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manifest.go
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manifest.go
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// +build linux
package main
import (
"bytes"
"fmt"
"os"
"syscall"
"github.com/Symantec/Dominator/imagebuilder/builder"
"github.com/Symantec/Dominator/lib/fsutil"
"github.com/Symantec/Dominator/lib/log"
)
const filePerms = syscall.S_IRUSR | syscall.S_IRGRP | syscall.S_IROTH
type logWriterType struct {
buffer bytes.Buffer
}
func buildFromManifestSubcommand(args []string, logger log.DebugLogger) {
srpcClient := getImageServerClient()
logWriter := &logWriterType{}
if *alwaysShowBuildLog {
fmt.Fprintln(os.Stderr, "Start of build log ==========================")
}
name, err := builder.BuildImageFromManifest(srpcClient, args[0], args[1],
*expiresIn, bindMounts, logWriter, logger)
if err != nil {
if !*alwaysShowBuildLog {
fmt.Fprintln(os.Stderr,
"Start of build log ==========================")
os.Stderr.Write(logWriter.Bytes())
}
fmt.Fprintln(os.Stderr, "End of build log ============================")
fmt.Fprintf(os.Stderr, "Error processing manifest: %s\n", err)
os.Exit(1)
}
if *alwaysShowBuildLog {
fmt.Fprintln(os.Stderr, "End of build log ============================")
} else {
err := fsutil.CopyToFile("build.log", filePerms, &logWriter.buffer,
uint64(logWriter.buffer.Len()))
if err != nil {
fmt.Fprintf(os.Stderr, "Error writing build log: %s\n", err)
os.Exit(1)
}
}
fmt.Println(name)
os.Exit(0)
}
func buildTreeFromManifestSubcommand(args []string, logger log.DebugLogger) {
srpcClient := getImageServerClient()
logWriter := &logWriterType{}
if *alwaysShowBuildLog {
fmt.Fprintln(os.Stderr, "Start of build log ==========================")
}
rootDir, err := builder.BuildTreeFromManifest(srpcClient, args[0],
bindMounts, logWriter, logger)
if err != nil {
if !*alwaysShowBuildLog {
fmt.Fprintln(os.Stderr,
"Start of build log ==========================")
os.Stderr.Write(logWriter.Bytes())
}
fmt.Fprintln(os.Stderr, "End of build log ============================")
fmt.Fprintf(os.Stderr, "Error processing manifest: %s\n", err)
os.Exit(1)
}
if *alwaysShowBuildLog {
fmt.Fprintln(os.Stderr, "End of build log ============================")
} else {
err := fsutil.CopyToFile("build.log", filePerms, &logWriter.buffer,
uint64(logWriter.buffer.Len()))
if err != nil {
fmt.Fprintf(os.Stderr, "Error writing build log: %s\n", err)
os.Exit(1)
}
}
fmt.Println(rootDir)
os.Exit(0)
}
func processManifestSubcommand(args []string, logger log.DebugLogger) {
logWriter := &logWriterType{}
if *alwaysShowBuildLog {
fmt.Fprintln(os.Stderr, "Start of build log ==========================")
}
err := builder.ProcessManifest(args[0], args[1], bindMounts, logWriter)
if err != nil {
if !*alwaysShowBuildLog {
fmt.Fprintln(os.Stderr,
"Start of build log ==========================")
os.Stderr.Write(logWriter.Bytes())
}
fmt.Fprintln(os.Stderr, "End of build log ============================")
fmt.Fprintf(os.Stderr, "Error processing manifest: %s\n", err)
os.Exit(1)
}
if *alwaysShowBuildLog {
fmt.Fprintln(os.Stderr, "End of build log ============================")
} else {
err := fsutil.CopyToFile("build.log", filePerms, &logWriter.buffer,
uint64(logWriter.buffer.Len()))
if err != nil {
fmt.Fprintf(os.Stderr, "Error writing build log: %s\n", err)
os.Exit(1)
}
}
os.Exit(0)
}
func (w *logWriterType) Bytes() []byte {
return w.buffer.Bytes()
}
func (w *logWriterType) Write(p []byte) (int, error) {
if *alwaysShowBuildLog {
os.Stderr.Write(p)
}
return w.buffer.Write(p)
}