mirror of https://github.com/hashicorp/consul
135 lines
3.8 KiB
Go
135 lines
3.8 KiB
Go
package rolecreate
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import (
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"flag"
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"fmt"
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"github.com/hashicorp/consul/api"
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"github.com/hashicorp/consul/command/acl"
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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/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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policyIDs []string
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policyNames []string
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serviceIdents []string
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showMeta bool
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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 role 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 role's name. This flag is required.")
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c.flags.StringVar(&c.description, "description", "", "A description of the role")
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c.flags.Var((*flags.AppendSliceValue)(&c.policyIDs), "policy-id", "ID of a "+
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"policy to use for this role. May be specified multiple times")
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c.flags.Var((*flags.AppendSliceValue)(&c.policyNames), "policy-name", "Name of a "+
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"policy to use for this role. May be specified multiple times")
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c.flags.Var((*flags.AppendSliceValue)(&c.serviceIdents), "service-identity", "Name of a "+
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"service identity to use for this role. May be specified multiple times. Format is "+
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"the SERVICENAME or SERVICENAME:DATACENTER1,DATACENTER2,...")
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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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c.help = flags.Usage(help, c.flags)
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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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if len(c.policyNames) == 0 && len(c.policyIDs) == 0 && len(c.serviceIdents) == 0 {
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c.UI.Error(fmt.Sprintf("Cannot create a role without specifying -policy-name, -policy-id, or -service-identity at least once"))
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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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newRole := &api.ACLRole{
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Name: c.name,
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Description: c.description,
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}
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for _, policyName := range c.policyNames {
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// We could resolve names to IDs here but there isn't any reason why its would be better
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// than allowing the agent to do it.
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newRole.Policies = append(newRole.Policies, &api.ACLRolePolicyLink{Name: policyName})
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}
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for _, policyID := range c.policyIDs {
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policyID, err := acl.GetPolicyIDFromPartial(client, policyID)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Error resolving policy ID %s: %v", policyID, err))
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return 1
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}
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newRole.Policies = append(newRole.Policies, &api.ACLRolePolicyLink{ID: policyID})
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}
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parsedServiceIdents, err := acl.ExtractServiceIdentities(c.serviceIdents)
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if err != nil {
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c.UI.Error(err.Error())
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return 1
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}
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newRole.ServiceIdentities = parsedServiceIdents
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role, _, err := client.ACL().RoleCreate(newRole, nil)
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if err != nil {
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c.UI.Error(fmt.Sprintf("Failed to create new role: %v", err))
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return 1
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}
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aclhelpers.PrintRole(role, 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 Role"
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const help = `
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Usage: consul acl role create -name NAME [options]
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Create a new role:
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$ consul acl role create -name "new-role" \
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-description "This is an example role" \
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-policy-id b52fc3de-5 \
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-policy-name "acl-replication" \
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-service-identity "web" \
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-service-identity "db:east,west"
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`
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