devstack_custom/exercise.sh

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#!/usr/bin/env bash
# **exercise.sh** - using the cloud can be fun
# we will use the ``nova`` cli tool provided by the ``python-novaclient``
# package
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#
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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.
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.
set -o xtrace
# Settings
# ========
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# Use openrc + stackrc + localrc for settings
source ./openrc
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# Get a token for clients that don't support service catalog
# ==========================================================
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# manually create a token by querying keystone (sending JSON data). Keystone
# returns a token and catalog of endpoints. We use python to parse the token
# and save it.
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TOKEN=`curl -s -d "{\"auth\":{\"passwordCredentials\": {\"username\": \"$NOVA_USERNAME\", \"password\": \"$NOVA_API_KEY\"}}}" -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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# List servers for tenant:
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nova list
# Images
# ------
# Nova has a **deprecated** way of listing images.
nova image-list
# But we recommend using glance directly
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glance -A $TOKEN index
# Let's grab the id of the first AMI image to launch
IMAGE=`glance -A $TOKEN index | egrep ami | cut -d" " -f1`
# Security Groups
# ---------------
SECGROUP=test_secgroup
# List of secgroups:
nova secgroup-list
# Create a secgroup
nova secgroup-create $SECGROUP "test_secgroup description"
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# determine flavor
# ----------------
# List of flavors:
nova flavor-list
# and grab the first flavor in the list to launch
FLAVOR=`nova flavor-list | head -n 4 | tail -n 1 | cut -d"|" -f2`
NAME="myserver"
nova boot --flavor $FLAVOR --image $IMAGE $NAME --security_groups=$SECGROUP
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# Testing
# =======
# First check if it spins up (becomes active and responds to ping on
# internal ip). If you run this script from a nova node, you should
# bypass security groups and have direct access to the server.
# Waiting for boot
# ----------------
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# Max time to wait while vm goes from build to active state
ACTIVE_TIMEOUT=${ACTIVE_TIMEOUT:-10}
# Max time till the vm is bootable
BOOT_TIMEOUT=${BOOT_TIMEOUT:-15}
# Max time to wait for proper association and dis-association.
ASSOCIATE_TIMEOUT=${ASSOCIATE_TIMEOUT:-10}
# check that the status is active within ACTIVE_TIMEOUT seconds
if ! timeout $ACTIVE_TIMEOUT sh -c "while ! nova show $NAME | grep status | grep -q ACTIVE; do sleep 1; done"; then
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echo "server didn't become active!"
exit 1
fi
# get the IP of the server
IP=`nova show $NAME | grep "private network" | cut -d"|" -f3`
# for single node deployments, we can ping private ips
MULTI_HOST=${MULTI_HOST:-0}
if [ "$MULTI_HOST" = "0" ]; then
# 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
# timeout of a second for each ping.
if ! timeout $BOOT_TIMEOUT sh -c "while ! ping -c1 -w1 $IP; do sleep 1; done"; then
echo "Couldn't ping server"
exit 1
fi
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else
# On a multi-host system, without vm net access, do a sleep to wait for the boot
sleep $BOOT_TIMEOUT
fi
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# Security Groups & Floating IPs
# ------------------------------
# allow icmp traffic (ping)
nova secgroup-add-rule $SECGROUP icmp -1 -1 0.0.0.0/0
# List rules for a secgroup
nova secgroup-list-rules $SECGROUP
# allocate a floating ip
nova floating-ip-create
# store floating address
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FLOATING_IP=`nova floating-ip-list | grep None | head -1 | cut -d '|' -f2 | sed 's/ //g'`
# add floating ip to our server
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nova add-floating-ip $NAME $FLOATING_IP
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# test we can ping our floating ip within ASSOCIATE_TIMEOUT seconds
if ! timeout $ASSOCIATE_TIMEOUT sh -c "while ! ping -c1 -w1 $FLOATING_IP; do sleep 1; done"; then
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echo "Couldn't ping server with floating ip"
exit 1
fi
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# pause the VM and verify we can't ping it anymore
nova pause $NAME
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sleep 2
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if ( ping -c1 -w1 $IP); then
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echo "Pause failure - ping shouldn't work"
exit 1
fi
if ( ping -c1 -w1 $FLOATING_IP); then
echo "Pause failure - ping floating ips shouldn't work"
exit 1
fi
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# unpause the VM and verify we can ping it again
nova unpause $NAME
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sleep 2
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ping -c1 -w1 $IP
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# dis-allow icmp traffic (ping)
nova secgroup-delete-rule $SECGROUP icmp -1 -1 0.0.0.0/0
# FIXME (anthony): make xs support security groups
if [ "$VIRT_DRIVER" != "xenserver"]; then
# test we can aren't able to ping our floating ip within ASSOCIATE_TIMEOUT seconds
if ! timeout $ASSOCIATE_TIMEOUT sh -c "while ping -c1 -w1 $FLOATING_IP; do sleep 1; done"; then
print "Security group failure - ping should not be allowed!"
echo "Couldn't ping server with floating ip"
exit 1
fi
fi
# de-allocate the floating ip
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nova floating-ip-delete $FLOATING_IP
# shutdown the server
nova delete $NAME
# Delete a secgroup
nova secgroup-delete $SECGROUP
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# FIXME: validate shutdown within 5 seconds
# (nova show $NAME returns 1 or status != ACTIVE)?
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# Testing Euca2ools
# ==================
# make sure that we can describe instances
euca-describe-instances
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if [[ "$ENABLED_SERVICES" =~ "swift" ]]; then
# Testing Swift
# =============
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# Check if we have to swift via keystone
swift --auth-version 2 -A http://${HOST_IP}:5000/v2.0 -U admin -K $ADMIN_PASSWORD stat
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# We start by creating a test container
swift --auth-version 2 -A http://${HOST_IP}:5000/v2.0 -U admin -K $ADMIN_PASSWORD post testcontainer
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# add some files into it.
swift --auth-version 2 -A http://${HOST_IP}:5000/v2.0 -U admin -K $ADMIN_PASSWORD upload testcontainer /etc/issue
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# list them
swift --auth-version 2 -A http://${HOST_IP}:5000/v2.0 -U admin -K $ADMIN_PASSWORD list testcontainer
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# And we may want to delete them now that we have tested that
# everything works.
swift --auth-version 2 -A http://${HOST_IP}:5000/v2.0 -U admin -K $ADMIN_PASSWORD delete testcontainer
fi