Add volume.sh exercise
Change-Id: Ic339c34c85493d21f9fbf5280bb5ff1660644f98
This commit is contained in:
Dean Troyer
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160
exercises/volumes.sh
Executable file
160
exercises/volumes.sh
Executable file
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#!/usr/bin/env bash
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# Test nova volumes with the nova command from python-novaclient
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# This script exits on an error so that errors don't compound and you see
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# only the first error that occured.
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set -o errexit
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# Print the commands being run so that we can see the command that triggers
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# an error. It is also useful for following allowing as the install occurs.
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set -o xtrace
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# Settings
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# ========
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# Use openrc + stackrc + localrc for settings
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pushd $(cd $(dirname "$0")/.. && pwd)
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source ./openrc
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popd
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# Get a token for clients that don't support service catalog
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# ==========================================================
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# manually create a token by querying keystone (sending JSON data). Keystone
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# returns a token and catalog of endpoints. We use python to parse the token
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# and save it.
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TOKEN=`curl -s -d "{\"auth\":{\"passwordCredentials\": {\"username\": \"$NOVA_USERNAME\", \"password\": \"$NOVA_PASSWORD\"}}}" -H "Content-type: application/json" http://$HOST_IP:5000/v2.0/tokens | python -c "import sys; import json; tok = json.loads(sys.stdin.read()); print tok['access']['token']['id'];"`
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# Launching a server
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# ==================
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# List servers for tenant:
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nova list
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# Images
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# ------
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# Nova has a **deprecated** way of listing images.
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nova image-list
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# But we recommend using glance directly
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glance -A $TOKEN index
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# Let's grab the id of the first AMI image to launch
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IMAGE=`glance -A $TOKEN index | egrep ami | head -1 | cut -d" " -f1`
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# determinine instance type
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# -------------------------
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# List of instance types:
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nova flavor-list
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INSTANCE_NAME=${DEFAULT_INSTANCE_TYPE:-m1.tiny}
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INSTANCE_TYPE=`nova flavor-list | grep $INSTANCE_NAME | cut -d"|" -f2`
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if [[ -z "`nova flavor-list | grep $INSTANCE_NAME | cut -d"|" -f2`" ]]; then
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# and grab the first flavor in the list to launch
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INSTANCE_TYPE=`nova flavor-list | head -n 4 | tail -n 1 | cut -d"|" -f2`
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fi
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NAME="myserver"
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VM_UUID=`nova boot --flavor $INSTANCE_TYPE --image $IMAGE $NAME --security_groups=$SECGROUP | grep ' id ' | cut -d"|" -f3 | sed 's/ //g'`
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# Testing
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# =======
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# First check if it spins up (becomes active and responds to ping on
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# internal ip). If you run this script from a nova node, you should
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# bypass security groups and have direct access to the server.
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# Waiting for boot
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# ----------------
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# Max time to wait while vm goes from build to active state
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ACTIVE_TIMEOUT=${ACTIVE_TIMEOUT:-30}
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# Max time till the vm is bootable
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BOOT_TIMEOUT=${BOOT_TIMEOUT:-15}
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# Max time to wait for proper association and dis-association.
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ASSOCIATE_TIMEOUT=${ASSOCIATE_TIMEOUT:-10}
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# check that the status is active within ACTIVE_TIMEOUT seconds
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if ! timeout $BOOT_TIMEOUT sh -c "while ! nova show $VM_UUID | grep status | grep -q ACTIVE; do sleep 1; done"; then
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echo "server didn't become active!"
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exit 1
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fi
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# get the IP of the server
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IP=`nova show $VM_UUID | grep "private network" | cut -d"|" -f3`
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#VM_UUID=`nova list | grep $NAME | head -1 | cut -d'|' -f2 | sed 's/ //g'`
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# for single node deployments, we can ping private ips
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MULTI_HOST=${MULTI_HOST:-0}
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if [ "$MULTI_HOST" = "0" ]; then
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# sometimes the first ping fails (10 seconds isn't enough time for the VM's
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# network to respond?), so let's ping for a default of 15 seconds with a
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# timeout of a second for each ping.
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if ! timeout $BOOT_TIMEOUT sh -c "while ! ping -c1 -w1 $IP; do sleep 1; done"; then
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echo "Couldn't ping server"
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exit 1
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fi
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else
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# On a multi-host system, without vm net access, do a sleep to wait for the boot
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sleep $BOOT_TIMEOUT
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fi
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# Volumes
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# -------
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VOL_NAME="myvol-$(openssl rand -hex 4)"
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# Verify it doesn't exist
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if [[ -n "`nova volume-list | grep $VOL_NAME | head -1 | cut -d'|' -f3 | sed 's/ //g'`" ]]; then
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echo "Volume $VOL_NAME already exists"
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exit 1
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fi
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# Create a new volume
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nova volume-create --display_name $VOL_NAME --display_description "test volume: $VOL_NAME" 1
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if ! timeout $ACTIVE_TIMEOUT sh -c "while ! nova volume-list | grep $VOL_NAME | grep available; do sleep 1; done"; then
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echo "Volume $VOL_NAME not created"
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exit 1
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fi
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# Get volume ID
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VOL_ID=`nova volume-list | grep $VOL_NAME | head -1 | cut -d'|' -f2 | sed 's/ //g'`
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# Attach to server
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DEVICE=/dev/vdb
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nova volume-attach $VM_UUID $VOL_ID $DEVICE
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if ! timeout $ACTIVE_TIMEOUT sh -c "while ! nova volume-list | grep $VOL_NAME | grep in-use; do sleep 1; done"; then
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echo "Volume $VOL_NAME not attached to $NAME"
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exit 1
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fi
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VOL_ATTACH=`nova volume-list | grep $VOL_NAME | head -1 | cut -d'|' -f6 | sed 's/ //g'`
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if [[ "$VOL_ATTACH" != $VM_UUID ]]; then
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echo "Volume not attached to correct instance"
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exit 1
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fi
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# Detach volume
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nova volume-detach $VM_UUID $VOL_ID
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if ! timeout $ACTIVE_TIMEOUT sh -c "while ! nova volume-list | grep $VOL_NAME | grep available; do sleep 1; done"; then
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echo "Volume $VOL_NAME not detached from $NAME"
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exit 1
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fi
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# Delete volume
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nova volume-delete $VOL_ID
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if ! timeout $ACTIVE_TIMEOUT sh -c "while ! nova volume-list | grep $VOL_NAME; do sleep 1; done"; then
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echo "Volume $VOL_NAME not deleted"
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exit 1
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fi
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# shutdown the server
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nova delete $NAME
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