Spin up test VMs on GCE during a circle ci run and use them to run the integration tests.

This commit is contained in:
Tom Wilkie committed 2015-05-06 14:01:41 +00:00
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#!/bin/bash
set -eu
# openssl enc -in do-setup-circleci-secrets.orig -out setup-circleci-secrets.orig -e -aes256 -pass stdin
# openssl base64 < setup-circleci-secrets.orig
openssl base64 -d << EOF \
| openssl enc \
-out bin/do-setup-circleci-secrets \
-d -aes256 -pass pass:$1
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EOF
exec sh bin/do-setup-circleci-secrets
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general:
machine:
services:
- docker
environment:
GOPATH: /home/ubuntu:$GOPATH
SRCDIR: /home/ubuntu/src/github.com/weaveworks/weave
PATH: $PATH:$HOME/.local/bin:$HOME/google-cloud-sdk/bin/
CLOUDSDK_CORE_DISABLE_PROMPTS: 1
dependencies:
post:
- docker build -t weaveworks/weave-build build
- pip install --user --upgrade gcloud gsutil
- curl https://sdk.cloud.google.com | bash
- bin/setup-circleci-secrets "$SECRET_PASSWORD"
test:
pre:
- ls -al /var/run/docker.sock
- mkdir -p $(dirname $SRCDIR)
- cp -r $(pwd)/ $SRCDIR
override:
- docker run -v /var/run/docker.sock:/run/docker.sock -v /home/ubuntu:/home/go weaveworks/weave-build
- cd $SRCDIR/test; ./gce.sh setup
- cd $SRCDIR/test; . ./gce.sh hosts; ./setup.sh
- cd $SRCDIR/test; . ./gce.sh hosts; ./run_all.sh
post:
- cd $SRCDIR/test; ./gce.sh destroy
Executable
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#!/bin/bash
# This script has a bunch of GCE-related functions:
# ./gce.sh setup - starts two VMs on GCE and configures them to run our integration tests
# . ./gce.sh; ./run_all.sh - set a bunch of environment variables for the tests
# ./gce.sh destroy - tear down the VMs
set -ex
KEY_FILE=/tmp/gce_private_key.json
SSH_KEY_FILE=$HOME/.ssh/gce_ssh_key
PROJECT=positive-cocoa-90213
IMAGE=ubuntu-14-04
ZONE=us-central1-a
NUM_HOSTS=2
# Setup authentication
gcloud auth activate-service-account --key-file $KEY_FILE
gcloud config set project $PROJECT
# Delete all vms in this account
function destroy {
names="$(gcloud compute instances list --format=yaml | grep "^name\:" | cut -d: -f2 | xargs echo)"
if [ -n "$names" ]; then
gcloud compute instances delete --zone $ZONE -q $names
fi
}
function external_ip {
gcloud compute instances list $1 --format=yaml | grep "^ natIP\:" | cut -d: -f2 | tr -d ' '
}
function internal_ip {
gcloud compute instances list $1 --format=yaml | grep "^ networkIP\:" | cut -d: -f2 | tr -d ' '
}
function install_docker_on {
name=$1
ssh -t $name sudo bash -x -s <<EOF
apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 36A1D7869245C8950F966E92D8576A8BA88D21E9;
echo deb https://get.docker.io/ubuntu docker main > /etc/apt/sources.list.d/docker.list;
apt-get update -qq;
apt-get install -q -y --force-yes --no-install-recommends lxc-docker ethtool;
usermod -a -G docker vagrant;
echo 'DOCKER_OPTS="-H unix:///var/run/docker.sock -H tcp://0.0.0.0:2375"' >> /etc/default/docker;
service docker restart
EOF
# It seems we need a short delay for docker to start up, so I put this in
# a separate ssh connection. This installs nsenter.
ssh -t $name sudo docker run --rm -v /usr/local/bin:/target jpetazzo/nsenter
}
# Create new set of VMS
function setup {
destroy
# Create and setup some VMs
for i in $(seq 1 $NUM_HOSTS); do
name="host$i"
gcloud compute instances create $name --image $IMAGE --zone $ZONE
done
gcloud compute config-ssh --ssh-key-file $SSH_KEY_FILE
hosts=
for i in $(seq 1 $NUM_HOSTS); do
name="host$i.$ZONE.$PROJECT"
install_docker_on $name
# Add the remote ip to the local /etc/hosts
sudo -- sh -c "echo \"$(external_ip host$i) $name\" >>/etc/hosts"
# Add the local ips to the remote /etc/hosts
for j in $(seq 1 $NUM_HOSTS); do
ipaddr=$(internal_ip host$j)
othername="host$j.$ZONE.$PROJECT"
entry="$ipaddr $othername"
ssh -t $name "sudo -- sh -c \"echo \\\"$entry\\\" >>/etc/hosts\""
done
done
}
function hosts {
hosts=
args=
for i in $(seq 1 $NUM_HOSTS); do
name="host$i.$ZONE.$PROJECT"
hosts="$name $hosts"
args="--add-host=$name:$(internal_ip host$i) $args"
done
export SSH=ssh
export HOSTS="$hosts"
export WEAVE_DOCKER_ARGS="$args"
}
case "$1" in
setup)
setup
;;
hosts)
hosts
;;
destroy)
destroy
;;
esac