List all unhealthy containers

Currently the default Sensu check defined in docker/services/sensu-client.yaml
reports only first unhealthy container. This patch changes the check output
to contain list of all unhealthy containers.

Change-Id: I0a934367ef22984d9091d160ec7105092edc8149
Closes-Bug: #1720972
(cherry picked from commit 9b016c9f3fbe9552497737974b9928d1dff4d299)

diff --git a/docker/services/sensu-client.yaml b/docker/services/sensu-client.yaml
index b64231c..a535af4 100644 (file)
--- a/docker/services/sensu-client.yaml
+++ b/docker/services/sensu-client.yaml
@@ -39,13 +39,17 @@ parameters:
   SensuDockerCheckCommand:
     type: string
     default: |
+      output=''
       for i in $(docker ps --format '{{.ID}}'); do
         if result=$(docker inspect --format='{{.State.Health.Status}}' $i 2>/dev/null); then
           if [ "$result" != 'healthy' ]; then
-            echo "$(docker inspect --format='{{.Name}}' $i) ($i): $(docker inspect --format='{{json .State}}' $i)" && exit 2;
+            output="${output} ; $(docker inspect --format='{{.Name}}' $i) ($i): $(docker inspect --format='{{(index .State.Health.Log 0).Output}}' $i)";
           fi
         fi
       done
+      if [ ! -z "${output}" ]; then
+        echo ${output:3} && exit 2;
+      fi
   SensuDockerCheckInterval:
     type: number
     description: The frequency in seconds the docker health check is executed.