fix lock and resize order
Signed-off-by: Vasiliy Tolstov <v.tolstov@selfip.ru>
This commit is contained in:
parent
99671182f1
commit
d7b5d86bdb
@ -42,40 +42,47 @@ type CloudConfigUnit interface {
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Units() []system.Unit
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}
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func isLock(env *Environment) bool {
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if _, err := os.Stat(path.Join(env.Workspace(), ".lock")); err != nil {
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return false
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}
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return true
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}
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func Lock(env *Environment) error {
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if !isLock(env) {
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fp, err := os.OpenFile(path.Join(env.Workspace(), ".lock"), os.O_WRONLY|os.O_CREATE|os.O_EXCL|os.O_TRUNC, os.FileMode(0644))
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if err != nil {
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return err
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}
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return fp.Close()
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}
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return nil
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}
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// Apply renders a CloudConfig to an Environment. This can involve things like
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// configuring the hostname, adding new users, writing various configuration
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// files to disk, and manipulating systemd services.
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func Apply(cfg config.CloudConfig, ifaces []network.InterfaceGenerator, env *Environment) error {
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var err error
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if cfg.ResizeRootfs {
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log.Printf("resize root filesystem")
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if err = system.ResizeRootFS(); err != nil {
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return err
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}
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}
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for _, cmdline := range cfg.RunCMD {
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prog := strings.Fields(cmdline)[0]
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args := strings.Fields(cmdline)[1:]
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exec.Command(prog, args...).Run()
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}
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lockf := path.Join(env.Workspace(), ".lock")
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if _, err = os.Stat(lockf); err == nil {
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return nil
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}
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if err = os.MkdirAll(env.Workspace(), os.FileMode(0755)); err != nil {
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return err
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}
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if cfg.Hostname != "" {
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if err = system.SetHostname(cfg.Hostname); err != nil {
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return err
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if !isLock(env) {
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if cfg.Hostname != "" {
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if err = system.SetHostname(cfg.Hostname); err != nil {
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return err
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}
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log.Printf("Set hostname to %s", cfg.Hostname)
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}
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log.Printf("Set hostname to %s", cfg.Hostname)
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}
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for _, user := range cfg.Users {
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@ -84,28 +91,30 @@ func Apply(cfg config.CloudConfig, ifaces []network.InterfaceGenerator, env *Env
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continue
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}
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if system.UserExists(&user) {
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log.Printf("User '%s' exists, ignoring creation-time fields", user.Name)
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if user.PasswordHash != "" {
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log.Printf("Setting '%s' user's password", user.Name)
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if err := system.SetUserPassword(user.Name, user.PasswordHash); err != nil {
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log.Printf("Failed setting '%s' user's password: %v", user.Name, err)
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if !isLock(env) {
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if system.UserExists(&user) {
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log.Printf("User '%s' exists, ignoring creation-time fields", user.Name)
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if user.PasswordHash != "" {
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log.Printf("Setting '%s' user's password", user.Name)
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if err := system.SetUserPassword(user.Name, user.PasswordHash); err != nil {
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log.Printf("Failed setting '%s' user's password: %v", user.Name, err)
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return err
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}
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}
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} else {
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log.Printf("Creating user '%s'", user.Name)
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if err = system.CreateUser(&user); err != nil {
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log.Printf("Failed creating user '%s': %v", user.Name, err)
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return err
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}
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}
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} else {
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log.Printf("Creating user '%s'", user.Name)
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if err = system.CreateUser(&user); err != nil {
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log.Printf("Failed creating user '%s': %v", user.Name, err)
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if err = system.LockUnlockUser(&user); err != nil {
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log.Printf("Failed lock/unlock user '%s': %v", user.Name, err)
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return err
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}
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}
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if err = system.LockUnlockUser(&user); err != nil {
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log.Printf("Failed lock/unlock user '%s': %v", user.Name, err)
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return err
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}
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if len(user.SSHAuthorizedKeys) > 0 {
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log.Printf("Authorizing %d SSH keys for user '%s'", len(user.SSHAuthorizedKeys), user.Name)
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if err = system.AuthorizeSSHKeys(user.Name, env.SSHKeyName(), user.SSHAuthorizedKeys); err != nil {
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@ -141,83 +150,86 @@ func Apply(cfg config.CloudConfig, ifaces []network.InterfaceGenerator, env *Env
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}
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}
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var writeFiles []system.File
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for _, file := range cfg.WriteFiles {
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writeFiles = append(writeFiles, system.File{File: file})
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}
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for _, ccf := range []CloudConfigFile{
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system.OEM{OEM: cfg.CoreOS.OEM},
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system.Update{Update: cfg.CoreOS.Update, ReadConfig: system.DefaultReadConfig},
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system.EtcHosts{EtcHosts: cfg.ManageEtcHosts},
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system.Flannel{Flannel: cfg.CoreOS.Flannel},
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} {
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f, err := ccf.File()
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if err != nil {
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return err
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if !isLock(env) {
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var writeFiles []system.File
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for _, file := range cfg.WriteFiles {
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writeFiles = append(writeFiles, system.File{File: file})
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}
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if f != nil {
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writeFiles = append(writeFiles, *f)
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}
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}
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var units []system.Unit
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for _, u := range cfg.CoreOS.Units {
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units = append(units, system.Unit{Unit: u})
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}
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for _, ccu := range []CloudConfigUnit{
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system.Etcd{Etcd: cfg.CoreOS.Etcd},
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system.Etcd2{Etcd2: cfg.CoreOS.Etcd2},
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system.Fleet{Fleet: cfg.CoreOS.Fleet},
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system.Locksmith{Locksmith: cfg.CoreOS.Locksmith},
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system.Update{Update: cfg.CoreOS.Update, ReadConfig: system.DefaultReadConfig},
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} {
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units = append(units, ccu.Units()...)
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}
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wroteEnvironment := false
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for _, file := range writeFiles {
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fullPath, err := system.WriteFile(&file, env.Root())
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if err != nil {
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return err
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}
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if path.Clean(file.Path) == "/etc/environment" {
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wroteEnvironment = true
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}
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log.Printf("Wrote file %s to filesystem", fullPath)
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}
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if !wroteEnvironment {
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ef := env.DefaultEnvironmentFile()
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if ef != nil {
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err := system.WriteEnvFile(ef, env.Root())
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for _, ccf := range []CloudConfigFile{
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system.OEM{OEM: cfg.CoreOS.OEM},
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system.Update{Update: cfg.CoreOS.Update, ReadConfig: system.DefaultReadConfig},
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system.EtcHosts{EtcHosts: cfg.ManageEtcHosts},
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system.Flannel{Flannel: cfg.CoreOS.Flannel},
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} {
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f, err := ccf.File()
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if err != nil {
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return err
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}
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log.Printf("Updated /etc/environment")
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if f != nil {
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writeFiles = append(writeFiles, *f)
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}
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}
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}
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if len(ifaces) > 0 {
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units = append(units, createNetworkingUnits(ifaces)...)
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if err = system.RestartNetwork(ifaces); err != nil {
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var units []system.Unit
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for _, u := range cfg.CoreOS.Units {
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units = append(units, system.Unit{Unit: u})
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}
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for _, ccu := range []CloudConfigUnit{
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system.Etcd{Etcd: cfg.CoreOS.Etcd},
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system.Etcd2{Etcd2: cfg.CoreOS.Etcd2},
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system.Fleet{Fleet: cfg.CoreOS.Fleet},
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system.Locksmith{Locksmith: cfg.CoreOS.Locksmith},
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system.Update{Update: cfg.CoreOS.Update, ReadConfig: system.DefaultReadConfig},
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} {
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units = append(units, ccu.Units()...)
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}
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wroteEnvironment := false
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for _, file := range writeFiles {
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fullPath, err := system.WriteFile(&file, env.Root())
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if err != nil {
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return err
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}
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if path.Clean(file.Path) == "/etc/environment" {
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wroteEnvironment = true
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}
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log.Printf("Wrote file %s to filesystem", fullPath)
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}
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if !wroteEnvironment {
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ef := env.DefaultEnvironmentFile()
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if ef != nil {
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err := system.WriteEnvFile(ef, env.Root())
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if err != nil {
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return err
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}
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log.Printf("Updated /etc/environment")
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}
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}
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if len(ifaces) > 0 {
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units = append(units, createNetworkingUnits(ifaces)...)
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if err = system.RestartNetwork(ifaces); err != nil {
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return err
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}
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}
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um := system.NewUnitManager(env.Root())
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if err = processUnits(units, env.Root(), um); err != nil {
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return err
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}
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}
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um := system.NewUnitManager(env.Root())
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if err = processUnits(units, env.Root(), um); err != nil {
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return err
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if cfg.ResizeRootfs {
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log.Printf("resize root filesystem")
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if err = system.ResizeRootFS(); err != nil {
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return err
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}
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}
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fp, err := os.OpenFile(lockf, os.O_WRONLY|os.O_CREATE|os.O_EXCL|os.O_TRUNC, os.FileMode(0644))
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if err != nil {
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return err
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}
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fp.Close()
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return nil
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return Lock(env)
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}
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func createNetworkingUnits(interfaces []network.InterfaceGenerator) (units []system.Unit) {
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