feat(tidb-operator): add package config for operator v2 (#530)

## Background

TiDB-operator owner want publish artifacts for the refactoring
tidb-operator, the version start from v2.0.0.

---------

Signed-off-by: wuhuizuo <wuhuizuo@126.com>

.github/scripts/ci.sh

@@ -77,7 +77,7 @@ function test_get_builder_freedom_releasing() {
     local profile="release"
     local os="linux"
     for ac in $architectures; do
-        for version in v1.5.0 v1.6.0; do
+        for version in v2.0.0 v1.6.0 v1.5.0; do
             echo -en "[🚢] $cm $os $ac $version $profile:\t"
             $script "$cm" "$os" "$ac" "$version" $profile
         done
@@ -192,7 +192,7 @@ function test_gen_package_artifacts_script_freedom_releasing() {
     local cm="tidb-operator"
     local os="linux"
     for ac in $architectures; do
-        for version in v1.5.0 v1.6.0; do
+        for version in v2.0.0 v1.6.0 v1.5.0; do
             echo -en "[📃📦] $cm $os $ac $version $profile:\t"
             $script "$cm" "$os" "$ac" "$version" $profile branch-xxx 123456789abcdef
             shellcheck -S error packages/scripts/build-package-artifacts.sh
@@ -287,7 +287,7 @@ function test_gen_package_images_script_freedom_releasing() {
     # tidb-operator
     local cm="tidb-operator"
     for ac in $architectures; do
-        for version in v1.6.0 v1.5.0; do
+        for version in v2.0.0 v1.6.0 v1.5.0; do
             echo -en "[📃💿] $cm $os $ac $version $profile:\t"
             $script "$cm" linux "$ac" "$version" "$profile" branch-xxx 123456789abcdef
             shellcheck -S error packages/scripts/build-package-images.sh

packages/packages.yaml.tmpl

@@ -1387,8 +1387,31 @@ components:
       - if: {{ semver.CheckConstraint "< 1.6.0-0" .Release.version }}
         image: ghcr.io/pingcap-qe/cd/builders/tidb-operator:v2024.10.8-14-g52a7228-go1.21
     routers:
-      - description: starts from 1.5.0
-        if: {{ semver.CheckConstraint ">= 1.5.0-0" .Release.version }}
+      - description: for range [v2.0.0, )
+        if: {{ semver.CheckConstraint ">= 2.0.0-0" .Release.version }}
+        os: [linux]
+        arch: [amd64, arm64]
+        profile: [release]
+        steps:
+          release:
+            - script: make build
+        artifacts:
+          - name: container image - operator
+            type: image
+            artifactory:
+              repo: "{{ .Release.registry }}/pingcap/tidb-operator/images/tidb-operator"
+            context: .
+            dockerfile: image/Dockerfile
+            target: operator # target build stage in Dockerfile
+          - name: container image - prestop-checker
+            type: image
+            artifactory:
+              repo: "{{ .Release.registry }}/pingcap/tidb-operator/images/prestop-checker"
+            context: .
+            dockerfile: image/Dockerfile
+            target: prestop-checker # target build stage in Dockerfile
+      - description: for range [v1.5.0, v2.0.0)
+        if: {{ semver.CheckConstraint ">= 1.5.0-0, < 2.0.0-0" .Release.version }}
         os: [linux]
         arch: [amd64, arm64]
         profile: [release, fips]

packages/scripts/build-package-images.sh.tmpl

@@ -2,6 +2,8 @@
 # Code generated by gomplate, DO NOT EDIT.
 
 # It needs kaniko and oras tools, but it can be run in different containers for seperated stages.
+# kaniko: https://github.com/GoogleContainerTools/kaniko/blob/main/README.md
+# oras: https://oras.land/docs/category/oras-commands/
 
 set -exo pipefail
 
@@ -123,12 +125,17 @@ build_and_push_images() {
     destination="{{ .artifactory.repo }}:$tag"
     digest_file="${archive_dir}/digest.txt"
     kaniko_options="$kaniko_global_options --destination=${destination} --digest-file=${digest_file}"
+
     {{- if has . "build_args" }}
     {{- range .build_args }}
     kaniko_options="$kaniko_options --build-arg {{.}}"
     {{- end }}
     {{- end }}
 
+    {{- if has . "target" }}
+    kaniko_options="$kaniko_options --target {{.target}} --skip-unused-stages"
+    {{- end }}
+
 {{- if has . "context" }}
     # just build it with native build from git repo's dockerfile
     $kaniko_executor $kaniko_options --context {{ .context }} --dockerfile {{ .dockerfile }}