Cops For Hire Semaphore CD script

semaphore_cd_gcloud.sh

#!/bin/bash

## Usage:
## ./semaphore_cd_gcloud.sh service_name project zone cluster

export PATH=$SEMAPHORE_CACHE_DIR/google-cloud-sdk/bin:$PATH

if [ ! -f "$SEMAPHORE_CACHE_DIR/google-cloud-sdk/bin/gcloud" ]
then
  curl -O https://dl.google.com/dl/cloudsdk/channels/rapid/downloads/google-cloud-sdk-134.0.0-linux-x86_64.tar.gz
  tar -x -C $SEMAPHORE_CACHE_DIR -f google-cloud-sdk-134.0.0-linux-x86_64.tar.gz
  gcloud --quiet components update --version 134.0.0
fi

if [ ! -f "$SEMAPHORE_CACHE_DIR/google-cloud-sdk/bin/kubectl" ]
then
  gcloud --quiet components update --version 134.0.0 kubectl
fi

gcloud auth activate-service-account --key-file gcloud.json
gcloud config set container/use_client_certificate True
gcloud config set project $2
gcloud config set compute/zone $3
gcloud config set container/cluster $4
gcloud container clusters get-credentials $4
kubectl scale deployment $1 --replicas 0
kubectl scale deployment $1 --replicas 1