Adding semver.go support

Makefile

@@ -13,12 +13,6 @@
 # limitations under the License.
 # Includes the following generated file to get semantic version information
 
-MAJOR=1
-MINOR=12
-PATCH=0
-VERSION?="v$(MAJOR).$(MINOR).$(PATCH)"
-REGISTRY?="${REGISTRY_HOST}:${REGISTRY_PORT}/podmon"
-
 all: clean podman push
 
 unit-test:
@@ -30,12 +24,12 @@ clean:
 build:
 	GOOS=linux CGO_ENABLED=0 go build -o podmon ./cmd/podmon/
 
-podman: download-csm-common
-	$(eval include csm-common.mk)
-	podman build --pull --no-cache -t "$(REGISTRY):$(VERSION)" --build-arg GOIMAGE=$(DEFAULT_GOIMAGE) --build-arg BASEIMAGE=$(CSM_BASEIMAGE) -f ./Dockerfile --label commit=$(shell git log --max-count 1 --format="%H") .
+podman:
+	go run core/semver/semver.go -f mk >semver.mk
+	make -f docker.mk podman
 
 push:
-	podman push "$(REGISTRY):$(VERSION)"
+	make -f docker.mk push
 
 download-csm-common:
 	curl -O -L https://raw.githubusercontent.com/dell/csm/main/config/csm-common.mk

core/.gitignore

@@ -0,0 +1 @@
+core_generated.go

core/core.go

@@ -0,0 +1,34 @@
+//  Copyright © 2021 - 2022 Dell Inc. or its subsidiaries. All Rights Reserved.
+//
+//  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.
+
+//go:generate go run semver/semver.go -f semver.tpl -o core_generated.go
+
+package core
+
+import "time"
+
+var (
+	// SemVer is the semantic version.
+	SemVer = "unknown"
+
+	// CommitSha7 is the short version of the commit hash from which
+	// this program was built.
+	CommitSha7 string
+
+	// CommitSha32 is the long version of the commit hash from which
+	// this program was built.
+	CommitSha32 string
+
+	// CommitTime is the commit timestamp of the commit from which
+	// this program was built.
+	CommitTime time.Time
+)

core/semver.tpl

@@ -0,0 +1,11 @@
+package core
+
+import "time"
+
+func init() {
+	SemVer = "{{.SemVer}}"
+	CommitSha7 = "{{.Sha7}}"
+	CommitSha32 = "{{.Sha32}}"
+	CommitTime = time.Unix({{.Epoch}}, 0)
+}
+