func processUserdata(userdata string, env *initialize.Environment) error {
userdata = env.Apply(userdata)
parsed, err := initialize.ParseUserData(userdata)
if err != nil {
fmt.Printf("Failed parsing user-data: %v\n", err)
return err
}
err = initialize.PrepWorkspace(env.Workspace())
if err != nil {
fmt.Printf("Failed preparing workspace: %v\n", err)
return err
}
switch t := parsed.(type) {
case initialize.CloudConfig:
err = initialize.Apply(t, env)
case system.Script:
var path string
path, err = initialize.PersistScriptInWorkspace(t, env.Workspace())
if err == nil {
var name string
name, err = system.ExecuteScript(path)
initialize.PersistUnitNameInWorkspace(name, env.Workspace())
}
}
return err
}
func main() {
failure := false
// Conservative Go 1.5 upgrade strategy:
// keep GOMAXPROCS' default at 1 for now.
if os.Getenv("GOMAXPROCS") == "" {
runtime.GOMAXPROCS(1)
}
flag.Parse()
if c, ok := oemConfigs[flags.oem]; ok {
for k, v := range c {
flag.Set(k, v)
}
} else if flags.oem != "" {
oems := make([]string, 0, len(oemConfigs))
for k := range oemConfigs {
oems = append(oems, k)
}
fmt.Printf("Invalid option to -oem: %q. Supported options: %q\n", flags.oem, oems)
os.Exit(2)
}
if flags.printVersion == true {
fmt.Printf("coreos-cloudinit %s\n", version)
os.Exit(0)
}
switch flags.convertNetconf {
case "":
case "debian":
case "digitalocean":
case "packet":
case "vmware":
default:
fmt.Printf("Invalid option to -convert-netconf: '%s'. Supported options: 'debian, digitalocean, packet, vmware'\n", flags.convertNetconf)
os.Exit(2)
}
dss := getDatasources()
if len(dss) == 0 {
fmt.Println("Provide at least one of --from-file, --from-configdrive, --from-ec2-metadata, --from-cloudsigma-metadata, --from-packet-metadata, --from-digitalocean-metadata, --from-vmware-guestinfo, --from-waagent, --from-url or --from-proc-cmdline")
os.Exit(2)
}
ds := selectDatasource(dss)
if ds == nil {
log.Println("No datasources available in time")
os.Exit(1)
}
log.Printf("Fetching user-data from datasource of type %q\n", ds.Type())
userdataBytes, err := ds.FetchUserdata()
if err != nil {
log.Printf("Failed fetching user-data from datasource: %v. Continuing...\n", err)
failure = true
}
userdataBytes, err = decompressIfGzip(userdataBytes)
if err != nil {
log.Printf("Failed decompressing user-data from datasource: %v. Continuing...\n", err)
failure = true
}
if report, err := validate.Validate(userdataBytes); err == nil {
ret := 0
for _, e := range report.Entries() {
log.Println(e)
ret = 1
}
if flags.validate {
os.Exit(ret)
}
} else {
log.Printf("Failed while validating user_data (%q)\n", err)
if flags.validate {
os.Exit(1)
}
}
log.Printf("Fetching meta-data from datasource of type %q\n", ds.Type())
metadata, err := ds.FetchMetadata()
if err != nil {
log.Printf("Failed fetching meta-data from datasource: %v\n", err)
os.Exit(1)
}
// Apply environment to user-data
env := initialize.NewEnvironment("/", ds.ConfigRoot(), flags.workspace, flags.sshKeyName, metadata)
userdata := env.Apply(string(userdataBytes))
var ccu *config.CloudConfig
var script *config.Script
switch ud, err := initialize.ParseUserData(userdata); err {
case initialize.ErrIgnitionConfig:
fmt.Printf("Detected an Ignition config. Exiting...")
os.Exit(0)
case nil:
switch t := ud.(type) {
case *config.CloudConfig:
ccu = t
case *config.Script:
script = t
}
default:
fmt.Printf("Failed to parse user-data: %v\nContinuing...\n", err)
failure = true
}
log.Println("Merging cloud-config from meta-data and user-data")
cc := mergeConfigs(ccu, metadata)
var ifaces []network.InterfaceGenerator
if flags.convertNetconf != "" {
var err error
switch flags.convertNetconf {
case "debian":
ifaces, err = network.ProcessDebianNetconf(metadata.NetworkConfig.([]byte))
case "digitalocean":
ifaces, err = network.ProcessDigitalOceanNetconf(metadata.NetworkConfig.(digitalocean.Metadata))
case "packet":
ifaces, err = network.ProcessPacketNetconf(metadata.NetworkConfig.(packet.NetworkData))
case "vmware":
ifaces, err = network.ProcessVMwareNetconf(metadata.NetworkConfig.(map[string]string))
default:
err = fmt.Errorf("Unsupported network config format %q", flags.convertNetconf)
}
if err != nil {
log.Printf("Failed to generate interfaces: %v\n", err)
os.Exit(1)
}
}
if err = initialize.Apply(cc, ifaces, env); err != nil {
log.Printf("Failed to apply cloud-config: %v\n", err)
os.Exit(1)
}
if script != nil {
if err = runScript(*script, env); err != nil {
log.Printf("Failed to run script: %v\n", err)
os.Exit(1)
}
}
if failure && !flags.ignoreFailure {
os.Exit(1)
}
}
func main() {
var printVersion bool
flag.BoolVar(&printVersion, "version", false, "Print the version and exit")
var ignoreFailure bool
flag.BoolVar(&ignoreFailure, "ignore-failure", false, "Exits with 0 status in the event of malformed input from user-data")
var file string
flag.StringVar(&file, "from-file", "", "Read user-data from provided file")
var url string
flag.StringVar(&url, "from-url", "", "Download user-data from provided url")
var useProcCmdline bool
flag.BoolVar(&useProcCmdline, "from-proc-cmdline", false, fmt.Sprintf("Parse %s for '%s=<url>', using the cloud-config served by an HTTP GET to <url>", datasource.ProcCmdlineLocation, datasource.ProcCmdlineCloudConfigFlag))
var workspace string
flag.StringVar(&workspace, "workspace", "/var/lib/coreos-cloudinit", "Base directory coreos-cloudinit should use to store data")
var sshKeyName string
flag.StringVar(&sshKeyName, "ssh-key-name", initialize.DefaultSSHKeyName, "Add SSH keys to the system with the given name")
flag.Parse()
if printVersion == true {
fmt.Printf("coreos-cloudinit version %s\n", version)
os.Exit(0)
}
var ds datasource.Datasource
if file != "" {
ds = datasource.NewLocalFile(file)
} else if url != "" {
ds = datasource.NewMetadataService(url)
} else if useProcCmdline {
ds = datasource.NewProcCmdline()
} else {
fmt.Println("Provide one of --from-file, --from-url or --from-proc-cmdline")
os.Exit(1)
}
log.Printf("Fetching user-data from datasource of type %q", ds.Type())
userdataBytes, err := ds.Fetch()
if err != nil {
log.Printf("Failed fetching user-data from datasource: %v", err)
if ignoreFailure {
os.Exit(0)
} else {
os.Exit(1)
}
}
if len(userdataBytes) == 0 {
log.Printf("No user data to handle, exiting.")
os.Exit(0)
}
env := initialize.NewEnvironment("/", workspace)
userdata := string(userdataBytes)
userdata = env.Apply(userdata)
parsed, err := initialize.ParseUserData(userdata)
if err != nil {
log.Printf("Failed parsing user-data: %v", err)
if ignoreFailure {
os.Exit(0)
} else {
os.Exit(1)
}
}
err = initialize.PrepWorkspace(env.Workspace())
if err != nil {
log.Fatalf("Failed preparing workspace: %v", err)
}
switch t := parsed.(type) {
case initialize.CloudConfig:
err = initialize.Apply(t, env)
case system.Script:
var path string
path, err = initialize.PersistScriptInWorkspace(t, env.Workspace())
if err == nil {
var name string
name, err = system.ExecuteScript(path)
initialize.PersistUnitNameInWorkspace(name, workspace)
}
}
if err != nil {
log.Fatalf("Failed resolving user-data: %v", err)
}
}
func main() {
failure := false
flag.Parse()
if c, ok := oemConfigs[flags.oem]; ok {
for k, v := range c {
flag.Set(k, v)
}
} else if flags.oem != "" {
oems := make([]string, 0, len(oemConfigs))
for k := range oemConfigs {
oems = append(oems, k)
}
fmt.Printf("Invalid option to --oem: %q. Supported options: %q\n", flags.oem, oems)
os.Exit(2)
}
if flags.printVersion == true {
fmt.Printf("coreos-cloudinit version %s\n", version)
os.Exit(0)
}
switch flags.convertNetconf {
case "":
case "debian":
case "digitalocean":
default:
fmt.Printf("Invalid option to -convert-netconf: '%s'. Supported options: 'debian, digitalocean'\n", flags.convertNetconf)
os.Exit(2)
}
dss := getDatasources()
if len(dss) == 0 {
fmt.Println("Provide at least one of --from-file, --from-configdrive, --from-ec2-metadata, --from-cloudsigma-metadata, --from-url or --from-proc-cmdline")
os.Exit(2)
}
ds := selectDatasource(dss)
if ds == nil {
fmt.Println("No datasources available in time")
os.Exit(1)
}
fmt.Printf("Fetching user-data from datasource of type %q\n", ds.Type())
userdataBytes, err := ds.FetchUserdata()
if err != nil {
fmt.Printf("Failed fetching user-data from datasource: %v\nContinuing...\n", err)
failure = true
}
if report, err := validate.Validate(userdataBytes); err == nil {
ret := 0
for _, e := range report.Entries() {
fmt.Println(e)
ret = 1
}
if flags.validate {
os.Exit(ret)
}
} else {
fmt.Printf("Failed while validating user_data (%q)\n", err)
if flags.validate {
os.Exit(1)
}
}
fmt.Printf("Fetching meta-data from datasource of type %q\n", ds.Type())
metadata, err := ds.FetchMetadata()
if err != nil {
fmt.Printf("Failed fetching meta-data from datasource: %v\n", err)
os.Exit(1)
}
// Apply environment to user-data
env := initialize.NewEnvironment("/", ds.ConfigRoot(), flags.workspace, flags.sshKeyName, metadata)
userdata := env.Apply(string(userdataBytes))
var ccu *config.CloudConfig
var script *config.Script
if ud, err := initialize.ParseUserData(userdata); err != nil {
fmt.Printf("Failed to parse user-data: %v\nContinuing...\n", err)
failure = true
} else {
switch t := ud.(type) {
case *config.CloudConfig:
ccu = t
case *config.Script:
script = t
}
}
fmt.Println("Merging cloud-config from meta-data and user-data")
cc := mergeConfigs(ccu, metadata)
var ifaces []network.InterfaceGenerator
if flags.convertNetconf != "" {
var err error
switch flags.convertNetconf {
case "debian":
ifaces, err = network.ProcessDebianNetconf(metadata.NetworkConfig)
case "digitalocean":
ifaces, err = network.ProcessDigitalOceanNetconf(metadata.NetworkConfig)
default:
err = fmt.Errorf("Unsupported network config format %q", flags.convertNetconf)
}
if err != nil {
fmt.Printf("Failed to generate interfaces: %v\n", err)
os.Exit(1)
}
}
if err = initialize.Apply(cc, ifaces, env); err != nil {
fmt.Printf("Failed to apply cloud-config: %v\n", err)
os.Exit(1)
}
if script != nil {
if err = runScript(*script, env); err != nil {
fmt.Printf("Failed to run script: %v\n", err)
os.Exit(1)
}
}
if failure && !flags.ignoreFailure {
os.Exit(1)
}
}
func main() {
flag.Parse()
die := func() {
if ignoreFailure {
os.Exit(0)
}
os.Exit(1)
}
if printVersion == true {
fmt.Printf("coreos-cloudinit version %s\n", version)
os.Exit(0)
}
if convertNetconf != "" && sources.configDrive == "" {
fmt.Println("-convert-netconf flag requires -from-configdrive")
os.Exit(1)
}
switch convertNetconf {
case "":
case "debian":
default:
fmt.Printf("Invalid option to -convert-netconf: '%s'. Supported options: 'debian'\n", convertNetconf)
os.Exit(1)
}
dss := getDatasources()
if len(dss) == 0 {
fmt.Println("Provide at least one of --from-file, --from-configdrive, --from-metadata-service, --from-url or --from-proc-cmdline")
os.Exit(1)
}
ds := selectDatasource(dss)
if ds == nil {
fmt.Println("No datasources available in time")
die()
}
fmt.Printf("Fetching user-data from datasource of type %q\n", ds.Type())
userdataBytes, err := ds.FetchUserdata()
if err != nil {
fmt.Printf("Failed fetching user-data from datasource: %v\n", err)
die()
}
fmt.Printf("Fetching meta-data from datasource of type %q\n", ds.Type())
metadataBytes, err := ds.FetchMetadata()
if err != nil {
fmt.Printf("Failed fetching meta-data from datasource: %v\n", err)
die()
}
// Extract IPv4 addresses from metadata if possible
var subs map[string]string
if len(metadataBytes) > 0 {
subs, err = initialize.ExtractIPsFromMetadata(metadataBytes)
if err != nil {
fmt.Printf("Failed extracting IPs from meta-data: %v\n", err)
die()
}
}
// Apply environment to user-data
env := initialize.NewEnvironment("/", ds.ConfigRoot(), workspace, convertNetconf, sshKeyName, subs)
userdata := env.Apply(string(userdataBytes))
var ccm, ccu *initialize.CloudConfig
var script *system.Script
if ccm, err = initialize.ParseMetaData(string(metadataBytes)); err != nil {
fmt.Printf("Failed to parse meta-data: %v\n", err)
die()
}
if ud, err := initialize.ParseUserData(userdata); err != nil {
fmt.Printf("Failed to parse user-data: %v\n", err)
die()
} else {
switch t := ud.(type) {
case *initialize.CloudConfig:
ccu = t
case system.Script:
script = &t
}
}
var cc *initialize.CloudConfig
if ccm != nil && ccu != nil {
fmt.Println("Merging cloud-config from meta-data and user-data")
merged := mergeCloudConfig(*ccm, *ccu)
cc = &merged
} else if ccm != nil && ccu == nil {
fmt.Println("Processing cloud-config from meta-data")
cc = ccm
} else if ccm == nil && ccu != nil {
fmt.Println("Processing cloud-config from user-data")
cc = ccu
} else {
fmt.Println("No cloud-config data to handle.")
}
if cc != nil {
if err = initialize.Apply(*cc, env); err != nil {
fmt.Printf("Failed to apply cloud-config: %v\n", err)
die()
}
}
if script != nil {
if err = runScript(*script, env); err != nil {
fmt.Printf("Failed to run script: %v\n", err)
die()
}
}
}