#!/bin/bash

# Check if the correct number of arguments are provided
if [ "$#" -ne 3 ]; then
  echo "Usage: $0 <name_space> <new_tag> <deployment_name>"
  exit 1
fi

# Assign the arguments to variables
name_space=$1
new_tag=$2
deployment_name=$3

echo "Name Space: $name_space Deployment Name: $deployment_name  New Tag: $new_tag"
echo ""

deployment_image=$(kubectl -n "${name_space}" get deployment "${deployment_name}" -o=jsonpath='{.spec.template.spec.containers[*].image}')
image_prefix=$(echo "${deployment_image}" | cut -d":" -f1)
old_tag=$(echo "${deployment_image}" | cut -d":" -f2)

echo "image prefix is => ${image_prefix}"

echo "old_tag is ${old_tag}"

kubectl -n "${name_space}" patch deployment "${deployment_name}" -p "{\"spec\":{\"template\":{\"spec\":{\"containers\":[{\"name\":\"${deployment_name}\",\"image\": \"${image_prefix}:${new_tag}\"}]}}}}"