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package main
import (
"fmt"
"io"
"net/http"
"os"
"sort"
"strings"
"github.com/spf13/cobra"
"gopkg.in/yaml.v2"
"github.com/canonical/lxd/shared"
"github.com/canonical/lxd/shared/api"
cli "github.com/canonical/lxd/shared/cmd"
"github.com/canonical/lxd/shared/i18n"
"github.com/canonical/lxd/shared/termios"
)
type cmdProfile struct {
global *cmdGlobal
}
func (c *cmdProfile) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = usage("profile")
cmd.Short = i18n.G("Manage profiles")
cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
`Manage profiles`))
// Add
profileAddCmd := cmdProfileAdd{global: c.global, profile: c}
cmd.AddCommand(profileAddCmd.Command())
// Assign
profileAssignCmd := cmdProfileAssign{global: c.global, profile: c}
cmd.AddCommand(profileAssignCmd.Command())
// Copy
profileCopyCmd := cmdProfileCopy{global: c.global, profile: c}
cmd.AddCommand(profileCopyCmd.Command())
// Create
profileCreateCmd := cmdProfileCreate{global: c.global, profile: c}
cmd.AddCommand(profileCreateCmd.Command())
// Delete
profileDeleteCmd := cmdProfileDelete{global: c.global, profile: c}
cmd.AddCommand(profileDeleteCmd.Command())
// Device
profileDeviceCmd := cmdConfigDevice{global: c.global, profile: c}
cmd.AddCommand(profileDeviceCmd.Command())
// Edit
profileEditCmd := cmdProfileEdit{global: c.global, profile: c}
cmd.AddCommand(profileEditCmd.Command())
// Get
profileGetCmd := cmdProfileGet{global: c.global, profile: c}
cmd.AddCommand(profileGetCmd.Command())
// List
profileListCmd := cmdProfileList{global: c.global, profile: c}
cmd.AddCommand(profileListCmd.Command())
// Remove
profileRemoveCmd := cmdProfileRemove{global: c.global, profile: c}
cmd.AddCommand(profileRemoveCmd.Command())
// Rename
profileRenameCmd := cmdProfileRename{global: c.global, profile: c}
cmd.AddCommand(profileRenameCmd.Command())
// Set
profileSetCmd := cmdProfileSet{global: c.global, profile: c}
cmd.AddCommand(profileSetCmd.Command())
// Show
profileShowCmd := cmdProfileShow{global: c.global, profile: c}
cmd.AddCommand(profileShowCmd.Command())
// Unset
profileUnsetCmd := cmdProfileUnset{global: c.global, profile: c, profileSet: &profileSetCmd}
cmd.AddCommand(profileUnsetCmd.Command())
// Workaround for subcommand usage errors. See: https://github.com/spf13/cobra/issues/706
cmd.Args = cobra.NoArgs
cmd.Run = func(cmd *cobra.Command, args []string) { _ = cmd.Usage() }
return cmd
}
// Add.
type cmdProfileAdd struct {
global *cmdGlobal
profile *cmdProfile
}
func (c *cmdProfileAdd) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = usage("add", i18n.G("[<remote>:]<instance> <profile>"))
cmd.Short = i18n.G("Add profiles to instances")
cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
`Add profiles to instances`))
cmd.RunE = c.Run
return cmd
}
func (c *cmdProfileAdd) Run(cmd *cobra.Command, args []string) error {
// Quick checks.
exit, err := c.global.CheckArgs(cmd, args, 2, 2)
if exit {
return err
}
// Parse remote
resources, err := c.global.ParseServers(args[0])
if err != nil {
return err
}
resource := resources[0]
if resource.name == "" {
return fmt.Errorf(i18n.G("Missing instance name"))
}
// Add the profile
inst, etag, err := resource.server.GetInstance(resource.name)
if err != nil {
return err
}
inst.Profiles = append(inst.Profiles, args[1])
op, err := resource.server.UpdateInstance(resource.name, inst.Writable(), etag)
if err != nil {
return err
}
err = op.Wait()
if err != nil {
return err
}
if !c.global.flagQuiet {
fmt.Printf(i18n.G("Profile %s added to %s")+"\n", args[1], resource.name)
}
return nil
}
// Assign.
type cmdProfileAssign struct {
global *cmdGlobal
profile *cmdProfile
}
func (c *cmdProfileAssign) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = usage("assign", i18n.G("[<remote>:]<instance> <profiles>"))
cmd.Aliases = []string{"apply"}
cmd.Short = i18n.G("Assign sets of profiles to instances")
cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
`Assign sets of profiles to instances`))
cmd.Example = cli.FormatSection("", i18n.G(
`lxc profile assign foo default,bar
Set the profiles for "foo" to "default" and "bar".
lxc profile assign foo default
Reset "foo" to only using the "default" profile.
lxc profile assign foo ''
Remove all profile from "foo"`))
cmd.RunE = c.Run
return cmd
}
func (c *cmdProfileAssign) Run(cmd *cobra.Command, args []string) error {
// Quick checks.
exit, err := c.global.CheckArgs(cmd, args, 2, 2)
if exit {
return err
}
// Parse remote
resources, err := c.global.ParseServers(args[0])
if err != nil {
return err
}
resource := resources[0]
// Assign the profiles
if resource.name == "" {
return fmt.Errorf(i18n.G("Missing instance name"))
}
inst, etag, err := resource.server.GetInstance(resource.name)
if err != nil {
return err
}
if args[1] != "" {
inst.Profiles = strings.Split(args[1], ",")
} else {
inst.Profiles = nil
}
op, err := resource.server.UpdateInstance(resource.name, inst.Writable(), etag)
if err != nil {
return err
}
err = op.Wait()
if err != nil {
return err
}
if args[1] == "" {
args[1] = i18n.G("(none)")
}
if !c.global.flagQuiet {
fmt.Printf(i18n.G("Profiles %s applied to %s")+"\n", args[1], resource.name)
}
return nil
}
// Copy.
type cmdProfileCopy struct {
global *cmdGlobal
profile *cmdProfile
flagTargetProject string
flagRefresh bool
}
func (c *cmdProfileCopy) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = usage("copy", i18n.G("[<remote>:]<profile> [<remote>:]<profile>"))
cmd.Aliases = []string{"cp"}
cmd.Short = i18n.G("Copy profiles")
cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
`Copy profiles`))
cmd.Flags().StringVar(&c.flagTargetProject, "target-project", "", i18n.G("Copy to a project different from the source")+"``")
cmd.Flags().BoolVar(&c.flagRefresh, "refresh", false, i18n.G("Update the target profile from the source if it already exists"))
cmd.RunE = c.Run
return cmd
}
func (c *cmdProfileCopy) Run(cmd *cobra.Command, args []string) error {
// Quick checks.
exit, err := c.global.CheckArgs(cmd, args, 2, 2)
if exit {
return err
}
// Parse remote
resources, err := c.global.ParseServers(args...)
if err != nil {
return err
}
source := resources[0]
dest := resources[1]
if source.name == "" {
return fmt.Errorf(i18n.G("Missing source profile name"))
}
if dest.name == "" {
dest.name = source.name
}
// Copy the profile
profile, _, err := source.server.GetProfile(source.name)
if err != nil {
return err
}
if c.flagTargetProject != "" {
dest.server = dest.server.UseProject(c.flagTargetProject)
}
// Refresh the profile if requested.
if c.flagRefresh {
err := dest.server.UpdateProfile(dest.name, profile.Writable(), "")
if err == nil || !api.StatusErrorCheck(err, http.StatusNotFound) {
return err
}
}
newProfile := api.ProfilesPost{
ProfilePut: profile.Writable(),
Name: dest.name,
}
return dest.server.CreateProfile(newProfile)
}
// Create.
type cmdProfileCreate struct {
global *cmdGlobal
profile *cmdProfile
}
func (c *cmdProfileCreate) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = usage("create", i18n.G("[<remote>:]<profile>"))
cmd.Short = i18n.G("Create profiles")
cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
`Create profiles`))
cmd.RunE = c.Run
return cmd
}
func (c *cmdProfileCreate) Run(cmd *cobra.Command, args []string) error {
// Quick checks.
exit, err := c.global.CheckArgs(cmd, args, 1, 1)
if exit {
return err
}
// Parse remote
resources, err := c.global.ParseServers(args[0])
if err != nil {
return err
}
resource := resources[0]
if resource.name == "" {
return fmt.Errorf(i18n.G("Missing profile name"))
}
// Create the profile
profile := api.ProfilesPost{}
profile.Name = resource.name
err = resource.server.CreateProfile(profile)
if err != nil {
return err
}
if !c.global.flagQuiet {
fmt.Printf(i18n.G("Profile %s created")+"\n", resource.name)
}
return nil
}
// Delete.
type cmdProfileDelete struct {
global *cmdGlobal
profile *cmdProfile
}
func (c *cmdProfileDelete) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = usage("delete", i18n.G("[<remote>:]<profile>"))
cmd.Aliases = []string{"rm"}
cmd.Short = i18n.G("Delete profiles")
cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
`Delete profiles`))
cmd.RunE = c.Run
return cmd
}
func (c *cmdProfileDelete) Run(cmd *cobra.Command, args []string) error {
// Quick checks.
exit, err := c.global.CheckArgs(cmd, args, 1, 1)
if exit {
return err
}
// Parse remote
resources, err := c.global.ParseServers(args[0])
if err != nil {
return err
}
resource := resources[0]
if resource.name == "" {
return fmt.Errorf(i18n.G("Missing profile name"))
}
// Delete the profile
err = resource.server.DeleteProfile(resource.name)
if err != nil {
return err
}
if !c.global.flagQuiet {
fmt.Printf(i18n.G("Profile %s deleted")+"\n", resource.name)
}
return nil
}
// Edit.
type cmdProfileEdit struct {
global *cmdGlobal
profile *cmdProfile
}
func (c *cmdProfileEdit) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = usage("edit", i18n.G("[<remote>:]<profile>"))
cmd.Short = i18n.G("Edit profile configurations as YAML")
cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
`Edit profile configurations as YAML`))
cmd.Example = cli.FormatSection("", i18n.G(
`lxc profile edit <profile> < profile.yaml
Update a profile using the content of profile.yaml`))
cmd.RunE = c.Run
return cmd
}
func (c *cmdProfileEdit) helpTemplate() string {
return i18n.G(
`### This is a YAML representation of the profile.
### Any line starting with a '# will be ignored.
###
### A profile consists of a set of configuration items followed by a set of
### devices.
###
### An example would look like:
### name: onenic
### config:
### raw.lxc: lxc.aa_profile=unconfined
### devices:
### eth0:
### nictype: bridged
### parent: lxdbr0
### type: nic
###
### Note that the name is shown but cannot be changed`)
}
func (c *cmdProfileEdit) Run(cmd *cobra.Command, args []string) error {
// Quick checks.
exit, err := c.global.CheckArgs(cmd, args, 1, 1)
if exit {
return err
}
// Parse remote
resources, err := c.global.ParseServers(args[0])
if err != nil {
return err
}
resource := resources[0]
if resource.name == "" {
return fmt.Errorf(i18n.G("Missing profile name"))
}
// If stdin isn't a terminal, read text from it
if !termios.IsTerminal(getStdinFd()) {
contents, err := io.ReadAll(os.Stdin)
if err != nil {
return err
}
newdata := api.ProfilePut{}
err = yaml.Unmarshal(contents, &newdata)
if err != nil {
return err
}
return resource.server.UpdateProfile(resource.name, newdata, "")
}
// Extract the current value
profile, etag, err := resource.server.GetProfile(resource.name)
if err != nil {
return err
}
data, err := yaml.Marshal(&profile)
if err != nil {
return err
}
// Spawn the editor
content, err := shared.TextEditor("", []byte(c.helpTemplate()+"\n\n"+string(data)))
if err != nil {
return err
}
for {
// Parse the text received from the editor
newdata := api.ProfilePut{}
err = yaml.Unmarshal(content, &newdata)
if err == nil {
err = resource.server.UpdateProfile(resource.name, newdata, etag)
}
// Respawn the editor
if err != nil {
fmt.Fprintf(os.Stderr, i18n.G("Config parsing error: %s")+"\n", err)
fmt.Println(i18n.G("Press enter to open the editor again or ctrl+c to abort change"))
_, err := os.Stdin.Read(make([]byte, 1))
if err != nil {
return err
}
content, err = shared.TextEditor("", content)
if err != nil {
return err
}
continue
}
break
}
return nil
}
// Get.
type cmdProfileGet struct {
global *cmdGlobal
profile *cmdProfile
flagIsProperty bool
}
func (c *cmdProfileGet) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = usage("get", i18n.G("[<remote>:]<profile> <key>"))
cmd.Short = i18n.G("Get values for profile configuration keys")
cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
`Get values for profile configuration keys`))
cmd.RunE = c.Run
cmd.Flags().BoolVarP(&c.flagIsProperty, "property", "p", false, i18n.G("Get the key as a profile property"))
return cmd
}
func (c *cmdProfileGet) Run(cmd *cobra.Command, args []string) error {
// Quick checks.
exit, err := c.global.CheckArgs(cmd, args, 2, 2)
if exit {
return err
}
// Parse remote
resources, err := c.global.ParseServers(args[0])
if err != nil {
return err
}
resource := resources[0]
if resource.name == "" {
return fmt.Errorf(i18n.G("Missing profile name"))
}
// Get the configuration key
profile, _, err := resource.server.GetProfile(resource.name)
if err != nil {
return err
}
if c.flagIsProperty {
w := profile.Writable()
res, err := getFieldByJsonTag(&w, args[1])
if err != nil {
return fmt.Errorf(i18n.G("The property %q does not exist on the profile %q: %v"), args[1], resource.name, err)
}
fmt.Printf("%v\n", res)
} else {
fmt.Printf("%s\n", profile.Config[args[1]])
}
return nil
}
// List.
type cmdProfileList struct {
global *cmdGlobal
profile *cmdProfile
flagFormat string
}
func (c *cmdProfileList) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = usage("list", i18n.G("[<remote>:]"))
cmd.Aliases = []string{"ls"}
cmd.Short = i18n.G("List profiles")
cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
`List profiles`))
cmd.RunE = c.Run
cmd.Flags().StringVarP(&c.flagFormat, "format", "f", "table", i18n.G("Format (csv|json|table|yaml|compact)")+"``")
return cmd
}
func (c *cmdProfileList) Run(cmd *cobra.Command, args []string) error {
// Quick checks.
exit, err := c.global.CheckArgs(cmd, args, 0, 1)
if exit {
return err
}
// Parse remote
remote := ""
if len(args) > 0 {
remote = args[0]
}
resources, err := c.global.ParseServers(remote)
if err != nil {
return err
}
resource := resources[0]
// List profiles
profiles, err := resource.server.GetProfiles()
if err != nil {
return err
}
data := [][]string{}
for _, profile := range profiles {
strUsedBy := fmt.Sprintf("%d", len(profile.UsedBy))
data = append(data, []string{profile.Name, profile.Description, strUsedBy})
}
sort.Sort(cli.SortColumnsNaturally(data))
header := []string{
i18n.G("NAME"),
i18n.G("DESCRIPTION"),
i18n.G("USED BY")}
return cli.RenderTable(c.flagFormat, header, data, profiles)
}
// Remove.
type cmdProfileRemove struct {
global *cmdGlobal
profile *cmdProfile
}
func (c *cmdProfileRemove) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = usage("remove", i18n.G("[<remote>:]<instance> <profile>"))
cmd.Short = i18n.G("Remove profiles from instances")
cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
`Remove profiles from instances`))
cmd.RunE = c.Run
return cmd
}
func (c *cmdProfileRemove) Run(cmd *cobra.Command, args []string) error {
// Quick checks.
exit, err := c.global.CheckArgs(cmd, args, 2, 2)
if exit {
return err
}
// Parse remote
resources, err := c.global.ParseServers(args[0])
if err != nil {
return err
}
resource := resources[0]
if resource.name == "" {
return fmt.Errorf(i18n.G("Missing instance name"))
}
// Remove the profile
inst, etag, err := resource.server.GetInstance(resource.name)
if err != nil {
return err
}
if !shared.StringInSlice(args[1], inst.Profiles) {
return fmt.Errorf(i18n.G("Profile %s isn't currently applied to %s"), args[1], resource.name)
}
profiles := []string{}
for _, profile := range inst.Profiles {
if profile == args[1] {
continue
}
profiles = append(profiles, profile)
}
inst.Profiles = profiles
op, err := resource.server.UpdateInstance(resource.name, inst.Writable(), etag)
if err != nil {
return err
}
err = op.Wait()
if err != nil {
return err
}
if !c.global.flagQuiet {
fmt.Printf(i18n.G("Profile %s removed from %s")+"\n", args[1], resource.name)
}
return nil
}
// Rename.
type cmdProfileRename struct {
global *cmdGlobal
profile *cmdProfile
}
func (c *cmdProfileRename) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = usage("rename", i18n.G("[<remote>:]<profile> <new-name>"))
cmd.Aliases = []string{"mv"}
cmd.Short = i18n.G("Rename profiles")
cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
`Rename profiles`))
cmd.RunE = c.Run
return cmd
}
func (c *cmdProfileRename) Run(cmd *cobra.Command, args []string) error {
// Quick checks.
exit, err := c.global.CheckArgs(cmd, args, 2, 2)
if exit {
return err
}
// Parse remote
resources, err := c.global.ParseServers(args[0])
if err != nil {
return err
}
resource := resources[0]
if resource.name == "" {
return fmt.Errorf(i18n.G("Missing profile name"))
}
// Rename the profile
err = resource.server.RenameProfile(resource.name, api.ProfilePost{Name: args[1]})
if err != nil {
return err
}
if !c.global.flagQuiet {
fmt.Printf(i18n.G("Profile %s renamed to %s")+"\n", resource.name, args[1])
}
return nil
}
// Set.
type cmdProfileSet struct {
global *cmdGlobal
profile *cmdProfile
flagIsProperty bool
}
func (c *cmdProfileSet) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = usage("set", i18n.G("[<remote>:]<profile> <key><value>..."))
cmd.Short = i18n.G("Set profile configuration keys")
cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
`Set profile configuration keys
For backward compatibility, a single configuration key may still be set with:
lxc profile set [<remote>:]<profile> <key> <value>`))
cmd.RunE = c.Run
cmd.Flags().BoolVarP(&c.flagIsProperty, "property", "p", false, i18n.G("Set the key as a profile property"))
return cmd
}
func (c *cmdProfileSet) Run(cmd *cobra.Command, args []string) error {
// Quick checks.
exit, err := c.global.CheckArgs(cmd, args, 2, -1)
if exit {
return err
}
// Parse remote
resources, err := c.global.ParseServers(args[0])
if err != nil {
return err
}
resource := resources[0]
if resource.name == "" {
return fmt.Errorf(i18n.G("Missing profile name"))
}
// Get the profile
profile, etag, err := resource.server.GetProfile(resource.name)
if err != nil {
return err
}
// Set the configuration key
keys, err := getConfig(args[1:]...)
if err != nil {
return err
}
writable := profile.Writable()
if c.flagIsProperty {
if cmd.Name() == "unset" {
for k := range keys {
err := unsetFieldByJsonTag(&writable, k)
if err != nil {
return fmt.Errorf(i18n.G("Error unsetting property: %v"), err)
}
}
} else {
err := unpackKVToWritable(&writable, keys)
if err != nil {
return fmt.Errorf(i18n.G("Error setting properties: %v"), err)
}
}
} else {
for k, v := range keys {
writable.Config[k] = v
}
}
return resource.server.UpdateProfile(resource.name, writable, etag)
}
// Show.
type cmdProfileShow struct {
global *cmdGlobal
profile *cmdProfile
}
func (c *cmdProfileShow) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = usage("show", i18n.G("[<remote>:]<profile>"))
cmd.Short = i18n.G("Show profile configurations")
cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
`Show profile configurations`))
cmd.RunE = c.Run
return cmd
}
func (c *cmdProfileShow) Run(cmd *cobra.Command, args []string) error {
// Quick checks.
exit, err := c.global.CheckArgs(cmd, args, 1, 1)
if exit {
return err
}
// Parse remote
resources, err := c.global.ParseServers(args[0])
if err != nil {
return err
}
resource := resources[0]
if resource.name == "" {
return fmt.Errorf(i18n.G("Missing profile name"))
}
// Show the profile
profile, _, err := resource.server.GetProfile(resource.name)
if err != nil {
return err
}
data, err := yaml.Marshal(&profile)
if err != nil {
return err
}
fmt.Printf("%s", data)
return nil
}
// Unset.
type cmdProfileUnset struct {
global *cmdGlobal
profile *cmdProfile
profileSet *cmdProfileSet
flagIsProperty bool
}
func (c *cmdProfileUnset) Command() *cobra.Command {
cmd := &cobra.Command{}
cmd.Use = usage("unset", i18n.G("[<remote>:]<profile> <key>"))
cmd.Short = i18n.G("Unset profile configuration keys")
cmd.Long = cli.FormatSection(i18n.G("Description"), i18n.G(
`Unset profile configuration keys`))
cmd.RunE = c.Run
cmd.Flags().BoolVarP(&c.flagIsProperty, "property", "p", false, i18n.G("Unset the key as a profile property"))
return cmd
}
func (c *cmdProfileUnset) Run(cmd *cobra.Command, args []string) error {
// Quick checks.
exit, err := c.global.CheckArgs(cmd, args, 2, 2)
if exit {
return err
}
c.profileSet.flagIsProperty = c.flagIsProperty
args = append(args, "")
return c.profileSet.Run(cmd, args)
}
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