package tokenupdate import ( "flag" "fmt" "strings" "github.com/hashicorp/consul/api" "github.com/hashicorp/consul/command/acl" "github.com/hashicorp/consul/command/acl/token" "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 tokenID string policyIDs []string policyNames []string roleIDs []string roleNames []string serviceIdents []string description string mergePolicies bool mergeRoles bool mergeServiceIdents bool showMeta bool upgradeLegacy bool format string } func (c *cmd) init() { c.flags = flag.NewFlagSet("", flag.ContinueOnError) c.flags.BoolVar(&c.showMeta, "meta", false, "Indicates that token metadata such "+ "as the content hash and raft indices should be shown for each entry") c.flags.BoolVar(&c.mergePolicies, "merge-policies", false, "Merge the new policies "+ "with the existing policies") c.flags.BoolVar(&c.mergeRoles, "merge-roles", false, "Merge the new roles "+ "with the existing roles") c.flags.BoolVar(&c.mergeServiceIdents, "merge-service-identities", false, "Merge the new service identities "+ "with the existing service identities") c.flags.StringVar(&c.tokenID, "id", "", "The Accessor ID of the token to update. "+ "It may be specified as a unique ID prefix but will error if the prefix "+ "matches multiple token Accessor IDs") c.flags.StringVar(&c.description, "description", "", "A description of the token") c.flags.Var((*flags.AppendSliceValue)(&c.policyIDs), "policy-id", "ID of a "+ "policy to use for this token. May be specified multiple times") c.flags.Var((*flags.AppendSliceValue)(&c.policyNames), "policy-name", "Name of a "+ "policy to use for this token. May be specified multiple times") c.flags.Var((*flags.AppendSliceValue)(&c.roleIDs), "role-id", "ID of a "+ "role to use for this token. May be specified multiple times") c.flags.Var((*flags.AppendSliceValue)(&c.roleNames), "role-name", "Name of a "+ "role to use for this token. May be specified multiple times") c.flags.Var((*flags.AppendSliceValue)(&c.serviceIdents), "service-identity", "Name of a "+ "service identity to use for this token. May be specified multiple times. Format is "+ "the SERVICENAME or SERVICENAME:DATACENTER1,DATACENTER2,...") c.flags.BoolVar(&c.upgradeLegacy, "upgrade-legacy", false, "Add new polices "+ "to a legacy token replacing all existing rules. This will cause the legacy "+ "token to behave exactly like a new token but keep the same Secret.\n"+ "WARNING: you must ensure that the new policy or policies specified grant "+ "equivalent or appropriate access for the existing clients using this token.") c.flags.StringVar( &c.format, "format", token.PrettyFormat, fmt.Sprintf("Output format {%s}", strings.Join(token.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.NamespaceFlags()) 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.tokenID == "" { c.UI.Error(fmt.Sprintf("Cannot update a token 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 } tokenID, err := acl.GetTokenIDFromPartial(client, c.tokenID) if err != nil { c.UI.Error(fmt.Sprintf("Error determining token ID: %v", err)) return 1 } t, _, err := client.ACL().TokenRead(tokenID, nil) if err != nil { c.UI.Error(fmt.Sprintf("Error when retrieving current token: %v", err)) return 1 } if c.upgradeLegacy { if t.Rules == "" { // This is just for convenience it should actually be harmless to allow it // to go through anyway. c.UI.Error(fmt.Sprintf("Can't use -upgrade-legacy on a non-legacy token")) return 1 } // Reset the rules to nothing forcing this to be updated as a non-legacy // token but with same secret. t.Rules = "" } if c.description != "" { // Only update description if the user specified a new one. This does make // it impossible to completely clear descriptions from CLI but that seems // better than silently deleting descriptions when using command without // manually giving the new description. If it's a real issue we can always // add another explicit `-remove-description` flag but it feels like an edge // case that's not going to be critical to anyone. t.Description = c.description } parsedServiceIdents, err := acl.ExtractServiceIdentities(c.serviceIdents) if err != nil { c.UI.Error(err.Error()) return 1 } if c.mergePolicies { for _, policyName := range c.policyNames { found := false for _, link := range t.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. t.Policies = append(t.Policies, &api.ACLTokenPolicyLink{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 t.Policies { if link.ID == policyID { found = true break } } if !found { t.Policies = append(t.Policies, &api.ACLTokenPolicyLink{ID: policyID}) } } } else { t.Policies = nil 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. t.Policies = append(t.Policies, &api.ACLTokenPolicyLink{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 } t.Policies = append(t.Policies, &api.ACLTokenPolicyLink{ID: policyID}) } } if c.mergeRoles { for _, roleName := range c.roleNames { found := false for _, link := range t.Roles { if link.Name == roleName { 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. t.Roles = append(t.Roles, &api.ACLTokenRoleLink{Name: roleName}) } } for _, roleID := range c.roleIDs { roleID, err := acl.GetRoleIDFromPartial(client, roleID) if err != nil { c.UI.Error(fmt.Sprintf("Error resolving role ID %s: %v", roleID, err)) return 1 } found := false for _, link := range t.Roles { if link.ID == roleID { found = true break } } if !found { t.Roles = append(t.Roles, &api.ACLTokenRoleLink{Name: roleID}) } } } else { t.Roles = nil for _, roleName := range c.roleNames { // 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. t.Roles = append(t.Roles, &api.ACLTokenRoleLink{Name: roleName}) } for _, roleID := range c.roleIDs { roleID, err := acl.GetRoleIDFromPartial(client, roleID) if err != nil { c.UI.Error(fmt.Sprintf("Error resolving role ID %s: %v", roleID, err)) return 1 } t.Roles = append(t.Roles, &api.ACLTokenRoleLink{ID: roleID}) } } if c.mergeServiceIdents { for _, svcid := range parsedServiceIdents { found := -1 for i, link := range t.ServiceIdentities { if link.ServiceName == svcid.ServiceName { found = i break } } if found != -1 { t.ServiceIdentities[found] = svcid } else { t.ServiceIdentities = append(t.ServiceIdentities, svcid) } } } else { t.ServiceIdentities = parsedServiceIdents } t, _, err = client.ACL().TokenUpdate(t, nil) if err != nil { c.UI.Error(fmt.Sprintf("Failed to update token %s: %v", tokenID, err)) return 1 } formatter, err := token.NewFormatter(c.format, c.showMeta) if err != nil { c.UI.Error(err.Error()) return 1 } out, err := formatter.FormatToken(t) 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 token" const help = ` Usage: consul acl token update [options] This command will update a token. Some parts such as marking the token local cannot be changed. Update a token description and take the policies from the existing token: $ consul acl token update -id abcd -description "replication" -merge-policies Update all editable fields of the token: $ consul acl token update -id abcd \ -description "replication" \ -policy-name "token-replication" \ -role-name "db-updater" `