entrypoint.sh

#!/bin/bash -l

set -e

: ${INPUT_WPE_SSHG_KEY_PRIVATE?Required secret not set.}

if [[ $GITHUB_REF =~ ${INPUT_PRD_BRANCH}$ ]]; then
    export WPE_ENV_NAME=$INPUT_PRD_ENV;
elif [[ $GITHUB_REF =~ ${INPUT_STG_BRANCH}$ ]]; then
    export WPE_ENV_NAME=$INPUT_STG_ENV;
elif [[ $GITHUB_REF =~ ${INPUT_DEV_BRANCH}$ ]]; then
    export WPE_ENV_NAME=$INPUT_DEV_ENV;
else
    echo "FAILURE: Branch name required." && exit 1;
fi

echo "Deploying $GITHUB_REF to $WPE_ENV_NAME..."

# Deploy Vars
WPE_SSH_HOST="$WPE_ENV_NAME.ssh.wpengine.net"
DIR_PATH="$INPUT_TPO_PATH"
SRC_PATH="$INPUT_TPO_SRC_PATH"

# Set up our user and path
WPE_SSH_USER="$WPE_ENV_NAME"@"$WPE_SSH_HOST"
WPE_FULL_HOST="$WPE_SSH_USER"
WPE_DESTINATION="$WPE_SSH_USER":sites/"$WPE_ENV_NAME"/"$DIR_PATH"


# Setup our SSH Connection & use keys
if [ ! -d ${HOME}/.ssh ]; then 
    mkdir "${HOME}/.ssh" 
    SSH_PATH="${HOME}/.ssh" 
    mkdir "${SSH_PATH}/ctl/"
    # Set Key Perms 
    chmod -R 700 "$SSH_PATH"
  else 
  SSH_PATH="${HOME}/.ssh" 
  echo "using established SSH KEY path...";
fi

# Copy Secret Keys to container
WPE_SSHG_KEY_PRIVATE_PATH="$SSH_PATH/github_action"  
echo "$INPUT_WPE_SSHG_KEY_PRIVATE" > "$WPE_SSHG_KEY_PRIVATE_PATH"
chmod 600 "$WPE_SSHG_KEY_PRIVATE_PATH"

# Establish known hosts
KNOWN_HOSTS_PATH="$SSH_PATH/known_hosts" 
ssh-keyscan -t rsa "$WPE_SSH_HOST" >> "$KNOWN_HOSTS_PATH" 
chmod 644 "$KNOWN_HOSTS_PATH"

echo "prepping file perms..."
find $SRC_PATH -type d -exec chmod -R 775 {} \;
find $SRC_PATH -type f -exec chmod -R 664 {} \;
echo "file perms set..."

# pre deploy php lint
if [ "${INPUT_PHP_LINT^^}" == "TRUE" ]; then
    echo "Begin PHP Linting."
    for file in $(find $SRC_PATH/ -name "*.php"); do
        php -l $file
        status=$?
        if [[ $status -ne 0 ]]; then
            echo "FAILURE: Linting failed - $file :: $status" && exit 1
        fi
    done
    echo "PHP Lint Successful! No errors detected!"
else 
    echo "Skipping PHP Linting."
fi

# post deploy script 
if [[ -n ${INPUT_SCRIPT} ]]; then 
    SCRIPT="&& sh ${INPUT_SCRIPT}"; 
  else 
    SCRIPT=""
fi 

# post deploy cache clear
if [ "${INPUT_CACHE_CLEAR^^}" == "TRUE" ]; then
    CACHE_CLEAR="&& wp --skip-plugins --skip-themes page-cache flush && wp --skip-plugins --skip-themes cdn-cache flush"
  elif [ "${INPUT_CACHE_CLEAR^^}" == "FALSE" ]; then
      CACHE_CLEAR=""
  else echo "CACHE_CLEAR must be TRUE or FALSE only... Cache not cleared..."  && exit 1;
fi

# Deploy via SSH
# setup master ssh connection 
ssh -nNf -v -i ${WPE_SSHG_KEY_PRIVATE_PATH} -o StrictHostKeyChecking=no -o ControlMaster=yes -o ControlPath="$SSH_PATH/ctl/%C" $WPE_FULL_HOST

echo "!!! MASTER SSH CONNECTION ESTABLISHED !!!"
rsync --rsh="ssh -v -p 22 -i ${WPE_SSHG_KEY_PRIVATE_PATH} -o StrictHostKeyChecking=no -o 'ControlPath=$SSH_PATH/ctl/%C'" $INPUT_FLAGS --exclude-from='/exclude.txt' $SRC_PATH "$WPE_DESTINATION"

# post deploy script and cache clear
if [[ -n ${SCRIPT} || -n ${CACHE_CLEAR} ]]; then 
    ssh -v -p 22 -i ${WPE_SSHG_KEY_PRIVATE_PATH} -o StrictHostKeyChecking=no -o ControlPath="$SSH_PATH/ctl/%C" $WPE_FULL_HOST "cd sites/${WPE_ENV_NAME} ${SCRIPT} ${CACHE_CLEAR}"
fi

# close master ssh
ssh -O exit -o ControlPath="$SSH_PATH/ctl/%C" $WPE_FULL_HOST

echo "SUCCESS: Your code has been deployed to WP Engine!"