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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 07:52:36 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 07:52:36 +0000
commit7de03e4e519705301265c0415b3c0af85263a7ac (patch)
tree29d819c5227e3619d18a67d2a5dde963b3229dbe /heartbeat/rabbitmq-server-ha
parentInitial commit. (diff)
downloadresource-agents-7de03e4e519705301265c0415b3c0af85263a7ac.tar.xz
resource-agents-7de03e4e519705301265c0415b3c0af85263a7ac.zip
Adding upstream version 1:4.13.0.upstream/1%4.13.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'heartbeat/rabbitmq-server-ha')
-rwxr-xr-xheartbeat/rabbitmq-server-ha2444
1 files changed, 2444 insertions, 0 deletions
diff --git a/heartbeat/rabbitmq-server-ha b/heartbeat/rabbitmq-server-ha
new file mode 100755
index 0000000..8b3cd9e
--- /dev/null
+++ b/heartbeat/rabbitmq-server-ha
@@ -0,0 +1,2444 @@
+#!/bin/sh
+# 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
+#
+# https://www.apache.org/licenses/LICENSE-2.0
+#
+# 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.
+#
+# See usage() function below for more details ...
+#
+# Note that the script uses an external file to setup RabbitMQ policies
+# so make sure to create it from an example shipped with the package.
+#
+#######################################################################
+# Initialization:
+
+: ${OCF_FUNCTIONS_DIR=${OCF_ROOT}/lib/heartbeat}
+. ${OCF_FUNCTIONS_DIR}/ocf-shellfuncs
+
+#######################################################################
+
+# Fill in some defaults if no values are specified
+
+PATH=/sbin:/usr/sbin:/bin:/usr/bin
+
+OCF_RESKEY_binary_default="/usr/sbin/rabbitmq-server"
+OCF_RESKEY_ctl_default="/usr/sbin/rabbitmqctl"
+OCF_RESKEY_debug_default=false
+OCF_RESKEY_username_default="rabbitmq"
+OCF_RESKEY_groupname_default="rabbitmq"
+OCF_RESKEY_admin_user_default="guest"
+OCF_RESKEY_admin_password_default="guest"
+OCF_RESKEY_definitions_dump_file_default="/etc/rabbitmq/definitions"
+OCF_RESKEY_pid_file_default="/var/run/rabbitmq/pid"
+OCF_RESKEY_log_dir_default="/var/log/rabbitmq"
+OCF_RESKEY_mnesia_base_default="/var/lib/rabbitmq/mnesia"
+OCF_RESKEY_mnesia_schema_base_default="/var/lib/rabbitmq"
+OCF_RESKEY_host_ip_default="127.0.0.1"
+OCF_RESKEY_node_port_default=5672
+OCF_RESKEY_default_vhost_default="/"
+OCF_RESKEY_erlang_cookie_default=false
+OCF_RESKEY_erlang_cookie_file_default="/var/lib/rabbitmq/.erlang.cookie"
+OCF_RESKEY_use_fqdn_default=false
+OCF_RESKEY_fqdn_prefix_default=""
+OCF_RESKEY_max_rabbitmqctl_timeouts_default=3
+OCF_RESKEY_policy_file_default="/usr/local/sbin/set_rabbitmq_policy"
+OCF_RESKEY_rmq_feature_health_check_default=true
+OCF_RESKEY_rmq_feature_local_list_queues_default=true
+OCF_RESKEY_limit_nofile_default=65535
+OCF_RESKEY_avoid_using_iptables_default=false
+OCF_RESKEY_allowed_cluster_nodes_default=""
+
+: ${HA_LOGTAG="lrmd"}
+: ${HA_LOGFACILITY="daemon"}
+: ${OCF_RESKEY_binary=${OCF_RESKEY_binary_default}}
+: ${OCF_RESKEY_ctl=${OCF_RESKEY_ctl_default}}
+: ${OCF_RESKEY_debug=${OCF_RESKEY_debug_default}}
+: ${OCF_RESKEY_username=${OCF_RESKEY_username_default}}
+: ${OCF_RESKEY_groupname=${OCF_RESKEY_groupname_default}}
+: ${OCF_RESKEY_admin_user=${OCF_RESKEY_admin_user_default}}
+: ${OCF_RESKEY_admin_password=${OCF_RESKEY_admin_password_default}}
+: ${OCF_RESKEY_definitions_dump_file=${OCF_RESKEY_definitions_dump_file_default}}
+: ${OCF_RESKEY_log_dir=${OCF_RESKEY_log_dir_default}}
+: ${OCF_RESKEY_mnesia_base=${OCF_RESKEY_mnesia_base_default}}
+: ${OCF_RESKEY_mnesia_schema_base=${OCF_RESKEY_mnesia_schema_base_default}}
+: ${OCF_RESKEY_pid_file=${OCF_RESKEY_pid_file_default}}
+: ${OCF_RESKEY_node_port=${OCF_RESKEY_node_port_default}}
+: ${OCF_RESKEY_default_vhost=${OCF_RESKEY_default_vhost_default}}
+: ${OCF_RESKEY_erlang_cookie=${OCF_RESKEY_erlang_cookie_default}}
+: ${OCF_RESKEY_erlang_cookie_file=${OCF_RESKEY_erlang_cookie_file_default}}
+: ${OCF_RESKEY_use_fqdn=${OCF_RESKEY_use_fqdn_default}}
+: ${OCF_RESKEY_fqdn_prefix=${OCF_RESKEY_fqdn_prefix_default}}
+: ${OCF_RESKEY_max_rabbitmqctl_timeouts=${OCF_RESKEY_max_rabbitmqctl_timeouts_default}}
+: ${OCF_RESKEY_policy_file=${OCF_RESKEY_policy_file_default}}
+: ${OCF_RESKEY_rmq_feature_health_check=${OCF_RESKEY_rmq_feature_health_check_default}}
+: ${OCF_RESKEY_rmq_feature_local_list_queues=${OCF_RESKEY_rmq_feature_local_list_queues_default}}
+: ${OCF_RESKEY_limit_nofile=${OCF_RESKEY_limit_nofile_default}}
+: ${OCF_RESKEY_avoid_using_iptables=${OCF_RESKEY_avoid_using_iptables_default}}
+: ${OCF_RESKEY_allowed_cluster_nodes=${OCF_RESKEY_allowed_cluster_nodes_default}}
+
+#######################################################################
+
+OCF_RESKEY_CRM_meta_timeout_default=30000
+: ${OCF_RESKEY_CRM_meta_timeout=${OCF_RESKEY_CRM_meta_timeout_default}}
+OCF_RESKEY_start_time_default=$((OCF_RESKEY_CRM_meta_timeout / 6000 + 2))
+: ${OCF_RESKEY_start_time=${OCF_RESKEY_start_time_default}}
+OCF_RESKEY_stop_time_default=${OCF_RESKEY_start_time_default}
+: ${OCF_RESKEY_stop_time=${OCF_RESKEY_start_time_default}}
+OCF_RESKEY_command_timeout_default=""
+: ${OCF_RESKEY_command_timeout=${OCF_RESKEY_command_timeout_default}}
+TIMEOUT_ARG=$((OCF_RESKEY_CRM_meta_timeout / 6000 + 30))
+COMMAND_TIMEOUT="/usr/bin/timeout ${OCF_RESKEY_command_timeout} ${TIMEOUT_ARG}"
+RESOURCE_NAME=`echo $OCF_RESOURCE_INSTANCE | cut -d ":" -f 1`
+
+#######################################################################
+
+usage() {
+ cat <<UEND
+ usage: $0 (start|stop|validate-all|meta-data|status|monitor)
+
+ $0 manages an ${OCF_RESKEY_binary} process as an HA resource
+
+ The 'start' operation starts the networking service.
+ The 'stop' operation stops the networking service.
+ The 'validate-all' operation reports whether the parameters are valid
+ The 'meta-data' operation reports this RA's meta-data information
+ The 'status' operation reports whether the networking service is running
+ The 'monitor' operation reports whether the networking service seems to be working
+
+UEND
+}
+
+meta_data() {
+ # The EXTENDED_OCF_PARAMS parameter below does not exist by default
+ # and hence converted to an empty string unless overridden. It
+ # could be used by an extention script to add new parameters. For
+ # example see https://review.openstack.org/#/c/249180/10
+
+ cat <<END
+<?xml version="1.0"?>
+<!DOCTYPE resource-agent SYSTEM "ra-api-1.dtd">
+<resource-agent name="rabbitmq-server-ha">
+<version>1.0</version>
+
+<longdesc lang="en">
+Resource agent for RabbitMQ promotes a node, then cluster nodes can join it
+</longdesc>
+<shortdesc lang="en">Resource agent for RabbitMQ HA cluster</shortdesc>
+<parameters>
+
+<parameter name="binary" unique="0" required="0">
+<longdesc lang="en">
+RabbitMQ binary
+</longdesc>
+<shortdesc lang="en">RabbitMQ binary</shortdesc>
+<content type="string" default="${OCF_RESKEY_binary_default}" />
+</parameter>
+
+<parameter name="ctl" unique="0" required="0">
+<longdesc lang="en">
+rabbitctl binary
+</longdesc>
+<shortdesc lang="en">rabbitctl binary binary</shortdesc>
+<content type="string" default="${OCF_RESKEY_ctl_default}" />
+</parameter>
+
+<parameter name="pid_file" unique="0" required="0">
+<longdesc lang="en">
+RabbitMQ PID file
+</longdesc>
+<shortdesc lang="en">RabbitMQ PID file</shortdesc>
+<content type="string" default="${OCF_RESKEY_pid_file_default}" />
+</parameter>
+
+<parameter name="log_dir" unique="0" required="0">
+<longdesc lang="en">
+RabbitMQ log directory
+</longdesc>
+<shortdesc lang="en">RabbitMQ log directory</shortdesc>
+<content type="string" default="${OCF_RESKEY_log_dir_default}" />
+</parameter>
+
+<parameter name="username" unique="0" required="0">
+<longdesc lang="en">
+RabbitMQ user name
+</longdesc>
+<shortdesc lang="en">RabbitMQ user name</shortdesc>
+<content type="string" default="${OCF_RESKEY_username_default}" />
+</parameter>
+
+<parameter name="groupname" unique="0" required="0">
+<longdesc lang="en">
+RabbitMQ group name
+</longdesc>
+<shortdesc lang="en">RabbitMQ group name</shortdesc>
+<content type="string" default="${OCF_RESKEY_groupname_default}" />
+</parameter>
+
+<parameter name="admin_user" unique="0" required="0">
+<longdesc lang="en">
+RabbitMQ default admin user for API
+</longdesc>
+<shortdesc lang="en">RabbitMQ admin user</shortdesc>
+<content type="string" default="${OCF_RESKEY_admin_user_default}" />
+</parameter>
+
+<parameter name="admin_password" unique="0" required="0">
+<longdesc lang="en">
+RabbitMQ default admin user password for API
+</longdesc>
+<shortdesc lang="en">RabbitMQ admin password</shortdesc>
+<content type="string" default="${OCF_RESKEY_admin_password_default}" />
+</parameter>
+
+<parameter name="definitions_dump_file" unique="0" required="0">
+<longdesc lang="en">
+RabbitMQ default definitions dump file
+</longdesc>
+<shortdesc lang="en">RabbitMQ definitions dump file</shortdesc>
+<content type="string" default="${OCF_RESKEY_definitions_dump_file}" />
+</parameter>
+
+<parameter name="command_timeout" unique="0" required="0">
+<longdesc lang="en">
+Timeout command arguments for issued commands termination (value is auto evaluated)
+</longdesc>
+<shortdesc lang="en">Arguments for timeout wrapping command</shortdesc>
+<content type="string" default="${OCF_RESKEY_command_timeout_default}" />
+</parameter>
+
+<parameter name="start_time" unique="0" required="0">
+<longdesc lang="en">
+Timeout for start rabbitmq server
+</longdesc>
+<shortdesc lang="en">Timeout for start rabbitmq server</shortdesc>
+<content type="string" default="${OCF_RESKEY_start_time_default}" />
+</parameter>
+
+<parameter name="stop_time" unique="0" required="0">
+<longdesc lang="en">
+Timeout for stopping rabbitmq server
+</longdesc>
+<shortdesc lang="en">Timeout for stopping rabbitmq server</shortdesc>
+<content type="string" default="${OCF_RESKEY_stop_time_default}" />
+</parameter>
+
+<parameter name="debug" unique="0" required="0">
+<longdesc lang="en">
+The debug flag for agent (${OCF_RESKEY_binary}) instance.
+In the /tmp/ directory will be created rmq-* files for log
+some operations and ENV values inside OCF-script.
+</longdesc>
+<shortdesc lang="en">AMQP server (${OCF_RESKEY_binary}) debug flag</shortdesc>
+<content type="boolean" default="${OCF_RESKEY_debug_default}" />
+</parameter>
+
+<parameter name="mnesia_base" unique="0" required="0">
+<longdesc lang="en">
+Base directory for storing Mnesia files
+</longdesc>
+<shortdesc lang="en">Base directory for storing Mnesia files</shortdesc>
+<content type="boolean" default="${OCF_RESKEY_mnesia_base_default}" />
+</parameter>
+
+<parameter name="mnesia_schema_base" unique="0" required="0">
+<longdesc lang="en">
+Parent directory for Mnesia schema directory
+</longdesc>
+<shortdesc lang="en">Parent directory for Mnesia schema directory</shortdesc>
+<content type="string" default="${OCF_RESKEY_mnesia_schema_base_default}" />
+</parameter>
+
+<parameter name="host_ip" unique="0" required="0">
+<longdesc lang="en">
+${OCF_RESKEY_binary} should listen on this IP address
+</longdesc>
+<shortdesc lang="en">${OCF_RESKEY_binary} should listen on this IP address</shortdesc>
+<content type="boolean" default="${OCF_RESKEY_host_ip_default}" />
+</parameter>
+
+<parameter name="node_port" unique="0" required="0">
+<longdesc lang="en">
+${OCF_RESKEY_binary} should listen on this port
+</longdesc>
+<shortdesc lang="en">${OCF_RESKEY_binary} should listen on this port</shortdesc>
+<content type="boolean" default="${OCF_RESKEY_node_port_default}" />
+</parameter>
+
+<parameter name="default_vhost" unique="0" required="0">
+<longdesc lang="en">
+Default virtual host used for monitoring if a node is fully synchronized with
+the rest of the cluster. In normal operation, the resource agent will wait for
+queues from this virtual host on this node to be synchronized elsewhere before
+stopping RabbitMQ. This also means queues in other virtual hosts may not be
+fully synchronized on stop operations.
+</longdesc>
+<shortdesc lang="en">Default virtual host used for waiting for synchronization</shortdesc>
+<content type="string" default="${OCF_RESKEY_default_vhost_default}" />
+</parameter>
+
+<parameter name="erlang_cookie" unique="0" required="0">
+<longdesc lang="en">
+Erlang cookie for clustering. If specified, will be updated at the mnesia reset
+</longdesc>
+<shortdesc lang="en">Erlang cookie</shortdesc>
+<content type="boolean" default="${OCF_RESKEY_erlang_cookie_default}" />
+</parameter>
+
+<parameter name="erlang_cookie_file" unique="0" required="0">
+<longdesc lang="en">
+Erlang cookie file path where the cookie will be put, if requested
+</longdesc>
+<shortdesc lang="en">Erlang cookie file</shortdesc>
+<content type="boolean" default="${OCF_RESKEY_erlang_cookie_file_default}" />
+</parameter>
+
+<parameter name="use_fqdn" unique="0" required="0">
+<longdesc lang="en">
+Either to use FQDN or a shortname for the rabbitmq node
+</longdesc>
+<shortdesc lang="en">Use FQDN</shortdesc>
+<content type="boolean" default="${OCF_RESKEY_use_fqdn_default}" />
+</parameter>
+
+<parameter name="fqdn_prefix" unique="0" required="0">
+<longdesc lang="en">
+Optional FQDN prefix for RabbitMQ nodes in cluster.
+FQDN prefix can be specified to host multiple RabbitMQ instances on a node or
+in case of RabbitMQ running in dedicated network/interface.
+</longdesc>
+<shortdesc lang="en">FQDN prefix</shortdesc>
+<content type="string" default="${OCF_RESKEY_fqdn_prefix_default}" />
+</parameter>
+
+<parameter name="max_rabbitmqctl_timeouts" unique="0" required="0">
+<longdesc lang="en">
+If during monitor call rabbitmqctl times out, the timeout is ignored
+unless it is Nth timeout in a row. Here N is the value of the current parameter.
+If too many timeouts happen in a raw, the monitor call will return with error.
+</longdesc>
+<shortdesc lang="en">Fail only if that many rabbitmqctl timeouts in a row occurred</shortdesc>
+<content type="string" default="${OCF_RESKEY_max_rabbitmqctl_timeouts_default}" />
+</parameter>
+
+<parameter name="policy_file" unique="0" required="0">
+<longdesc lang="en">
+A path to the shell script to setup RabbitMQ policies
+</longdesc>
+<shortdesc lang="en">A policy file path</shortdesc>
+<content type="string" default="${OCF_RESKEY_policy_file_default}" />
+</parameter>
+
+<parameter name="rmq_feature_health_check" unique="0" required="0">
+<longdesc lang="en">
+Since rabbit 3.6.4 list_queues/list_channels-based monitoring should
+be replaced with "node_health_check" command, as it creates no network
+load at all.
+</longdesc>
+<shortdesc lang="en">Use node_health_check for monitoring</shortdesc>
+<content type="boolean" default="${OCF_RESKEY_rmq_feature_health_check_default}" />
+</parameter>
+
+<parameter name="rmq_feature_local_list_queues" unique="0" required="0">
+<longdesc lang="en">
+For rabbit version that implements --local flag for list_queues, this
+can greatly reduce network overhead in cases when node is
+stopped/demoted.
+</longdesc>
+<shortdesc lang="en">Use --local option for list_queues</shortdesc>
+<content type="boolean" default="${OCF_RESKEY_rmq_feature_local_list_queues_default}" />
+</parameter>
+
+<parameter name="limit_nofile" unique="0" required="0">
+<longdesc lang="en">
+Soft and hard limit for NOFILE
+</longdesc>
+<shortdesc lang="en">NOFILE limit</shortdesc>
+<content type="string" default="${OCF_RESKEY_limit_nofile_default}" />
+</parameter>
+
+<parameter name="avoid_using_iptables" unique="0" required="0">
+<longdesc lang="en">
+When set to true the iptables calls to block client access become
+noops. This is useful when we run inside containers.
+</longdesc>
+<shortdesc lang="en">Disable iptables use entirely</shortdesc>
+<content type="boolean" default="${OCF_RESKEY_avoid_using_iptables_default}" />
+</parameter>
+
+<parameter name="allowed_cluster_nodes" unique="0" required="0">
+<longdesc lang="en">
+When set to anything other than the empty string it must container the list of
+cluster node names, separated by spaces, where the rabbitmq resource is allowed to run.
+Tis is needed when rabbitmq is running on a subset of nodes part of a larger
+cluster. The default ("") is to assume that all nodes part of the cluster will
+run the rabbitmq resource.
+</longdesc>
+<shortdesc lang="en">List of cluster nodes where rabbitmq is allowed to run</shortdesc>
+<content type="string" default="${OCF_RESKEY_allowed_cluster_nodes}" />
+</parameter>
+
+$EXTENDED_OCF_PARAMS
+
+</parameters>
+
+<actions>
+<action name="start" timeout="20s" />
+<action name="stop" timeout="20s" />
+<action name="status" timeout="20s" />
+<action name="monitor" depth="0" timeout="30s" interval="5s" />
+<action name="monitor" depth="0" timeout="30s" interval="3s" role="Promoted"/>
+<action name="promote" timeout="30s" />
+<action name="demote" timeout="30s" />
+<action name="notify" timeout="20s" />
+<action name="validate-all" timeout="5s" />
+<action name="meta-data" timeout="5s" />
+</actions>
+</resource-agent>
+END
+}
+
+
+MIN_MASTER_SCORE=100
+BEST_MASTER_SCORE=1000
+
+
+#######################################################################
+# Functions invoked by resource manager actions
+
+#TODO(bogdando) move proc_kill, proc_stop to shared OCF functions
+# to be shipped with HA cluster packages
+###########################################################
+# Attempts to kill a process with retries and checks procfs
+# to make sure the process is stopped.
+#
+# Globals:
+# LL
+# Arguments:
+# $1 - pid of the process to try and kill
+# $2 - service name used for logging and match-based kill, if the pid is "none"
+# $3 - signal to use, defaults to SIGTERM
+# $4 - number of retries, defaults to 5
+# $5 - time to sleep between retries, defaults to 2
+# Returns:
+# 0 - if successful
+# 1 - if process is still running according to procfs
+# 2 - if invalid parameters passed in
+###########################################################
+proc_kill()
+{
+ local pid="${1}"
+ local service_name="${2}"
+ local signal="${3:-SIGTERM}"
+ local count="${4:-5}"
+ local process_sleep="${5:-2}"
+ local LH="${LL} proc_kill():"
+ local pgrp="$(ps -o pgid= ${pid} 2>/dev/null | tr -d '[[:space:]]')"
+
+ if [ "${pid}" ] && [ "${pgrp}" = "1" ] ; then
+ ocf_log err "${LH} shall not kill by the bad pid 1 (init)!"
+ return 2
+ fi
+
+ if [ "${pid}" = "none" ]; then
+ local matched
+ matched="$(pgrep -fla ${service_name})"
+ if [ -z "${matched}" ] ; then
+ ocf_log info "${LH} cannot find any processes matching the ${service_name}, considering target process to be already dead"
+ return 0
+ fi
+ ocf_log debug "${LH} no pid provided, will try the ${service_name}, matched list: ${matched}"
+ while [ $count -gt 0 ]; do
+ if [ -z "${matched}" ]; then
+ break
+ else
+ matched="$(pgrep -fla ${service_name})"
+ ocf_log debug "${LH} Stopping ${service_name} with ${signal}..."
+ ocf_run pkill -f -"${signal}" "${service_name}"
+ fi
+ sleep $process_sleep
+ count=$(( count-1 ))
+ done
+ pgrep -f "${service_name}" > /dev/null
+ if [ $? -ne 0 ] ; then
+ ocf_log debug "${LH} Stopped ${service_name} with ${signal}"
+ return 0
+ else
+ ocf_log warn "${LH} Failed to stop ${service_name} with ${signal}"
+ return 1
+ fi
+ else
+ # pid is not none
+ while [ $count -gt 0 ]; do
+ if [ ! -d "/proc/${pid}" ]; then
+ break
+ else
+ ocf_log debug "${LH} Stopping ${service_name} with ${signal}..."
+ ocf_run pkill -"${signal}" -g "${pgrp}"
+ fi
+ sleep $process_sleep
+ count=$(( count-1 ))
+ done
+
+ # Check if the process ended after the last sleep
+ if [ ! -d "/proc/${pid}" ] ; then
+ ocf_log debug "${LH} Stopped ${service_name} with ${signal}"
+ return 0
+ fi
+
+ ocf_log warn "${LH} Failed to stop ${service_name} with ${signal}"
+ return 1
+ fi
+}
+
+###########################################################
+# Attempts to kill a process with the given pid or pid file
+# using proc_kill and will retry with sigkill if sigterm is
+# unsuccessful.
+#
+# Globals:
+# OCF_ERR_GENERIC
+# OCF_SUCCESS
+# LL
+# Arguments:
+# $1 - pidfile or pid or 'none', if stopping by the name matching
+# $2 - service name used for logging or for the failback stopping method
+# $3 - stop process timeout (in sec), used to determine how many times we try
+# SIGTERM and an upper limit on how long this function should try and
+# stop the process. Defaults to 15.
+# Returns:
+# OCF_SUCCESS - if successful
+# OCF_ERR_GENERIC - if process is still running according to procfs
+###########################################################
+proc_stop()
+{
+ local pid_param="${1}"
+ local service_name="${2}"
+ local timeout="${3:-15}"
+ local LH="${LL} proc_stop():"
+ local i
+ local pid
+ local pidfile
+ if [ "${pid_param}" = "none" ] ; then
+ pid="none"
+ else
+ # check if provide just a number
+ echo "${pid_param}" | egrep -q '^[0-9]+$'
+ if [ $? -eq 0 ]; then
+ pid="${pid_param}"
+ elif [ -e "${pid_param}" ]; then # check if passed in a pid file
+ pidfile="${pid_param}"
+ pid=$(cat "${pidfile}" 2>/dev/null | tr -s " " "\n" | sort -u)
+ else
+ ocf_log warn "${LH} pid param ${pid_param} is not a file or a number, try match by ${service_name}"
+ pid="none"
+ fi
+ fi
+ # number of times to try a SIGTEM is (timeout - 5 seconds) / 2 seconds
+ local stop_count=$(( ($timeout-5)/2 ))
+
+ # make sure we stop at least once
+ if [ $stop_count -le 0 ]; then
+ stop_count=1
+ fi
+
+ if [ -z "${pid}" ] ; then
+ ocf_log warn "${LH} unable to get PID from ${pidfile}, try match by ${service_name}"
+ pid="none"
+ fi
+
+ if [ -n "${pid}" ]; then
+ for i in ${pid} ; do
+ [ "${i}" ] || break
+ ocf_log info "${LH} Stopping ${service_name} by PID ${i}"
+ proc_kill "${i}" "${service_name}" SIGTERM $stop_count
+ if [ $? -ne 0 ]; then
+ # SIGTERM failed, send a single SIGKILL
+ proc_kill "${i}" "${service_name}" SIGKILL 1 2
+ if [ $? -ne 0 ]; then
+ ocf_log err "${LH} ERROR: could not stop ${service_name}"
+ return "${OCF_ERR_GENERIC}"
+ fi
+ fi
+ done
+ fi
+
+ # Remove the pid file here which will remove empty pid files as well
+ if [ -n "${pidfile}" ]; then
+ rm -f "${pidfile}"
+ fi
+
+ ocf_log info "${LH} Stopped ${service_name}"
+ return "${OCF_SUCCESS}"
+}
+
+# Invokes the given command as a rabbitmq user and wrapped in the
+# timeout command.
+su_rabbit_cmd() {
+ local timeout
+ if [ "$1" = "-t" ]; then
+ timeout="/usr/bin/timeout ${OCF_RESKEY_command_timeout} $2"
+ shift 2
+ else
+ timeout=$COMMAND_TIMEOUT
+ fi
+ local cmd="${1:-status}"
+ local LH="${LL} su_rabbit_cmd():"
+ local rc=1
+ local user=$OCF_RESKEY_username
+ local mail=/var/spool/mail/rabbitmq
+ local pwd=/var/lib/rabbitmq
+ local home=/var/lib/rabbitmq
+
+ ocf_log debug "${LH} invoking a command: ${cmd}"
+ su $user -s /bin/sh -c "USER=${user} MAIL=${mail} PWD=${pwd} HOME=${home} LOGNAME=${user} \
+ ${timeout} ${cmd}"
+ rc=$?
+ ocf_log info "${LH} the invoked command exited ${rc}: ${cmd}"
+ return $rc
+}
+
+now() {
+ date -u +%s
+}
+
+set_limits() {
+ local current_limit=$(su $OCF_RESKEY_username -s /bin/sh -c "ulimit -n")
+ if [ ! -z $OCF_RESKEY_limit_nofile ] && [ $OCF_RESKEY_limit_nofile -gt $current_limit ] ; then
+ ulimit -n $OCF_RESKEY_limit_nofile
+ fi
+}
+
+master_score() {
+ local LH="${LL} master_score():"
+ local score=$1
+ if [ -z $score ] ; then
+ score=0
+ fi
+ ocf_log info "${LH} Updating master score attribute with ${score}"
+ ocf_run crm_master -N $THIS_PCMK_NODE -l reboot -v $score || return $OCF_ERR_GENERIC
+ return $OCF_SUCCESS
+}
+
+# Return either FQDN or shortname, depends on the OCF_RESKEY_use_fqdn.
+get_hostname() {
+ local os=$(uname -s)
+ if ! ocf_is_true "${OCF_RESKEY_use_fqdn}"; then
+ if [ "$os" = "SunOS" ]; then
+ echo "$(hostname | sed 's@\..*@@')"
+ else
+ echo "$(hostname -s)"
+ fi
+ else
+ if [ "$os" = "SunOS" ]; then
+ echo "$(hostname)"
+ else
+ echo "$(hostname -f)"
+ fi
+ fi
+}
+
+# Strip the FQDN to the shortname, if OCF_RESKEY_use_fqdn was set;
+# Prepend prefix to the hostname
+process_fqdn() {
+ if ! ocf_is_true "${OCF_RESKEY_use_fqdn}"; then
+ echo "${OCF_RESKEY_fqdn_prefix}$1" | awk -F. '{print $1}'
+ else
+ echo "${OCF_RESKEY_fqdn_prefix}$1"
+ fi
+}
+
+# Return OCF_SUCCESS, if current host is in the list of given hosts.
+# Otherwise, return 10
+my_host() {
+ local hostlist="$1"
+ local hostname
+ local hn
+ local rc=10
+ local LH="${LL} my_host():"
+
+ hostname=$(process_fqdn $(get_hostname))
+ ocf_log debug "${LH} hostlist is: $hostlist"
+ for host in $hostlist ; do
+ hn=$(process_fqdn "${host}")
+ ocf_log debug "${LH} comparing '$hostname' with '$hn'"
+ if [ "${hostname}" = "${hn}" ] ; then
+ rc=$OCF_SUCCESS
+ break
+ fi
+ done
+
+ return $rc
+}
+
+get_integer_node_attr() {
+ local value
+ value=$(crm_attribute -N $1 -l reboot --name "$2" --query 2>/dev/null | awk '{ split($3, vals, "="); if (vals[2] != "(null)") print vals[2] }')
+ if [ $? -ne 0 ] || [ -z "$value" ] ; then
+ value=0
+ fi
+ echo $value
+}
+
+get_node_start_time() {
+ get_integer_node_attr $1 'rabbit-start-time'
+}
+
+get_node_master_score() {
+ get_integer_node_attr $1 "master-${RESOURCE_NAME}"
+}
+
+# Return either rabbit node name as FQDN or shortname, depends on the OCF_RESKEY_use_fqdn.
+rabbit_node_name() {
+ echo "rabbit@$(process_fqdn $(ocf_attribute_target $1))"
+}
+
+rmq_setup_env() {
+ local H
+ local dir
+ local name
+ H="$(get_hostname)"
+ export RABBITMQ_NODENAME=$(rabbit_node_name $H)
+ if [ "$OCF_RESKEY_node_port" != "$OCF_RESKEY_node_port_default" ]; then
+ export RABBITMQ_NODE_PORT=$OCF_RESKEY_node_port
+ fi
+ export RABBITMQ_PID_FILE=$OCF_RESKEY_pid_file
+ MNESIA_FILES="${OCF_RESKEY_mnesia_base}/$(rabbit_node_name $H)"
+ if ! ocf_is_true "${OCF_RESKEY_use_fqdn}"; then
+ name="-sname"
+ else
+ name="-name"
+ fi
+ export RABBITMQ_SERVER_START_ARGS="${RABBITMQ_SERVER_START_ARGS} -mnesia dir \"${MNESIA_FILES}\" ${name} $(rabbit_node_name $H)"
+ RMQ_START_TIME="${MNESIA_FILES}/ocf_server_start_time.txt"
+ MASTER_FLAG_FILE="${MNESIA_FILES}/ocf_master_for_${OCF_RESOURCE_INSTANCE}"
+ THIS_PCMK_NODE=$(ocf_attribute_target)
+ TOTALVMEM=`free -mt | awk '/Total:/ {print $2}'`
+ # check and make PID file dir
+ local PID_DIR=$( dirname $OCF_RESKEY_pid_file )
+ if [ ! -d ${PID_DIR} ] ; then
+ mkdir -p ${PID_DIR}
+ chown -R ${OCF_RESKEY_username}:${OCF_RESKEY_groupname} ${PID_DIR}
+ chmod 755 ${PID_DIR}
+ fi
+
+ # Regardless of whether we just created the directory or it
+ # already existed, check whether it is writable by the configured
+ # user
+ for dir in ${PID_DIR} "${OCF_RESKEY_mnesia_base}" "${OCF_RESKEY_log_dir}"; do
+ if test -e ${dir}; then
+ local files
+ files=$(su -s /bin/sh - $OCF_RESKEY_username -c "find ${dir} ! -writable")
+ if [ "${files}" ]; then
+ ocf_log warn "Directory ${dir} is not writable by ${OCF_RESKEY_username}, chowning."
+ chown -R ${OCF_RESKEY_username}:${OCF_RESKEY_groupname} "${dir}"
+ fi
+ fi
+ done
+
+ export LL="${OCF_RESOURCE_INSTANCE}[$$]:"
+ update_cookie
+}
+
+# Return a RabbitMQ node to its virgin state.
+# For reset and force_reset to succeed the RabbitMQ application must have been stopped.
+# If the app cannot be stopped, beam will be killed and mnesia files will be removed.
+reset_mnesia() {
+ local LH="${LL} reset_mnesia():"
+ local make_amnesia=false
+ local rc=$OCF_ERR_GENERIC
+
+ # check status of a beam process
+ get_status
+ rc=$?
+ if [ $rc -eq 0 ] ; then
+ # beam is running
+ # check status of rabbit app and stop it, if it is running
+ get_status rabbit
+ rc=$?
+ if [ $rc -eq 0 ] ; then
+ # rabbit app is running, have to stop it
+ ocf_log info "${LH} Stopping RMQ-app prior to reset the mnesia."
+ stop_rmq_server_app
+ rc=$?
+ if [ $rc -ne 0 ] ; then
+ ocf_log warn "${LH} RMQ-app can't be stopped."
+ make_amnesia=true
+ fi
+ fi
+
+ if ! $make_amnesia ; then
+ # rabbit app is not running, reset mnesia
+ ocf_log info "${LH} Execute reset with timeout: ${TIMEOUT_ARG}"
+ su_rabbit_cmd "${OCF_RESKEY_ctl} reset"
+ rc=$?
+ if [ $rc -ne 0 ] ; then
+ ocf_log info "${LH} Execute force_reset with timeout: ${TIMEOUT_ARG}"
+ su_rabbit_cmd "${OCF_RESKEY_ctl} force_reset"
+ rc=$?
+ if [ $rc -ne 0 ] ; then
+ ocf_log warn "${LH} Mnesia couldn't cleaned, even by force-reset command."
+ make_amnesia=true
+ fi
+ fi
+ fi
+ else
+ # there is no beam running
+ make_amnesia=true
+ ocf_log warn "${LH} There is no Beam process running."
+ fi
+
+ # remove mnesia files, if required
+ if $make_amnesia ; then
+ kill_rmq_and_remove_pid
+ ocf_run rm -rf "${MNESIA_FILES}"
+ mnesia_schema_location="${OCF_RESKEY_mnesia_schema_base}/Mnesia.$(rabbit_node_name $(get_hostname))"
+ ocf_run rm -rf "$mnesia_schema_location"
+ ocf_log warn "${LH} Mnesia files appear corrupted and have been removed from ${MNESIA_FILES} and $mnesia_schema_location"
+ fi
+ # always return OCF SUCCESS
+ return $OCF_SUCCESS
+}
+
+
+block_client_access()
+{
+ # When OCF_RESKEY_avoid_using_iptables is true iptables calls are noops
+ if ocf_is_true "${OCF_RESKEY_avoid_using_iptables}"; then
+ return $OCF_SUCCESS
+ fi
+ # do not add temporary RMQ blocking rule, if it is already exist
+ # otherwise, try to add a blocking rule with max of 5 retries
+ local tries=5
+ until $(iptables -nvL --wait | grep -q 'temporary RMQ block') || [ $tries -eq 0 ]; do
+ tries=$((tries-1))
+ iptables --wait -I INPUT -p tcp -m tcp --dport ${OCF_RESKEY_node_port} -m state --state NEW,RELATED,ESTABLISHED \
+ -m comment --comment 'temporary RMQ block' -j REJECT --reject-with tcp-reset
+ sleep 1
+ done
+ if [ $tries -eq 0 ]; then
+ return $OCF_ERR_GENERIC
+ else
+ return $OCF_SUCCESS
+ fi
+}
+
+unblock_client_access()
+{
+ local lhtext="none"
+ if [ -z $1 ] ; then
+ lhtext=$1
+ fi
+ # When OCF_RESKEY_avoid_using_iptables is true iptables calls are noops
+ if ocf_is_true "${OCF_RESKEY_avoid_using_iptables}"; then
+ return
+ fi
+ # remove all temporary RMQ blocking rules, if there are more than one exist
+ for i in $(iptables -nvL --wait --line-numbers | awk '/temporary RMQ block/ {print $1}'); do
+ iptables --wait -D INPUT -p tcp -m tcp --dport ${OCF_RESKEY_node_port} -m state --state NEW,RELATED,ESTABLISHED \
+ -m comment --comment 'temporary RMQ block' -j REJECT --reject-with tcp-reset
+ done
+ ocf_log info "${lhtext} unblocked access to RMQ port"
+}
+
+get_nodes__base(){
+ local infotype=''
+ local rc=$OCF_ERR_GENERIC
+ local c_status
+
+ if [ "$1" = 'nodes' ]
+ then
+ infotype='db_nodes'
+ elif [ "$1" = 'running' ]
+ then
+ infotype='running_db_nodes'
+ fi
+ c_status=`${OCF_RESKEY_ctl} eval "mnesia:system_info(${infotype})." 2>/dev/null`
+ rc=$?
+ if [ $rc -ne 0 ] ; then
+ echo ''
+ return $OCF_ERR_GENERIC
+ fi
+ # translate line like '{running_nodes,['rabbit@node-1','rabbit@node-2','rabbit@node-3']},' to node_list
+ echo $(echo "${c_status}" | awk -F, '{ for (i=1;i<=NF;i++) { if ($i ~ /@/) { gsub(/[\[\]}{]/,"",$i); print $i; } }}' | tr -d "\'")
+ return $OCF_SUCCESS
+}
+
+get_nodes() {
+ echo $(get_nodes__base nodes)
+ return $?
+}
+
+get_running_nodes() {
+ echo $(get_nodes__base running)
+ return $?
+}
+
+# Get alive cluster nodes in visible partition, but the specified one
+get_alive_pacemaker_nodes_but()
+{
+ if [ -z "$1" ]; then
+ tmp_pcmk_node_list=`crm_node -l -p | sed -e '/(null)/d'`
+ else
+ tmp_pcmk_node_list=`crm_node -l -p | sed -e "s/${1}//g" | sed -e '/(null)/d'`
+ fi
+ # If OCF_RESKEY_allowed_cluster_nodes is set then we only want the intersection
+ # of the cluster node output and the allowed_cluster_nodes list
+ if [ -z "${OCF_RESKEY_allowed_cluster_nodes}" ]; then
+ pcmk_node_list=$tmp_pcmk_node_list
+ else
+ pcmk_node_list=`for i in $tmp_pcmk_node_list ${OCF_RESKEY_allowed_cluster_nodes}; do echo $i; done | sort | uniq -d`
+ fi
+ echo $pcmk_node_list
+}
+
+# Get current master. If a parameter is provided,
+# do not check node with that name
+get_master_name_but()
+{
+ local node
+ for node in $(get_alive_pacemaker_nodes_but "$@")
+ do
+ ocf_log info "${LH} looking if $node is master"
+
+ if is_master $node; then
+ ocf_log info "${LH} master is $node"
+ echo $node
+ break
+ fi
+ done
+}
+
+# Evals some erlang code on current node
+erl_eval() {
+ local fmt="${1:?}"
+ shift
+
+ $COMMAND_TIMEOUT ${OCF_RESKEY_ctl} eval "$(printf "$fmt" "$@")" 2>/dev/null
+}
+
+# Returns 0 if we are clustered with provideded node
+is_clustered_with()
+{
+ local LH="${LH}: is_clustered_with: "
+ local node_name
+ local rc
+ node_name=$(rabbit_node_name $1)
+
+ local seen_as_running
+ seen_as_running=$(erl_eval "lists:member('%s', rabbit_mnesia:cluster_nodes(running))." "$node_name")
+ rc=$?
+ if [ "$rc" -ne 0 ]; then
+ ocf_log err "${LH} Failed to check whether '$node_name' is considered running by us"
+ # We had a transient local error; that doesn't mean the remote node is
+ # not part of the cluster, so ignore this
+ elif [ "$seen_as_running" != true ]; then
+ ocf_log info "${LH} Node $node_name is not running, considering it not clustered with us"
+ return 1
+ fi
+
+ local seen_as_partitioned
+ seen_as_partitioned=$(erl_eval "lists:member('%s', rabbit_node_monitor:partitions())." "$node_name")
+ rc=$?
+ if [ "$rc" -ne 0 ]; then
+ ocf_log err "${LH} Failed to check whether '$node_name' is partitioned with us"
+ # We had a transient local error; that doesn't mean the remote node is
+ # partitioned with us, so ignore this
+ elif [ "$seen_as_partitioned" != false ]; then
+ ocf_log info "${LH} Node $node_name is partitioned from us"
+ return 1
+ fi
+
+ return $?
+}
+
+
+check_need_join_to() {
+ local join_to
+ local node
+ local running_nodes
+ local rc=$OCF_ERR_GENERIC
+
+ rc=0
+ join_to=$(rabbit_node_name $1)
+ running_nodes=$(get_running_nodes)
+ for node in $running_nodes ; do
+ if [ "${join_to}" = "${node}" ] ; then
+ rc=1
+ break
+ fi
+ done
+
+ return $rc
+}
+
+# Update erlang cookie, if it has been specified
+update_cookie() {
+ local cookie_file_content
+ if [ "${OCF_RESKEY_erlang_cookie}" != 'false' ] ; then
+ if [ -f "${OCF_RESKEY_erlang_cookie_file}" ]; then
+ # First line of cookie file without newline
+ cookie_file_content=$(head -n1 "${OCF_RESKEY_erlang_cookie_file}" | perl -pe chomp)
+ fi
+ # As there is a brief period of time when the file is empty
+ # (shell redirection has already opened and truncated file,
+ # and echo hasn't finished its job), we are doing this write
+ # only when cookie has changed.
+ if [ "${OCF_RESKEY_erlang_cookie}" != "${cookie_file_content}" ]; then
+ echo "${OCF_RESKEY_erlang_cookie}" > "${OCF_RESKEY_erlang_cookie_file}"
+ fi
+ # And this are idempotent operations, so we don't have to
+ # check any preconditions for running them.
+ chown ${OCF_RESKEY_username}:${OCF_RESKEY_groupname} "${OCF_RESKEY_erlang_cookie_file}"
+ chmod 600 "${OCF_RESKEY_erlang_cookie_file}"
+ fi
+ return $OCF_SUCCESS
+}
+
+# Stop rmq beam process by pid and by rabbit node name match. Returns SUCCESS/ERROR
+kill_rmq_and_remove_pid() {
+ local LH="${LL} kill_rmq_and_remove_pid():"
+ # Stop the rabbitmq-server by its pidfile, use the name matching as a fallback,
+ # and ignore the exit code
+ proc_stop "${OCF_RESKEY_pid_file}" "beam.*${RABBITMQ_NODENAME}" "${OCF_RESKEY_stop_time}"
+ # Ensure the beam.smp stopped by the rabbit node name matching as well
+ proc_stop none "beam.*${RABBITMQ_NODENAME}" "${OCF_RESKEY_stop_time}"
+ if [ $? -eq 0 ] ; then
+ return $OCF_SUCCESS
+ else
+ return $OCF_ERR_GENERIC
+ fi
+}
+
+trim_var(){
+ local string="$*"
+ echo ${string%% }
+}
+
+action_validate() {
+ # todo(sv): validate some incoming parameters
+ OCF_RESKEY_CRM_meta_notify_post=$(trim_var $OCF_RESKEY_CRM_meta_notify_post)
+ OCF_RESKEY_CRM_meta_notify_pre=$(trim_var $OCF_RESKEY_CRM_meta_notify_pre)
+ OCF_RESKEY_CRM_meta_notify_start=$(trim_var $OCF_RESKEY_CRM_meta_notify_start)
+ OCF_RESKEY_CRM_meta_notify_stop=$(trim_var $OCF_RESKEY_CRM_meta_notify_stop)
+ OCF_RESKEY_CRM_meta_notify_start_resource=$(trim_var $OCF_RESKEY_CRM_meta_notify_start_resource)
+ OCF_RESKEY_CRM_meta_notify_stop_resource=$(trim_var $OCF_RESKEY_CRM_meta_notify_stop_resource)
+ OCF_RESKEY_CRM_meta_notify_active_resource=$(trim_var $OCF_RESKEY_CRM_meta_notify_active_resource)
+ OCF_RESKEY_CRM_meta_notify_inactive_resource=$(trim_var $OCF_RESKEY_CRM_meta_notify_inactive_resource)
+ OCF_RESKEY_CRM_meta_notify_start_uname=$(trim_var $OCF_RESKEY_CRM_meta_notify_start_uname)
+ OCF_RESKEY_CRM_meta_notify_stop_uname=$(trim_var $OCF_RESKEY_CRM_meta_notify_stop_uname)
+ OCF_RESKEY_CRM_meta_notify_active_uname=$(trim_var $OCF_RESKEY_CRM_meta_notify_active_uname)
+ OCF_RESKEY_CRM_meta_notify_master_resource=$(trim_var $OCF_RESKEY_CRM_meta_notify_master_resource)
+ OCF_RESKEY_CRM_meta_notify_master_uname=$(trim_var $OCF_RESKEY_CRM_meta_notify_master_uname)
+ OCF_RESKEY_CRM_meta_notify_demote_resource=$(trim_var $OCF_RESKEY_CRM_meta_notify_demote_resource)
+ OCF_RESKEY_CRM_meta_notify_demote_uname=$(trim_var $OCF_RESKEY_CRM_meta_notify_demote_uname)
+ OCF_RESKEY_CRM_meta_notify_slave_resource=$(trim_var $OCF_RESKEY_CRM_meta_notify_slave_resource)
+ OCF_RESKEY_CRM_meta_notify_slave_uname=$(trim_var $OCF_RESKEY_CRM_meta_notify_slave_uname)
+ OCF_RESKEY_CRM_meta_notify_promote_resource=$(trim_var $OCF_RESKEY_CRM_meta_notify_promote_resource)
+ OCF_RESKEY_CRM_meta_notify_promote_uname=$(trim_var $OCF_RESKEY_CRM_meta_notify_promote_uname)
+ return $OCF_SUCCESS
+}
+
+update_rabbit_start_time_if_rc() {
+ local nowtime
+ local rc=$1
+ if [ $rc -eq 0 ]; then
+ nowtime="$(now)"
+ ocf_log info "${LH} Rabbit app started successfully. Updating start time attribute with ${nowtime}"
+ ocf_run crm_attribute -N $THIS_PCMK_NODE -l reboot --name 'rabbit-start-time' --update "${nowtime}"
+ fi
+}
+
+join_to_cluster() {
+ local node="$1"
+ local rmq_node
+ local rc=$OCF_ERR_GENERIC
+ local LH="${LL} join_to_cluster():"
+
+ ocf_log info "${LH} start."
+
+ rmq_node=$(rabbit_node_name $node)
+ ocf_log info "${LH} Joining to cluster by node '${rmq_node}'."
+ get_status rabbit
+ rc=$?
+ if [ $rc -eq $OCF_SUCCESS ] ; then
+ ocf_log info "${LH} rabbitmq app will be stopped."
+ stop_rmq_server_app
+ rc=$?
+ if [ $rc -ne 0 ] ; then
+ ocf_log err "${LH} Can't stop rabbitmq app by stop_app command. Stopping."
+ action_stop
+ return $OCF_ERR_GENERIC
+ fi
+ fi
+ ocf_log info "${LH} Execute join_cluster with timeout: ${TIMEOUT_ARG}"
+ su_rabbit_cmd "${OCF_RESKEY_ctl} join_cluster $rmq_node"
+ rc=$?
+ if [ $rc -ne 0 ] ; then
+ ocf_log err "${LH} Can't join to cluster by node '${rmq_node}'. Stopping."
+ action_stop
+ return $OCF_ERR_GENERIC
+ fi
+ sleep 2
+ try_to_start_rmq_app
+ rc=$?
+ if [ $rc -ne 0 ] ; then
+ ocf_log err "${LH} Can't start RMQ app after join to cluster. Stopping."
+ action_stop
+ return $OCF_ERR_GENERIC
+ else
+ update_rabbit_start_time_if_rc 0
+ ocf_log info "${LH} Joined to cluster succesfully."
+ fi
+
+ ocf_log info "${LH} end."
+ return $rc
+}
+
+unjoin_nodes_from_cluster() {
+ # node names of the nodes where the pcs resource is being stopped
+ local nodelist="$1"
+ local hostname
+ local nodename
+ local rc=$OCF_ERR_GENERIC
+ local rnode
+ # nodes in rabbit cluster db
+ local nodes_in_cluster
+ local LH="${LL} unjoin_nodes_from_cluster():"
+
+ nodes_in_cluster=$(get_nodes)
+ rc=$?
+ if [ $rc -ne 0 ] ; then
+ # no nodes in node list, nothing to do
+ return $OCF_SUCCESS
+ fi
+
+ # unjoin all cluster nodes which are being stopped (i.e. recieved post-stop notify), except *this* node
+ # before to unjoin the nodes, make sure they were disconnected from *this* node
+ for hostname in $nodelist ; do
+ nodename=$(rabbit_node_name $hostname)
+ if [ "${nodename}" = "${RABBITMQ_NODENAME}" ] ; then
+ continue
+ fi
+ for rnode in $nodes_in_cluster ; do
+ if [ "${nodename}" = "${rnode}" ] ; then
+ # disconnect node being unjoined from this node
+ ocf_run ${OCF_RESKEY_ctl} eval "disconnect_node(list_to_atom(\"${nodename}\"))." 2>&1
+ rc=$?
+ if [ $rc -eq $OCF_SUCCESS ] ; then
+ ocf_log info "${LH} node '${nodename}' disconnected succesfully."
+ else
+ ocf_log info "${LH} disconnecting node '${nodename}' failed."
+ fi
+
+ # unjoin node
+ # when the rabbit node went down, its status
+ # remains 'running' for a while, so few retries are required
+ local tries=0
+ until [ $tries -eq 5 ]; do
+ tries=$((tries+1))
+ if is_clustered_with $nodename; then
+ ocf_log info "${LH} the ${nodename} is alive and cannot be kicked from the cluster yet"
+ else
+ break
+ fi
+ sleep 10
+ done
+ ocf_log info "${LH} Execute forget_cluster_node with timeout: ${TIMEOUT_ARG}"
+ su_rabbit_cmd "${OCF_RESKEY_ctl} forget_cluster_node ${nodename}"
+ rc=$?
+ if [ $rc -eq 0 ] ; then
+ ocf_log info "${LH} node '${nodename}' unjoined succesfully."
+ else
+ ocf_log warn "${LH} unjoining node '${nodename}' failed."
+ fi
+ fi
+ done
+ done
+ return $OCF_SUCCESS
+}
+
+# Stop RMQ beam server process. Returns SUCCESS/ERROR
+stop_server_process() {
+ local pid
+ local rc=$OCF_ERR_GENERIC
+ local LH="${LL} stop_server_process():"
+
+ pid=$(cat ${OCF_RESKEY_pid_file})
+ rc=$?
+ if [ $rc -ne 0 ] ; then
+ # Try to stop without known PID
+ ocf_log err "${LH} RMQ-server process PIDFILE was not found!"
+ su_rabbit_cmd "${OCF_RESKEY_ctl} stop >> \"${OCF_RESKEY_log_dir}/shutdown_log\" 2>&1"
+ if [ $? -eq 0 ] ; then
+ ocf_log info "${LH} RMQ-server process stopped succesfully, although there was no PIDFILE found."
+ ocf_log info "${LH} grant a graceful termintation window ${OCF_RESKEY_stop_time} to end its beam"
+ sleep "${OCF_RESKEY_stop_time}"
+ else
+ kill_rmq_and_remove_pid
+ fi
+ elif [ "${pid}" ] ; then
+ # Try to stop gracefully by known PID
+ ocf_log info "${LH} Execute stop with timeout: ${TIMEOUT_ARG}"
+ su_rabbit_cmd "${OCF_RESKEY_ctl} stop ${OCF_RESKEY_pid_file} >> \"${OCF_RESKEY_log_dir}/shutdown_log\" 2>&1"
+ [ $? -eq 0 ] && ocf_log info "${LH} RMQ-server process (PID=${pid}) stopped succesfully."
+ fi
+
+ # Ensure there is no beam process and pidfile left
+ pgrep -f "beam.*${RABBITMQ_NODENAME}" > /dev/null
+ rc=$?
+ if [ -f ${OCF_RESKEY_pid_file} ] || [ $rc -eq 0 ] ; then
+ ocf_log warn "${LH} The pidfile or beam's still exist, forcing the RMQ-server cleanup"
+ kill_rmq_and_remove_pid
+ return $?
+ else
+ return $OCF_SUCCESS
+ fi
+}
+
+# Stop RMQ-app. Return OCF_SUCCESS, if the app was stopped,
+# otherwise return OCF_ERR_GENERIC
+stop_rmq_server_app() {
+ local rc=$OCF_ERR_GENERIC
+
+ # if the beam process isn't running, then rabbit app is stopped as well
+ get_status
+ rc=$?
+ if [ $rc -ne 0 ] ; then
+ return $OCF_SUCCESS
+ fi
+
+ # stop the app
+ ocf_log info "${LH} Execute stop_app with timeout: ${TIMEOUT_ARG}"
+ su_rabbit_cmd "${OCF_RESKEY_ctl} stop_app >> \"${OCF_RESKEY_log_dir}/shutdown_log\" 2>&1"
+ rc=$?
+ if [ $rc -ne 0 ] ; then
+ ocf_log err "${LH} RMQ-server app cannot be stopped."
+ return $OCF_ERR_GENERIC
+ fi
+
+ get_status rabbit
+ rc=$?
+ if [ $rc -ne $OCF_SUCCESS ] ; then
+ ocf_log info "${LH} RMQ-server app stopped succesfully."
+ rc=$OCF_SUCCESS
+ else
+ ocf_log err "${LH} RMQ-server app cannot be stopped."
+ rc=$OCF_ERR_GENERIC
+ fi
+
+ return $rc
+}
+
+start_beam_process() {
+ local command
+ local rc=$OCF_ERR_GENERIC
+ local ts_end
+ local pf_end
+ local pid
+ local LH="${LL} start_beam_process():"
+
+ # remove old PID-file if it exists
+ if [ -f "${OCF_RESKEY_pid_file}" ] ; then
+ ocf_log warn "${LH} found old PID-file '${OCF_RESKEY_pid_file}'."
+ pid=$(cat ${OCF_RESKEY_pid_file})
+ if [ "${pid}" ] && [ -d "/proc/${pid}" ] ; then
+ ocf_run cat /proc/${pid}/cmdline | grep -c 'bin/beam' > /dev/null 2>&1
+ rc=$?
+ if [ $rc -eq $OCF_SUCCESS ] ; then
+ ocf_log warn "${LH} found beam process with PID=${pid}, killing...'."
+ ocf_run kill -TERM $pid
+ else
+ ocf_log err "${LH} found unknown process with PID=${pid} from '${OCF_RESKEY_pid_file}'."
+ return $OCF_ERR_GENERIC
+ fi
+ fi
+ ocf_run rm -f $OCF_RESKEY_pid_file
+ fi
+
+ [ -f /etc/default/rabbitmq-server ] && . /etc/default/rabbitmq-server
+
+ # RabbitMQ requires high soft and hard limits for NOFILE
+ set_limits
+
+ # run beam process
+ command="${OCF_RESKEY_binary} >> \"${OCF_RESKEY_log_dir}/startup_log\" 2>/dev/null"
+ RABBITMQ_NODE_ONLY=1 su rabbitmq -s /bin/sh -c "${command}"&
+ ts_end=$(( $(now) + ${OCF_RESKEY_start_time} ))
+ sleep 3 # give it some time, before attempting to start_app
+ # PID-file is now created later, if the application started successfully
+ # So assume beam.smp is started, and defer errors handling for start_app
+ return $OCF_SUCCESS
+}
+
+check_plugins() {
+ # Check if it's safe to load plugins and if we need to do so. Logic is:
+ # if (EnabledPlugins > 0) and (ActivePlugins == 0) ; then it's safe to load
+ # If we have at least one active plugin, then it's not safe to re-load them
+ # because plugins:setup() would remove existing dependency plugins in plugins_expand_dir.
+ ${OCF_RESKEY_ctl} eval '{ok, EnabledFile} = application:get_env(rabbit, enabled_plugins_file), EnabledPlugins = rabbit_plugins:read_enabled(EnabledFile), ActivePlugins = rabbit_plugins:active(), if length(EnabledPlugins)>0 -> if length(ActivePlugins)==0 -> erlang:error("need_to_load_plugins"); true -> false end; true -> false end.'
+ return $?
+}
+
+load_plugins() {
+ check_plugins
+ local rc=$?
+ if [ $rc -eq 0 ] ; then
+ return 0
+ else
+ ${OCF_RESKEY_ctl} eval 'ToBeLoaded = rabbit_plugins:setup(), ok = app_utils:load_applications(ToBeLoaded), StartupApps = app_utils:app_dependency_order(ToBeLoaded,false), app_utils:start_applications(StartupApps).'
+ return $?
+ fi
+}
+
+list_active_plugins() {
+ local list
+ list=`${OCF_RESKEY_ctl} eval 'rabbit_plugins:active().' 2>/dev/null`
+ echo "${list}"
+}
+
+try_to_start_rmq_app() {
+ local startup_log="${1:-${OCF_RESKEY_log_dir}/startup_log}"
+ local rc=$OCF_ERR_GENERIC
+ local LH="${LL} try_to_start_rmq_app():"
+
+ get_status
+ rc=$?
+ if [ $rc -ne $OCF_SUCCESS ] ; then
+ ocf_log info "${LH} RMQ-runtime (beam) not started, starting..."
+ start_beam_process
+ rc=$?
+ if [ $rc -ne $OCF_SUCCESS ]; then
+ ocf_log err "${LH} Failed to start beam - returning from the function"
+ return $OCF_ERR_GENERIC
+ fi
+ fi
+
+
+ if [ -z "${startup_log}" ] ; then
+ startup_log="${OCF_RESKEY_log_dir}/startup_log"
+ fi
+
+ ocf_log info "${LH} begin."
+ ocf_log info "${LH} Execute start_app with timeout: ${TIMEOUT_ARG}"
+ su_rabbit_cmd "${OCF_RESKEY_ctl} start_app >>${startup_log} 2>&1"
+ rc=$?
+ if [ $rc -eq 0 ] ; then
+ ocf_log info "${LH} start_app was successful."
+ ocf_log info "${LH} waiting for start to finish with timeout: ${TIMEOUT_ARG}"
+ su_rabbit_cmd "${OCF_RESKEY_ctl} wait ${OCF_RESKEY_pid_file}"
+ rc=$?
+ if [ $rc -ne 0 ] ; then
+ ocf_log err "${LH} RMQ-server app failed to wait for start."
+ return $OCF_ERR_GENERIC
+ fi
+ rc=$OCF_SUCCESS
+ # Loading enabled modules
+ ocf_log info "${LH} start plugins."
+ load_plugins
+ local mrc=$?
+ if [ $mrc -eq 0 ] ; then
+ local mlist
+ mlist=`list_active_plugins`
+ ocf_log info "${LH} Starting plugins: ${mlist}"
+ else
+ ocf_log info "${LH} Starting plugins: failed."
+ fi
+ else
+ ocf_log info "${LH} start_app failed."
+ rc=$OCF_ERR_GENERIC
+ fi
+ return $rc
+}
+
+start_rmq_server_app() {
+ local rc=$OCF_ERR_GENERIC
+ local startup_log="${OCF_RESKEY_log_dir}/startup_log"
+ local startup_output
+ local LH="${LL} start_rmq_server_app():"
+ local a
+
+ #We are performing initial start check.
+ #We are not ready to provide service.
+ #Clients should not have access.
+
+
+ ocf_log info "${LH} begin."
+ # Safe-unblock the rules, if there are any
+ unblock_client_access "${LH}"
+ # Apply the blocking rule
+ block_client_access
+ rc=$?
+ if [ $rc -eq $OCF_SUCCESS ]; then
+ ocf_log info "${LH} blocked access to RMQ port"
+ else
+ ocf_log err "${LH} cannot block access to RMQ port!"
+ return $OCF_ERR_GENERIC
+ fi
+ get_status
+ rc=$?
+ if [ $rc -ne $OCF_SUCCESS ] ; then
+ ocf_log info "${LH} RMQ-runtime (beam) not started, starting..."
+ start_beam_process
+ rc=$?
+ if [ $rc -ne $OCF_SUCCESS ]; then
+ unblock_client_access "${LH}"
+ return $OCF_ERR_GENERIC
+ fi
+ fi
+
+ ocf_log info "${LH} RMQ-server app not started, starting..."
+ try_to_start_rmq_app "$startup_log"
+ rc=$?
+ if [ $rc -eq $OCF_SUCCESS ] ; then
+ # rabbitmq-server started successfuly as master of cluster
+ master_score $MIN_MASTER_SCORE
+ stop_rmq_server_app
+ rc=$?
+ if [ $rc -ne 0 ] ; then
+ ocf_log err "${LH} RMQ-server app can't be stopped. Beam will be killed."
+ kill_rmq_and_remove_pid
+ unblock_client_access "${LH}"
+ return $OCF_ERR_GENERIC
+ fi
+ else
+ # error at start RMQ-server
+ ocf_log warn "${LH} RMQ-server app can't start without Mnesia cleaning."
+ for a in $(seq 1 10) ; do
+ rc=$OCF_ERR_GENERIC
+ reset_mnesia || break
+ try_to_start_rmq_app "$startup_log"
+ rc=$?
+ if [ $rc -eq $OCF_SUCCESS ]; then
+ stop_rmq_server_app
+ rc=$?
+ if [ $rc -eq $OCF_SUCCESS ]; then
+ ocf_log info "${LH} RMQ-server app Mnesia cleaned successfully."
+ rc=$OCF_SUCCESS
+ master_score $MIN_MASTER_SCORE
+ break
+ else
+ ocf_log err "${LH} RMQ-server app can't be stopped during Mnesia cleaning. Beam will be killed."
+ kill_rmq_and_remove_pid
+ unblock_client_access "${LH}"
+ return $OCF_ERR_GENERIC
+ fi
+ fi
+ done
+ fi
+ if [ $rc -eq $OCF_ERR_GENERIC ] ; then
+ ocf_log err "${LH} RMQ-server can't be started while many tries. Beam will be killed."
+ kill_rmq_and_remove_pid
+ fi
+ ocf_log info "${LH} end."
+ unblock_client_access "${LH}"
+ return $rc
+}
+
+# check status of rabbit beam process or a rabbit app, if rabbit arg specified
+# by default, test if the kernel app is running, otherwise consider it is "not running"
+get_status() {
+ local what="${1:-kernel}"
+ local rc=$OCF_NOT_RUNNING
+ local LH="${LL} get_status():"
+ local body
+ local beam_running
+
+ body=$( ${COMMAND_TIMEOUT} ${OCF_RESKEY_ctl} eval 'rabbit_misc:which_applications().' 2>&1 )
+ rc=$?
+
+ pgrep -f "beam.*${RABBITMQ_NODENAME}" > /dev/null
+ beam_running=$?
+ # report not running only if the which_applications() reported an error AND the beam is not running
+ if [ $rc -ne 0 ] && [ $beam_running -ne 0 ] ; then
+ ocf_log info "${LH} failed with code ${rc}. Command output: ${body}"
+ return $OCF_NOT_RUNNING
+ # return a generic error, if there were errors and beam is found running
+ elif [ $rc -ne 0 ] ; then
+ ocf_log info "${LH} found the beam process running but failed with code ${rc}. Command output: ${body}"
+ return $OCF_ERR_GENERIC
+ fi
+
+ # try to parse the which_applications() output only if it exited w/o errors
+ if [ "${what}" ] && [ $rc -eq 0 ] ; then
+ rc=$OCF_NOT_RUNNING
+ echo "$body" | grep "\{${what}," > /dev/null 2>&1 && rc=$OCF_SUCCESS
+
+ if [ $rc -ne $OCF_SUCCESS ] ; then
+ ocf_log info "${LH} app ${what} was not found in command output: ${body}"
+ fi
+ fi
+
+ [ $rc -ne $OCF_SUCCESS ] && rc=$OCF_NOT_RUNNING
+ return $rc
+}
+
+action_status() {
+ local rc=$OCF_ERR_GENERIC
+
+ get_status
+ rc=$?
+ return $rc
+}
+
+# return 0, if given node has a master attribute in CIB,
+# otherwise, return 1
+is_master() {
+ local result
+ result=`crm_attribute -N "${1}" -l reboot --name 'rabbit-master' --query 2>/dev/null |\
+ awk '{print $3}' | awk -F "=" '{print $2}' | sed -e '/(null)/d'`
+ if [ "${result}" != 'true' ] ; then
+ return 1
+ fi
+ return 0
+}
+
+# Verify if su_rabbit_cmd exited by timeout by checking its return code.
+# If it did not, return 0. If it did AND it is
+# $OCF_RESKEY_max_rabbitmqctl_timeouts'th timeout in a row,
+# return 2 to signal get_monitor that it should
+# exit with error. Otherwise return 1 to signal that there was a timeout,
+# but it should be ignored. Timeouts for different operations are tracked
+# separately. The second argument is used to distingush them.
+check_timeouts() {
+ local op_rc=$1
+ local timeouts_attr_name=$2
+ local op_name=$3
+
+ # 75 is EX_TEMPFAIL from sysexits, and is used by rabbitmqctl to signal about
+ # timeout.
+ if [ $op_rc -ne 124 ] && [ $op_rc -ne 137 ] && [ $op_rc -ne 75 ]; then
+ ocf_update_private_attr $timeouts_attr_name 0
+ return 0
+ fi
+
+ local count
+ count=$(ocf_get_private_attr $timeouts_attr_name 0)
+
+ count=$((count+1))
+ # There is a slight chance that this piece of code will be executed twice simultaneously.
+ # As a result, $timeouts_attr_name's value will be one less than it should be. But we don't need
+ # precise calculation here.
+ ocf_update_private_attr $timeouts_attr_name $count
+
+ if [ $count -lt $OCF_RESKEY_max_rabbitmqctl_timeouts ]; then
+ ocf_log warn "${LH} 'rabbitmqctl $op_name' timed out $count of max. $OCF_RESKEY_max_rabbitmqctl_timeouts time(s) in a row. Doing nothing for now."
+ return 1
+ else
+ ocf_log err "${LH} 'rabbitmqctl $op_name' timed out $count of max. $OCF_RESKEY_max_rabbitmqctl_timeouts time(s) in a row and is not responding. The resource is failed."
+ return 2
+ fi
+}
+
+wait_sync() {
+ local wait_time=$1
+ local queues
+ local opt_arg=""
+
+ if ocf_is_true "$OCF_RESKEY_rmq_feature_local_list_queues"; then
+ opt_arg="--local"
+ fi
+
+ queues="${COMMAND_TIMEOUT} ${OCF_RESKEY_ctl} -p ${OCF_RESKEY_default_vhost} list_queues $opt_arg name state"
+
+ su_rabbit_cmd -t "${wait_time}" "sh -c \"while ${queues} | grep -q 'syncing,'; \
+ do sleep 2; done\""
+
+ return $?
+}
+
+get_monitor() {
+ local rc=$OCF_ERR_GENERIC
+ local LH="${LL} get_monitor():"
+ local status_master=1
+ local rabbit_running
+ local name
+ local node
+ local node_start_time
+ local nowtime
+ local partitions_report
+ local node_partitions
+
+ ocf_log info "${LH} CHECK LEVEL IS: ${OCF_CHECK_LEVEL}"
+ get_status
+ rc=$?
+ if [ $rc -eq $OCF_NOT_RUNNING ] ; then
+ ocf_log info "${LH} get_status() returns ${rc}."
+ ocf_log info "${LH} ensuring this slave does not get promoted."
+ master_score 0
+ return $OCF_NOT_RUNNING
+ elif [ $rc -eq $OCF_SUCCESS ] ; then
+ ocf_log info "${LH} get_status() returns ${rc}."
+ ocf_log info "${LH} also checking if we are master."
+ get_status rabbit
+ rabbit_running=$?
+ is_master $THIS_PCMK_NODE
+ status_master=$?
+ ocf_log info "${LH} master attribute is ${status_master}"
+ if [ $status_master -eq 0 ] && [ $rabbit_running -eq $OCF_SUCCESS ]
+ then
+ ocf_log info "${LH} We are the running master"
+ rc=$OCF_RUNNING_MASTER
+ elif [ $status_master -eq 0 ] && [ $rabbit_running -ne $OCF_SUCCESS ] ; then
+ ocf_log err "${LH} We are the master and RMQ-runtime (beam) is not running. this is a failure"
+ exit $OCF_FAILED_MASTER
+ fi
+ fi
+ get_status rabbit
+ rabbit_running=$?
+ ocf_log info "${LH} checking if rabbit app is running"
+
+ if [ $rc -eq $OCF_RUNNING_MASTER ]; then
+ if [ $rabbit_running -eq $OCF_SUCCESS ]; then
+ ocf_log info "${LH} rabbit app is running and is master of cluster"
+ else
+ ocf_log err "${LH} we are the master and rabbit app is not running. This is a failure"
+ exit $OCF_FAILED_MASTER
+ fi
+ else
+ start_time=$((180 + $(ocf_get_private_attr 'rabbit-start-phase-1-time' 0)))
+ restart_order_time=$((60 + $(ocf_get_private_attr 'rabbit-ordered-to-restart' 0)))
+ nowtime=$(now)
+
+ # If we started more than 3 minutes ago, and
+ # we got order to restart less than 1 minute ago
+ if [ $nowtime -lt $restart_order_time ]; then
+ if [ $nowtime -gt $start_time ]; then
+ ocf_log err "${LH} failing because we have received an order to restart from the master"
+ stop_server_process
+ rc=$OCF_ERR_GENERIC
+ else
+ ocf_log warn "${LH} received an order to restart from the master, ignoring it because we have just started"
+ fi
+ fi
+ fi
+
+ if [ $rc -eq $OCF_ERR_GENERIC ]; then
+ ocf_log err "${LH} get_status() returns generic error ${rc}"
+ ocf_log info "${LH} ensuring this slave does not get promoted."
+ master_score 0
+ return $OCF_ERR_GENERIC
+ fi
+
+ # Recounting our master score
+ ocf_log info "${LH} preparing to update master score for node"
+ local our_start_time
+ local new_score
+ local node_start_time
+ local node_score
+
+ our_start_time=$(get_node_start_time $THIS_PCMK_NODE)
+
+ if [ $our_start_time -eq 0 ]; then
+ new_score=$MIN_MASTER_SCORE
+ else
+ new_score=$BEST_MASTER_SCORE
+ for node in $(get_alive_pacemaker_nodes_but $THIS_PCMK_NODE)
+ do
+ node_start_time=$(get_node_start_time $node)
+ node_score=$(get_node_master_score $node)
+
+ ocf_log info "${LH} comparing us (start time: $our_start_time, score: $new_score) with $node (start time: $node_start_time, score: $node_score)"
+ if [ $node_start_time -ne 0 ] && [ $node_score -ne 0 ] && [ $node_start_time -lt $our_start_time ]; then
+ new_score=$((node_score - 10 < new_score ? node_score - 10 : new_score ))
+ elif [ $node_start_time -ne 0 ] && [ $node_score -ne 0 ] && [ $node_start_time -eq $our_start_time ]; then
+ # Do not get promoted if the other node is already master and we have the same start time
+ if is_master $node; then
+ new_score=$((node_score - 10 < new_score ? node_score - 10 : new_score ))
+ fi
+ fi
+ done
+ fi
+
+ if [ "$new_score" -ne "$(get_node_master_score $THIS_PCMK_NODE)" ]; then
+ master_score $new_score
+ fi
+ ocf_log info "${LH} our start time is $our_start_time and score is $new_score"
+
+ # Skip all other checks if rabbit app is not running
+ if [ $rabbit_running -ne $OCF_SUCCESS ]; then
+ ocf_log info "${LH} RabbitMQ is not running, get_monitor function ready to return ${rc}"
+ return $rc
+ fi
+
+ # rc can be SUCCESS or RUNNING_MASTER, don't touch it unless there
+ # is some error uncovered by node_health_check
+ if ! node_health_check; then
+ rc=$OCF_ERR_GENERIC
+ fi
+
+ if [ $rc -eq $OCF_RUNNING_MASTER ] ; then
+ # If we are the master and healthy, perform various
+ # connectivity checks for other nodes in the cluster.
+ # Order a member to restart if something fishy happens with it.
+ # All cross-node checks MUST happen only here.
+
+ partitions_report="$(partitions_report)"
+
+ for node in $(get_alive_pacemaker_nodes_but $THIS_PCMK_NODE); do
+ # Restart node if we don't consider ourselves clustered with it
+ if ! is_clustered_with $node; then
+ ocf_log warn "${LH} node $node is not connected with us"
+ order_node_restart "$node"
+ continue
+ fi
+
+ # Restart node if it has any unresolved partitions
+ node_partitions=$(grep_partitions_report $node "$partitions_report")
+ if [ ! -z "$node_partitions" ]; then
+ ocf_log warn "${LH} Node $node thinks that it is partitoned with $node_partitions"
+ order_node_restart "$node"
+ continue
+ fi
+ done
+ fi
+
+ ocf_log info "${LH} get_monitor function ready to return ${rc}"
+ return $rc
+}
+
+order_node_restart() {
+ local node=${1:?}
+ ocf_log warn "${LH} Ordering node '$node' to restart"
+ ocf_update_private_attr 'rabbit-ordered-to-restart' "$(now)" "$node"
+}
+
+# Checks whether node is mentioned somewhere in report returned by
+# partitions_report()
+grep_partitions_report() {
+ local node="${1:?}"
+ local report="${2:?}"
+ local rabbit_node
+ rabbit_node=$(rabbit_node_name "$node")
+ echo "$report" | grep "PARTITIONED $rabbit_node:" | sed -e 's/^[^:]\+: //'
+}
+
+# Report partitions (if any) from viewpoint of every running node in cluster.
+# It is parseable/grepable version of `rabbitmqctl cluster_status`.
+#
+# If node sees partition, report will contain the line like:
+# PARTITIONED node-name: list-of-nodes, which-node-name-considers, itself-partitioned-with
+partitions_report() {
+ $COMMAND_TIMEOUT xargs -0 ${OCF_RESKEY_ctl} eval <<EOF
+RpcTimeout = 10,
+
+Nodes = rabbit_mnesia:cluster_nodes(running),
+
+{Replies, _BadNodes} = gen_server:multi_call(Nodes, rabbit_node_monitor, partitions, RpcTimeout * 1000),
+
+lists:foreach(fun ({_, []}) -> ok;
+ ({Node, Partitions}) ->
+ PartitionsStr = string:join([atom_to_list(Part) || Part <- Partitions],
+ ", "),
+ io:format("PARTITIONED ~s: ~s~n",
+ [Node, PartitionsStr])
+ end, Replies),
+
+ok.
+EOF
+}
+
+# Check if the rabbitmqctl control plane is alive.
+node_health_check() {
+ local rc
+ if [ "$OCF_RESKEY_rmq_feature_health_check" = true ]; then
+ node_health_check_local
+ rc=$?
+ else
+ node_health_check_legacy
+ rc=$?
+ fi
+ return $rc
+}
+
+node_health_check_local() {
+ local LH="${LH} node_health_check_local():"
+ local rc
+ local rc_timeouts
+
+ # Give node_health_check some time to handle timeout by itself.
+ # By using internal rabbitmqctl timeouts, we allow it to print
+ # more useful diagnostics
+ local timeout=$((TIMEOUT_ARG - 2))
+ su_rabbit_cmd "${OCF_RESKEY_ctl} node_health_check -t $timeout"
+ rc=$?
+
+ check_timeouts $rc "rabbit_node_health_check_timeouts" "node_health_check"
+ rc_timeouts=$?
+
+ if [ "$rc_timeouts" -eq 2 ]; then
+ master_score 0
+ ocf_log info "${LH} node_health_check timed out, retry limit reached"
+ return $OCF_ERR_GENERIC
+ elif [ "$rc_timeouts" -eq 1 ]; then
+ ocf_log info "${LH} node_health_check timed out, going to retry"
+ return $OCF_SUCCESS
+ fi
+
+ if [ "$rc" -ne 0 ]; then
+ ocf_log err "${LH} rabbitmqctl node_health_check exited with errors."
+ return $OCF_ERR_GENERIC
+ else
+ return $OCF_SUCCESS
+ fi
+}
+
+node_health_check_legacy() {
+ local rc_alive
+ local timeout_alive
+ su_rabbit_cmd "${OCF_RESKEY_ctl} list_channels > /dev/null 2>&1"
+ rc_alive=$?
+ { [ $rc_alive -eq 137 ] || [ $rc_alive -eq 124 ] ; } && ocf_log err "${LH} 'rabbitmqctl list_channels' timed out, per-node explanation: $(enhanced_list_channels)"
+ check_timeouts $rc_alive "rabbit_list_channels_timeouts" "list_channels"
+ timeout_alive=$?
+
+ if [ $timeout_alive -eq 2 ]; then
+ master_score 0
+ return $OCF_ERR_GENERIC
+ elif [ $timeout_alive -eq 0 ]; then
+ if [ $rc_alive -ne 0 ]; then
+ ocf_log err "${LH} rabbitmqctl list_channels exited with errors."
+ rc=$OCF_ERR_GENERIC
+ fi
+ fi
+
+ # Check for memory alarms for this Master or Slave node.
+ # If alert found, reset the alarm
+ # and restart the resource as it likely means a dead end situation
+ # when rabbitmq cluster is running with blocked publishing due
+ # to high memory watermark exceeded.
+ local alarms
+ local rc_alarms
+ local timeout_alarms
+ alarms=`su_rabbit_cmd "${OCF_RESKEY_ctl} -q eval 'rabbit_alarm:get_alarms().'" 2>/dev/null`
+ rc_alarms=$?
+ check_timeouts $rc_alarms "rabbit_get_alarms_timeouts" "get_alarms"
+ timeout_alarms=$?
+
+ if [ $timeout_alarms -eq 2 ]; then
+ master_score 0
+ return $OCF_ERR_GENERIC
+
+ elif [ $timeout_alarms -eq 0 ]; then
+ if [ $rc_alarms -ne 0 ]; then
+ ocf_log err "${LH} rabbitmqctl get_alarms exited with errors."
+ rc=$OCF_ERR_GENERIC
+
+ elif [ -n "${alarms}" ]; then
+ for node in ${alarms}; do
+ name=`echo ${node} | perl -n -e "m/memory,'(?<n>\S+)+'/ && print \"$+{n}\n\""`
+ if [ "${name}" = "${RABBITMQ_NODENAME}" ] ; then
+ ocf_log err "${LH} Found raised memory alarm. Erasing the alarm and restarting."
+ su_rabbit_cmd "${OCF_RESKEY_ctl} set_vm_memory_high_watermark 10 > /dev/null 2>&1"
+ rc=$OCF_ERR_GENERIC
+ break
+ fi
+ done
+ fi
+ fi
+
+ if ! is_cluster_status_ok ; then
+ rc=$OCF_ERR_GENERIC
+ fi
+
+ # Check if the list of all queues is available,
+ # Also report some queues stats and total virtual memory.
+ local queues
+ local rc_queues
+ local timeout_queues
+ queues=`su_rabbit_cmd "${OCF_RESKEY_ctl} -q -p ${OCF_RESKEY_default_vhost} list_queues memory messages consumer_utilisation"`
+ rc_queues=$?
+ check_timeouts $rc_queues "rabbit_list_queues_timeouts" "list_queues"
+ timeout_queues=$?
+
+ if [ $timeout_queues -eq 2 ]; then
+ master_score 0
+ return $OCF_ERR_GENERIC
+
+ elif [ $timeout_queues -eq 0 ]; then
+ if [ $rc_queues -ne 0 ]; then
+ ocf_log err "${LH} rabbitmqctl list_queues exited with errors."
+ rc=$OCF_ERR_GENERIC
+
+ elif [ -n "${queues}" ]; then
+ local q_c
+ q_c=`printf %b "${queues}\n" | wc -l`
+ local mem
+ mem=`printf %b "${queues}\n" | awk -v sum=0 '{sum+=$1} END {print (sum/1048576)}'`
+ local mes
+ mes=`printf %b "${queues}\n" | awk -v sum=0 '{sum+=$2} END {print sum}'`
+ local c_u
+ c_u=`printf %b "${queues}\n" | awk -v sum=0 -v cnt=${q_c} '{sum+=$3} END {print (sum+1)/(cnt+1)}'`
+ local status
+ status=`echo $(su_rabbit_cmd "${OCF_RESKEY_ctl} -q status")`
+ ocf_log info "${LH} RabbitMQ is running ${q_c} queues consuming ${mem}m of ${TOTALVMEM}m total, with ${mes} queued messages, average consumer utilization ${c_u}"
+ ocf_log info "${LH} RabbitMQ status: ${status}"
+ fi
+ fi
+
+ return $rc
+}
+
+ocf_get_private_attr() {
+ local attr_name="${1:?}"
+ local attr_default_value="${2:?}"
+ local nodename="${3:-$THIS_PCMK_NODE}"
+ local count
+ count=$(attrd_updater -p --name "$attr_name" --node "$nodename" --query)
+ if [ $? -ne 0 ]; then
+ echo $attr_default_value
+ else
+ echo "$count" | awk -vdef_val="$attr_default_value" '{ gsub(/"/, "", $3); split($3, vals, "="); if (vals[2] != "") print vals[2]; else print def_val }'
+ fi
+}
+
+ocf_update_private_attr() {
+ local attr_name="${1:?}"
+ local attr_value="${2:?}"
+ local nodename="${3:-$THIS_PCMK_NODE}"
+ ocf_run attrd_updater -p --name "$attr_name" --node "$nodename" --update "$attr_value"
+}
+
+rabbitmqctl_with_timeout_check() {
+ local command="${1:?}"
+ local timeout_attr_name="${2:?}"
+
+ su_rabbit_cmd "${OCF_RESKEY_ctl} $command"
+ local rc=$?
+
+ check_timeouts $rc $timeout_attr_name "$command"
+ local has_timed_out=$?
+
+ case "$has_timed_out" in
+ 0)
+ return $rc;;
+ 1)
+ return 0;;
+ 2)
+ return 1;;
+ esac
+}
+
+is_cluster_status_ok() {
+ local LH="${LH}: is_cluster_status_ok:"
+ rabbitmqctl_with_timeout_check cluster_status rabbit_cluster_status_timeouts > /dev/null 2>&1
+}
+
+action_monitor() {
+ local rc=$OCF_ERR_GENERIC
+ local LH="${LL} monitor:"
+ ocf_log debug "${LH} action start."
+ if ocf_is_true "${OCF_RESKEY_debug}"; then
+ d=`date '+%Y%m%d %H:%M:%S'`
+ echo $d >> /tmp/rmq-monitor.log
+ env >> /tmp/rmq-monitor.log
+ echo "$d [monitor] start='${OCF_RESKEY_CRM_meta_notify_start_uname}' stop='${OCF_RESKEY_CRM_meta_notify_stop_uname}' active='${OCF_RESKEY_CRM_meta_notify_active_uname}' inactive='${OCF_RESKEY_CRM_meta_notify_inactive_uname}'" >> /tmp/rmq-ocf.log
+ fi
+ get_monitor
+ rc=$?
+ ocf_log debug "${LH} role: ${OCF_RESKEY_CRM_meta_role}"
+ ocf_log debug "${LH} result: $rc"
+ ocf_log debug "${LH} action end."
+ return $rc
+}
+
+
+action_start() {
+ local rc=$OCF_ERR_GENERIC
+ local LH="${LL} start:"
+ local nowtime
+
+ if ocf_is_true "${OCF_RESKEY_debug}"; then
+ d=`date '+%Y%m%d %H:%M:%S'`
+ echo $d >> /tmp/rmq-start.log
+ env >> /tmp/rmq-start.log
+ echo "$d [start] start='${OCF_RESKEY_CRM_meta_notify_start_uname}' stop='${OCF_RESKEY_CRM_meta_notify_stop_uname}' active='${OCF_RESKEY_CRM_meta_notify_active_uname}' inactive='${OCF_RESKEY_CRM_meta_notify_inactive_uname}'" >> /tmp/rmq-ocf.log
+ fi
+
+ ocf_log info "${LH} action begin."
+
+ get_status
+ rc=$?
+ if [ $rc -eq $OCF_SUCCESS ] ; then
+ ocf_log warn "${LH} RMQ-runtime (beam) already started."
+ return $OCF_SUCCESS
+ fi
+
+ local attrs_to_zero="rabbit_list_channels_timeouts rabbit_get_alarms_timeouts rabbit_list_queues_timeouts rabbit_cluster_status_timeouts rabbit_node_health_check_timeouts"
+ local attr_name_to_reset
+ for attr_name_to_reset in $attrs_to_zero; do
+ ocf_update_private_attr $attr_name_to_reset 0
+ done
+
+ nowtime=$(now)
+ ocf_log info "${LH} Setting phase 1 one start time to $nowtime"
+ ocf_update_private_attr 'rabbit-start-phase-1-time' "$nowtime"
+ ocf_log info "${LH} Deleting start time attribute"
+ ocf_run crm_attribute -N $THIS_PCMK_NODE -l reboot --name 'rabbit-start-time' --delete
+ ocf_log info "${LH} Deleting master attribute"
+ ocf_run crm_attribute -N $THIS_PCMK_NODE -l reboot --name 'rabbit-master' --delete
+
+ ocf_log info "${LH} RMQ going to start."
+ start_rmq_server_app
+ rc=$?
+ if [ $rc -eq $OCF_SUCCESS ] ; then
+ ocf_log info "${LH} RMQ prepared for start succesfully."
+ fi
+
+ ocf_log info "${LH} action end."
+ return $rc
+}
+
+
+action_stop() {
+ local rc=$OCF_ERR_GENERIC
+ local LH="${LL} stop:"
+
+ if ocf_is_true "${OCF_RESKEY_debug}"; then
+ d=$(date '+%Y%m%d %H:%M:%S')
+ echo $d >> /tmp/rmq-stop.log
+ env >> /tmp/rmq-stop.log
+ echo "$d [stop] start='${OCF_RESKEY_CRM_meta_notify_start_uname}' stop='${OCF_RESKEY_CRM_meta_notify_stop_uname}' active='${OCF_RESKEY_CRM_meta_notify_active_uname}' inactive='${OCF_RESKEY_CRM_meta_notify_inactive_uname}'" >> /tmp/rmq-ocf.log
+ fi
+
+ ocf_log info "${LH} action begin."
+
+ ocf_log info "${LH} Deleting master attribute"
+ ocf_run crm_attribute -N $THIS_PCMK_NODE -l reboot --name 'rabbit-master' --delete
+ master_score 0
+ ocf_log info "${LH} Deleting start time attribute"
+ ocf_run crm_attribute -N $THIS_PCMK_NODE -l reboot --name 'rabbit-start-time' --delete
+
+ # Wait for synced state first
+ ocf_log info "${LH} waiting $((OCF_RESKEY_stop_time/2)) to sync"
+ wait_sync $((OCF_RESKEY_stop_time/2))
+
+ ocf_log info "${LH} RMQ-runtime (beam) going to down."
+ stop_server_process
+
+ if [ $? -ne $OCF_SUCCESS ] ; then
+ ocf_log err "RMQ-runtime (beam) couldn't be stopped and will likely became unmanaged. Take care of it manually!"
+ ocf_log info "${LH} action end."
+ exit $OCF_ERR_GENERIC
+ fi
+
+ ocf_log info "${LH} RMQ-runtime (beam) not running."
+ ocf_log info "${LH} action end."
+ return $OCF_SUCCESS
+}
+
+#######################################################################
+# Enhanced list_channels:
+# - nodes are processed in parallel
+# - report contains information about which nodes timed out
+#
+# 'list_channels' is used as a healh-check for current node, but it
+# actually checks overall health of all node in cluster. And there were
+# some bugs where only one (non-local) channel became stuck, but OCF
+# script was wrongfully killing local node.
+#
+# Hopefully all such bugs are fixed, but if not - it will allow to
+# detect such conditions.
+#
+# Somewhat strange implementation is due to the following reasons:
+# - ability to support older versions of RabbitMQ which have reached
+# end-of-life with single version of the script
+# - zero dependencies - for older versions this functionality could be
+# implemented as a plugin, but it'll require this plugin installation
+enhanced_list_channels() {
+ # One second less than timeout of su_rabbit_cmd
+ local timeout=$((${TIMEOUT_ARG:-5} - 1))
+
+ su_rabbit_cmd "xargs -0 ${OCF_RESKEY_ctl} eval" <<EOF
+SecondsToCompletion = $timeout,
+
+%% Milliseconds since unix epoch
+Now = fun() ->
+ {Mega, Secs, Micro} = os:timestamp(),
+ Mili = Micro div 1000,
+ Mili + 1000 * (Secs + 1000000 * Mega)
+ end,
+
+%% We shouldn't continue execution past this time
+ShouldEndAt = Now() + SecondsToCompletion * 1000,
+
+%% How many milliseconds we still have
+Timeout = fun() ->
+ case ShouldEndAt - Now() of
+ Past when Past =< 0 ->
+ 0;
+ Timeout ->
+ Timeout
+ end
+ end,
+
+%% Lambda combinator - for defining anonymous recursive functions
+Y = fun(F) ->
+ (fun (X) -> F(fun(Y) -> (X(X))(Y) end) end)(
+ fun (X) -> F(fun(Y) -> (X(X))(Y) end) end)
+ end,
+
+Parent = self(),
+
+ListChannels = Y(fun(Rec) ->
+ fun (({Node, [], OkChannelsCount})) ->
+ Parent ! {Node, ok, OkChannelsCount};
+ ({Node, [Chan|Rest], OkChannelsCount}) ->
+ case catch rpc:call(Node, rabbit_channel, info, [Chan], Timeout()) of
+ Infos when is_list(Infos) ->
+ Rec({Node, Rest, OkChannelsCount + 1});
+ {badrpc, {'EXIT', {noproc, _}}} ->
+ %% Channel became dead before we could request it's status, don't care
+ Rec({Node, Rest, OkChannelsCount});
+ Err ->
+ Parent ! {Node, Err, OkChannelsCount}
+ end
+ end
+ end),
+
+SingleNodeListing = fun(Node) ->
+ case catch rpc:call(Node, pg_local, get_members, [rabbit_channels], Timeout()) of
+ LocalChannels when is_list(LocalChannels) ->
+ ListChannels({Node, LocalChannels, 0});
+ Err ->
+ Parent ! {Node, Err, 0}
+ end
+ end,
+
+AllNodes = rabbit_mnesia:cluster_nodes(running),
+[ spawn(fun() -> SingleNodeListing(Node) end) || Node <- AllNodes ],
+
+WaitForNodes = Y(fun(Rec) ->
+ fun ({[], Acc}) ->
+ Acc;
+ ({RemainingNodes, Acc}) ->
+ receive
+ {Node, _Status, _ChannelCount} = Smth ->
+ RemainingNodes1 = lists:delete(Node, RemainingNodes),
+ Rec({RemainingNodes1, [Smth|Acc]})
+ after Timeout() + 100 ->
+ Acc
+ end
+ end
+ end),
+
+Result = WaitForNodes({AllNodes, []}),
+
+ExpandedResult = [ case lists:keysearch(Node, 1, Result) of
+ {value, NodeResult} ->
+ NodeResult;
+ false ->
+ {Node, no_data_collected, 0}
+ end || Node <- AllNodes ],
+
+ExpandedResult.
+EOF
+}
+
+#######################################################################
+# Join the cluster and return OCF_SUCCESS, if joined.
+# Return 10, if node is trying to join to itself or empty destination.
+# Return OCF_ERR_GENERIC, if cannot join.
+jjj_join () {
+ local join_to="$1"
+ local rc=$OCF_ERR_GENERIC
+ local LH="${LL} jjj_join:"
+
+ my_host ${join_to}
+ rc=$?
+ ocf_log debug "${LH} node='${join_to}' rc='${rc}'"
+
+ # Check whether we are joining to ourselves
+ # or master host is not given
+ if [ $rc -ne 0 ] && [ "${join_to}" ] ; then
+ ocf_log info "${LH} Joining to cluster by node '${join_to}'"
+ join_to_cluster "${join_to}"
+ rc=$?
+ if [ $rc -ne $OCF_SUCCESS ] ; then
+ ocf_log err "${LH} Failed to join the cluster. The mnesia will be reset."
+ reset_mnesia
+ rc=$OCF_ERR_GENERIC
+ fi
+ fi
+ return $rc
+}
+
+action_notify() {
+ local rc_join=$OCF_SUCCESS
+ local rc=$OCF_ERR_GENERIC
+ local rc2=$OCF_ERR_GENERIC
+ local LH="${LL} notify:"
+ local nodelist
+
+ if ocf_is_true "${OCF_RESKEY_debug}"; then
+ d=`date '+%Y%m%d %H:%M:%S'`
+ echo $d >> /tmp/rmq-notify.log
+ env >> /tmp/rmq-notify.log
+ echo "$d [notify] ${OCF_RESKEY_CRM_meta_notify_type}-${OCF_RESKEY_CRM_meta_notify_operation} promote='${OCF_RESKEY_CRM_meta_notify_promote_uname}' demote='${OCF_RESKEY_CRM_meta_notify_demote_uname}' master='${OCF_RESKEY_CRM_meta_notify_master_uname}' slave='${OCF_RESKEY_CRM_meta_notify_slave_uname}' start='${OCF_RESKEY_CRM_meta_notify_start_uname}' stop='${OCF_RESKEY_CRM_meta_notify_stop_uname}' active='${OCF_RESKEY_CRM_meta_notify_active_uname}' inactive='${OCF_RESKEY_CRM_meta_notify_inactive_uname}'" >> /tmp/rmq-ocf.log
+ fi
+
+ if [ "${OCF_RESKEY_CRM_meta_notify_type}" = 'post' ] ; then
+ # POST- anything notify section
+ case "$OCF_RESKEY_CRM_meta_notify_operation" in
+ promote)
+ ocf_log info "${LH} post-promote begin."
+
+ rc=$OCF_SUCCESS
+
+ # Do nothing, if the list of nodes being promoted reported empty.
+ # Delegate recovery, if needed, to the "running out of the cluster" monitor's logic
+ if [ -z "${OCF_RESKEY_CRM_meta_notify_promote_uname}" ] ; then
+ ocf_log warn "${LH} there are no nodes to join to reported on post-promote. Nothing to do."
+
+ elif my_host "${OCF_RESKEY_CRM_meta_notify_promote_uname}"; then
+ ocf_log info "${LH} ignoring post-promote of self"
+
+ elif is_clustered_with "${OCF_RESKEY_CRM_meta_notify_promote_uname}"; then
+ if get_status rabbit; then
+ ocf_log info "${LH} we are already clustered with master - ${OCF_RESKEY_CRM_meta_notify_promote_uname}. Nothing to do."
+ else
+ ocf_log info "${LH} we are already clustered with master - ${OCF_RESKEY_CRM_meta_notify_promote_uname}. We only need to start the app."
+
+ try_to_start_rmq_app
+ rc2=$?
+ update_rabbit_start_time_if_rc $rc2
+ fi
+
+ else
+ # Note, this should fail when the mnesia is inconsistent.
+ # For example, when the "old" master processing the promition of the new one.
+ # Later this ex-master node will rejoin the cluster at post-start.
+ jjj_join "${OCF_RESKEY_CRM_meta_notify_promote_uname}"
+ rc=$?
+ if [ $rc -eq $OCF_ERR_GENERIC ] ; then
+ ocf_log err "${LH} Failed to join the cluster on post-promote. The resource will be restarted."
+ fi
+ fi
+
+ ocf_log info "${LH} post-promote end."
+ return $rc
+ ;;
+ start)
+ ocf_log info "${LH} post-start begin."
+ local nodes_list="${OCF_RESKEY_CRM_meta_notify_start_uname} ${OCF_RESKEY_CRM_meta_notify_active_uname}"
+ # Do nothing, if the list of nodes being started or running reported empty
+ # Delegate recovery, if needed, to the "running out of the cluster" monitor's logic
+ if [ -z "${OCF_RESKEY_CRM_meta_notify_start_uname}" ] && [ -z "${OCF_RESKEY_CRM_meta_notify_active_uname}" ] ; then
+ ocf_log warn "${LH} I'm a last man standing and I must survive!"
+ ocf_log info "${LH} post-start end."
+ return $OCF_SUCCESS
+ fi
+ # check did this event from this host
+ my_host "${nodes_list}"
+ rc=$?
+ # Do nothing, if there is no master reported
+ # Delegate recovery, if needed, to the "running out of the cluster" monitor's logic
+ if [ -z "${OCF_RESKEY_CRM_meta_notify_master_uname}" ] ; then
+ ocf_log warn "${LH} there are no nodes to join to reported on post-start. Nothing to do."
+ ocf_log info "${LH} post-start end."
+ return $OCF_SUCCESS
+ fi
+ if [ $rc -eq $OCF_SUCCESS ] ; then
+ # Now we need to:
+ # a. join to the cluster if we are not joined yet
+ # b. start the RabbitMQ application, which is always
+ # stopped after start action finishes
+ check_need_join_to ${OCF_RESKEY_CRM_meta_notify_master_uname}
+ rc_join=$?
+ if [ $rc_join -eq $OCF_SUCCESS ]; then
+ ocf_log warn "${LH} Going to join node ${OCF_RESKEY_CRM_meta_notify_master_uname}"
+ jjj_join "${OCF_RESKEY_CRM_meta_notify_master_uname}"
+ rc2=$?
+ else
+ ocf_log warn "${LH} We are already clustered with node ${OCF_RESKEY_CRM_meta_notify_master_uname}"
+
+ try_to_start_rmq_app
+ rc2=$?
+ update_rabbit_start_time_if_rc $rc2
+ fi
+ if [ -s "${OCF_RESKEY_definitions_dump_file}" ] ; then
+ ocf_log info "File ${OCF_RESKEY_definitions_dump_file} exists"
+ ocf_run curl --silent --show-error --request POST --user $OCF_RESKEY_admin_user:$OCF_RESKEY_admin_password $OCF_RESKEY_host_ip:15672/api/definitions --header "Content-Type:application/json" --data @$OCF_RESKEY_definitions_dump_file
+ rc=$?
+ if [ $rc -eq $OCF_SUCCESS ] ; then
+ ocf_log info "RMQ definitions have imported succesfully."
+ else
+ ocf_log err "RMQ definitions have not imported."
+ fi
+ fi
+ if [ $rc2 -eq $OCF_ERR_GENERIC ] ; then
+ ocf_log warn "${LH} Failed to join the cluster on post-start. The resource will be restarted."
+ ocf_log info "${LH} post-start end."
+ return $OCF_ERR_GENERIC
+ fi
+ fi
+ ocf_log info "${LH} post-start end."
+ ;;
+ stop)
+ # if rabbitmq-server stops on any another node, we should remove it from cluster (as ordinary operation)
+ ocf_log info "${LH} post-stop begin."
+ # Report not running, if there are no nodes being stopped reported
+ if [ -z "${OCF_RESKEY_CRM_meta_notify_stop_uname}" ] ; then
+ ocf_log warn "${LH} there are no nodes being stopped reported on post-stop. The resource will be restarted."
+ ocf_log info "${LH} post-stop end."
+ return $OCF_ERR_GENERIC
+ fi
+ my_host "${OCF_RESKEY_CRM_meta_notify_stop_uname}"
+ rc=$?
+ if [ $rc -ne $OCF_SUCCESS ] ; then
+ # Wait for synced state first
+ ocf_log info "${LH} waiting $((OCF_RESKEY_stop_time/2)) to sync"
+ wait_sync $((OCF_RESKEY_stop_time/2))
+ # On other nodes processing the post-stop, make sure the stopped node will be forgotten
+ unjoin_nodes_from_cluster "${OCF_RESKEY_CRM_meta_notify_stop_uname}"
+ else
+ # On the nodes being stopped, reset the master score
+ ocf_log info "${LH} resetting the master score."
+ master_score 0
+ fi
+ # always returns OCF_SUCCESS
+ ocf_log info "${LH} post-stop end."
+ ;;
+ *) ;;
+ esac
+ fi
+
+ return $OCF_SUCCESS
+}
+
+
+action_promote() {
+ local rc=$OCF_ERR_GENERIC
+ local LH="${LL} promote:"
+
+ if ocf_is_true "${OCF_RESKEY_debug}"; then
+ d=$(date '+%Y%m%d %H:%M:%S')
+ echo $d >> /tmp/rmq-promote.log
+ env >> /tmp/rmq-promote.log
+ echo "$d [promote] start='${OCF_RESKEY_CRM_meta_notify_start_uname}' stop='${OCF_RESKEY_CRM_meta_notify_stop_uname}' active='${OCF_RESKEY_CRM_meta_notify_active_uname}' inactive='${OCF_RESKEY_CRM_meta_notify_inactive_uname}'" >> /tmp/rmq-ocf.log
+ fi
+
+ ocf_log info "${LH} action begin."
+
+ get_monitor
+ rc=$?
+ ocf_log info "${LH} get_monitor returns ${rc}"
+ case "$rc" in
+ "$OCF_SUCCESS")
+ # Running as slave. Normal, expected behavior.
+ ocf_log info "${LH} Resource is currently running as Slave"
+ # rabbitmqctl start_app if need
+ get_status rabbit
+ rc=$?
+ ocf_log info "${LH} Updating cluster master attribute"
+ ocf_run crm_attribute -N $THIS_PCMK_NODE -l reboot --name 'rabbit-master' --update 'true'
+ if [ $rc -ne $OCF_SUCCESS ] ; then
+ ocf_log info "${LH} RMQ app is not started. Starting..."
+ start_rmq_server_app
+ rc=$?
+ if [ $rc -eq 0 ] ; then
+ try_to_start_rmq_app
+ rc=$?
+ if [ $rc -ne 0 ] ; then
+ ocf_log err "${LH} Can't start RMQ app. Master resource is failed."
+ ocf_log info "${LH} action end."
+ exit $OCF_FAILED_MASTER
+ fi
+
+ [ -f "${OCF_RESKEY_policy_file}" ] && . "${OCF_RESKEY_policy_file}"
+
+ update_rabbit_start_time_if_rc $rc
+
+ ocf_log info "${LH} Checking master status"
+ get_monitor
+ rc=$?
+ ocf_log info "${LH} Master status is $rc"
+ if [ $rc = $OCF_RUNNING_MASTER ]
+ then
+ rc=$OCF_SUCCESS
+ else
+ ocf_log err "${LH} Master resource is failed."
+ ocf_log info "${LH} action end."
+ exit $OCF_FAILED_MASTER
+ fi
+ else
+ ocf_log err "${LH} Can't start RMQ-runtime."
+ rc=$OCF_ERR_GENERIC
+ fi
+ fi
+ return $rc
+ ;;
+ "$OCF_RUNNING_MASTER")
+ # Already a master. Unexpected, but not a problem.
+ ocf_log warn "${LH} Resource is already running as Master"
+ rc=$OCF_SUCCESS
+ ;;
+
+ "$OCF_FAILED_MASTER")
+ # Master failed.
+ ocf_log err "${LH} Master resource is failed and not running"
+ ocf_log info "${LH} action end."
+ exit $OCF_FAILED_MASTER
+ ;;
+
+ "$OCF_NOT_RUNNING")
+ # Currently not running.
+ ocf_log err "${LH} Resource is currently not running"
+ rc=$OCF_NOT_RUNNING
+ ;;
+ *)
+ # Failed resource. Let the cluster manager recover.
+ ocf_log err "${LH} Unexpected error, cannot promote"
+ ocf_log info "${LH} action end."
+ exit $rc
+ ;;
+ esac
+
+ # transform slave RMQ-server to master
+
+ ocf_log info "${LH} action end."
+ return $rc
+}
+
+
+action_demote() {
+ local LH="${LL} demote:"
+ ocf_log info "${LH} action begin."
+ ocf_run crm_attribute -N $THIS_PCMK_NODE -l reboot --name 'rabbit-master' --delete
+ ocf_log info "${LH} action end."
+ return $OCF_SUCCESS
+}
+#######################################################################
+
+case "$1" in
+ meta-data) meta_data
+ exit $OCF_SUCCESS;;
+ usage|help) usage
+ exit $OCF_SUCCESS;;
+esac
+
+rmq_setup_env
+
+# Anything except meta-data and help must pass validation
+action_validate || exit $?
+
+# What kind of method was invoked?
+case "$1" in
+ start) action_start;;
+ stop) action_stop;;
+ status) action_status;;
+ monitor) action_monitor;;
+ validate) action_validate;;
+ promote) action_promote;;
+ demote) action_demote;;
+ notify) action_notify;;
+ validate-all) action_validate;;
+ *) usage;;
+esac
+###