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-rwxr-xr-xkubernetes/consul/resources/config/consul-agent-config/scripts/tabular-db-availability.sh20
1 files changed, 20 insertions, 0 deletions
diff --git a/kubernetes/consul/resources/config/consul-agent-config/scripts/tabular-db-availability.sh b/kubernetes/consul/resources/config/consul-agent-config/scripts/tabular-db-availability.sh
new file mode 100755
index 0000000000..dc7768fc6e
--- /dev/null
+++ b/kubernetes/consul/resources/config/consul-agent-config/scripts/tabular-db-availability.sh
@@ -0,0 +1,20 @@
+
+# Query the Hbase service for the cluster status.
+GET_CLUSTER_STATUS_RESPONSE=$(curl -si -X GET -H "Accept: text/xml" http://hbase.{{ .Values.nsPrefix }}:8080/status/cluster)
+
+if [ -z "$GET_CLUSTER_STATUS_RESPONSE" ]; then
+ echo "Tabular store is unreachable."
+ return 2
+fi
+
+# Check the resulting status JSON to see if there is a 'DeadNodes' stanza with
+# entries.
+DEAD_NODES=$(echo $GET_CLUSTER_STATUS_RESPONSE | grep "<DeadNodes/>")
+
+if [ -n "$DEAD_NODES" ]; then
+ echo "Tabular store is up and accessible."
+ return 0
+else
+ echo "Tabular store is up but is reporting dead nodes - cluster may be in degraded state."
+ return 1
+fi