mirror of https://github.com/hashicorp/consul
158 lines
4.5 KiB
Go
158 lines
4.5 KiB
Go
package policycreate
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import (
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"flag"
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"fmt"
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"io"
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"github.com/hashicorp/consul/acl"
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"github.com/hashicorp/consul/api"
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aclhelpers "github.com/hashicorp/consul/command/acl"
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"github.com/hashicorp/consul/command/flags"
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"github.com/hashicorp/consul/command/helpers"
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"github.com/mitchellh/cli"
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)
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func New(ui cli.Ui) *cmd {
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c := &cmd{UI: ui}
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c.init()
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return c
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}
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type cmd struct {
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UI cli.Ui
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flags *flag.FlagSet
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http *flags.HTTPFlags
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help string
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name string
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description string
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datacenters []string
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rules string
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fromToken string
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tokenIsSecret bool
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showMeta bool
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testStdin io.Reader
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}
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func (c *cmd) init() {
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c.flags = flag.NewFlagSet("", flag.ContinueOnError)
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c.flags.BoolVar(&c.showMeta, "meta", false, "Indicates that policy metadata such "+
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"as the content hash and raft indices should be shown for each entry")
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c.flags.StringVar(&c.name, "name", "", "The new policy's name. This flag is required.")
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c.flags.StringVar(&c.description, "description", "", "A description of the policy")
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c.flags.Var((*flags.AppendSliceValue)(&c.datacenters), "valid-datacenter", "Datacenter "+
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"that the policy should be valid within. This flag may be specified multiple times")
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c.flags.StringVar(&c.rules, "rules", "", "The policy rules. May be prefixed with '@' "+
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"to indicate that the value is a file path to load the rules from. '-' may also be "+
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"given to indicate that the rules are available on stdin")
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c.flags.StringVar(&c.fromToken, "from-token", "", "The legacy token to retrieve the rules "+
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"for when creating this policy. When this is specified no other rules should be given. "+
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"Similar to the -rules option the token to use can be loaded from stdin or from a file")
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c.flags.BoolVar(&c.tokenIsSecret, "token-secret", false, "Indicates the token provided with "+
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"-from-token is a SecretID and not an AccessorID")
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c.http = &flags.HTTPFlags{}
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flags.Merge(c.flags, c.http.ClientFlags())
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flags.Merge(c.flags, c.http.ServerFlags())
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flags.Merge(c.flags, c.http.NamespaceFlags())
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c.help = flags.Usage(help, c.flags)
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}
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func (c *cmd) getRules(client *api.Client) (string, error) {
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if c.fromToken != "" && c.rules != "" {
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return "", fmt.Errorf("Cannot specify both -rules and -from-token")
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}
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if c.fromToken != "" {
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tokenID, err := helpers.LoadDataSource(c.fromToken, c.testStdin)
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if err != nil {
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return "", fmt.Errorf("Invalid -from-token value: %v", err)
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}
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rules, err := aclhelpers.GetRulesFromLegacyToken(client, tokenID, c.tokenIsSecret)
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if err != nil {
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return "", err
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}
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translated, err := acl.TranslateLegacyRules([]byte(rules))
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return string(translated), err
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}
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return helpers.LoadDataSource(c.rules, c.testStdin)
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}
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func (c *cmd) Run(args []string) int {
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if err := c.flags.Parse(args); err != nil {
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return 1
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}
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if c.name == "" {
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c.UI.Error(fmt.Sprintf("Missing require '-name' flag"))
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c.UI.Error(c.Help())
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return 1
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}
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client, err := c.http.APIClient()
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err))
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return 1
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}
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rules, err := c.getRules(client)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error loading rules: %v", err))
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return 1
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}
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newPolicy := &api.ACLPolicy{
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Name: c.name,
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Description: c.description,
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Datacenters: c.datacenters,
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Rules: rules,
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}
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policy, _, err := client.ACL().PolicyCreate(newPolicy, nil)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Failed to create new policy: %v", err))
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return 1
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}
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aclhelpers.PrintPolicy(policy, c.UI, c.showMeta)
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return 0
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}
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func (c *cmd) Synopsis() string {
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return synopsis
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}
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func (c *cmd) Help() string {
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return flags.Usage(c.help, nil)
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}
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const synopsis = "Create an ACL policy"
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const help = `
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Usage: consul acl policy create -name NAME [options]
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Both the -rules and -from-token option values allow loading the value
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from stdin, a file or the raw value. To use stdin pass '-' as the value.
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To load the value from a file prefix the value with an '@'. Any other
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values will be used directly.
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Create a new policy:
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$ consul acl policy create -name "new-policy" \
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-description "This is an example policy" \
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-datacenter "dc1" \
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-datacenter "dc2" \
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-rules @rules.hcl
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Creation a policy from a legacy token:
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$ consul acl policy create -name "legacy-policy" \
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-description "Token Converted to policy" \
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-from-token "c1e34113-e7ab-4451-b1a6-336ddcc58fc6"
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`
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