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From: Klaus Wenninger <klaus.wenninger@aon.at>
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Date: Wed, 5 Jun 2019 11:32:49 +0200
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Subject: [PATCH] Fix: sbd-cluster: periodically check corosync-daemon liveness
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using votequorum_getinfo.
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---
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configure.ac | 12 +++++++++++-
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src/sbd-cluster.c | 36 ++++++++++++++++++++++++++++++++++--
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2 files changed, 45 insertions(+), 3 deletions(-)
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diff --git a/configure.ac b/configure.ac
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index fac26a8..c44e747 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -33,6 +33,7 @@ PKG_CHECK_MODULES(glib, [glib-2.0])
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dnl PKG_CHECK_MODULES(libcoroipcc, [libcoroipcc])
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PKG_CHECK_MODULES(cmap, [libcmap], HAVE_cmap=1, HAVE_cmap=0)
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+PKG_CHECK_MODULES(votequorum, [libvotequorum], HAVE_votequorum=1, HAVE_votequorum=0)
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dnl pacemaker > 1.1.8
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PKG_CHECK_MODULES(pacemaker, [pacemaker, pacemaker-cib], HAVE_pacemaker=1, HAVE_pacemaker=0)
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@@ -49,7 +50,12 @@ elif test $HAVE_pacemaker = 1; then
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if test $HAVE_cmap = 0; then
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AC_MSG_NOTICE(No package 'cmap' found)
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else
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- CPPFLAGS="$CPPFLAGS $cmap_CFLAGS"
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+ CPPFLAGS="$CPPFLAGS $cmap_CFLAGS"
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+ fi
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+ if test $HAVE_votequorum = 0; then
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+ AC_MSG_NOTICE(No library 'votequorum' found)
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+ else
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+ CPPFLAGS="$CPPFLAGS $votequorum_CFLAGS"
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fi
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fi
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@@ -66,6 +72,7 @@ AC_CHECK_LIB(pe_rules, test_rule, , missing="yes")
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AC_CHECK_LIB(crmcluster, crm_peer_init, , missing="yes")
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AC_CHECK_LIB(uuid, uuid_unparse, , missing="yes")
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AC_CHECK_LIB(cmap, cmap_initialize, , HAVE_cmap=0)
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+AC_CHECK_LIB(votequorum, votequorum_getinfo, , HAVE_votequorum=0)
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dnl pacemaker >= 1.1.8
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AC_CHECK_HEADERS(pacemaker/crm/cluster.h)
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@@ -107,6 +114,9 @@ fi
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AC_DEFINE_UNQUOTED(CHECK_TWO_NODE, $HAVE_cmap, Turn on checking for 2-node cluster)
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AM_CONDITIONAL(CHECK_TWO_NODE, test "$HAVE_cmap" = "1")
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+AC_DEFINE_UNQUOTED(CHECK_VOTEQUORUM_HANDLE, $HAVE_votequorum, Turn on periodic checking of votequorum-handle)
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+AM_CONDITIONAL(CHECK_VOTEQUORUM_HANDLE, test "$HAVE_votequorum" = "1")
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+
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CONFIGDIR=""
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AC_ARG_WITH(configdir,
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[ --with-configdir=DIR
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diff --git a/src/sbd-cluster.c b/src/sbd-cluster.c
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index 541212f..9fb6224 100644
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--- a/src/sbd-cluster.c
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+++ b/src/sbd-cluster.c
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@@ -80,6 +80,12 @@ sbd_plugin_membership_dispatch(cpg_handle_t handle,
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#if SUPPORT_COROSYNC
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+#if CHECK_VOTEQUORUM_HANDLE
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+#include <corosync/votequorum.h>
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+
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+static votequorum_handle_t votequorum_handle = 0;
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+#endif
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+
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static bool two_node = false;
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static bool ever_seen_both = false;
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static int cpg_membership_entries = -1;
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@@ -261,12 +267,32 @@ notify_timer_cb(gpointer data)
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#endif
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case pcmk_cluster_corosync:
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+ do {
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+#if SUPPORT_COROSYNC && CHECK_VOTEQUORUM_HANDLE
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+ struct votequorum_info info;
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+
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+ if (votequorum_getinfo(votequorum_handle, 0, &info) != CS_OK) {
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+
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+ votequorum_finalize(votequorum_handle);
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+ if (votequorum_initialize(&votequorum_handle, NULL) != CS_OK) {
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+ votequorum_handle = 0;
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+ break;
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+ }
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+ if (votequorum_getinfo(votequorum_handle, 0, &info) != CS_OK) {
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+ break;
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+ }
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+ }
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+#endif
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+ notify_parent();
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+ } while (0);
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+ break;
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+
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#if HAVE_DECL_PCMK_CLUSTER_CMAN
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case pcmk_cluster_cman:
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-#endif
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- /* TODO - Make a CPG call and only call notify_parent() when we get a reply */
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+
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notify_parent();
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break;
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+#endif
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default:
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break;
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@@ -533,6 +559,12 @@ find_pacemaker_remote(void)
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static void
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clean_up(int rc)
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{
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+#if CHECK_VOTEQUORUM_HANDLE
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+ votequorum_finalize(votequorum_handle);
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+ votequorum_handle = 0; /* there isn't really an invalid handle value
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+ * just to be back where we started
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+ */
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+#endif
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return;
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}
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--
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1.8.3.1
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