func (b *Builder) writeManifest() error {
upperId, err := b.upperTreeStoreId()
if err != nil {
return err
}
attrMerger, err := merger.NewAttributesMerger(b.stage1Rootfs + PATH_DGR + PATH_BUILDER + PATH_ATTRIBUTES)
if err != nil {
logs.WithE(err).Warn("Failed to prepare attributes")
}
attributes := attrMerger.Merge()
logs.WithFields(b.fields).WithField("attributes", attributes).Debug("Merged attributes for manifest templating")
content, err := ioutil.ReadFile(b.aciTargetPath + common.PathManifestYmlTmpl)
if err != nil {
return errs.WithEF(err, b.fields.WithField("file", b.aciTargetPath+common.PathManifestYmlTmpl), "Failed to read manifest template")
}
aciManifest, err := common.ProcessManifestTemplate(string(content), attributes, true)
if err != nil {
return errs.WithEF(err, b.fields.WithField("content", string(content)), "Failed to process manifest template")
}
target := b.pod.Root + PATH_OVERLAY + "/" + upperId + PATH_UPPER + common.PathManifest
dgrVersion, ok := manifestApp(b.pod).App.Environment.Get(common.EnvDgrVersion)
if !ok {
return errs.WithF(b.fields, "Cannot find dgr version")
}
if aciManifest.NameAndVersion.Version() == "" {
aciManifest.NameAndVersion = *common.NewACFullName(aciManifest.NameAndVersion.Name() + ":" + common.GenerateVersion(b.aciTargetPath))
}
if err := common.WriteAciManifest(aciManifest, target, aciManifest.NameAndVersion.Name(), dgrVersion); err != nil {
return errs.WithEF(err, b.fields.WithField("file", target), "Failed to write manifest")
}
return nil
}
func (b *Builder) prepareNspawnArgsAndEnv(commandPath string) ([]string, []string, error) {
var args []string
env := os.Environ()
args = append(args, b.stage1Rootfs+"/dgr/usr/lib/ld-linux-x86-64.so.2")
args = append(args, b.stage1Rootfs+"/dgr/usr/bin/systemd-nspawn")
if context := os.Getenv(rktcommon.EnvSELinuxContext); context != "" {
args = append(args, fmt.Sprintf("-Z%s", context))
}
args = append(args, "--register=no")
args = append(args, "-q")
args = append(args, "--link-journal=auto")
env = append(env, "LD_LIBRARY_PATH="+b.stage1Rootfs+"/dgr/usr/lib")
if !logs.IsDebugEnabled() {
args = append(args, "--quiet")
}
lvl := "info"
switch logs.GetLevel() {
case logs.FATAL:
lvl = "crit"
case logs.PANIC:
lvl = "alert"
case logs.ERROR:
lvl = "err"
case logs.WARN:
lvl = "warning"
case logs.INFO:
lvl = "info"
case logs.DEBUG | logs.TRACE:
lvl = "debug"
}
args = append(args, "--uuid="+b.pod.UUID.String())
args = append(args, "--machine=dgr"+b.pod.UUID.String())
env = append(env, "SYSTEMD_LOG_LEVEL="+lvl)
for _, e := range manifestApp(b.pod).App.Environment {
if e.Name != common.EnvBuilderCommand && e.Name != common.EnvAciTarget {
args = append(args, "--setenv="+e.Name+"="+e.Value)
}
}
catchError, _ := manifestApp(b.pod).App.Environment.Get(common.EnvCatchOnError)
catchStep, _ := manifestApp(b.pod).App.Environment.Get(common.EnvCatchOnStep)
args = append(args, "--setenv="+common.EnvCatchOnError+"="+string(catchError))
args = append(args, "--setenv="+common.EnvCatchOnStep+"="+string(catchStep))
version, ok := manifestApp(b.pod).Image.Labels.Get("version")
if ok {
args = append(args, "--setenv=ACI_VERSION="+version)
}
args = append(args, "--setenv=ACI_NAME="+manifestApp(b.pod).Name.String())
args = append(args, "--setenv=ACI_EXEC="+"'"+strings.Join(manifestApp(b.pod).App.Exec, "' '")+"'")
args = append(args, "--setenv=ROOTFS="+PATH_OPT+PATH_STAGE2+"/"+manifestApp(b.pod).Name.String()+common.PathRootfs)
args = append(args, "--capability=all")
args = append(args, "--directory="+b.stage1Rootfs)
args = append(args, "--bind="+b.aciHomePath+"/:/dgr/aci-home")
args = append(args, "--bind="+b.aciTargetPath+"/:/dgr/aci-target")
//
content, err := ioutil.ReadFile(b.aciTargetPath + common.PathManifestYmlTmpl)
if err != nil {
return args, env, errs.WithEF(err, b.fields.WithField("file", b.aciTargetPath+common.PathManifestYmlTmpl), "Failed to read manifest template")
}
aciManifest, err := common.ProcessManifestTemplate(string(content), nil, false)
if err != nil {
return args, env, errs.WithEF(err, b.fields.WithField("content", string(content)), "Failed to process manifest template")
}
for _, mount := range aciManifest.Builder.MountPoints {
if strings.HasPrefix(mount.From, "~/") {
user, err := user.Current()
if err != nil {
return args, env, errs.WithEF(err, b.fields, "Cannot found current user")
}
mount.From = user.HomeDir + mount.From[1:]
}
from := mount.From
if from[0] != '/' {
from = b.aciHomePath + "/" + from
}
if _, err := os.Stat(from); err != nil {
os.MkdirAll(from, 0755)
}
args = append(args, "--bind="+from+":"+mount.To)
}
for _, mount := range aciManifest.Build.MountPoints {
if strings.HasPrefix(mount.From, "~/") {
user, err := user.Current()
if err != nil {
return args, env, errs.WithEF(err, b.fields, "Cannot found current user")
}
mount.From = user.HomeDir + mount.From[1:]
}
from := mount.From
if from[0] != '/' {
from = b.aciHomePath + "/" + from
}
if _, err := os.Stat(from); err != nil {
os.MkdirAll(from, 0755)
}
args = append(args, "--bind="+from+":"+PATH_OPT+PATH_STAGE2+"/"+manifestApp(b.pod).Name.String()+common.PathRootfs+"/"+mount.To)
}
args = append(args, commandPath)
return args, env, nil
}