Check that an API key is provided

Author: liamdawson

CHANGELOG.md

@@ -11,6 +11,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Ensure cURL returns an error on a failed request
 
+### Fixed
+
+- Check that a value was provided for the API key
+
 ## [0.0.1] - 2020-04-17
 
 ### Added

hooks/command

@@ -5,6 +5,11 @@ main() {
   local datadog_host="${BUILDKITE_PLUGIN_CREATE_DATADOG_EVENT_DATADOG_HOST:-https://api.datadoghq.com}"
   local api_key="${BUILDKITE_PLUGIN_CREATE_DATADOG_EVENT_API_KEY}"
 
+  if [[ -z "$api_key" ]]; then
+    echo "no API key was provided"
+    exit 1
+  fi
+
   curl -fsS -X POST \
     -H "Content-type: application/json" \
     -H "DD-API-KEY: ${api_key}" \