CI Automation with UCP

1_create_client_bundle.sh

#!/bin/bash

# create directory for bundle in persistent storage
cd /var/lib/jenkins
mkdir ucp-bundle
cd ucp-bundle

set -e

# set variables for getting client bundle
USERNAME="username"
PASSWORD="password"
UCP_FQDN="ucp.example.com"

# get auth token
echo -n "Retrieving auth token..."
AUTH_TOKEN="$(curl -sk -d '{"username":"'${USERNAME}'","password":"'${PASSWORD}'"}' https://${UCP_FQDN}/auth/login | jq -r .auth_token 2>/dev/null)"

# check to make sure we got a token
if [ -z "${AUTH_TOKEN}" ]
then
  echo -e "error\nError connecting to ${UCP_FQDN}"
  return 1
fi
echo "done"

# download the client bundle
echo -n "Downloading client bundle for ${USERNAME}..."
curl -sk -H "Authorization: Bearer ${AUTH_TOKEN}" https://${UCP_FQDN}/api/clientbundle -o bundle.zip
echo "done"

# extract client bundle
unzip bundle.zip

# show the extracted client bundle
ls -l

2_deploy_docker_service.sh

#!/bin/bash

# ^ we need to run using bash as the shell interpreter to be able to source the client bundle

set -e
set -x

# load client bundle from UCP
cd /var/lib/jenkins/ucp-bundle
eval $(<env.sh)

# go back to my jenkins workspace directory
cd ${WORKSPACE}

# update or create a docker service
if [ "$(docker service ls -f name=docker-demo-webapp | grep -v ^ID | awk '{print $2}' | grep ^docker-demo-webapp &>/dev/null; echo $?)" -eq "0" ]
then
  echo "docker-demo-webapp service exists; updating..."

  # update the existing docker service with the given image
  docker service update \
  --image dtr-beta.demo.dckr.org/demo/docker-demo:tag \
  docker-demo-webapp
else
  echo "service does not exist; creating..."

  # create the docker service with the appropriate configuration and label and network to be routable using the new UCP 2.0 HTTP routing mesh
  docker service create \
    -p 8080 \
    --replicas 4 \
    --update-delay 5s \
    --update-parallelism 2 \
    --update-failure-action continue \
    --env "TITLE=Docker Demo" \
    --env "DB_HOST=docker-demo-db" \
    --env "DB_PORT=5432" \
    --env "DB_USER=demo" \
    --env "DB_PASS=demo" \
    --env "DB_NAME=demo" \
    --env "DB_SSL_MODE=disable" \
    --label com.docker.ucp.access.label=docker-demo \
    --network docker-demo \
    --name docker-demo-webapp \
    --network ucp-hrm \
    --label com.docker.ucp.mesh.http=8080=http://docker-demo.betademo.dckr.org \
	dtr-beta.demo.dckr.org/demo/docker-demo:tag    
fi