scaffolding

.gitignore

@@ -22,3 +22,9 @@ _testmain.go
 *.exe
 *.test
 *.prof
+
+/bin
+/.go
+/.*-push
+/.*-container
+/.*-dockerfile

Dockerfile.kuard

@@ -0,0 +1,20 @@
+# Copyright 2017 The KUAR Authors
+#
+# 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.
+
+FROM ARG_FROM
+
+ADD bin/ARG_FAKEVER/ARG_ARCH/ARG_BIN /ARG_BIN
+
+USER nobody:nobody
+ENTRYPOINT ["/ARG_BIN"]

Makefile

@@ -0,0 +1,52 @@
+# Copyright 2016 The Kubernetes Authors.
+#
+# 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.
+
+#
+# `make help` will show commonly used targets.
+#
+
+# We don't need make's built-in rules.
+MAKEFLAGS += --no-builtin-rules
+.SUFFIXES:
+
+# Golang package.
+PKG := github.com/jbeda/kuard
+
+# List of binaries to build. You must have a matching Dockerfile.BINARY
+# for each BINARY.
+BINARIES := kuard
+
+# Registry to push to.
+REGISTRY ?= gcr.io/kuar-demo/kuard
+
+# Default architecture to build for.
+ARCH ?= amd64
+
+# Image to use for building.
+BUILD_IMAGE ?= golang:1.7-alpine
+
+# For demo purposes, we want to build multiple versions.  They will all be
+# mostly the same but will let us demonstrate rollouts.
+FAKE_VERSIONS = a b c
+
+# This is the real version.  We'll grab it from git and use tags.
+VERSION_BASE ?= $(shell git describe --tags --always --dirty)
+# This version-strategy uses a manual value to set the version string
+#VERSION := 1.2.3
+
+# Set to 1 to print more verbose output from the build.
+VERBOSE ?= 0
+
+# Include standard build rules.
+include rules.mk

README.md

@@ -0,0 +1,7 @@
+A demo application for "Kubernetes Up and Running".
+
+---
+
+Go building template stuff taken from
+https://github.com/thockin/go-build-template with an Apache 2.0 license.
+Handling multiple targets taken from https://github.com/bowei/go-build-template.

build/build.sh

@@ -0,0 +1,40 @@
+#!/bin/sh
+#
+# Copyright 2016 The Kubernetes Authors.
+#
+# 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.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+if [ -z "${PKG}" ]; then
+    echo "PKG must be set"
+    exit 1
+fi
+if [ -z "${ARCH}" ]; then
+    echo "ARCH must be set"
+    exit 1
+fi
+if [ -z "${VERSION}" ]; then
+    echo "VERSION must be set"
+    exit 1
+fi
+
+export CGO_ENABLED=0
+export GOARCH="${ARCH}"
+
+go install                                                         \
+    -installsuffix "static"                                        \
+    -ldflags "-X ${PKG}/pkg/version.VERSION=${VERSION}"            \
+    ./...

build/test.sh

@@ -0,0 +1,52 @@
+#!/bin/sh
+#
+# Copyright 2016 The Kubernetes Authors.
+#
+# 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.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+export CGO_ENABLED=0
+
+TARGETS=$(for d in "$@"; do echo ./$d/...; done)
+
+echo "Running tests:"
+go test -i -installsuffix "static" ${TARGETS}
+go test -installsuffix "static" ${TARGETS}
+echo
+
+echo -n "Checking gofmt: "
+ERRS=$(find "$@" -type f -name \*.go | xargs gofmt -l 2>&1 || true)
+if [ -n "${ERRS}" ]; then
+    echo "FAIL - the following files need to be gofmt'ed:"
+    for e in ${ERRS}; do
+        echo "    $e"
+    done
+    echo
+    exit 1
+fi
+echo "PASS"
+echo
+
+echo -n "Checking go vet: "
+ERRS=$(go vet ${TARGETS} 2>&1 || true)
+if [ -n "${ERRS}" ]; then
+    echo "FAIL"
+    echo "${ERRS}"
+    echo
+    exit 1
+fi
+echo "PASS"
+echo

cmd/kuard/main.go

@@ -0,0 +1,27 @@
+/*
+Copyright 2017 The KUAR Authors
+
+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.
+*/
+
+package main
+
+import (
+	"log"
+
+	"github.com/jbeda/kuard/pkg/version"
+)
+
+func main() {
+	log.Printf("Starting kuard version: %v", version.VERSION)
+}

pkg/version/version.go

@@ -0,0 +1,19 @@
+/*
+Copyright 2017 The KUAR Authors
+
+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.
+*/
+
+package version
+
+var VERSION = "UNKNOWN"