ci: add cleanup dps

.github/workflows/cleanup-dp.yml

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+name: Cleanup Deploy Previews
+
+on:
+  # This line enables manual triggering of this workflow.
+  workflow_dispatch:
+
+jobs:
+  execute:  
+    runs-on: ubuntu-latest
+    steps:
+      # Checkout the code
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+     - name: Install mongosh
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y wget gnupg
+          wget -qO - https://www.mongodb.org/static/pgp/server-5.0.asc | sudo apt-key add -
+          echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu jammy/mongodb-org/5.0 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-6.0.list
+          sudo apt-get update
+          sudo apt-get install -y mongodb-mongosh
+
+      - name: Install relevant packages
+        run: |
+          which aws
+          sudo apt update -q
+          sudo apt install -y curl unzip less jq
+          curl -LO https://storage.googleapis.com/kubernetes-release/release/v1.23.6/bin/linux/amd64/kubectl
+          sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl
+          curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
+          chmod 700 get_helm.sh
+          ./get_helm.sh
+
+      - name: Delete Helm chart
+        env:
+          AWS_ROLE_ARN: ${{ secrets.AWS_ROLE_ARN }}
+          AWS_ACCESS_KEY_ID: ${{ secrets.AWS_ACCESS_KEY_ID }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          DB_USERNAME: ${{ secrets.DB_USERNAME }}
+          DB_PASSWORD: ${{ secrets.DB_PASSWORD }}
+          DB_URL: ${{ secrets.DB_URL }}
+
+        run: /bin/bash ./runbooks/tasks/cleanup_dp.sh

scripts/cleanup_dp.sh

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+#!/bin/bash
+# Configure the AWS & kubectl environment
+
+set -o errexit
+set -o nounset
+
+export AWS_ACCESS_KEY_ID
+export AWS_SECRET_ACCESS_KEY
+
+export AWS_REGION=ap-south-1
+export AWS_DEFAULT_OUTPUT=json
+
+export cluster_name=uat-cluster
+
+sts_output=$(aws sts assume-role --role-arn "$AWS_ROLE_ARN" --role-session-name dp-session-script)
+
+export AWS_ACCESS_KEY_ID="$(echo "$sts_output" | jq -r '.Credentials.AccessKeyId')"
+export AWS_SECRET_ACCESS_KEY="$(echo "$sts_output" | jq -r '.Credentials.SecretAccessKey')"
+export AWS_SESSION_TOKEN="$(echo "$sts_output" | jq -r '.Credentials.SessionToken')"
+
+export KUBECONFIG="$PWD/kubeconfig"
+aws eks update-kubeconfig --name "$cluster_name" --role-arn "$AWS_ROLE_ARN"
+
+### Get list of helm charts
+deployed_charts="$(helm ls -A --filter 'ce[0-9]+' --output json | jq -r '.[].namespace')"
+
+for i in $deployed_charts
+  do 
+    pr=$(echo $i | cut -c 3-);
+    pr_status="$(gh pr view "$pr" --json state --jq .state)"
+    echo $pr_state
+    if [[ $pr_state == "MERGED" ]]
+    then
+      echo "helm uninstall $i -n $i"
+      kubectl delete ns $NAMESPACE || echo "true"
+      echo mongosh "mongodb+srv://$DB_USERNAME:$DB_PASSWORD@$DB_URL/$i?retryWrites=true&minPoolSize=1&maxPoolSize=10&maxIdleTimeMS=900000&authSource=admin" --eval 'db.dropDatabase()'
+    fi
+  done