reenable ipv4 and added userdata test

internal/hetzner/hetzneragent.go

@@ -94,7 +94,7 @@ func CreateNewAgent(cfg *config.Config) (*hcloud.Server, error) {
 	}
 
 	networkConf := hcloud.ServerCreatePublicNet{
-		EnableIPv4: false,
+		EnableIPv4: true,
 		EnableIPv6: true,
 	}
 

internal/hetzner/hetzneragent_test.go

@@ -0,0 +1,55 @@
+package hetzner
+
+import (
+	"testing"
+
+	"git.uploadfilter24.eu/covidnetes/woodpecker-autoscaler/internal/config"
+)
+
+func TestGenerateUserData(t *testing.T) {
+	cfg := config.Config{
+		LogLevel:                "Info",
+		CheckInterval:           5,
+		DryRun:                  false,
+		WoodpeckerLabelSelector: "uploadfilter24.eu/instance-role=WoodpeckerTest",
+		WoodpeckerInstance:      "http://woodpecker.test.tld",
+		WoodpeckerGrpc:          "grpc-test.woodpecker.test.tld:443",
+		WoodpeckerAgentSecret:   "Geheim1!",
+		WoodpeckerApiToken:      "VeryGeheim1!",
+		HcloudToken:             "EvenMoreGeheim1!",
+		HcloudInstanceType:      "cpx21",
+		HcloudRegion:            "eu-central",
+		HcloudDatacenter:        "fsn1-dc14",
+		HcloudSSHKeys:           "test-key",
+	}
+	wanted := `
+#cloud-config
+write_files:
+- content: |
+    # docker-compose.yml
+    version: '3'
+    services:
+      woodpecker-agent:
+        image: woodpeckerci/woodpecker-agent:latest
+        command: agent
+        restart: always
+        volumes:
+          - /var/run/docker.sock:/var/run/docker.sock
+        environment:
+          - WOODPECKER_AGENT_SECRET="Geheim1!"
+          - WOODPECKER_FILTER_LABELS="uploadfilter24.eu/instance-role=WoodpeckerTest"
+          - WOODPECKER_GRPC_SECURE=true
+          - WOODPECKER_HOSTNAME="test-instance"
+          - WOODPECKER_SERVER="grpc-test.woodpecker.test.tld:443"
+  path: /root/docker-compose.yml
+runcmd:
+- [ sh, -xc, "cd /root; docker run --rm --privileged multiarch/qemu-user-static --reset -p yes; docker compose up -d" ]
+`
+	got, err := generateConfig(&cfg, "test-instance")
+	if err != nil {
+		t.Errorf("Error in generating Config: %v", err)
+	}
+	if wanted != got {
+		t.Errorf("got:\n%v\n, wanted:\n%v", got, wanted)
+	}
+}