Adding a job that will purge AWS EKS clusters every 6 hours

Signed-off-by: ytimocin <[email protected]>

.github/scripts/purge-aws-eks-clusters.sh

@@ -0,0 +1,42 @@
+# ------------------------------------------------------------
+# Copyright 2023 The Radius Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+# ------------------------------------------------------------
+
+#!/bin/bash
+set -xe
+
+# Get the current time in seconds since 1970-01-01 00:00:00 UTC
+now=$(date +%s)
+
+# Define the prefix for the EKS clusters to delete
+EKS_PREFIX="eks-samplestest-"
+
+# List all EKS clusters
+clusters=$(aws eks list-clusters --query 'clusters' --output text | tr '\t' '\n' | grep "^$EKS_PREFIX")
+
+# Loop through each cluster
+for cluster in $clusters; do
+    # Get the creation time of the cluster in seconds since 1970-01-01 00:00:00 UTC
+    creation_time=$(aws eks describe-cluster --name $cluster --query 'cluster.createdAt' --output text)
+    creation_time=$(date -d"$creation_time" +%s)
+
+    # Calculate the age of the cluster in hours
+    age_hours=$(((now - creation_time) / 3600))
+
+    # If the cluster is more than 24 hours old, delete it
+    if ((age_hours > 24)); then
+        aws eks delete-cluster --name $cluster
+    fi
+done

.github/scripts/purge-aws-rds-snapshots.sh

@@ -4,7 +4,7 @@
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
-#    
+#
 #     http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
@@ -16,8 +16,7 @@
 
 set -xe
 
-aws rds describe-db-snapshots --query 'DBSnapshots[].DBSnapshotIdentifier' --output text > snapshots.txt
-for rds_snapshot_identifier in $(cat ./snapshots.txt)    
-do
+aws rds describe-db-snapshots --query 'DBSnapshots[].DBSnapshotIdentifier' --output text >snapshots.txt
+for rds_snapshot_identifier in $(cat ./snapshots.txt); do
     aws rds delete-db-snapshot --db-snapshot-identifier $rds_snapshot_identifier
 done

.github/workflows/purge-aws-eks-clusters.yaml

@@ -0,0 +1,30 @@
+name: Purge AWS EKS Clusters
+on:
+  schedule:
+    # Runs every 6 hours
+    - cron: "0 0,6 * * *"
+env:
+  GH_TOKEN: ${{ github.token }}
+  AWS_REGION: us-west-2
+jobs:
+  purge_rds_snapshots:
+    name: Purge AWS EKS Clusters
+    runs-on: [ubuntu-latest]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Login to AWS
+        run: |
+          aws configure set aws_access_key_id ${{ secrets.AWS_ACCESS_KEY_ID }}
+          aws configure set aws_secret_access_key ${{ secrets.AWS_SECRET_ACCESS_KEY }}
+          aws configure set region ${{ env.AWS_REGION }}
+          aws configure set output json
+      - name: Purge AWS EKS Clusters
+        run: |
+          ./.github/scripts/purge-aws-eks-clusters.sh
+      - name: Create GitHub issue on failure
+        if: ${{ failure() }}
+        run: |
+          gh issue create --title "Purge AWS EKS Clusters workflow failed" \
+            --body "Test failed on ${{ github.repository }}. See [workflow logs](${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}) for more details." \
+            --repo ${{ github.repository }}

.github/workflows/purge-aws-rds-snapshots.yaml

@@ -4,8 +4,8 @@ on:
     # Runs at 00:30 and 12:30
     - cron: "30 0,12 * * *"
 env:
-    GH_TOKEN: ${{ github.token }}
-    AWS_REGION: us-west-2
+  GH_TOKEN: ${{ github.token }}
+  AWS_REGION: us-west-2
 jobs:
   purge_rds_snapshots:
     name: Purge AWS RDS DBInstance snapshots