forked from sensu/sensu-go
/
create.go
229 lines (196 loc) · 5.13 KB
/
create.go
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package asset
import (
"errors"
"fmt"
"strings"
"github.com/AlecAivazis/survey"
"github.com/sensu/sensu-go/cli"
"github.com/sensu/sensu-go/cli/client"
"github.com/sensu/sensu-go/cli/commands/flags"
"github.com/sensu/sensu-go/cli/commands/helpers"
"github.com/sensu/sensu-go/types"
"github.com/spf13/cobra"
"github.com/spf13/pflag"
)
// CreateCommand adds command that allows user to create new assets
func CreateCommand(cli *cli.SensuCli) *cobra.Command {
cmd := &cobra.Command{
Use: "create [NAME]",
Short: "create new assets",
PreRun: func(cmd *cobra.Command, args []string) {
isInteractive, _ := cmd.Flags().GetBool(flags.Interactive)
if !isInteractive {
// Mark flags are required for bash-completions
_ = cmd.MarkFlagRequired("sha512")
_ = cmd.MarkFlagRequired("url")
}
},
RunE: func(cmd *cobra.Command, args []string) error {
executor := &CreateExecutor{
Client: cli.Client,
Namespace: cli.Config.Namespace(),
}
return executor.Run(cmd, args)
},
}
_ = cmd.Flags().StringP("sha512", "", "", "SHA-512 checksum of the asset's archive")
_ = cmd.Flags().StringP("url", "u", "", "the URL of the asset")
_ = cmd.Flags().StringSlice("filter", []string{}, "queries used by an entity to determine if it should include the asset")
helpers.AddInteractiveFlag(cmd.Flags())
return cmd
}
// CreateExecutor executes create asset command
type CreateExecutor struct {
Client client.APIClient
Namespace string
}
// Run runs the command given arguments
func (exePtr *CreateExecutor) Run(cmd *cobra.Command, args []string) error {
if len(args) > 1 {
_ = cmd.Help()
return errors.New("invalid argument(s) received")
}
cfg := ConfigureAsset{
Flags: cmd.Flags(),
Args: args,
Namespace: exePtr.Namespace,
}
asset, errs := cfg.Configure()
if len(errs) > 0 {
return helpers.JoinErrors("Bad inputs: ", errs)
}
if err := asset.Validate(); err != nil {
return err
}
if err := exePtr.Client.CreateAsset(asset); err != nil {
return err
}
_, _ = fmt.Fprintln(cmd.OutOrStdout(), "Created")
return nil
}
// ConfigureAsset given details configures a new asset
type ConfigureAsset struct {
Flags *pflag.FlagSet
Args []string
Namespace string
cfg Config
errors []error
}
// Configure returns a new asset or returns error if arguments are invalid
func (cfgPtr *ConfigureAsset) Configure() (*types.Asset, []error) {
isInteractive, _ := cfgPtr.Flags.GetBool(flags.Interactive)
if len(cfgPtr.Args) == 1 {
cfgPtr.cfg.Name = cfgPtr.Args[0]
} else if len(cfgPtr.Args) > 1 {
cfgPtr.addError(errors.New("too many arguments given"))
}
if isInteractive {
cfgPtr.setNamespace()
if err := cfgPtr.administerQuestionnaire(); err != nil {
cfgPtr.addError(err)
}
} else {
cfgPtr.configureFromFlags()
}
var asset types.Asset
cfgPtr.cfg.Copy(&asset)
return &asset, cfgPtr.errors
}
func (cfgPtr *ConfigureAsset) administerQuestionnaire() error {
var qs = []*survey.Question{
{
Name: "name",
Prompt: &survey.Input{
Message: "Name:",
Default: cfgPtr.cfg.Name,
},
Validate: survey.Required,
},
{
Name: "namespace",
Prompt: &survey.Input{
Message: "Namespace:",
Default: cfgPtr.Namespace,
},
Validate: survey.Required,
},
{
Name: "url",
Prompt: &survey.Input{Message: "URL:"},
Validate: survey.Required,
},
{
Name: "sha512",
Prompt: &survey.Input{Message: "SHA-512 Checksum:"},
Validate: survey.Required,
},
{
Name: "filters",
Prompt: &survey.Input{Message: "Filters:"},
},
}
return survey.Ask(qs, &cfgPtr.cfg)
}
func (cfgPtr *ConfigureAsset) configureFromFlags() {
cfgPtr.setName()
cfgPtr.setNamespace()
cfgPtr.setSha512()
cfgPtr.setURL()
cfgPtr.setFilters()
}
func (cfgPtr *ConfigureAsset) setName() {
args := cfgPtr.Args
if len(args) == 1 {
cfgPtr.cfg.Name = args[0]
} else {
cfgPtr.addError(errors.New("please provide a name"))
}
}
func (cfgPtr *ConfigureAsset) setNamespace() {
if len(cfgPtr.Namespace) == 0 {
cfgPtr.addError(errors.New("namespace name cannot be blank"))
}
cfgPtr.cfg.Namespace = cfgPtr.Namespace
}
func (cfgPtr *ConfigureAsset) setSha512() {
if sha512, err := cfgPtr.Flags.GetString("sha512"); err != nil {
panic(err)
} else {
cfgPtr.cfg.Sha512 = sha512
}
}
func (cfgPtr *ConfigureAsset) setURL() {
if url, err := cfgPtr.Flags.GetString("url"); err != nil {
panic(err)
} else {
cfgPtr.cfg.URL = url
}
}
func (cfgPtr *ConfigureAsset) setFilters() {
if filters, err := cfgPtr.Flags.GetStringSlice("filter"); err != nil {
panic(err)
} else {
cfgPtr.cfg.Filters = strings.Join(filters, ",")
}
}
func (cfgPtr *ConfigureAsset) addError(err error) {
if err != nil {
cfgPtr.errors = append(cfgPtr.errors, err)
}
}
// Config represents configurable attributes of an asset
type Config struct {
Name string
Namespace string
Sha512 string
URL string
Filters string
}
// Copy applies configured details to given asset
func (cfgPtr *Config) Copy(asset *types.Asset) {
asset.Name = cfgPtr.Name
asset.Namespace = cfgPtr.Namespace
asset.Sha512 = cfgPtr.Sha512
asset.URL = cfgPtr.URL
asset.Filters = helpers.SafeSplitCSV(cfgPtr.Filters)
}