update-deploy

#!/bin/bash

readonly DEPLOYCONFIGFILE=config/deploy.yml
readonly COMPOSERLOCATION=/usr/local/composer/composer.phar

# A simple bash script to update and deploy a site.
# Runs `composer update` and `bundle update`, then pushes the changes to master.
# Finally it deploys master to preview, acceptance and production (if available).
# Created by Michiel Verkoijen on 2015-10-30
# Filename: ~/update-deploy


# Check if deploy.yaml can be found otherwise exit immediately.
if [ ! -f $DEPLOYCONFIGFILE ]; then
  echo "`tput setaf 1`Warning: Deploy file $DEPLOYCONFIGFILE not found`tput setaf 7`"
  tput op
  echo "Please make sure you are running this script from the right location and try again."
  exit
fi

# YAML parser from https://gist.github.com/epiloque/8cf512c6d64641bde388
parse_yaml() {
  local prefix=$2
  local s
  local w
  local fs
  s='[[:space:]]*'
  w='[a-zA-Z0-9_]*'
  fs="$(echo @|tr @ '\034')"
  sed -ne "s|^\($s\)\($w\)$s:$s\"\(.*\)\"$s\$|\1$fs\2$fs\3|p" \
      -e "s|^\($s\)\($w\)$s[:-]$s\(.*\)$s\$|\1$fs\2$fs\3|p" "$1" |
  awk -F"$fs" '{
    indent = length($1)/2;
    vname[indent] = $2;
    for (i in vname) {if (i > indent) {delete vname[i]}}
      if (length($3) > 0) {
        vn=""; for (i=0; i<indent; i++) {vn=(vn)(vname[i])("_")}
        printf("%s%s%s=(\"%s\")\n", "'"$prefix"'",vn, $2, $3);
      }
  }' | sed 's/_=/+=/g'
}
echo "Parsing your deploy.yml file..."
eval $(parse_yaml $DEPLOYCONFIGFILE "deploy_")

if [ -z ${deploy_production_domain+x} ]; then 
  echo "`tput setaf 1`Warning: Cannot determine production server from deploy.yml file.`tput setaf 7`"
  tput op
  echo "Script stopped prematurely."
  exit
else
  readonly PRODUCTIONSERVER=$deploy_production_domain
fi

if ping -c1 -W1 $PRODUCTIONSERVER &> /dev/null; then
    echo "`tput setaf 2`Production server ($PRODUCTIONSERVER) can be reached`tput setaf 7`"
    tput op
else
    echo "`tput setaf 1`Warning: production server ($PRODUCTIONSERVER) cannot be reached`tput setaf 7`"
    tput op
    echo "Script terminated prematurely!"
    exit;
fi

git pull origin master
bundle update
php $COMPOSERLOCATION update --no-dev

read -p "Continue to commit, push and deploy? " -n 1
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
    echo ""
    echo "Updates made. Nothing committed, pushed or deployed"
    exit 1
else
    echo ""
    echo "Push changes for this Git repository"
    git add -A
    git commit -a -m "Bundle and composer updates."
    git push origin master
fi

# Deploy to preview if we can determine the server and connect to it
if [ -z ${deploy_preview_domain+x} ]; then 
  echo "`tput setaf 1`Warning: Cannot determine preview server from deploy.yml file.`tput setaf 7`"
  tput op
else
  readonly PREVIEWSERVER=$deploy_preview_domain
  if ping -c1 -W1 $PREVIEWSERVER &> /dev/null; then
      echo "`tput setaf 2`Deploy to preview server ($PREVIEWSERVER)`tput setaf 7`"
      tput op
      vd deploy preview
  else
      echo "`tput setaf 1`Preview server ($PREVIEWSERVER) is down`tput setaf 7`"
      tput op
  fi
fi

# Deploy to acceptance if we can determine the server and connect to it
if [ -z ${deploy_acceptance_domain+x} ]; then 
  echo "`tput setaf 1`Warning: Cannot determine acceptance server from deploy.yml file.`tput setaf 7`"
  tput op
else
  readonly ACCEPTANCESERVER=$deploy_acceptance_domain
  if ping -c1 -W1 $ACCEPTANCESERVER &> /dev/null; then
      echo "`tput setaf 2`Deploy to acceptance server ($ACCEPTANCESERVER)`tput setaf 7`"
      tput op
      vd deploy acceptance
  else
      echo "`tput setaf 1`Acceptance server ($ACCEPTANCESERVER) is down`tput setaf 7`"
      tput op
  fi
fi

# Deploy to production if we can connect to it (double check just to be sure)
if ping -c1 -W1 $PRODUCTIONSERVER &> /dev/null; then
    echo "`tput setaf 2`Deploy to production server ($PRODUCTIONSERVER)`tput setaf 7`"
    tput op
    vd deploy production
else
    echo "`tput setaf 1`Production server ($PRODUCTIONSERVER) is down`tput setaf 7`"
    tput op
fi