package policyread import ( "flag" "fmt" "strings" "github.com/hashicorp/consul/command/acl" "github.com/hashicorp/consul/command/acl/policy" "github.com/hashicorp/consul/command/flags" "github.com/mitchellh/cli" ) func New(ui cli.Ui) *cmd { c := &cmd{UI: ui} c.init() return c } type cmd struct { UI cli.Ui flags *flag.FlagSet http *flags.HTTPFlags help string policyID string policyName string showMeta bool format string } func (c *cmd) init() { c.flags = flag.NewFlagSet("", flag.ContinueOnError) c.flags.BoolVar(&c.showMeta, "meta", false, "Indicates that policy metadata such "+ "as the content hash and raft indices should be shown for each entry") c.flags.StringVar(&c.policyID, "id", "", "The ID of the policy to read. "+ "It may be specified as a unique ID prefix but will error if the prefix "+ "matches multiple policy IDs") c.flags.StringVar(&c.policyName, "name", "", "The name of the policy to read.") c.flags.StringVar( &c.format, "format", policy.PrettyFormat, fmt.Sprintf("Output format {%s}", strings.Join(policy.GetSupportedFormats(), "|")), ) c.http = &flags.HTTPFlags{} flags.Merge(c.flags, c.http.ClientFlags()) flags.Merge(c.flags, c.http.ServerFlags()) flags.Merge(c.flags, c.http.MultiTenancyFlags()) c.help = flags.Usage(help, c.flags) } func (c *cmd) Run(args []string) int { if err := c.flags.Parse(args); err != nil { return 1 } if c.policyID == "" && c.policyName == "" { c.UI.Error(fmt.Sprintf("Must specify either the -id or -name parameters")) return 1 } client, err := c.http.APIClient() if err != nil { c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err)) return 1 } var policyID string if c.policyID != "" { policyID, err = acl.GetPolicyIDFromPartial(client, c.policyID) } else { policyID, err = acl.GetPolicyIDByName(client, c.policyName) } if err != nil { c.UI.Error(fmt.Sprintf("Error determining policy ID: %v", err)) return 1 } p, _, err := client.ACL().PolicyRead(policyID, nil) if err != nil { c.UI.Error(fmt.Sprintf("Error reading policy %q: %v", policyID, err)) return 1 } formatter, err := policy.NewFormatter(c.format, c.showMeta) if err != nil { c.UI.Error(err.Error()) return 1 } out, err := formatter.FormatPolicy(p) if err != nil { c.UI.Error(err.Error()) return 1 } if out != "" { c.UI.Info(out) } return 0 } func (c *cmd) Synopsis() string { return synopsis } func (c *cmd) Help() string { return flags.Usage(c.help, nil) } const ( synopsis = "Read an ACL policy" help = ` Usage: consul acl policy read [options] POLICY This command will retrieve and print out the details of a single policy. Read: $ consul acl policy read -id fdabbcb5-9de5-4b1a-961f-77214ae88cba Read by name: $ consul acl policy read -name my-policy ` )