Refactor: GA Pack Download and Update Mechanism in the GitHub Action Environment

.github/migration-tester/README.md

@@ -9,7 +9,8 @@ Welcome to Automating-Product-Migration-Testing! This project aims to automate t
 
 Click on the badge above to view the current status of the main migration workflow. The workflow ensures seamless execution of the migration client tests across various infrastructure combinations, including different databases and operating systems.
 
-
+## Notion User Guide 
+https://www.notion.so/User-Guide-Of-Product-Migration-Testing-Automation-Feature-17676cd5205a49a898d6527a03347199?pvs=4
 
 ## Directory Structure
 

.github/migration-tester/migration-automation/download-GA-pack.sh

@@ -0,0 +1,144 @@
+#!/bin/bash
+
+# Define color variables
+GREEN='\033[0;32m\033[1m' # green color
+RED='\033[0;31m\033[1m'   # red color
+NC='\033[0m'           # reset color
+
+# Get the value of the inputs
+os=$2
+downloadingISVersion=$3
+startServer=$4
+
+# Setup file and path based on OS
+if [ "$os" = "ubuntu-latest" ]; then
+  cd "/home/runner/work/product-is/product-is/.github/migration-tester/migration-automation"
+  chmod +x env.sh
+  . ./env.sh
+  echo "${GREEN}==> Env file for Ubuntu sourced successfully${NC}"
+
+  if [ "$startServer" = "current" ]; then
+    cd "$IS_HOME_OLD"
+    echo "${GREEN}==> Navigated to newly created directory to download GA pack $downloadingISVersion ${NC}"
+  elif [ "$startServer" = "migrating" ]; then
+    cd "$IS_HOME_NEW"
+    echo "${GREEN}==> Navigated to newly created directory to download GA pack $downloadingISVersion ${NC}"
+  fi
+
+elif [ "$os" = "macos-latest" ]; then
+  cd "/Users/runner/work/product-is/product-is/.github/migration-tester/migration-automation"
+  chmod +x env.sh
+  source ./env.sh
+  echo "${GREEN}==> Env file for Mac sourced successfully${NC}"
+
+  if [ "$startServer" = "current" ]; then
+    cd "$IS_HOME_OLD_MAC"
+    echo "${GREEN}==> Navigated to newly created directory to download GA pack $downloadingISVersion ${NC}"
+  elif [ "$startServer" = "migrating" ]; then
+    cd "$IS_HOME_NEW_MAC"
+    echo "${GREEN}==> Navigated to newly created directory to download GA pack $downloadingISVersion ${NC}"
+  fi
+fi
+
+# Initialize file_id variable
+file_id=""
+
+# Check the value of IS version and assign the corresponding environment variable to file_id
+case $downloadingISVersion in
+  5.9.0)
+    file_id="$FILE_ID_5_9"
+    ;;
+  5.10.0)
+    file_id="$FILE_ID_5_10"
+    ;;
+  5.11.0)
+    file_id="$FILE_ID_5_11"
+    ;;
+  6.0.0)
+    file_id="$FILE_ID_6_0"
+    ;;
+  6.1.0)
+    file_id="$FILE_ID_6_1"
+    ;;
+  *)
+    echo "No action taken.Please assign a value in env.sh if you haven't assigned a value for file ID."
+    ;;
+esac
+
+# Use the file_id variable in downloading the IS zip
+echo "file_id: $file_id"
+
+# Specify the Google Drive file URL
+file_url="https://www.googleapis.com/drive/v3/files/"$file_id"?alt=media"
+
+set -euo pipefail
+
+base64var() {
+    printf "$1" | base64stream
+}
+
+base64stream() {
+    base64 | tr '/+' '_-' | tr -d '=\n'
+}
+
+keyJsonFile=$(echo "$MIGRATION_JSON_ENCODED" | base64 -d)
+scope="https://www.googleapis.com/auth/drive.readonly"
+valid_for_sec="${3:-3600}"
+private_key=$(jq -r .private_key <<< "$keyJsonFile")
+sa_email=$(jq -r .client_email <<< "$keyJsonFile") || { echo "Error extracting client_email from the JSON file."; exit 1; }
+
+header='{"alg":"RS256","typ":"JWT"}'
+# Calculate the expiration time as 'valid_for_sec' seconds from now
+exp=$(($(date +%s) + 60))
+# The issued at time should be the current time
+iat=$(date +%s)
+claim=$(cat <<EOF | jq -c
+  {
+    "iss": "$sa_email",
+    "scope": "$scope",
+    "aud": "https://www.googleapis.com/oauth2/v4/token",
+    "exp": $exp,
+    "iat": $iat
+  }
+EOF
+)
+
+request_body="$(base64var "$header").$(base64var "$claim")"
+signature=$(echo -n "$request_body" | openssl dgst -sha256 -sign <(echo "$private_key") -binary | base64stream)
+
+jwt_token=$(printf "%s.%s" "$request_body" "$signature")
+
+# Manually construct the POST data for token request
+data="grant_type=urn:ietf:params:oauth:grant-type:jwt-bearer&assertion=$jwt_token"
+
+# Make the token request to get the access token
+token_response=$(curl -s -X POST -d "$data" "https://www.googleapis.com/oauth2/v4/token")
+access_token=$(echo "$token_response" | jq -r .access_token)
+
+# Use the file_id variable in downloading the IS zip
+echo "file_id: $file_id"
+
+# Specify the Google Drive file URL
+file_url="https://www.googleapis.com/drive/v3/files/"$file_id"?alt=media"
+
+# Download the file using the access token
+response=$(curl -s -L -o wso2is.zip "$file_url" \
+  --header "Authorization: Bearer $access_token" \
+  --header "Accept: application/json")
+
+# Check if the response contains any error message
+if echo "$response" | grep -q '"error":'; then
+  # If there is an error, print the failure message with the error description
+  error_description=$(echo "$response" | jq -r '.error_description')
+  echo -e "${RED}==> Failure in downloading the GA Pack $downloadingISVersion. $error_description.${NC}"
+
+else
+  # If there is no error, print the success message
+  echo -e "${GREEN}==> Success: GA Pack $downloadingISVersion downloaded successfully.${NC}"
+fi
+
+# Unzip GA pack archive
+unzip -qq wso2is.zip
+
+# View list to see the downloaded pack.
+ls -a