initial commit

Signed-off-by: Jess Frazelle <acidburn@google.com>

.travis.yml

@@ -0,0 +1,43 @@
+---
+  language: go
+  sudo: false
+  notifications:
+    email: true
+  go:
+    - 1.6.x
+    - 1.7.x
+    - 1.8.x
+    - tip
+  env:
+    global:
+      - GO15VENDOREXPERIMENT=1
+  install:
+    - go get github.com/golang/lint/golint
+  script:
+    - go build -v
+    - go vet $(go list ./... | grep -v vendor)
+    - test -z "$(golint ./... | grep -v vendor | tee /dev/stderr)"
+    - test -z "$(gofmt -s -l . | grep -v vendor | tee /dev/stderr)"
+    - go test $(go list ./... | grep -v vendor)
+    - make release
+  deploy:
+    provider: releases
+    api_key:
+      secure: "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"
+    go: 1.8.x
+    file:
+      - cross/amicontained-linux-amd64.md5
+      - cross/amicontained-linux-arm
+      - cross/amicontained-linux-arm64.sha256
+      - cross/amicontained-linux-arm.sha256
+      - cross/amicontained-linux-386.sha256
+      - cross/amicontained-linux-arm64.md5
+      - cross/amicontained-linux-arm64
+      - cross/amicontained-linux-amd64.sha256
+      - cross/amicontained-linux-386.md5
+      - cross/amicontained-linux-arm.md5
+      - cross/amicontained-linux-386
+      - cross/amicontained-linux-amd64
+    skip_cleanup: true
+    on:
+      tags: true

Makefile

@@ -0,0 +1,125 @@
+# Set an output prefix, which is the local directory if not specified
+PREFIX?=$(shell pwd)
+
+# Setup name variables for the package/tool
+NAME := amicontained
+PKG := github.com/jessfraz/$(NAME)
+
+# Set any default go build tags
+BUILDTAGS :=
+
+# Set the build dir, where built cross-compiled binaries will be output
+BUILDDIR := ${PREFIX}/cross
+
+# Populate version variables
+# Add to compile time flags
+VERSION := $(shell cat VERSION)
+GITCOMMIT := $(shell git rev-parse --short HEAD)
+GITUNTRACKEDCHANGES := $(shell git status --porcelain --untracked-files=no)
+ifneq ($(GITUNTRACKEDCHANGES),)
+	GITCOMMIT := $(GITCOMMIT)-dirty
+endif
+CTIMEVAR=-X $(PKG)/version.GITCOMMIT=$(GITCOMMIT) -X $(PKG)/version.VERSION=$(VERSION)
+GO_LDFLAGS=-ldflags "-w $(CTIMEVAR)"
+GO_LDFLAGS_STATIC=-ldflags "-w $(CTIMEVAR) -extldflags -static"
+
+# List the GOOS and GOARCH to build
+GOOSARCHES = linux/arm linux/arm64 linux/amd64 linux/386
+
+all: clean build fmt lint test vet install ## Runs a clean, build, fmt, lint, test, vet and install
+
+.PHONY: build
+build: $(NAME) ## Builds a dynamic executable or package
+
+$(NAME): *.go VERSION
+	@echo "+ $@"
+	go build -tags "$(BUILDTAGS)" ${GO_LDFLAGS} -o $(NAME) .
+
+.PHONY: static
+static: ## Builds a static executable
+	@echo "+ $@"
+	CGO_ENABLED=0 go build \
+				-tags "$(BUILDTAGS) static_build" \
+				${GO_LDFLAGS_STATIC} -o $(NAME) .
+
+.PHONY: fmt
+fmt: ## Verifies all files have men `gofmt`ed
+	@echo "+ $@"
+	@gofmt -s -l . | grep -v '.pb.go:' | grep -v vendor | tee /dev/stderr
+
+.PHONY: lint
+lint: ## Verifies `golint` passes
+	@echo "+ $@"
+	@golint ./... | grep -v '.pb.go:' | grep -v vendor | tee /dev/stderr
+
+.PHONY: test
+test: ## Runs the go tests
+	@echo "+ $@"
+	@go test -v -tags "$(BUILDTAGS) cgo" $(shell go list ./... | grep -v vendor)
+
+.PHONY: vet
+vet: ## Verifies `go vet` passes
+	@echo "+ $@"
+	@go vet $(shell go list ./... | grep -v vendor) | grep -v '.pb.go:' | tee /dev/stderr
+
+.PHONY: install
+install: ## Installs the executable or package
+	@echo "+ $@"
+	@go install .
+
+define buildpretty
+mkdir -p $(BUILDDIR)/$(1)/$(2);
+GOOS=$(1) GOARCH=$(2) CGO_ENABLED=0 go build \
+	 -o $(BUILDDIR)/$(1)/$(2)/$(NAME) \
+	 -a -tags "$(BUILDTAGS) static_build netgo" \
+	 -installsuffix netgo ${GO_LDFLAGS_STATIC} .;
+md5sum $(BUILDDIR)/$(1)/$(2)/$(NAME) > $(BUILDDIR)/$(1)/$(2)/$(NAME).md5;
+sha256sum $(BUILDDIR)/$(1)/$(2)/$(NAME) > $(BUILDDIR)/$(1)/$(2)/$(NAME).sha256;
+endef
+
+.PHONY: cross
+cross: *.go VERSION ## Builds the cross-compiled binaries, creating a clean directory structure (eg. GOOS/GOARCH/binary)
+	@echo "+ $@"
+	$(foreach GOOSARCH,$(GOOSARCHES), $(call buildpretty,$(subst /,,$(dir $(GOOSARCH))),$(notdir $(GOOSARCH))))
+
+define buildrelease
+GOOS=$(1) GOARCH=$(2) CGO_ENABLED=0 go build \
+	 -o $(BUILDDIR)/$(NAME)-$(1)-$(2) \
+	 -a -tags "$(BUILDTAGS) static_build netgo" \
+	 -installsuffix netgo ${GO_LDFLAGS_STATIC} .;
+md5sum $(BUILDDIR)/$(NAME)-$(1)-$(2) > $(BUILDDIR)/$(NAME)-$(1)-$(2).md5;
+sha256sum $(BUILDDIR)/$(NAME)-$(1)-$(2) > $(BUILDDIR)/$(NAME)-$(1)-$(2).sha256;
+endef
+
+.PHONY: release
+release: *.go VERSION ## Builds the cross-compiled binaries, naming them in such a way for release (eg. binary-GOOS-GOARCH)
+	@echo "+ $@"
+	$(foreach GOOSARCH,$(GOOSARCHES), $(call buildrelease,$(subst /,,$(dir $(GOOSARCH))),$(notdir $(GOOSARCH))))
+
+.PHONY: bump-version
+BUMP := patch
+bump-version: ## Bump the version in the version file. Set KIND to [ patch | major | minor ]
+	@go get -u github.com/jessfraz/junk/sembump # update sembump tool
+	$(eval NEW_VERSION = $(shell sembump --kind $(BUMP) $(VERSION)))
+	@echo "Bumping VERSION from $(VERSION) to $(NEW_VERSION)"
+	echo $(NEW_VERSION) > VERSION
+	@echo "Updating links to download binaries in README.md"
+	sed -i s/$(VERSION)/$(NEW_VERSION)/g README.md
+	git add VERSION README.md
+	git commit -vsam "Bump version to $(NEW_VERSION)"
+	@echo "Run make tag to create and push the tag for new version $(NEW_VERSION)"
+
+.PHONY: tag
+tag: ## Create a new git tag to prepare to build a release
+	git tag -sa $(VERSION) -m "$(VERSION)"
+	@echo "Run git push origin $(VERSION) to push your new tag to GitHub and trigger a travis build."
+
+.PHONY: clean
+clean: ## Cleanup any build binaries or packages
+	@echo "+ $@"
+	$(RM) $(NAME)
+	$(RM) -r $(BUILDDIR)
+
+.PHONY: help
+help:
+	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'

README.md

@@ -0,0 +1,24 @@
+# amicontained
+
+[![Travis CI](https://travis-ci.org/jessfraz/amicontained.svg?branch=master)](https://travis-ci.org/jessfraz/amicontained)
+
+Container introspection tool. Find out what container runtime is being used as
+well as features available.
+
+## Installation
+
+#### Binaries
+
+- **linux** [386](https://github.com/jessfraz/amicontained/releases/download/v0.0.0/amicontained-linux-386) / [amd64](https://github.com/jessfraz/amicontained/releases/download/v0.0.0/amicontained-linux-amd64) / [arm](https://github.com/jessfraz/amicontained/releases/download/v0.0.0/amicontained-linux-arm) / [arm64](https://github.com/jessfraz/amicontained/releases/download/v0.0.0/amicontained-linux-arm64)
+
+#### Via Go
+
+```bash
+$ go get github.com/jessfraz/amicontained
+```
+
+## Usage
+
+```console
+$ amicontained -h
+```

VERSION

@@ -0,0 +1 @@
+v0.0.0

main.go

@@ -0,0 +1,81 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+
+	"github.com/Sirupsen/logrus"
+	"github.com/jessfraz/amicontained/version"
+)
+
+const (
+	// BANNER is what is printed for help/info output
+	BANNER = `                 _                 _        _                _
+  __ _ _ __ ___ (_) ___ ___  _ __ | |_ __ _(_)_ __   ___  __| |
+ / _` + "`" + ` | '_ ` + "`" + ` _ \| |/ __/ _ \| '_ \| __/ _` + "`" + ` | | '_ \ / _ \/ _` + "`" + ` |
+| (_| | | | | | | | (_| (_) | | | | || (_| | | | | |  __/ (_| |
+ \__,_|_| |_| |_|_|\___\___/|_| |_|\__\__,_|_|_| |_|\___|\__,_|
+ Container introspection tool.
+ Version: %s
+
+`
+)
+
+var (
+	debug bool
+	vrsn  bool
+)
+
+func init() {
+	// parse flags
+	flag.BoolVar(&vrsn, "version", false, "print version and exit")
+	flag.BoolVar(&vrsn, "v", false, "print version and exit (shorthand)")
+	flag.BoolVar(&debug, "d", false, "run in debug mode")
+
+	flag.Usage = func() {
+		fmt.Fprint(os.Stderr, fmt.Sprintf(BANNER, version.VERSION))
+		flag.PrintDefaults()
+	}
+
+	flag.Parse()
+
+	// set log level
+	if debug {
+		logrus.SetLevel(logrus.DebugLevel)
+	}
+
+	if vrsn {
+		fmt.Printf("amicontained version %s, build %s", version.VERSION, version.GITCOMMIT)
+		os.Exit(0)
+	}
+
+	if flag.NArg() < 1 {
+		return
+	}
+
+	// parse the arg
+	arg := flag.Args()[0]
+
+	if arg == "help" {
+		usageAndExit("", 0)
+	}
+
+	if arg == "version" {
+		fmt.Printf("amicontained version %s, build %s", version.VERSION, version.GITCOMMIT)
+		os.Exit(0)
+	}
+}
+
+func main() {
+}
+
+func usageAndExit(message string, exitCode int) {
+	if message != "" {
+		fmt.Fprintf(os.Stderr, message)
+		fmt.Fprintf(os.Stderr, "\n\n")
+	}
+	flag.Usage()
+	fmt.Fprintf(os.Stderr, "\n")
+	os.Exit(exitCode)
+}

version/version.go

@@ -0,0 +1,7 @@
+package version
+
+// VERSION indicates which version of the binary is running.
+var VERSION string
+
+// GITCOMMIT indicates which git hash the binary was built off of
+var GITCOMMIT string