diff options
Diffstat (limited to 'extraconfig/tasks/pacemaker_common_functions.sh')
| -rwxr-xr-x | extraconfig/tasks/pacemaker_common_functions.sh | 281 |
1 files changed, 259 insertions, 22 deletions
diff --git a/extraconfig/tasks/pacemaker_common_functions.sh b/extraconfig/tasks/pacemaker_common_functions.sh index 7d794c97..4f17b69a 100755 --- a/extraconfig/tasks/pacemaker_common_functions.sh +++ b/extraconfig/tasks/pacemaker_common_functions.sh @@ -2,51 +2,286 @@ set -eu -function check_resource { +DEBUG="true" # set false if the verbosity is a problem +SCRIPT_NAME=$(basename $0) +function log_debug { + if [[ $DEBUG = "true" ]]; then + echo "`date` $SCRIPT_NAME tripleo-upgrade $(facter hostname) $1" + fi +} + +function is_bootstrap_node { + if [ "$(hiera -c /etc/puppet/hiera.yaml bootstrap_nodeid)" = "$(facter hostname)" ]; then + log_debug "Node is bootstrap" + echo "true" + fi +} +function check_resource_pacemaker { if [ "$#" -ne 3 ]; then - echo_error "ERROR: check_resource function expects 3 parameters, $# given" - exit 1 + echo_error "ERROR: check_resource function expects 3 parameters, $# given" + exit 1 fi - service=$1 - state=$2 - timeout=$3 + local service=$1 + local state=$2 + local timeout=$3 + + if [[ -z $(is_bootstrap_node) ]] ; then + log_debug "Node isn't bootstrap, skipping check for $service to be $state here " + return + else + log_debug "Node is bootstrap checking $service to be $state here" + fi if [ "$state" = "stopped" ]; then - match_for_incomplete='Started' + match_for_incomplete='Started' else # started - match_for_incomplete='Stopped' + match_for_incomplete='Stopped' fi nodes_local=$(pcs status | grep ^Online | sed 's/.*\[ \(.*\) \]/\1/g' | sed 's/ /\|/g') if timeout -k 10 $timeout crm_resource --wait; then - node_states=$(pcs status --full | grep "$service" | grep -v Clone | { egrep "$nodes_local" || true; } ) - if echo "$node_states" | grep -q "$match_for_incomplete"; then - echo_error "ERROR: cluster finished transition but $service was not in $state state, exiting." - exit 1 - else - echo "$service has $state" - fi - else - echo_error "ERROR: cluster remained unstable for more than $timeout seconds, exiting." + node_states=$(pcs status --full | grep "$service" | grep -v Clone | { egrep "$nodes_local" || true; } ) + if echo "$node_states" | grep -q "$match_for_incomplete"; then + echo_error "ERROR: cluster finished transition but $service was not in $state state, exiting." exit 1 + else + echo "$service has $state" + fi + else + echo_error "ERROR: cluster remained unstable for more than $timeout seconds, exiting." + exit 1 + fi + +} + +function pcmk_running { + if [[ $(systemctl is-active pacemaker) = "active" ]] ; then + echo "true" + fi +} + +function is_systemd_unknown { + local service=$1 + if [[ $(systemctl is-active "$service") = "unknown" ]]; then + log_debug "$service found to be unkown to systemd" + echo "true" + fi +} + +function grep_is_cluster_controlled { + local service=$1 + if [[ -n $(systemctl status $service -l | grep Drop-In -A 5 | grep pacemaker) || + -n $(systemctl status $service -l | grep "Cluster Controlled $service") ]] ; then + log_debug "$service is pcmk managed from systemctl grep" + echo "true" + fi +} + + +function is_systemd_managed { + local service=$1 + #if we have pcmk check to see if it is managed there + if [[ -n $(pcmk_running) ]]; then + if [[ -z $(pcs status --full | grep $service) && -z $(is_systemd_unknown $service) ]] ; then + log_debug "$service found to be systemd managed from pcs status" + echo "true" + fi + else + # if it is "unknown" to systemd, then it is pacemaker managed + if [[ -n $(is_systemd_unknown $service) ]] ; then + return + elif [[ -z $(grep_is_cluster_controlled $service) ]] ; then + echo "true" + fi + fi +} + +function is_pacemaker_managed { + local service=$1 + #if we have pcmk check to see if it is managed there + if [[ -n $(pcmk_running) ]]; then + if [[ -n $(pcs status --full | grep $service) ]]; then + log_debug "$service found to be pcmk managed from pcs status" + echo "true" + fi + else + # if it is unknown to systemd, then it is pcmk managed + if [[ -n $(is_systemd_unknown $service) ]]; then + echo "true" + elif [[ -n $(grep_is_cluster_controlled $service) ]] ; then + echo "true" + fi + fi +} + +function is_managed { + local service=$1 + if [[ -n $(is_pacemaker_managed $service) || -n $(is_systemd_managed $service) ]]; then + echo "true" + fi +} + +function check_resource_systemd { + + if [ "$#" -ne 3 ]; then + echo_error "ERROR: check_resource function expects 3 parameters, $# given" + exit 1 fi + local service=$1 + local state=$2 + local timeout=$3 + local check_interval=3 + + if [ "$state" = "stopped" ]; then + match_for_incomplete='active' + else # started + match_for_incomplete='inactive' + fi + + log_debug "Going to check_resource_systemd for $service to be $state" + + #sanity check is systemd managed: + if [[ -z $(is_systemd_managed $service) ]]; then + echo "ERROR - $service not found to be systemd managed." + exit 1 + fi + + tstart=$(date +%s) + tend=$(( $tstart + $timeout )) + while (( $(date +%s) < $tend )); do + if [[ "$(systemctl is-active $service)" = $match_for_incomplete ]]; then + echo "$service not yet $state, sleeping $check_interval seconds." + sleep $check_interval + else + echo "$service is $state" + return + fi + done + + echo "Timed out waiting for $service to go to $state after $timeout seconds" + exit 1 +} + + +function check_resource { + local service=$1 + local pcmk_managed=$(is_pacemaker_managed $service) + local systemd_managed=$(is_systemd_managed $service) + + if [[ -n $pcmk_managed && -n $systemd_managed ]] ; then + log_debug "ERROR $service managed by both systemd and pcmk - SKIPPING" + return + fi + + if [[ -n $pcmk_managed ]]; then + check_resource_pacemaker $@ + return + elif [[ -n $systemd_managed ]]; then + check_resource_systemd $@ + return + fi + log_debug "ERROR cannot check_resource for $service, not managed here?" +} + +function manage_systemd_service { + local action=$1 + local service=$2 + log_debug "Going to systemctl $action $service" + systemctl $action $service +} + +function manage_pacemaker_service { + local action=$1 + local service=$2 + # not if pacemaker isn't running! + if [[ -z $(pcmk_running) ]]; then + echo "$(facter hostname) pacemaker not active, skipping $action $service here" + elif [[ -n $(is_bootstrap_node) ]]; then + log_debug "Going to pcs resource $action $service" + pcs resource $action $service + fi +} + +function stop_or_disable_service { + local service=$1 + local pcmk_managed=$(is_pacemaker_managed $service) + local systemd_managed=$(is_systemd_managed $service) + + if [[ -n $pcmk_managed && -n $systemd_managed ]] ; then + log_debug "Skipping stop_or_disable $service due to management conflict" + return + fi + + log_debug "Stopping or disabling $service" + if [[ -n $pcmk_managed ]]; then + manage_pacemaker_service disable $service + return + elif [[ -n $systemd_managed ]]; then + manage_systemd_service stop $service + return + fi + log_debug "ERROR: $service not managed here?" +} + +function start_or_enable_service { + local service=$1 + local pcmk_managed=$(is_pacemaker_managed $service) + local systemd_managed=$(is_systemd_managed $service) + + if [[ -n $pcmk_managed && -n $systemd_managed ]] ; then + log_debug "Skipping start_or_enable $service due to management conflict" + return + fi + + log_debug "Starting or enabling $service" + if [[ -n $pcmk_managed ]]; then + manage_pacemaker_service enable $service + return + elif [[ -n $systemd_managed ]]; then + manage_systemd_service start $service + return + fi + log_debug "ERROR $service not managed here?" +} + +function restart_service { + local service=$1 + local pcmk_managed=$(is_pacemaker_managed $service) + local systemd_managed=$(is_systemd_managed $service) + + if [[ -n $pcmk_managed && -n $systemd_managed ]] ; then + log_debug "ERROR $service managed by both systemd and pcmk - SKIPPING" + return + fi + + log_debug "Restarting $service" + if [[ -n $pcmk_managed ]]; then + manage_pacemaker_service restart $service + return + elif [[ -n $systemd_managed ]]; then + manage_systemd_service restart $service + return + fi + log_debug "ERROR $service not managed here?" } function echo_error { echo "$@" | tee /dev/fd2 } +# swift is a special case because it is/was never handled by pacemaker +# when stand-alone swift is used, only swift-proxy is running on controllers function systemctl_swift { services=( openstack-swift-account-auditor openstack-swift-account-reaper openstack-swift-account-replicator openstack-swift-account \ openstack-swift-container-auditor openstack-swift-container-replicator openstack-swift-container-updater openstack-swift-container \ openstack-swift-object-auditor openstack-swift-object-replicator openstack-swift-object-updater openstack-swift-object openstack-swift-proxy ) - action=$1 + local action=$1 case $action in stop) - services=$(systemctl | grep swift | grep running | awk '{print $1}') + services=$(systemctl | grep openstack-swift- | grep running | awk '{print $1}') ;; start) enable_swift_storage=$(hiera -c /etc/puppet/hiera.yaml 'enable_swift_storage') @@ -54,9 +289,11 @@ function systemctl_swift { services=( openstack-swift-proxy ) fi ;; - *) services=() ;; # for safetly, should never happen + *) echo "Unknown action $action passed to systemctl_swift" + exit 1 + ;; # shouldn't ever happen... esac - for S in ${services[@]}; do - systemctl $action $S + for service in ${services[@]}; do + manage_systemd_service $action $service done } |