Add skeleton for gRPC Commander Service (#408)

Author: kate-osborn

build/nginx-with-agent/nginx-agent.conf

@@ -28,8 +28,10 @@ dataplane:
 metrics:
   # specify the size of a buffer to build before sending metrics
   bulk_size: 20
-  # specify metrics poll interval
-  report_interval: 1m
+  # setting the report interval to 1 year because our control plane doesn't implement the metrics server
+  # so the agent spams the logs with error messages and retries. Ideally, we'll be able to disable the metrics
+  # client altogether in the future.
+  report_interval: 8760h
   collection_interval: 15s
   mode: aggregated
 
@@ -40,3 +42,12 @@ config_dirs: "/etc/nginx"
 api:
   # default port for Agent API, this is for the server configuration of the REST API
   port: 8081
+
+server:
+  host: 127.0.0.1
+  grpcPort: 54789
+
+# TLS is temporarily disabled. Once we fully separate the data plane from the control plane TLS will be enabled.
+tls:
+  enable: false
+  skip_verify: true

build/nginx-with-agent/nginx-with-agent.yaml

@@ -20,7 +20,6 @@ spec:
         imagePullPolicy: IfNotPresent
         name: nginx-with-agent
         securityContext:
-          allowPrivilegeEscalation: true
           runAsNonRoot: true
           runAsUser: 101 #nginx
           capabilities:

deploy/manifests/nginx-gateway.yaml

@@ -116,7 +116,7 @@ spec:
         args:
         - --gateway-ctlr-name=k8s-gateway.nginx.org/nginx-gateway-controller
         - --gatewayclass=nginx
-      - image: nginx:1.23
+      - image: nginx:1.23 # I will remove the nginx container once the control plane can push config to nginx-with-agent.
         imagePullPolicy: IfNotPresent
         name: nginx
         ports:
@@ -131,3 +131,17 @@ spec:
           mountPath: /var/lib/nginx
         - name: njs-modules
           mountPath: /usr/lib/nginx/modules/njs
+      - name: nginx-with-agent
+        image: docker.io/nginx-kubernetes-gateway/nginx-with-agent:edge
+        imagePullPolicy: IfNotPresent
+        securityContext:
+          runAsNonRoot: true
+          runAsUser: 101 #nginx
+          capabilities:
+            drop:
+            - ALL
+        ports:
+        - name: http
+          containerPort: 8080
+        - name: https
+          containerPort: 8443

go.mod

@@ -6,10 +6,12 @@ require (
 	github.com/go-logr/logr v1.2.3
 	github.com/google/go-cmp v0.5.9
 	github.com/maxbrunsfeld/counterfeiter/v6 v6.6.1
+	github.com/nginx/agent/sdk/v2 v2.23.1
 	github.com/onsi/ginkgo v1.16.5
 	github.com/onsi/ginkgo/v2 v2.9.0
 	github.com/onsi/gomega v1.27.2
 	github.com/spf13/pflag v1.0.5
+	google.golang.org/grpc v1.52.0
 	k8s.io/api v0.26.2
 	k8s.io/apimachinery v0.26.2
 	k8s.io/client-go v0.26.2
@@ -19,6 +21,7 @@ require (
 
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
+	github.com/cenkalti/backoff/v4 v4.2.0 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/emicklei/go-restful/v3 v3.9.0 // indirect
@@ -36,7 +39,8 @@ require (
 	github.com/google/gnostic v0.5.7-v3refs // indirect
 	github.com/google/gofuzz v1.1.0 // indirect
 	github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38 // indirect
-	github.com/google/uuid v1.1.2 // indirect
+	github.com/google/uuid v1.3.0 // indirect
+	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0 // indirect
 	github.com/imdario/mergo v0.3.12 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
@@ -45,26 +49,30 @@ require (
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
+	github.com/nginxinc/nginx-go-crossplane v0.4.1 // indirect
 	github.com/nxadm/tail v1.4.8 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/client_golang v1.14.0 // indirect
 	github.com/prometheus/client_model v0.3.0 // indirect
 	github.com/prometheus/common v0.37.0 // indirect
 	github.com/prometheus/procfs v0.8.0 // indirect
+	github.com/rogpeppe/go-internal v1.9.0 // indirect
+	github.com/sirupsen/logrus v1.9.0 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.7.0 // indirect
 	go.uber.org/zap v1.24.0 // indirect
 	golang.org/x/mod v0.8.0 // indirect
 	golang.org/x/net v0.7.0 // indirect
-	golang.org/x/oauth2 v0.0.0-20220223155221-ee480838109b // indirect
+	golang.org/x/oauth2 v0.0.0-20221014153046-6fdb5e3db783 // indirect
 	golang.org/x/sys v0.5.0 // indirect
 	golang.org/x/term v0.5.0 // indirect
 	golang.org/x/text v0.7.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
 	golang.org/x/tools v0.6.0 // indirect
 	gomodules.xyz/jsonpatch/v2 v2.2.0 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/protobuf v1.28.1 // indirect
+	google.golang.org/genproto v0.0.0-20221227171554-f9683d7f8bef // indirect
+	google.golang.org/protobuf v1.28.2-0.20220831092852-f930b1dc76e8 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect