/
kube_reader.go
99 lines (90 loc) · 2.87 KB
/
kube_reader.go
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// Copyright Amazon.com Inc. or its affiliates. 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.
package pkg
import (
"bufio"
"io"
"os"
"path/filepath"
"strconv"
"strings"
"github.com/pkg/errors"
)
func (r *ReleaseConfig) ReadK8sShaSums(gitTag, filename string) (sha256, sha512 string, err error) {
assetFile := filepath.Join(r.ArtifactDir, "kubernetes", gitTag, filename)
return r.readShaSums(assetFile)
}
func (r *ReleaseConfig) readK8sTag(buildSource, releaseBranch string) (string, error) {
return readTag(filepath.Join(buildSource, "projects/kubernetes/kubernetes", releaseBranch, "GIT_TAG"))
}
type kubeGitVersionFile struct {
KubeGitCommit string
KubeGitVersion string
KubeGitMajor int
KubeGitMinor int
SourceDateEpoch int
KubeGitTreeState string
}
func newKubeGitVersionFile(buildSource, releaseBranch string) (*kubeGitVersionFile, error) {
versionFile := filepath.Join(buildSource, "projects/kubernetes/kubernetes", releaseBranch, "KUBE_GIT_VERSION_FILE")
f, err := os.Open(versionFile)
if err != nil {
return nil, err
}
return parseKubeGitVersionContent(f)
}
func parseKubeGitVersionContent(input io.Reader) (*kubeGitVersionFile, error) {
resp := &kubeGitVersionFile{}
scanner := bufio.NewScanner(input)
for scanner.Scan() {
line := scanner.Text()
parts := strings.SplitN(line, "=", 2)
if len(parts) != 2 {
return nil, errors.Errorf("no equal sign in line: %s", line)
}
value := strings.Trim(parts[1], `'`)
switch parts[0] {
case "KUBE_GIT_COMMIT":
resp.KubeGitCommit = value
case "KUBE_GIT_VERSION":
resp.KubeGitVersion = value
case "KUBE_GIT_MAJOR":
val, err := strconv.Atoi(value)
if err != nil {
return nil, errors.Wrapf(err, "Could not parse '%s'", value)
}
resp.KubeGitMajor = val
case "KUBE_GIT_MINOR":
value = strings.ReplaceAll(value, "+", "")
val, err := strconv.Atoi(value)
if err != nil {
return nil, errors.Wrapf(err, "Could not parse '%s'", value)
}
resp.KubeGitMinor = val
case "SOURCE_DATE_EPOCH":
val, err := strconv.Atoi(value)
if err != nil {
return nil, errors.Wrapf(err, "Could not parse '%s'", value)
}
resp.SourceDateEpoch = val
case "KUBE_GIT_TREE_STATE":
resp.KubeGitTreeState = value
default:
}
}
if err := scanner.Err(); err != nil {
return nil, errors.Wrap(err, "Error reading KUBE_GIT_VERSION_FILE")
}
return resp, nil
}