Split pacemaker common check_service function out of _restart.sh

Also split out echo_error function to DRY the error output code and
allow changing the way we report errors in a single place.

Change-Id: I448bf0eb49390f03155335736bb4ab4e979db128
Co-Authored-By: Jiri Stransky <jistr@redhat.com>

1 files changed, 39 insertions, 0 deletions

diff --git a/extraconfig/tasks/pacemaker_common_functions.sh b/extraconfig/tasks/pacemaker_common_functions.sh
new file mode 100755
index 00000000..32d06c4a
--- /dev/null
+++ b/extraconfig/tasks/pacemaker_common_functions.sh
@@ -0,0 +1,39 @@
+#!/bin/bash
+
+set -eu
+
+function check_resource {
+
+  if [ "$#" -ne 3 ]; then
+      echo_error "ERROR: check_resource function expects 3 parameters, $# given"
+      exit 1
+  fi
+
+  service=$1
+  state=$2
+  timeout=$3
+
+  if [ "$state" = "stopped" ]; then
+      match_for_incomplete='Started'
+  else # started
+      match_for_incomplete='Stopped'
+  fi
+
+  if timeout -k 10 $timeout crm_resource --wait; then
+      node_states=$(pcs status --full | grep "$service" | grep -v Clone)
+      if echo "$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 $timeout seconds, exiting."
+      exit 1
+  fi
+
+}
+
+function echo_error {
+    echo "$@" | tee /dev/fd2
+}