Merge pull request #4 from commitdev/add-status-about-endpoint

Add status/about endpoint for frontend to hit

Author: bmonkman

.circleci/README.md

@@ -5,7 +5,14 @@
 ### Requirements
 
 Requires you to configure the below [CircleCI Environment Variables](https://circleci.com/docs/2.0/env-vars/):
+To get your ECR repositories and EKS clusters:
+```shell
+$ aws ecr describe-repositories --query "repositories[].repositoryUri"
+$ aws eks list-clusters --query "clusters"
+```
 
+- AWS_ACCESS_KEY_ID                     # AWS access key for the circleci user - this should be in AWS secret manager
+- AWS_SECRET_ACCESS_KEY                 # AWS secret for the circleci user - this should be in AWS secret manager
 - AWS_DEFAULT_REGION                    # Region of your cluster
 - AWS_ECR_ACCOUNT_URL                   # {awsAccountNum}.dkr.ecr.{region}.amazonaws.com
 - AWS_ECR_REPO_NAME                     # The ECR repository name to write images to

kubernetes/base/deployment.yml

@@ -37,6 +37,10 @@ spec:
           - configMapRef:
               name: <% .Name %>-config
           env:
+        - name: POD_NAME
+          valueFrom:
+            fieldRef:
+              fieldPath: metadata.name
           - name: DATABASE_USERNAME
             valueFrom:
                 secretKeyRef:

main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"encoding/json"
 	"fmt"
 	"html"
 	"log"
@@ -21,6 +22,17 @@ func main() {
 	r := http.NewServeMux()
 	r.HandleFunc("/status/ready", readinessCheckEndpoint)
 
+	// Something for the example frontend to hit
+	r.HandleFunc("/status/about", func(w http.ResponseWriter, r *http.Request) {
+		response, err := json.Marshal(map[string]string{"podName": os.Getenv("POD_NAME")})
+		if err == nil {
+			w.Header().Set("Content-Type", "application/json")
+			w.Write(response)
+		} else {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
+	})
+
 	r.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
 		fmt.Fprintf(w, "Hello, %q", html.EscapeString(r.URL.Path))
 	})