Add E2E test cases

Author: snorwin

.github/workflows/main.yml

@@ -33,14 +33,4 @@ jobs:
           platforms: linux/amd64
           build-args: |
             VERSION=main
-            HASH=${{ github.sha }}
-      - name: Prune ghcr images
-        uses: vlaurin/action-ghcr-prune@main
-        with:
-          token: ${{ secrets.PRUNE_IMAGE_TOKEN }}
-          container: ${{github.event.repository.name}}
-          dry-run: false
-          older-than: 7
-          keep-last: 2
-          untagged: true
-          keep-tags-regexes: (latest|alpine|2.5|2.5-alpine|2.5.5|2.5.5-alpine)
+            HASH=${{ github.sha }}

.github/workflows/publish.yml

@@ -1,4 +1,4 @@
-name: Publish Release
+name: Publish (Release)
 
 on:
   release:

.github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: Test
+name: E2E Tests
 
 on:
   push:
@@ -47,4 +47,54 @@ jobs:
       - name: Install Helm chart for testing
         run: |
           kubectl cluster-info
-          helm install test test/helm/ --set image=ghcr.io/snorwin/haproxy:${{ github.sha }}
+          helm install test test/helm/ --set image=ghcr.io/snorwin/haproxy:${{ github.sha }}
+      - name: Verify that client can connect to server using HAProxy
+        run: |
+          kubectl apply -f test/pod01.yaml
+          sleep 90
+          if [ $(kubectl logs http-client-01 | grep "HTTP/1.0 200" | wc -l) -le 0 ]; then
+            exit 1
+          fi
+      - name: Change HAProxy configuration (change timeout)
+        run: |
+          kubectl get cm haproxy-config -o yaml | sed 's/timeout client 10s/timeout client 15s/' | kubectl apply -f -
+          sleep 90
+      - name: Verify that configuration was reloaded hitless
+        run: |
+          if [ $( kubectl logs haproxy | grep "reload successful" | wc -l) -ne 1 ]; then
+            exit 1
+          fi
+          if [ $(kubectl logs http-client-01 | grep error | wc -l) -gt 0 ]; then
+            exit 1
+          fi
+      - name: Change HAProxy configuration (invalid)
+        run: |
+          kubectl apply -f test/configmap-01.yaml
+          sleep 90
+      - name: Verify that configuration was NOT reloaded
+        run: |
+          if [ $( kubectl logs haproxy | grep "reload failed" | wc -l) -ne 1 ]; then
+            exit 1
+          fi
+          if [ $(kubectl logs http-client-01 | grep error | wc -l) -gt 0 ]; then
+            exit 1
+          fi
+      - name: Change HAProxy configuration (add listen)
+        run: |
+          kubectl apply -f test/configmap-02.yaml
+          sleep 90
+      - name: Verify that configuration was reloaded hitless
+        run: |
+          if [ $( kubectl logs haproxy | grep "reload successful" | wc -l) -ne 2 ]; then
+            exit 1
+          fi
+          if [ $(kubectl logs http-client-01 | grep error | wc -l) -gt 0 ]; then
+            exit 1
+          fi
+      - name: Verify that new client can connect to server using HAProxy
+        run: |
+          kubectl apply -f test/pod02.yaml
+          sleep 90
+          if [ $(kubectl logs http-client-02 | grep "HTTP/1.0 200" | wc -l) -le 0 ]; then
+            exit 1
+          fi

test/configmap-01.yaml

@@ -0,0 +1,22 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: haproxy-config
+data:
+  haproxy.cfg: |
+    global
+      maxconn 1000
+      stats socket /var/run/haproxy.sock mode 600 level admin expose-fd listeners
+      stats timeout 2m
+    
+    default
+      mode http
+      timeout client 10s
+      timeout connect 5s
+      timeout server 10s
+      timeout http-request 10s
+    
+    listen foo
+      bind :8080
+      server server1 http-server-service:8080
+---

test/configmap-02.yaml

@@ -0,0 +1,26 @@
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: haproxy-config
+data:
+  haproxy.cfg: |
+    global
+      maxconn 1000
+      stats socket /var/run/haproxy.sock mode 600 level admin expose-fd listeners
+      stats timeout 2m
+    
+    defaults
+      mode http
+      timeout client 10s
+      timeout connect 5s
+      timeout server 10s
+      timeout http-request 10s
+    
+    listen foo
+      bind :8080
+      server server1 http-server-service:8080
+    
+    listen bar
+      bind :6000
+      server server1 http-server-service:8080
+---

test/helm/templates/pods.yaml

@@ -39,19 +39,4 @@ spec:
         - /bin/bash
         - -c
         - python3 -m http.server 8080 --bind 0.0.0.0
----
-apiVersion: v1
-kind: Pod
-metadata:
-  name: http-client
-  labels:
-    app.kubernetes.io/name: http-client
-spec:
-  containers:
-    - name: siege
-      image: ghcr.io/snorwin/siege:4.1.2
-      command:
-        - /bin/bash
-        - -c
-        - siege -c10 http://haproxy-service:8080
 ---

test/pod01.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: http-client-01
+  labels:
+    app.kubernetes.io/name: http-client-01
+spec:
+  containers:
+    - name: siege
+      image: ghcr.io/snorwin/siege:4.1.2
+      command:
+        - /bin/bash
+        - -c
+        - siege -c10 http://haproxy-service:8080
+---

test/pod02.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Pod
+metadata:
+  name: http-client-02
+  labels:
+    app.kubernetes.io/name: http-client-02
+spec:
+  containers:
+    - name: siege
+      image: ghcr.io/snorwin/siege:4.1.2
+      command:
+        - /bin/bash
+        - -c
+        - siege -c10 http://haproxy-service:6000
+---