shutdown-cm.sh

#!/bin/bash
# shutdown.sh
# Cleanly shut down CDH and Cloudera Manager via the REST API
# -----------------------------------------------------------------------

# Cloudera Manager credentials

USERNAME=admin
PASSWORD=admin

# Cloudera Manager connection details

CMHOST=localhost
CMPORT=7180
CMSCHEME=http

# Cluster and service name (URL encoded)

CLUSTER=cluster

# Maximum time (in seconds) before giving up
TIMEOUT=600
# -----------------------------------------------------------------------

# Stop CDH

BASEURL=$CMSCHEME://$CMHOST:$CMPORT

start=`date '+%s'`
curl -s -u "$USERNAME":"$PASSWORD" -X POST \
    "$BASEURL/api/v1/clusters/$CLUSTER/commands/stop" >/dev/null
echo
echo -n Stopping $CLUSTER...

while curl -s -u "$USERNAME":"$PASSWORD" \
        "$BASEURL/api/v1/clusters/$CLUSTER/services/$SERVICE" \
        | grep 'serviceState' | grep -v 'STOPPED' | grep -q 'serviceState' ; do

    now=`date '+%s'`
    if [ $(($now - $start)) -gt $TIMEOUT ] ; then
        echo timed out after $TIMEOUT seconds
        exit 1
    fi
    echo -n .

    sleep 5
done
echo done

# Stop CM services

start=`date '+%s'`
curl -s -u "$USERNAME":"$PASSWORD" -X POST \
    "$BASEURL/api/v1/cm/service/commands/stop" >/dev/null
echo
echo -n Stopping CM services...

while ! curl -s -u "$USERNAME":"$PASSWORD" \
        "$BASEURL/api/v1/cm/service" \
        | grep 'serviceState' | grep -q 'STOPPED' ; do

    now=`date '+%s'`
    if [ $(($now - $start)) -gt $TIMEOUT ] ; then
        echo timed out after $TIMEOUT seconds
        exit 1
    fi
    echo -n .

    sleep 5
done
echo done

echo
echo Shutting down all nodes with shutdown -h...
for i in `seq 12 16` 11 ; do
    ssh 192.168.0.$i shutdown -h now
done