455 lines
11 KiB
Go
455 lines
11 KiB
Go
package main
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import (
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"fmt"
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"github.com/fatih/color"
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log "github.com/sirupsen/logrus"
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"github.com/spf13/cobra"
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"github.com/crowdsecurity/go-cs-lib/coalesce"
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"github.com/crowdsecurity/crowdsec/cmd/crowdsec-cli/require"
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"github.com/crowdsecurity/crowdsec/pkg/cwhub"
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)
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type cliHelp struct {
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// Example is required, the others have a default value
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// generated from the item type
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use string
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short string
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long string
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example string
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}
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type itemCLI struct {
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name string // plural, as used in the hub index
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singular string
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oneOrMore string // parenthetical pluralizaion: "parser(s)"
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help cliHelp
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installHelp cliHelp
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removeHelp cliHelp
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upgradeHelp cliHelp
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inspectHelp cliHelp
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inspectDetail func(item *cwhub.Item) error
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listHelp cliHelp
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}
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func (it itemCLI) NewCommand() *cobra.Command {
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cmd := &cobra.Command{
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Use: coalesce.String(it.help.use, fmt.Sprintf("%s <action> [item]...", it.name)),
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Short: coalesce.String(it.help.short, fmt.Sprintf("Manage hub %s", it.name)),
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Long: it.help.long,
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Example: it.help.example,
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Args: cobra.MinimumNArgs(1),
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Aliases: []string{it.singular},
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DisableAutoGenTag: true,
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}
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cmd.AddCommand(it.NewInstallCmd())
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cmd.AddCommand(it.NewRemoveCmd())
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cmd.AddCommand(it.NewUpgradeCmd())
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cmd.AddCommand(it.NewInspectCmd())
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cmd.AddCommand(it.NewListCmd())
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return cmd
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}
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func (it itemCLI) Install(cmd *cobra.Command, args []string) error {
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flags := cmd.Flags()
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downloadOnly, err := flags.GetBool("download-only")
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if err != nil {
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return err
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}
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force, err := flags.GetBool("force")
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if err != nil {
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return err
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}
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ignoreError, err := flags.GetBool("ignore")
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if err != nil {
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return err
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}
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hub, err := require.Hub(csConfig, require.RemoteHub(csConfig))
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if err != nil {
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return err
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}
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for _, name := range args {
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item := hub.GetItem(it.name, name)
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if item == nil {
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msg := suggestNearestMessage(hub, it.name, name)
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if !ignoreError {
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return fmt.Errorf(msg)
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}
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log.Errorf(msg)
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continue
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}
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if err := item.Install(force, downloadOnly); err != nil {
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if !ignoreError {
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return fmt.Errorf("error while installing '%s': %w", item.Name, err)
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}
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log.Errorf("Error while installing '%s': %s", item.Name, err)
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}
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}
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log.Infof(ReloadMessage())
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return nil
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}
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func (it itemCLI) NewInstallCmd() *cobra.Command {
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cmd := &cobra.Command{
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Use: coalesce.String(it.installHelp.use, "install [item]..."),
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Short: coalesce.String(it.installHelp.short, fmt.Sprintf("Install given %s", it.oneOrMore)),
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Long: coalesce.String(it.installHelp.long, fmt.Sprintf("Fetch and install one or more %s from the hub", it.name)),
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Example: it.installHelp.example,
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Args: cobra.MinimumNArgs(1),
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DisableAutoGenTag: true,
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ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
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return compAllItems(it.name, args, toComplete)
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},
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RunE: it.Install,
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}
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flags := cmd.Flags()
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flags.BoolP("download-only", "d", false, "Only download packages, don't enable")
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flags.Bool("force", false, "Force install: overwrite tainted and outdated files")
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flags.Bool("ignore", false, fmt.Sprintf("Ignore errors when installing multiple %s", it.name))
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return cmd
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}
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// return the names of the installed parents of an item, used to check if we can remove it
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func istalledParentNames(item *cwhub.Item) []string {
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ret := make([]string, 0)
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for _, parent := range item.Ancestors() {
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if parent.State.Installed {
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ret = append(ret, parent.Name)
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}
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}
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return ret
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}
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func (it itemCLI) Remove(cmd *cobra.Command, args []string) error {
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flags := cmd.Flags()
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purge, err := flags.GetBool("purge")
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if err != nil {
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return err
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}
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force, err := flags.GetBool("force")
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if err != nil {
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return err
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}
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all, err := flags.GetBool("all")
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if err != nil {
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return err
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}
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hub, err := require.Hub(csConfig, nil)
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if err != nil {
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return err
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}
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if all {
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getter := hub.GetInstalledItems
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if purge {
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getter = hub.GetAllItems
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}
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items, err := getter(it.name)
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if err != nil {
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return err
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}
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removed := 0
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for _, item := range items {
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didRemove, err := item.Remove(purge, force)
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if err != nil {
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return err
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}
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if didRemove {
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log.Infof("Removed %s", item.Name)
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removed++
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}
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}
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log.Infof("Removed %d %s", removed, it.name)
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if removed > 0 {
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log.Infof(ReloadMessage())
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}
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return nil
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}
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if len(args) == 0 {
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return fmt.Errorf("specify at least one %s to remove or '--all'", it.singular)
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}
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removed := 0
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for _, itemName := range args {
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item := hub.GetItem(it.name, itemName)
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if item == nil {
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return fmt.Errorf("can't find '%s' in %s", itemName, it.name)
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}
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parents := istalledParentNames(item)
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if !force && len(parents) > 0 {
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log.Warningf("%s belongs to collections: %s", item.Name, parents)
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log.Warningf("Run 'sudo cscli %s remove %s --force' if you want to force remove this %s", item.Type, item.Name, it.singular)
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continue
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}
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didRemove, err := item.Remove(purge, force)
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if err != nil {
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return err
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}
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if didRemove {
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log.Infof("Removed %s", item.Name)
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removed++
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}
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}
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log.Infof("Removed %d %s", removed, it.name)
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if removed > 0 {
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log.Infof(ReloadMessage())
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}
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return nil
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}
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func (it itemCLI) NewRemoveCmd() *cobra.Command {
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cmd := &cobra.Command{
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Use: coalesce.String(it.removeHelp.use, "remove [item]..."),
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Short: coalesce.String(it.removeHelp.short, fmt.Sprintf("Remove given %s", it.oneOrMore)),
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Long: coalesce.String(it.removeHelp.long, fmt.Sprintf("Remove one or more %s", it.name)),
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Example: it.removeHelp.example,
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Aliases: []string{"delete"},
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DisableAutoGenTag: true,
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ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
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return compInstalledItems(it.name, args, toComplete)
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},
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RunE: it.Remove,
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}
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flags := cmd.Flags()
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flags.Bool("purge", false, "Delete source file too")
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flags.Bool("force", false, "Force remove: remove tainted and outdated files")
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flags.Bool("all", false, fmt.Sprintf("Remove all the %s", it.name))
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return cmd
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}
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func (it itemCLI) Upgrade(cmd *cobra.Command, args []string) error {
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flags := cmd.Flags()
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force, err := flags.GetBool("force")
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if err != nil {
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return err
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}
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all, err := flags.GetBool("all")
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if err != nil {
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return err
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}
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hub, err := require.Hub(csConfig, require.RemoteHub(csConfig))
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if err != nil {
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return err
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}
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if all {
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items, err := hub.GetInstalledItems(it.name)
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if err != nil {
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return err
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}
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updated := 0
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for _, item := range items {
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didUpdate, err := item.Upgrade(force)
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if err != nil {
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return err
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}
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if didUpdate {
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updated++
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}
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}
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log.Infof("Updated %d %s", updated, it.name)
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if updated > 0 {
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log.Infof(ReloadMessage())
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}
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return nil
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}
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if len(args) == 0 {
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return fmt.Errorf("specify at least one %s to upgrade or '--all'", it.singular)
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}
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updated := 0
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for _, itemName := range args {
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item := hub.GetItem(it.name, itemName)
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if item == nil {
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return fmt.Errorf("can't find '%s' in %s", itemName, it.name)
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}
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didUpdate, err := item.Upgrade(force)
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if err != nil {
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return err
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}
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if didUpdate {
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log.Infof("Updated %s", item.Name)
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updated++
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}
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}
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if updated > 0 {
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log.Infof(ReloadMessage())
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}
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return nil
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}
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func (it itemCLI) NewUpgradeCmd() *cobra.Command {
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cmd := &cobra.Command{
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Use: coalesce.String(it.upgradeHelp.use, "upgrade [item]..."),
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Short: coalesce.String(it.upgradeHelp.short, fmt.Sprintf("Upgrade given %s", it.oneOrMore)),
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Long: coalesce.String(it.upgradeHelp.long, fmt.Sprintf("Fetch and upgrade one or more %s from the hub", it.name)),
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Example: it.upgradeHelp.example,
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DisableAutoGenTag: true,
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ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
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return compInstalledItems(it.name, args, toComplete)
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},
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RunE: it.Upgrade,
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}
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flags := cmd.Flags()
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flags.BoolP("all", "a", false, fmt.Sprintf("Upgrade all the %s", it.name))
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flags.Bool("force", false, "Force upgrade: overwrite tainted and outdated files")
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return cmd
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}
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func (it itemCLI) Inspect(cmd *cobra.Command, args []string) error {
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flags := cmd.Flags()
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url, err := flags.GetString("url")
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if err != nil {
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return err
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}
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if url != "" {
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csConfig.Cscli.PrometheusUrl = url
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}
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noMetrics, err := flags.GetBool("no-metrics")
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if err != nil {
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return err
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}
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hub, err := require.Hub(csConfig, nil)
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if err != nil {
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return err
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}
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for _, name := range args {
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item := hub.GetItem(it.name, name)
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if item == nil {
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return fmt.Errorf("can't find '%s' in %s", name, it.name)
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}
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if err = InspectItem(item, !noMetrics); err != nil {
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return err
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}
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if it.inspectDetail != nil {
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if err = it.inspectDetail(item); err != nil {
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return err
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}
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}
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}
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return nil
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}
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func (it itemCLI) NewInspectCmd() *cobra.Command {
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cmd := &cobra.Command{
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Use: coalesce.String(it.inspectHelp.use, "inspect [item]..."),
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Short: coalesce.String(it.inspectHelp.short, fmt.Sprintf("Inspect given %s", it.oneOrMore)),
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Long: coalesce.String(it.inspectHelp.long, fmt.Sprintf("Inspect the state of one or more %s", it.name)),
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Example: it.inspectHelp.example,
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Args: cobra.MinimumNArgs(1),
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DisableAutoGenTag: true,
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ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
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return compInstalledItems(it.name, args, toComplete)
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},
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RunE: it.Inspect,
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}
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flags := cmd.Flags()
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flags.StringP("url", "u", "", "Prometheus url")
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flags.Bool("no-metrics", false, "Don't show metrics (when cscli.output=human)")
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return cmd
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}
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func (it itemCLI) List(cmd *cobra.Command, args []string) error {
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flags := cmd.Flags()
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all, err := flags.GetBool("all")
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if err != nil {
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return err
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}
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hub, err := require.Hub(csConfig, nil)
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if err != nil {
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return err
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}
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items := make(map[string][]*cwhub.Item)
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items[it.name], err = selectItems(hub, it.name, args, !all)
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if err != nil {
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return err
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}
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if err = listItems(color.Output, []string{it.name}, items, false); err != nil {
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return err
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}
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return nil
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}
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func (it itemCLI) NewListCmd() *cobra.Command {
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cmd := &cobra.Command{
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Use: coalesce.String(it.listHelp.use, "list [item... | -a]"),
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Short: coalesce.String(it.listHelp.short, fmt.Sprintf("List %s", it.oneOrMore)),
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Long: coalesce.String(it.listHelp.long, fmt.Sprintf("List of installed/available/specified %s", it.name)),
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Example: it.listHelp.example,
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DisableAutoGenTag: true,
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RunE: it.List,
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}
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flags := cmd.Flags()
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flags.BoolP("all", "a", false, "List disabled items as well")
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return cmd
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}
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