jenkins-deploy-command.sh

jenkins.sh

#!/bin/bash -l

set -e  # fail on error
set -u # do not allow unset variables

# use the correct exit code, when piping commands, e.g.
# here you use curl ... | python... so if curl fails, python will still
# continure working
set -o pipefail

JENKINS_SERVER_URL='https://myjenkins.com'
USAGE="
Jenkins commands
A helper command line for avoiding the ugly Jenkins UI when deploying.

AUTHENTICATION
In order to authenticate into Jenkins, you need to generate your API TOKEN on

USER> Configure> Show API Token

After set the environment variable JENKINS_USER_TOKEN:

export JENKINS_USER_TOKEN=myuser:mytoken

USAGE:
${0} [PROJECT_NAME] [ENVIRONMENT] [BRANCH default develop]

ex:
${0} ze-dashboard beta
${0} ze-dashboard theta
"

TRUE=0
FALSE=1
ITERATION_SLEEP=10
GREEN='\033[0;32m'
RED='\033[0;31m'
NC='\033[0m'

# ARGUMENTS
PROJECT_NAME=${1?"${USAGE}"}
ENV=${2?"${USAGE}"}
BRANCH="${3:-develop}"

if [ -z "$JENKINS_USER_TOKEN" ]; then
  echo "AUTHENTICATION ERROR

  In order to authenticate into Jenkins generate your API TOKEN on
  USER>Configure>Show API Token

  After set the environment variable ${RED}JENKINS_USER_TOKEN${NC}:
  export JENKINS_USER_TOKEN=myuser:mytoken\n
  "
  exit 1
fi

JENKINS_JOB_URI="$JENKINS_SERVER_URL/job/$PROJECT_NAME"

function isBuilding {
  building=$(curl --silent  "$JENKINS_JOB_URI/lastBuild/api/json" --user $JENKINS_USER_TOKEN | \
    python -c "import sys, json; print json.load(sys.stdin).get('building')")

  if [ "$building" = "True" ]; then
    return $TRUE
  fi

  return $FALSE
}

function abort {
  echo "💥 - Aborting..."
  buildid=$(curl --silent  "$JENKINS_JOB_URI/lastBuild/api/json" --user $JENKINS_USER_TOKEN | \
    python -c "import sys, json; print json.load(sys.stdin)['id']")

  echo "Building $buildid will be aborted."

  curl --silent -XPOST  "$JENKINS_JOB_URI/$buildid/stop" --user $JENKINS_USER_TOKEN
}

function showConsoleStatus {
  curl --silent "$JENKINS_JOB_URI/lastBuild/consoleText" --user $JENKINS_USER_TOKEN
}

function watchStatus {
  while isBuilding; do
    echo "👀 - Waiting for jenkins..."
    sleep $ITERATION_SLEEP
    showConsoleStatus
  done
}

function deploy {
  crumb=$(curl --silent "$JENKINS_SERVER_URL/crumbIssuer/api/xml?xpath=concat(//crumbRequestField,%22:%22,//crumb)" \
    --user $JENKINS_USER_TOKEN)

  curl "$JENKINS_JOB_URI/buildWithParameters" \
    --user $JENKINS_USER_TOKEN \
    --data "name=BUILD_BRANCH&value=$BRANCH&name=ENVIRONMENT&value=$ENV&name=DEPLOY_HOST&value=&$crumb" --compressed
}

function git_commits {
  echo "Fetching last commits:"
  $(git fetch)
  git log origin/$BRANCH -n 10
}

if isBuilding; then
  echo "The pipeline is been used..."
  echo "${RED}Do you want to abort it? [y/n]${NC}"

  read answer
  if [ "$answer" != "${answer#[Yy]}" ] ;then
    abort
  fi

  exit 0
fi

echo "\n"
echo "${NC}Deploying ${RED}$BRANCH${NC} branch of ${RED}$PROJECT_NAME${NC} to ${RED}$ENV${NC}..."
echo ""
git_commits
echo ""
echo "Are you sure? [y/n]"

read answer
if [ "$answer" != "${answer#[Yy]}" ] ;then
  echo "🚀 - Deploying..."
  deploy
  echo "Waiting for response..."
  watchStatus
fi