move plugin proto updating into make update (#1887)

Signed-off-by: Steve Kriss <krisss@vmware.com>

hack/build-image/Dockerfile

@@ -1,4 +1,4 @@
-# Copyright 2018 the Velero contributors.
+# Copyright 2018, 2019 the Velero contributors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -25,4 +25,17 @@ RUN mkdir -p /go/src/k8s.io && \
     cd /go/src/golang.org/x/tools && \
     git checkout 40a48ad93fbe707101afb2099b738471f70594ec && \
     go install ./cmd/goimports && \
-    echo chmod -R a+w /go
+    echo chmod -R a+w /go && \
+    # download & install protoc
+    apt-get update && apt-get install -y unzip && \
+    wget --quiet https://github.com/protocolbuffers/protobuf/releases/download/v3.9.1/protoc-3.9.1-linux-x86_64.zip && \
+    unzip protoc-3.9.1-linux-x86_64.zip && \
+    mv bin/protoc /usr/bin/protoc && \
+    chmod +x /usr/bin/protoc && \
+    # download & install protoc-gen-go plugin (v1.0.0)
+    mkdir -p /go/src/github.com/golang && \
+    cd /go/src/github.com/golang && \
+    git config --global advice.detachedHead false && \
+    git clone -b v1.0.0 https://github.com/golang/protobuf && \
+    cd /go/src/github.com/golang/protobuf && \
+    go install ./protoc-gen-go

hack/update-proto.sh

@@ -1,6 +1,6 @@
 #!/bin/bash -e
 #
-# Copyright 2017 the Velero contributors.
+# Copyright 2017, 2019 the Velero contributors.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -16,8 +16,8 @@
 
 HACK_DIR=$(dirname "${BASH_SOURCE}")
 
-echo "Running protoc"
+echo "Updating plugin proto"
 
 protoc pkg/plugin/proto/*.proto --go_out=plugins=grpc:pkg/plugin/generated/ -I pkg/plugin/proto/
 
-echo "Success!"
+echo "Updating plugin proto - done!"

site/docs/master/development.md

@@ -7,10 +7,7 @@ Run `make update` to regenerate files if you make the following changes:
 * Add/edit/remove command line flags and/or their help text
 * Add/edit/remove commands or subcommands
 * Add new API types
-
-Run [generate-proto.sh][13] to regenerate files if you make the following changes:
-
-* Add/edit/remove protobuf message or service definitions. These changes require the [proto compiler][14] and compiler plugin `protoc-gen-go` version v1.0.0.
+* Add/edit/remove plugin protobuf message or service definitions
 
 The following files are automatically generated from the source code:
 
@@ -31,5 +28,3 @@ To run unit tests, use `make test`.
 If you need to add or update the vendored dependencies, see [Vendoring dependencies][11].
 
 [11]: vendoring-dependencies.md
-[13]: https://github.com/heptio/velero/blob/master/hack/generate-proto.sh
-[14]: https://grpc.io/docs/quickstart/go.html#install-protocol-buffers-v3