cluster_metrics.curl

#!/usr/bin/env bash

### Step 1 - Read in global variables
GLOBAL_VARS=$(dirname $0)/global.vars
eval "$(jq -r '. | to_entries | .[] | .key + "=\"" + .value + "\""' < $GLOBAL_VARS)"


### Step 2 - Create HTTP headers
TOKEN=$(echo -n "$PRI_CLU_USER:$PRI_CLU_PASS" | base64)
HEAD_AUTH="authorization: Basic $TOKEN"
HEAD_APP="accept: application/hal+json"


### Step 3 - Get & print details
# Cluster Metrics
API="https://$PRI_CLU/api/cluster/metrics?fields=*"
echo -e "--> calling $API"
REST_RESPONSE=`curl -s \
  -H "$HEAD_APP" -H "$HEAD_AUTH" -X GET "$API"`

echo -e "--> Printing Cluster Metrics"
printf "%-20s %-15s %-10s %-30s\n" "Throughput" "IOPS" "Latency"
echo -e $REST_RESPONSE | jq -r '.records[1] | [.throughput.total, .iops.total, .latency.total] | @tsv' |
  while IFS=$'\t' read -r Throughput IOPS Latency; do
    printf "%-20s %-15s %-15s\n" $Throughput $IOPS $Latency
  done
echo -e ""