Update to OPA v0.8.0

Also, build.sh to set version and include the OPA version.

Signed-off-by: Torin Sandall <torinsandall@gmail.com>

Makefile

@@ -1,6 +1,6 @@
 .PHONY: all build
 
-VERSION := 0.2.1
+VERSION := 0.2.2
 
 all: build
 

build.sh

@@ -12,5 +12,7 @@ curl https://glide.sh/get | sh
 echo "install all the dependencies"
 glide install
 
+OPA_VERSION=$(grep 'package: github.com/open-policy-agent/opa$' glide.yaml -A 1 | tail -n 1 | awk '{print $2}')
+
 echo "build opa-docker-authz"
-CGO_ENABLED=0 go build -ldflags "-X github.com/open-policy-agent/opa-docker-authz.Version=$VERSION" -o opa-docker-authz
+CGO_ENABLED=0 go build -ldflags "-X github.com/open-policy-agent/opa-docker-authz/version.Version=$VERSION -X github.com/open-policy-agent/opa-docker-authz/version.OPAVersion=$OPA_VERSION" -o opa-docker-authz

glide.yaml

@@ -7,4 +7,4 @@ import:
 - package: github.com/fsnotify/fsnotify
   version: 4da3e2cfbabc9f751898f250b49f2439785783a1
 - package: github.com/open-policy-agent/opa
-  version: v0.6.0
+  version: v0.8.0

main.go

@@ -14,9 +14,10 @@ import (
 	"os"
 
 	"github.com/docker/go-plugins-helpers/authorization"
-	"github.com/open-policy-agent/opa/rego"
+	version_pkg "github.com/open-policy-agent/opa-docker-authz/version"
 	"github.com/open-policy-agent/opa/ast"
 	"github.com/open-policy-agent/opa/loader"
+	"github.com/open-policy-agent/opa/rego"
 )
 
 // DockerAuthZPlugin implements the authorization.Plugin interface. Every
@@ -137,7 +138,7 @@ func regoSyntax(p string) int {
 
 	modules := map[string]*ast.Module{}
 
-	for _,m := range result.Modules {
+	for _, m := range result.Modules {
 		modules[m.Name] = m.Parsed
 	}
 
@@ -153,21 +154,19 @@ func regoSyntax(p string) int {
 	return 0
 }
 
-// Version is set by the build.
-var Version = ""
-
 func main() {
 
 	pluginName := flag.String("plugin-name", "opa-docker-authz", "sets the plugin name that will be registered with Docker")
 	allowPath := flag.String("allowPath", "data.docker.authz.allow", "sets the path of the allow decision in OPA")
 	policyFile := flag.String("policy-file", "policy.rego", "sets the path of the policy file to load")
 	version := flag.Bool("version", false, "print the version of the plugin")
-	check := flag.Bool("check", false , "checks the syntax of the policy-file")
+	check := flag.Bool("check", false, "checks the syntax of the policy-file")
 
 	flag.Parse()
 
 	if *version {
-		fmt.Println(Version)
+		fmt.Println("Version:", version_pkg.Version)
+		fmt.Println("OPA Version:", version_pkg.OPAVersion)
 		os.Exit(0)
 	}
 

version/version.go

@@ -0,0 +1,11 @@
+// Copyright 2018 The OPA Authors.  All rights reserved.
+// Use of this source code is governed by an Apache2
+// license that can be found in the LICENSE file.
+
+package version
+
+// Version numbers set during build.
+var (
+	Version    = ""
+	OPAVersion = ""
+)