| // Copyright Istio Authors |
| // |
| // 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 archive |
| |
| import ( |
| "archive/tar" |
| "compress/gzip" |
| "io" |
| "os" |
| "path/filepath" |
| "strings" |
| "sync" |
| ) |
| |
| const ( |
| bugReportSubdir = "bug-report" |
| proxyLogsPathSubdir = "proxies" |
| istioLogsPathSubdir = "istio" |
| clusterInfoSubdir = "cluster" |
| analyzeSubdir = "analyze" |
| operatorLogsPathSubdir = "operator" |
| ) |
| |
| var ( |
| tmpDir string |
| initDir sync.Once |
| ) |
| |
| // DirToArchive is the dir to archive. |
| func DirToArchive(rootDir string) string { |
| return filepath.Dir(getRootDir(rootDir)) |
| } |
| |
| // OutputRootDir is the root dir of output artifacts. |
| func OutputRootDir(rootDir string) string { |
| return getRootDir(rootDir) |
| } |
| |
| func ProxyOutputPath(rootDir, namespace, pod string) string { |
| return filepath.Join(getRootDir(rootDir), proxyLogsPathSubdir, namespace, pod) |
| } |
| |
| func IstiodPath(rootDir, namespace, pod string) string { |
| return filepath.Join(getRootDir(rootDir), istioLogsPathSubdir, namespace, pod) |
| } |
| |
| func OperatorPath(rootDir, namespace, pod string) string { |
| return filepath.Join(getRootDir(rootDir), operatorLogsPathSubdir, namespace, pod) |
| } |
| |
| func AnalyzePath(rootDir, namespace string) string { |
| return filepath.Join(getRootDir(rootDir), analyzeSubdir, namespace) |
| } |
| |
| func ClusterInfoPath(rootDir string) string { |
| return filepath.Join(getRootDir(rootDir), clusterInfoSubdir) |
| } |
| |
| // Create creates a gzipped tar file from srcDir and writes it to outPath. |
| func Create(srcDir, outPath string) error { |
| mw, err := os.Create(outPath) |
| if err != nil { |
| return err |
| } |
| defer mw.Close() |
| gzw := gzip.NewWriter(mw) |
| defer gzw.Close() |
| |
| tw := tar.NewWriter(gzw) |
| defer tw.Close() |
| |
| return filepath.Walk(srcDir, func(file string, fi os.FileInfo, err error) error { |
| if err != nil { |
| return err |
| } |
| if !fi.Mode().IsRegular() { |
| return nil |
| } |
| header, err := tar.FileInfoHeader(fi, fi.Name()) |
| if err != nil { |
| return err |
| } |
| header.Name = strings.TrimPrefix(strings.Replace(file, srcDir, "", -1), string(filepath.Separator)) |
| header.Size = fi.Size() |
| header.Mode = int64(fi.Mode()) |
| header.ModTime = fi.ModTime() |
| if err := tw.WriteHeader(header); err != nil { |
| return err |
| } |
| |
| f, err := os.Open(file) |
| if err != nil { |
| return err |
| } |
| defer f.Close() |
| |
| if _, err := io.Copy(tw, f); err != nil { |
| return err |
| } |
| return nil |
| }) |
| } |
| |
| func getRootDir(rootDir string) string { |
| if rootDir != "" { |
| return rootDir |
| } |
| initDir.Do(func() { |
| // Extra subdir so archive extracts under new ./bug-report subdir. |
| tmpDir = filepath.Join(os.TempDir(), bugReportSubdir, bugReportSubdir) |
| }) |
| return tmpDir |
| } |