Elasticsearch: Manually verify snapshot repositories

This updates the script for registering snapshot repositories to
include a manual verification of the repositories created. This
simply allows for inspection of all master and data nodes the
repository is verified with to provide additional visibility into
the state of all repositories

Change-Id: I6e5386386e2b79b1cb0f41fc1f9b78817695f8f3
Signed-off-by: Steve Wilkerson <sw5822@att.com>

elasticsearch/templates/bin/_register-repository.sh.tpl

@@ -46,6 +46,11 @@ function register_snapshot_repository() {
   fi
 }
 
+function verify_snapshot_repository() {
+  curl -K- <<< "--user ${ELASTICSEARCH_USERNAME}:${ELASTICSEARCH_PASSWORD}" \
+    -XPOST "${ELASTICSEARCH_HOST}/_snapshot/$1/_verify"
+}
+
 # Get names of all current snapshot repositories
 snapshot_repos=$(curl -K- <<< "--user ${ELASTICSEARCH_USERNAME}:${ELASTICSEARCH_PASSWORD}" \
   "${ELASTICSEARCH_HOST}"/_cat/repositories?format=json | jq -r '.[].id')
@@ -56,5 +61,6 @@ if contains "$snapshot_repos" {{$repository.name}}; then
   echo "Snapshot repository {{$repository.name}} exists!"
 else
   register_snapshot_repository {{$repository.name}}
+  verify_snapshot_repository {{$repository.name}}
 fi
 {{ end }}