package roleupdate import ( "flag" "fmt" "strings" "github.com/hashicorp/consul/api" "github.com/hashicorp/consul/command/acl" "github.com/hashicorp/consul/command/acl/role" "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 roleID string name string description string policyIDs []string policyNames []string serviceIdents []string nodeIdents []string noMerge bool showMeta bool format string } func (c *cmd) init() { c.flags = flag.NewFlagSet("", flag.ContinueOnError) c.flags.BoolVar(&c.showMeta, "meta", false, "Indicates that role metadata such "+ "as the content hash and raft indices should be shown for each entry") c.flags.StringVar(&c.roleID, "id", "", "The ID of the role to update. "+ "It may be specified as a unique ID prefix but will error if the prefix "+ "matches multiple role IDs") c.flags.StringVar(&c.name, "name", "", "The role name.") c.flags.StringVar(&c.description, "description", "", "A description of the role") c.flags.Var((*flags.AppendSliceValue)(&c.policyIDs), "policy-id", "ID of a "+ "policy to use for this role. May be specified multiple times") c.flags.Var((*flags.AppendSliceValue)(&c.policyNames), "policy-name", "Name of a "+ "policy to use for this role. May be specified multiple times") c.flags.Var((*flags.AppendSliceValue)(&c.serviceIdents), "service-identity", "Name of a "+ "service identity to use for this role. May be specified multiple times. Format is "+ "the SERVICENAME or SERVICENAME:DATACENTER1,DATACENTER2,...") c.flags.Var((*flags.AppendSliceValue)(&c.nodeIdents), "node-identity", "Name of a "+ "node identity to use for this role. May be specified multiple times. Format is "+ "NODENAME:DATACENTER") c.flags.BoolVar(&c.noMerge, "no-merge", false, "Do not merge the current role "+ "information with what is provided to the command. Instead overwrite all fields "+ "with the exception of the role ID which is immutable.") c.flags.StringVar( &c.format, "format", role.PrettyFormat, fmt.Sprintf("Output format {%s}", strings.Join(role.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.roleID == "" { c.UI.Error(fmt.Sprintf("Cannot update a role without specifying the -id parameter")) return 1 } client, err := c.http.APIClient() if err != nil { c.UI.Error(fmt.Sprintf("Error connecting to Consul agent: %s", err)) return 1 } roleID, err := acl.GetRoleIDFromPartial(client, c.roleID) if err != nil { c.UI.Error(fmt.Sprintf("Error determining role ID: %v", err)) return 1 } parsedServiceIdents, err := acl.ExtractServiceIdentities(c.serviceIdents) if err != nil { c.UI.Error(err.Error()) return 1 } parsedNodeIdents, err := acl.ExtractNodeIdentities(c.nodeIdents) if err != nil { c.UI.Error(err.Error()) return 1 } // Read the current role in both cases so we can fail better if not found. currentRole, _, err := client.ACL().RoleRead(roleID, nil) if err != nil { c.UI.Error(fmt.Sprintf("Error when retrieving current role: %v", err)) return 1 } else if currentRole == nil { c.UI.Error(fmt.Sprintf("Role not found with ID %q", roleID)) return 1 } var r *api.ACLRole if c.noMerge { r = &api.ACLRole{ ID: c.roleID, Name: c.name, Description: c.description, ServiceIdentities: parsedServiceIdents, NodeIdentities: parsedNodeIdents, } for _, policyName := range c.policyNames { // We could resolve names to IDs here but there isn't any reason // why its would be better than allowing the agent to do it. r.Policies = append(r.Policies, &api.ACLRolePolicyLink{Name: policyName}) } for _, policyID := range c.policyIDs { policyID, err := acl.GetPolicyIDFromPartial(client, policyID) if err != nil { c.UI.Error(fmt.Sprintf("Error resolving policy ID %s: %v", policyID, err)) return 1 } r.Policies = append(r.Policies, &api.ACLRolePolicyLink{ID: policyID}) } } else { r = currentRole if c.name != "" { r.Name = c.name } if c.description != "" { r.Description = c.description } for _, policyName := range c.policyNames { found := false for _, link := range r.Policies { if link.Name == policyName { found = true break } } if !found { // We could resolve names to IDs here but there isn't any // reason why its would be better than allowing the agent to do // it. r.Policies = append(r.Policies, &api.ACLRolePolicyLink{Name: policyName}) } } for _, policyID := range c.policyIDs { policyID, err := acl.GetPolicyIDFromPartial(client, policyID) if err != nil { c.UI.Error(fmt.Sprintf("Error resolving policy ID %s: %v", policyID, err)) return 1 } found := false for _, link := range r.Policies { if link.ID == policyID { found = true break } } if !found { r.Policies = append(r.Policies, &api.ACLRolePolicyLink{ID: policyID}) } } for _, svcid := range parsedServiceIdents { found := -1 for i, link := range r.ServiceIdentities { if link.ServiceName == svcid.ServiceName { found = i break } } if found != -1 { r.ServiceIdentities[found] = svcid } else { r.ServiceIdentities = append(r.ServiceIdentities, svcid) } } for _, nodeid := range parsedNodeIdents { found := false for _, link := range r.NodeIdentities { if link.NodeName == nodeid.NodeName && link.Datacenter != nodeid.Datacenter { found = true break } } if !found { r.NodeIdentities = append(r.NodeIdentities, nodeid) } } } r, _, err = client.ACL().RoleUpdate(r, nil) if err != nil { c.UI.Error(fmt.Sprintf("Error updating role %q: %v", roleID, err)) return 1 } formatter, err := role.NewFormatter(c.format, c.showMeta) if err != nil { c.UI.Error(err.Error()) return 1 } out, err := formatter.FormatRole(r) 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 = "Update an ACL role" help = ` Usage: consul acl role update [options] Updates a role. By default it will merge the role information with its current state so that you do not have to provide all parameters. This behavior can be disabled by passing -no-merge. Rename the role: $ consul acl role update -id abcd -name "better-name" Update all editable fields of the role: $ consul acl role update -id abcd \ -name "better-name" \ -description "replication" \ -policy-name "token-replication" \ -service-identity "web" ` )