Script shows operational values of OCP ElasticSearch within the Logging stack

ocp_ela_check.sh

#!/bin/bash

echo "Switching to openshift-logging project"
oc project openshift-logging
echo

echo "### Pods ###"
oc get pods -owide|grep elasticsearch-c
echo


# fetch one ELA pod to run queries against
es_pod=$(oc get pod --selector=component=elasticsearch --no-headers -o jsonpath='{range .items[?(@.status.phase=="Running")]}{.metadata.name}{"\n"}{end}' | head -n1)



echo "### Health ###"
oc exec -c elasticsearch $es_pod -- es_util --query=_cat/health?v
echo

echo "### Nodes ###"
oc exec -c elasticsearch $es_pod -- es_util --query=_cat/nodes?v
echo

echo "### Utilization ###"
oc exec -c elasticsearch $es_pod -- curl -s --key /etc/elasticsearch/secret/admin-key --cert /etc/elasticsearch/secret/admin-cert --cacert /etc/elasticsearch/secret/admin-ca https://localhost:9200/_cat/allocation?v
echo

echo "### Unassigned Shards ###"
oc exec -c elasticsearch $es_pod -- es_util --query=_cat/shards?h=index,shard,prirep,state,unassigned.reason,node | grep UNASSIGNED
echo

echo "### Indices ###"
oc exec -c elasticsearch $es_pod -- es_util --query=_cat/indices?s=store.size:desc,index:asc
echo

echo "### ES Status ###"
oc exec -n openshift-logging -c elasticsearch $es_pod -- curl -s -k --cert /etc/elasticsearch/secret/admin-cert --key /etc/elasticsearch/secret/admin-key https://localhost:9200/_cat/thread_pool?v\&h=name,host,completed,active,queue,rejected
echo

echo "### Allocation ###"
oc exec -c elasticsearch $es_pod  -- es_util --query=_cluster/allocation/explain?pretty
echo

echo "### Shards ###"
oc exec $es_pod -- curl -s --key /etc/elasticsearch/secret/admin-key --cert /etc/elasticsearch/secret/admin-cert --cacert /etc/elasticsearch/secret/admin-ca https://localhost:9200/_cat/shards?v
echo

echo "### Pending Tasks ###"
oc exec -c elasticsearch $es_pod -- curl -s --key /etc/elasticsearch/secret/admin-key --cert /etc/elasticsearch/secret/admin-cert --cacert /etc/elasticsearch/secret/admin-ca https://localhost:9200/_cluster/pending_tasks
echo

echo "### Recovery ###"
oc exec -c elasticsearch $es_pod -- curl -s --key /etc/elasticsearch/secret/admin-key --cert /etc/elasticsearch/secret/admin-cert --cacert /etc/elasticsearch/secret/admin-ca https://localhost:9200/_cat/recovery?v
echo

echo "### Thread Pool ###"
oc exec -c elasticsearch $es_pod -- curl -s --key /etc/elasticsearch/secret/admin-key --cert /etc/elasticsearch/secret/admin-cert --cacert /etc/elasticsearch/secret/admin-ca https://localhost:9200/_cat/thread_pool?v\&h=host,bulk.completed,bulk.rejected,bulk.queue,bulk.active,bulk.queueSize
echo