feat: sample function for deno runtime (#27)

* feat: added simple typescript sample Signed-off-by: Thomas Schuetz <thomas.schuetz@dynatrace.com> * doc: updated documentation Signed-off-by: Thomas Schuetz <thomas.schuetz@dynatrace.com> * feat: added DATA environment variable Signed-off-by: Thomas Schuetz <thomas.schuetz@dynatrace.com> * feat: added DATA environment variable Signed-off-by: Thomas Schuetz <thomas.schuetz@dynatrace.com> * feat: added slack function Signed-off-by: Thomas Schuetz <thomas.schuetz@dynatrace.com> * feat: added slack function Signed-off-by: Thomas Schuetz <thomas.schuetz@dynatrace.com> Signed-off-by: Thomas Schuetz <thomas.schuetz@dynatrace.com>
keptn · Sep 20, 2022 · 2501e46 · 2501e46
1 parent c8800ee
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diff --git a/functions-runtime/README.md b/functions-runtime/README.md
@@ -7,8 +7,18 @@ docker build -t keptnsandbox/klc-runtime:${VERSION} .
 
 ## Usage
 
-### Docker
+### Docker with function on webserver (function in this repo)
 ```
-docker run -e SCRIPT=https://deno.land/std/examples/welcome.ts -it keptnsandbox/klc-runtime:${VERSION}
+docker run -e SCRIPT=https://raw.githubusercontent.com/keptn-sandbox/lifecycle-controller/main/functions-runtime/samples/ts/hello-world.ts -it keptnsandbox/klc-runtime:${VERSION}
+```
+
+### Docker with function and external data - scheduler
+```
+docker run -e SCRIPT=https://raw.githubusercontent.com/keptn-sandbox/lifecycle-controller/main/functions-runtime/samples/ts/scheduler.ts -e DATA='{ "targetDate":"2025-04-16T06:55:31.820Z" }' -it keptnsandbox/klc-runtime:${VERSION}
+```
+
+### Docker with function and external secure data - slack
+```
+docker run -e SCRIPT=https://raw.githubusercontent.com/keptn-sandbox/lifecycle-controller/main/functions-runtime/samples/ts/slack.ts -e SECURE_DATA='{ "slack_hook":"hook/parts","text":"this is my test message" }' -it keptnsandbox/klc-runtime:${VERSION}
 ```
 
diff --git a/functions-runtime/entrypoint.sh b/functions-runtime/entrypoint.sh
@@ -2,4 +2,4 @@
 
 set -eu
 
-deno run --allow-net $SCRIPT
+deno run --allow-net --allow-env=DATA,SECURE_DATA "$SCRIPT"
diff --git a/functions-runtime/samples/ts/hello-world.ts b/functions-runtime/samples/ts/hello-world.ts
@@ -0,0 +1,2 @@
+let message: string = 'Hello, World!';
+console.log(message);
diff --git a/functions-runtime/samples/ts/schedule.ts b/functions-runtime/samples/ts/schedule.ts
@@ -0,0 +1,20 @@
+let text = Deno.env.get("DATA");
+let data;
+if (text != "") {
+    data = JSON.parse(text);
+}
+
+let targetDate = new Date(data.targetDate)
+let dateTime = new Date();
+
+if(targetDate < dateTime){
+    console.log("Date has passed - ok");
+    Deno.exit(0);
+} else {
+    console.log("It's too early - failing");
+    Deno.exit(1);
+}
+
+console.log(targetDate);
+
+
diff --git a/functions-runtime/samples/ts/slack.ts b/functions-runtime/samples/ts/slack.ts
@@ -0,0 +1,15 @@
+let text = Deno.env.get("SECURE_DATA");
+let data;
+if (text != undefined) {
+    data = JSON.parse(text);
+}
+
+const body = `{"text": "${data.text}"}`;
+
+console.log(body)
+let resp = await fetch("https://hooks.slack.com/services/" + data.slack_hook, {
+    method: "POST",
+    body,
+});
+
+console.log(resp)