mirror of https://github.com/fluxcd/flux2.git
Embed the install manifests in flux binary
- add make target for generating the install manifests using kustomize - embed the generated manifests in flux binary - the install and bootstrap commands default to using the embedded manifests - download the install manifests from GitHub only if the install/bootstrap version arg is set Signed-off-by: Stefan Prodan <stefan.prodan@gmail.com>pull/987/head
Stefan Prodan
4 years ago
parent
1f16b6d639
commit
6003d11156
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package main
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import (
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"embed"
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"fmt"
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"io/fs"
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"os"
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"path"
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)
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//go:embed manifests/*.yaml
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var embeddedManifests embed.FS
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func writeEmbeddedManifests(dir string) error {
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manifests, err := fs.ReadDir(embeddedManifests, "manifests")
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if err != nil {
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return err
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}
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for _, manifest := range manifests {
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data, err := fs.ReadFile(embeddedManifests, path.Join("manifests", manifest.Name()))
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if err != nil {
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return fmt.Errorf("reading file failed: %w", err)
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}
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err = os.WriteFile(path.Join(dir, manifest.Name()), data, 0666)
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if err != nil {
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return fmt.Errorf("writing file failed: %w", err)
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}
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}
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return nil
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}
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package main
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import (
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"fmt"
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"github.com/fluxcd/flux2/internal/utils"
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"github.com/fluxcd/flux2/pkg/manifestgen/install"
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)
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func getVersion(input string) (string, error) {
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if input == "" {
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return rootArgs.defaults.Version, nil
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}
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if isEmbeddedVersion(input) {
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return input, nil
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}
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var err error
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if input == install.MakeDefaultOptions().Version {
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input, err = install.GetLatestVersion()
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if err != nil {
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return "", err
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}
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} else {
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if ok, err := install.ExistingVersion(input); err != nil || !ok {
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if err == nil {
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err = fmt.Errorf("targeted version '%s' does not exist", input)
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}
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return "", err
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}
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}
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if !utils.CompatibleVersion(VERSION, input) {
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return "", fmt.Errorf("targeted version '%s' is not compatible with your current version of flux (%s)", input, VERSION)
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}
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return input, nil
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}
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func isEmbeddedVersion(input string) bool {
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return input == rootArgs.defaults.Version
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}
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@ -0,0 +1,70 @@
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#!/usr/bin/env bash
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# Copyright 2020 The Flux authors. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -e
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REPO_ROOT=$(git rev-parse --show-toplevel)
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OUT_PATH=${1:-"${REPO_ROOT}/cmd/flux/manifests"}
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TAR=${2}
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info() {
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echo '[INFO] ' "$@"
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}
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fatal() {
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echo '[ERROR] ' "$@" >&2
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exit 1
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}
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build() {
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info "building $(basename $2)"
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kustomize build "$1" > "$2"
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}
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if ! [ -x "$(command -v kustomize)" ]; then
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fatal 'kustomize is not installed'
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fi
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rm -rf $OUT_PATH
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mkdir -p $OUT_PATH
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files=""
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info using "$(kustomize version --short)"
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# build controllers
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for controller in ${REPO_ROOT}/manifests/bases/*/; do
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output_path="${OUT_PATH}/$(basename $controller).yaml"
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build $controller $output_path
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files+=" $(basename $output_path)"
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done
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# build rbac
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rbac_path="${REPO_ROOT}/manifests/rbac"
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rbac_output_path="${OUT_PATH}/rbac.yaml"
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build $rbac_path $rbac_output_path
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files+=" $(basename $rbac_output_path)"
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# build policies
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policies_path="${REPO_ROOT}/manifests/policies"
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policies_output_path="${OUT_PATH}/policies.yaml"
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build $policies_path $policies_output_path
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files+=" $(basename $policies_output_path)"
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# create tarball
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if [[ -n $TAR ]];then
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info "archiving $TAR"
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cd ${OUT_PATH} && tar -czf $TAR $files
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fi
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