ci: add maintenance workflow (#643) [skip ci]

.github/workflows/maintenance/delete_workflows.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+set -e
+
+# Simple script to remove workflows that are not successful or failed (with completion status like skipped, cancelled, etc.)
+# It also removes successful or failed workflows that doesn't have artifacts or logs.
+# You need to be logged to 'gh' first
+
+# owner/repo syntax
+repo="$1"
+
+temp_file="workflow_runs.payload"
+rm -rf $temp_file
+
+echo "Fetching workflows..."
+echo $(gh api /repos/${repo}/actions/runs --paginate | jq '{count: .total_count, runs: [.workflow_runs[] | select(.status=="completed") | {id, conclusion}]}') | jq '.' > $temp_file
+
+ids_to_delete=$(cat "$temp_file" | jq -r '.runs | .[] | select((.conclusion!="success") and (.conclusion!="failure")) | .id')
+
+if [ "${ids_to_delete}" = "" ]
+then
+	echo "All workflows are exited successfully or failed. Nothing to remove"
+else
+	echo "Removing all the workflows that are not successful or failed..."
+	while read -r line; do
+		id="$line"
+		## Workaround for https://github.com/cli/cli/issues/4286 and https://github.com/cli/cli/issues/3937
+		echo -n | gh api --method DELETE /repos/${repo}/actions/runs/${id} --input -
+		
+		echo "Stale workflow run with ID $id deleted successfully!"
+	done <<< $ids_to_delete
+fi
+
+ids_to_delete=$(cat "$temp_file" | jq -r '.runs | .[] | select((.conclusion=="success") or (.conclusion=="failure")) | .id')
+
+if [ "${ids_to_delete}" = "" ]
+then
+	echo "No workflows to check for logs or artifacts. Exiting..."
+else
+	echo -e "\nDeleting workflows without logs and artifacts..."
+	while read -r line; do
+		id="$line"
+		artifact_count=$(gh api /repos/${repo}/actions/runs/${id}/artifacts | jq -r '.total_count')
+		if [ "${artifact_count}" = "0" ]
+		then
+			gh api --silent /repos/${repo}/actions/runs/${id}/logs || \ 
+				echo -n | gh api --method DELETE /repos/${repo}/actions/runs/${id} --input - && \
+				echo "Workflow run without logs and artifacts with ID $id deleted successfully!"
+		fi
+	done <<< $ids_to_delete
+fi
+
+rm -rf $temp_file
+echo -e "\n\nFinished the workflow run cleaning process"
+exit 0