oxide: initial node controller (#116)

Added a node controller to initialize Kubernetes nodes as they come
online. More work is necessary to read the configuration and document
how to deploy this cloud controller manager but that will be addressed
in follow-up commits.

Relates to #105.

Author: sudomateo

Containerfile

@@ -0,0 +1,17 @@
+FROM docker.io/golang:1.25.0 AS builder
+
+WORKDIR /app
+COPY . .
+
+RUN CGO_ENABLED=0 go build .
+
+FROM docker.io/debian:bookworm
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends ca-certificates curl && \
+    apt-get clean && \
+    rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /app/oxide-cloud-controller-manager /usr/bin/oxide-cloud-controller-manager
+
+ENTRYPOINT ["oxide-cloud-controller-manager"]

go.mod

@@ -1,9 +1,12 @@
 module github.com/oxidecomputer/oxide-cloud-controller-manager
 
-go 1.24.5
+go 1.25.0
 
 require (
+	github.com/oxidecomputer/oxide.go v0.5.0
+	k8s.io/api v0.33.3
 	k8s.io/apimachinery v0.33.3
+	k8s.io/client-go v0.33.3
 	k8s.io/cloud-provider v0.33.3
 	k8s.io/component-base v0.33.3
 	k8s.io/klog/v2 v2.130.1
@@ -21,21 +24,21 @@ require (
 	github.com/coreos/go-semver v0.3.1 // indirect
 	github.com/coreos/go-systemd/v22 v22.5.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/emicklei/go-restful/v3 v3.12.2 // indirect
+	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
-	github.com/fxamacker/cbor/v2 v2.9.0 // indirect
-	github.com/go-logr/logr v1.4.3 // indirect
+	github.com/fxamacker/cbor/v2 v2.7.0 // indirect
+	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-logr/zapr v1.3.0 // indirect
-	github.com/go-openapi/jsonpointer v0.21.1 // indirect
-	github.com/go-openapi/jsonreference v0.21.0 // indirect
-	github.com/go-openapi/swag v0.23.1 // indirect
+	github.com/go-openapi/jsonpointer v0.21.0 // indirect
+	github.com/go-openapi/jsonreference v0.20.2 // indirect
+	github.com/go-openapi/swag v0.23.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/protobuf v1.5.4 // indirect
 	github.com/google/btree v1.1.3 // indirect
 	github.com/google/cel-go v0.23.2 // indirect
-	github.com/google/gnostic-models v0.7.0 // indirect
+	github.com/google/gnostic-models v0.6.9 // indirect
 	github.com/google/go-cmp v0.7.0 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
@@ -44,11 +47,12 @@ require (
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/kylelemons/godebug v1.1.0 // indirect
-	github.com/mailru/easyjson v0.9.0 // indirect
+	github.com/mailru/easyjson v0.7.7 // indirect
 	github.com/moby/term v0.5.0 // indirect
 	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/pelletier/go-toml v1.9.5 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/prometheus/client_golang v1.22.0 // indirect
 	github.com/prometheus/client_model v0.6.1 // indirect
@@ -73,37 +77,32 @@ require (
 	go.opentelemetry.io/proto/otlp v1.4.0 // indirect
 	go.uber.org/multierr v1.11.0 // indirect
 	go.uber.org/zap v1.27.0 // indirect
-	go.yaml.in/yaml/v2 v2.4.2 // indirect
-	go.yaml.in/yaml/v3 v3.0.4 // indirect
-	golang.org/x/crypto v0.40.0 // indirect
+	golang.org/x/crypto v0.36.0 // indirect
 	golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect
-	golang.org/x/net v0.42.0 // indirect
-	golang.org/x/oauth2 v0.30.0 // indirect
-	golang.org/x/sync v0.16.0 // indirect
-	golang.org/x/sys v0.34.0 // indirect
-	golang.org/x/term v0.33.0 // indirect
-	golang.org/x/text v0.27.0 // indirect
-	golang.org/x/time v0.12.0 // indirect
+	golang.org/x/net v0.38.0 // indirect
+	golang.org/x/oauth2 v0.27.0 // indirect
+	golang.org/x/sync v0.12.0 // indirect
+	golang.org/x/sys v0.31.0 // indirect
+	golang.org/x/term v0.30.0 // indirect
+	golang.org/x/text v0.23.0 // indirect
+	golang.org/x/time v0.9.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20241209162323-e6fa225c2576 // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20241209162323-e6fa225c2576 // indirect
 	google.golang.org/grpc v1.68.1 // indirect
-	google.golang.org/protobuf v1.36.6 // indirect
+	google.golang.org/protobuf v1.36.5 // indirect
 	gopkg.in/evanphx/json-patch.v4 v4.12.0 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/natefinch/lumberjack.v2 v2.2.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
-	k8s.io/api v0.33.3 // indirect
 	k8s.io/apiserver v0.33.3 // indirect
-	k8s.io/client-go v0.33.3 // indirect
 	k8s.io/component-helpers v0.33.3 // indirect
 	k8s.io/controller-manager v0.33.3 // indirect
 	k8s.io/kms v0.33.3 // indirect
-	k8s.io/kube-openapi v0.0.0-20250710124328-f3f2b991d03b // indirect
-	k8s.io/utils v0.0.0-20250604170112-4c0f3b243397 // indirect
+	k8s.io/kube-openapi v0.0.0-20250318190949-c8a335a9a2ff // indirect
+	k8s.io/utils v0.0.0-20241104100929-3ea5e8cea738 // indirect
 	sigs.k8s.io/apiserver-network-proxy/konnectivity-client v0.31.2 // indirect
-	sigs.k8s.io/json v0.0.0-20241014173422-cfa47c3a1cc8 // indirect
+	sigs.k8s.io/json v0.0.0-20241010143419-9aa6b5e7a4b3 // indirect
 	sigs.k8s.io/randfill v1.0.0 // indirect
-	sigs.k8s.io/structured-merge-diff/v4 v4.7.0 // indirect
-	sigs.k8s.io/structured-merge-diff/v6 v6.3.0 // indirect
-	sigs.k8s.io/yaml v1.5.0 // indirect
+	sigs.k8s.io/structured-merge-diff/v4 v4.6.0 // indirect
+	sigs.k8s.io/yaml v1.4.0 // indirect
 )