132 lines
2.6 KiB
Go
132 lines
2.6 KiB
Go
package command
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import (
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"bytes"
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"fmt"
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"io"
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"io/ioutil"
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"os"
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"strings"
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"github.com/pkg/errors"
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)
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type LicensePutCommand struct {
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Meta
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testStdin io.Reader
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}
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func (c *LicensePutCommand) Help() string {
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helpText := `
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Usage: nomad license put [options]
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Puts a new license in Servers and Clients
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General Options:
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` + generalOptionsUsage() + `
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Install a new license from a file:
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$ nomad license put @nomad.license
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Install a new license from stdin:
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$ nomad license put -
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Install a new license from a string:
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$ nomad license put "<license blob>"
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`
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return strings.TrimSpace(helpText)
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}
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func (c *LicensePutCommand) Synopsis() string {
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return "Install a new Nomad Enterprise License"
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}
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func (c *LicensePutCommand) Name() string { return "license put" }
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func (c *LicensePutCommand) Run(args []string) int {
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flags := c.Meta.FlagSet(c.Name(), FlagSetClient)
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flags.Usage = func() { c.Ui.Output(c.Help()) }
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if err := flags.Parse(args); err != nil {
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c.Ui.Error(fmt.Sprintf("Error parsing flags: %s", err))
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return 1
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}
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args = flags.Args()
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data, err := c.dataFromArgs(args)
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if err != nil {
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c.Ui.Error(errors.Wrap(err, "Error parsing arguments").Error())
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return 1
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}
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client, err := c.Meta.Client()
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error initializing client: %s", err))
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return 1
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}
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resp, _, err := client.Operator().LicensePut(data, nil)
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if err != nil {
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c.Ui.Error(fmt.Sprintf("Error putting license: %v", err))
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return 1
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}
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return OutputLicenseReply(c.Ui, resp)
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}
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func (c *LicensePutCommand) dataFromArgs(args []string) (string, error) {
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switch len(args) {
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case 0:
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return "", fmt.Errorf("Missing LICENSE argument")
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case 1:
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return LoadDataSource(args[0], c.testStdin)
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default:
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return "", fmt.Errorf("Too many arguments, exptected 1, got %d", len(args))
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}
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}
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func loadFromFile(path string) (string, error) {
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data, err := ioutil.ReadFile(path)
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if err != nil {
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return "", fmt.Errorf("Failed to read file: %v", err)
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}
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return string(data), nil
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}
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func loadFromStdin(testStdin io.Reader) (string, error) {
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var stdin io.Reader = os.Stdin
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if testStdin != nil {
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stdin = testStdin
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}
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var b bytes.Buffer
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if _, err := io.Copy(&b, stdin); err != nil {
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return "", fmt.Errorf("Failed to read stdin: %v", err)
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}
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return b.String(), nil
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}
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func LoadDataSource(data string, testStdin io.Reader) (string, error) {
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// Handle empty quoted shell parameters
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if len(data) == 0 {
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return "", nil
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}
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switch data[0] {
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case '@':
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return loadFromFile(data[1:])
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case '-':
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if len(data) > 1 {
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return data, nil
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}
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return loadFromStdin(testStdin)
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default:
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return data, nil
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}
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}
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