add build-time version metadata (#70)

.github/workflows/build.yml

@@ -1,9 +1,9 @@
-name: Go package
+name: Core Build
 
 on: [push]
 
 jobs:
-  build:
+  ubuntu-build:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
@@ -27,7 +27,7 @@ jobs:
           CI: ""
 
       - name: go build
-        run: go build -v ./...
+        run: go build -ldflags "-X github.com/openziti-test-kitchen/zrok/build.Version=${{ github.ref }} -X github.com/openziti-test-kitchen/zrok/build.Hash=${{ github.sha }}" ./...
 
       - name: test
         run: go test -v ./...

build/metadata.go

@@ -0,0 +1,14 @@
+package build
+
+import "fmt"
+
+var Version string
+var Hash string
+
+func String() string {
+	if Version != "" {
+		return fmt.Sprintf("%v [%v]", Version, Hash)
+	} else {
+		return "<developer_build>"
+	}
+}

controller/controller.go

@@ -16,8 +16,6 @@ var str *store.Store
 var mtr *metricsAgent
 var idb influxdb2.Client
 
-const version = "v0.2.0"
-
 func Run(inCfg *Config) error {
 	cfg = inCfg
 

controller/enable.go

@@ -6,6 +6,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"github.com/go-openapi/runtime/middleware"
+	"github.com/openziti-test-kitchen/zrok/build"
 	"github.com/openziti-test-kitchen/zrok/controller/store"
 	"github.com/openziti-test-kitchen/zrok/rest_model_zrok"
 	"github.com/openziti-test-kitchen/zrok/rest_server_zrok/operations/identity"
@@ -165,7 +166,7 @@ func (self *enableHandler) createEdgeRouterPolicy(id string, edge *rest_manageme
 func (self *enableHandler) zrokTags() *rest_model_edge.Tags {
 	return &rest_model_edge.Tags{
 		SubTags: map[string]interface{}{
-			"zrok": version,
+			"zrok": build.String(),
 		},
 	}
 }

controller/tunnel.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"fmt"
 	"github.com/go-openapi/runtime/middleware"
+	"github.com/openziti-test-kitchen/zrok/build"
 	"github.com/openziti-test-kitchen/zrok/controller/store"
 	"github.com/openziti-test-kitchen/zrok/model"
 	"github.com/openziti-test-kitchen/zrok/rest_model_zrok"
@@ -264,7 +265,7 @@ func (self *tunnelHandler) proxyUrl(svcName string) string {
 func (self *tunnelHandler) zrokTags(svcName string) *rest_model.Tags {
 	return &rest_model.Tags{
 		SubTags: map[string]interface{}{
-			"zrok":              version,
+			"zrok":              build.String(),
 			"zrok-service-name": svcName,
 		},
 	}

controller/version.go

@@ -2,9 +2,11 @@ package controller
 
 import (
 	"github.com/go-openapi/runtime/middleware"
+	"github.com/openziti-test-kitchen/zrok/build"
+	"github.com/openziti-test-kitchen/zrok/rest_model_zrok"
 	"github.com/openziti-test-kitchen/zrok/rest_server_zrok/operations/metadata"
 )
 
 func versionHandler(_ metadata.VersionParams) middleware.Responder {
-	return metadata.NewVersionOK().WithPayload(version)
+	return metadata.NewVersionOK().WithPayload(rest_model_zrok.Version(build.String()))
 }