Merge pull request #118 from appbaseio/feat/versioning

feat: add arc versioning

Author: bietkul

Makefile

@@ -4,13 +4,15 @@ GT=go test
 BUILD_DIR=build
 PLUGIN_FLAGS=--buildmode=plugin
 PLUGIN_BUILD_DIR=$(BUILD_DIR)/plugins
-
+DEFAULT_VERSION=7.27.0
+VERSION := $(or $(VERSION),$(DEFAULT_VERSION))
+ 
 PLUGINS=$(shell ls -l plugins | grep ^d | awk '{ print $$9 }')
 PLUGIN_MAIN_LOC_FUNC=plugins/$(1)/main/$(1).$(2)
 PLUGIN_LOC_FUNC=$(foreach PLUGIN,$(PLUGINS),$(call PLUGIN_MAIN_LOC_FUNC,$(PLUGIN),$(1)))
 
 cmd: plugins
-	$(GC) -ldflags "-w -X main.Billing=$(BILLING) -X main.HostedBilling=$(HOSTED_BILLING) -X main.ClusterBilling=$(CLUSTER_BILLING) -X main.PlanRefreshInterval=$(PLAN_REFRESH_INTERVAL) -X main.IgnoreBillingMiddleware=$(IGNORE_BILLING_MIDDLEWARE) -X main.Tier=$(TEST_TIER) -X main.FeatureCustomEvents=$(TEST_FEATURE_CUSTOM_EVENTS) -X main.FeatureSuggestions=$(TEST_FEATURE_SUGGESTIONS)" -o $(BUILD_DIR)/arc main.go
+	$(GC) -ldflags "-w -X main.Billing=$(BILLING) -X main.HostedBilling=$(HOSTED_BILLING) -X main.ClusterBilling=$(CLUSTER_BILLING) -X main.PlanRefreshInterval=$(PLAN_REFRESH_INTERVAL) -X main.IgnoreBillingMiddleware=$(IGNORE_BILLING_MIDDLEWARE) -X main.Tier=$(TEST_TIER) -X main.FeatureCustomEvents=$(TEST_FEATURE_CUSTOM_EVENTS) -X main.FeatureSuggestions=$(TEST_FEATURE_SUGGESTIONS) -X main.Version=$(VERSION)" -o $(BUILD_DIR)/arc main.go
 
 plugins: $(call PLUGIN_LOC_FUNC,so)
 

main.go

@@ -36,6 +36,8 @@ var (
 	port        int
 	pluginDir   string
 	https       bool
+	// Version arc version set during build
+	Version string
 	// PlanRefreshInterval can be used to define the custom interval to refresh the plan
 	PlanRefreshInterval string
 	// Billing is a build time flag
@@ -116,6 +118,7 @@ func main() {
 	util.Billing = Billing
 	util.HostedBilling = HostedBilling
 	util.ClusterBilling = ClusterBilling
+	util.Version = Version
 
 	if Billing == "true" {
 		log.Println("You're running Arc with billing module enabled.")

util/util.go

@@ -31,6 +31,9 @@ var HostedBilling string
 // ClusterBilling is a build time variable
 var ClusterBilling string
 
+// Version arc version
+var Version string
+
 // RandStr returns "node" field of a UUID.
 // See: https://tools.ietf.org/html/rfc4122#section-4.1.6
 func RandStr() string {