Build images to work with the BEL autoregistration harness

Signed-off-by: Flynn <flynn@buoyant.io>

.goreleaser.yaml

@@ -25,6 +25,8 @@ version: 1
 env:
   - REGISTRY={{ if index .Env "REGISTRY"  }}{{ .Env.REGISTRY }}{{ else }}ghcr.io/buoyantio{{ end }}
   - IMAGE_NAME={{ if index .Env "IMAGE_NAME"  }}{{ .Env.IMAGE_NAME }}{{ else }}faces{{ end }}
+  - EXTERNAL_BASE={{ if index .Env "EXTERNAL_BASE"  }}{{ .Env.EXTERNAL_BASE }}{{ else }}ghcr.io/buoyantio/demo-external-base:0.3.0{{ end }}
+  - BEL_EXTERNAL_BASE={{ if index .Env "BEL_EXTERNAL_BASE"  }}{{ .Env.BEL_EXTERNAL_BASE }}{{ else }}ghcr.io/buoyantio/demo-bel-external-base:0.3.0{{ end }}
 
 before:
   hooks:
@@ -121,6 +123,7 @@ dockers:
       - "{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}-external-workload:latest-arm64"
     build_flag_templates:
       - "--platform=linux/arm64"
+      - "--build-arg=EXTERNAL_BASE={{ .Env.EXTERNAL_BASE }}"
   - use: buildx
     goos: linux
     goarch: amd64
@@ -132,6 +135,31 @@ dockers:
       - "{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}-external-workload:latest-amd64"
     build_flag_templates:
       - "--platform=linux/amd64"
+      - "--build-arg=EXTERNAL_BASE={{ .Env.EXTERNAL_BASE }}"
+  - use: buildx
+    goos: linux
+    goarch: arm64
+    dockerfile: Dockerfiles/Dockerfile.bel-external-workload
+    ids:
+      - generic
+    image_templates:
+      - "{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}-bel-external-workload:{{ .Version }}-arm64"
+      - "{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}-bel-external-workload:latest-arm64"
+    build_flag_templates:
+      - "--platform=linux/arm64"
+      - "--build-arg=EXTERNAL_BASE={{ .Env.BEL_EXTERNAL_BASE }}"
+  - use: buildx
+    goos: linux
+    goarch: amd64
+    dockerfile: Dockerfiles/Dockerfile.bel-external-workload
+    ids:
+      - generic
+    image_templates:
+      - "{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}-bel-external-workload:{{ .Version }}-amd64"
+      - "{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}-bel-external-workload:latest-amd64"
+    build_flag_templates:
+      - "--platform=linux/amd64"
+      - "--build-arg=EXTERNAL_BASE={{ .Env.BEL_EXTERNAL_BASE }}"
 
   # For the Pi, we only build an external-workload image for arm64. The Pi itself
   # is arm64, so there's no point in building for amd64, and we're not going to try
@@ -152,6 +180,24 @@ dockers:
       - "{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}-pi-workload:latest"
     build_flag_templates:
       - "--platform=linux/arm64"
+      - "--build-arg=EXTERNAL_BASE={{ .Env.EXTERNAL_BASE }}"
+  - use: buildx
+    goos: linux
+    goarch: arm64
+    # Not a typo! We really do use the same Dockerfile as the generic external
+    # workload, we're just copying in our workload binary from the Pi build
+    # rather than the generic build.
+    dockerfile: Dockerfiles/Dockerfile.bel-external-workload
+    ids:
+      - pi
+    image_templates:
+      - "{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}-bel-pi-workload:{{ .Version }}-arm64"
+      - "{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}-bel-pi-workload:latest-arm64"
+      - "{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}-bel-pi-workload:{{ .Version }}"
+      - "{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}-bel-pi-workload:latest"
+    build_flag_templates:
+      - "--platform=linux/arm64"
+      - "--build-arg=EXTERNAL_BASE={{ .Env.BEL_EXTERNAL_BASE }}"
 
 docker_manifests:
   - name_template: "{{ .Env.REGISTRY }}/{{ .Env.IMAGE_NAME }}-gui:{{ .Version }}"

Dockerfiles/Dockerfile.bel-external-workload

@@ -0,0 +1,29 @@
+#!/usr/bin/env bash
+#
+# SPDX-FileCopyrightText: 2022 Buoyant Inc.
+# SPDX-License-Identifier: Apache-2.0
+#
+# Copyright 2022-2024 Buoyant Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License"); you may
+# not use this file except in compliance with the License.  You may obtain
+# a copy of the License at
+#
+#     http:#www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+ARG EXTERNAL_BASE=you-must-set-the-external-base-arg
+
+# Build over the external-workload base image.
+FROM $EXTERNAL_BASE AS final
+
+# This is associated with the faces-demo repo.
+LABEL org.opencontainers.image.source=https://github.com/BuoyantIO/faces-demo
+
+# Copy the compiled binary from the builder stage into the final image
+COPY --chmod=0755 workload /workload/start

Dockerfiles/Dockerfile.external-workload

@@ -17,10 +17,10 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-ARG BASE=ghcr.io/buoyantio/demo-external-base:0.2.0
+ARG EXTERNAL_BASE=you-must-set-the-external-base-arg
 
 # Build over the external-workload base image.
-FROM $BASE AS final
+FROM $EXTERNAL_BASE AS final
 
 # This is associated with the faces-demo repo.
 LABEL org.opencontainers.image.source=https://github.com/BuoyantIO/faces-demo

pkg/faces/baseserver.go

@@ -153,6 +153,7 @@ func (srv *BaseServer) SetupFromEnvironment() {
 	}
 
 	srv.RegisterCustom("/rl", srv.rlGetHandler)
+	srv.RegisterCustom("/ready", srv.readyHandler)
 
 	srv.userHeaderName = utils.StringFromEnv("USER_HEADER_NAME", "X-Faces-User")
 	srv.hostIP = utils.StringFromEnv("HOST_IP", utils.StringFromEnv("HOSTNAME", "unknown"))
@@ -350,6 +351,15 @@ func (srv *BaseServer) rlGetHandler(w http.ResponseWriter, r *http.Request) {
 	})
 }
 
+func (srv *BaseServer) readyHandler(w http.ResponseWriter, r *http.Request) {
+	srv.StandardResponse(w, r, &BaseServerResponse{
+		StatusCode: http.StatusOK,
+		Data: map[string]interface{}{
+			"ready": true,
+		},
+	})
+}
+
 func (srv *BaseServer) standardGetHandler(w http.ResponseWriter, r *http.Request, userFunc BaseServerHandler) {
 	start := time.Now()