BAH-4126 | Add. Workflow to start EC2 instance based environments

.github/workflows/start_ec2_environments.yml

@@ -0,0 +1,32 @@
+name: Start EC2 Instances
+
+on:
+    schedule:
+        # Runs "At 06:00 AM IST on Moday-Friday. Below time is mentioned in UTC time zone" (see https://crontab.guru)
+        - cron: '30 00 * * 1-5'
+    workflow_dispatch:
+    push:
+        branches:
+            - BAH-4126
+
+jobs:
+    start-instances:
+      runs-on: ubuntu-latest
+      strategy:
+        matrix:
+          instance: ['bahmni-standard-docker']
+      steps:
+        - name: Configure AWS Credentials
+          uses: aws-actions/configure-aws-credentials@v4
+          with:
+            aws-access-key-id: ${{ secrets.BAHMNI_AWS_ID }}
+            aws-secret-access-key: ${{ secrets.BAHMNI_AWS_SECRET }}
+            aws-region: ap-south-1
+            role-to-assume: ${{ secrets.BAHMNI_INFRA_ADMIN_ROLE }}
+            role-duration-seconds: 1200  # 20 mins
+            role-session-name: BahmniInfraAdminSession
+
+        - name: Start Environments
+          run: |
+            INSTANCE_ID=$(aws ec2 describe-instances --filters "Name=tag:Name,Values=${{ matrix.instance }}" --query "Reservations[].Instances[].InstanceId" --output text)
+            aws ec2 start-instances --instance-ids ${INSTANCE_ID} > /dev/null 2>&1