add deploy script

Author: eistrati

bin/deploy.sh

@@ -0,0 +1,28 @@
+#!/usr/bin/env bash
+
+gcloud --version > /dev/null 2>&1 || { echo >&2 'gcloud is missing. aborting...'; exit 1; }
+npm --version > /dev/null 2>&1 || { echo >&2 "npm is missing. aborting..."; exit 1; }
+export NODE_PATH="$(npm root -g)"
+
+if [ -z "${BRANCH_FROM}" ]; then BRANCH_FROM = "dev"; fi
+if [ -z "${BRANCH_TO}" ]; then BRANCH_TO = "dev"; fi
+if [ "${BRANCH_TO}" != "dev" ]; then THUB_ENV="-e ${BRANCH_TO}"; fi
+if [ "${THUB_STATE}" == "approved" ]; then THUB_APPLY="-a"; fi
+
+git --version > /dev/null 2>&1 || { echo >&2 "git is missing. aborting..."; exit 1; }
+git checkout $BRANCH_TO
+git checkout $BRANCH_FROM
+
+jq --version > /dev/null 2>&1 || { echo >&2 'jq is missing. aborting...'; exit 1; }
+GOOGLE_CLOUD_PROJECT="$(gcloud config list --format=json | jq '.core.project')"
+BILLING_ID="$(gcloud beta billing accounts list --format=json | jq '.[0].name[16:]')"
+GOOGLE_APPLICATION_CREDENTIALS="${HOME}/.config/gcloud/${GOOGLE_CLOUD_PROJECT}.json"
+SERVICE_ACCOUNT="terraform@${GOOGLE_CLOUD_PROJECT}.iam.gserviceaccount.com"
+gcloud iam service-accounts keys create ${GOOGLE_APPLICATION_CREDENTIALS} --iam-account=${SERVICE_ACCOUNT}
+
+terrahub --version > /dev/null 2>&1 || { echo >&2 "terrahub is missing. aborting..."; exit 1; }
+terrahub configure -c template.locals.google_project_id="${GOOGLE_CLOUD_PROJECT}"
+terrahub configure -c template.locals.google_billing_account="${BILLING_ID}"
+
+terrahub run -y -b ${THUB_APPLY} ${THUB_ENV}
+echo "Execution successful: from ${BRANCH_FROM} into ${BRANCH_TO}"