add logger

Signed-off-by: Sven Pfennig <[email protected]>

podtato-head/README.md

@@ -62,12 +62,30 @@ helm upgrade \
 ```
 
 ## Exercise 1: Add Logging
+```sh
+cagro add env-logger
+```
+```rust
+env_logger::init();
+
+debug!("this is a debug {}", "message");
+error!("this is printed by default");
+info!("Now going to start the server!";
+```
+Update helm chart:
+```sh
+  --set entry.env[0].name=RUST_LOG \
+  --set entry.env[0].value=info \
+```
 
 ## Exercise 2: Health Checks
 - [ ] Startup Probe
 - [ ] Readiness Probe
 - [ ] Liveness Probe
+```sh
+helm upgrade --install podtato-head ./delivery/chart -f podtato-head-microservices/values.yaml
 
+```
 ## Exercise 3: Add Metrics
 - Metrics Endpoint
 

podtato-head/delivery/chart/templates/deployment-entry.yaml

@@ -68,6 +68,10 @@ spec:
             httpGet:
               path: /
               port: http
+          startupProbe:
+            httpGet:
+              path: /
+              port: http
           resources:
             {{- toYaml .Values.resources | nindent 12 }}
           volumeMounts:

podtato-head/podtato-head-microservices/values.yaml

@@ -0,0 +1,25 @@
+
+images:
+  repositoryDirname: "<REGISTRY>"
+  pullPolicy: Always
+entry:
+  repositoryBasename: podtato-head-entry
+  runtimeClassName: wasmedge
+  env:
+    - name: RUST_LOG
+      value: info
+hat:
+  repositoryBasename: podtato-head-parts
+  runtimeClassName: wasmedge
+leftLeg:
+  repositoryBasename: podtato-head-parts
+  runtimeClassName: wasmedge
+leftArm:
+  repositoryBasename: podtato-head-parts
+  runtimeClassName: wasmedge
+rightLeg:
+  repositoryBasename: podtato-head-parts
+  runtimeClassName: wasmedge
+rightArm:
+  repositoryBasename: podtato-head-parts
+  runtimeClassName: wasmedge

podtato-head/test/loadtest/script.js

@@ -0,0 +1,62 @@
+import http from 'k6/http';
+import { check, sleep } from 'k6';
+
+export const options = {
+  // A number specifying the number of VUs to run concurrently.
+  vus: 10,
+  // A string specifying the total duration of the test run.
+  duration: '30s',
+
+  // The following section contains configuration options for execution of this
+  // test script in Grafana Cloud.
+  //
+  // See https://grafana.com/docs/grafana-cloud/k6/get-started/run-cloud-tests-from-the-cli/
+  // to learn about authoring and running k6 test scripts in Grafana k6 Cloud.
+  //
+  // ext: {
+  //   loadimpact: {
+  //     // The ID of the project to which the test is assigned in the k6 Cloud UI.
+  //     // By default tests are executed in default project.
+  //     projectID: "",
+  //     // The name of the test in the k6 Cloud UI.
+  //     // Test runs with the same name will be grouped.
+  //     name: "script.js"
+  //   }
+  // },
+
+  // Uncomment this section to enable the use of Browser API in your tests.
+  //
+  // See https://grafana.com/docs/k6/latest/using-k6-browser/running-browser-tests/ to learn more
+  // about using Browser API in your test scripts.
+  //
+  // scenarios: {
+  //   // The scenario name appears in the result summary, tags, and so on.
+  //   // You can give the scenario any name, as long as each name in the script is unique.
+  //   ui: {
+  //     // Executor is a mandatory parameter for browser-based tests.
+  //     // Shared iterations in this case tells k6 to reuse VUs to execute iterations.
+  //     //
+  //     // See https://grafana.com/docs/k6/latest/using-k6/scenarios/executors/ for other executor types.
+  //     executor: 'shared-iterations',
+  //     options: {
+  //       browser: {
+  //         // This is a mandatory parameter that instructs k6 to launch and
+  //         // connect to a chromium-based browser, and use it to run UI-based
+  //         // tests.
+  //         type: 'chromium',
+  //       },
+  //     },
+  //   },
+  // }
+};
+
+// The function that defines VU logic.
+//
+// See https://grafana.com/docs/k6/latest/examples/get-started-with-k6/ to learn more
+// about authoring k6 scripts.
+//
+export default function() {
+  const res = http.get('http://localhost:9000/parts/hat/hat.svg');
+  check(res, { 'status was 200': (r) => r.status == 200 });
+  sleep(1);
+}