// vetServiceRegister makes sure the service registration action is allowed by
// the given token.
func (a *Agent) vetServiceRegister(token string, service *structs.NodeService) error {
// Resolve the token and bail if ACLs aren't enabled.
acl, err := a.resolveToken(token)
if err != nil {
return err
}
if acl == nil {
return nil
}
// Vet the service itself.
if !acl.ServiceWrite(service.Service) {
return permissionDeniedErr
}
// Vet any service that might be getting overwritten.
services := a.state.Services()
if existing, ok := services[service.ID]; ok {
if !acl.ServiceWrite(existing.Service) {
return permissionDeniedErr
}
}
return nil
}
// vetCheckUpdate makes sure that a check update is allowed by the given token.
func (a *Agent) vetCheckUpdate(token string, checkID types.CheckID) error {
// Resolve the token and bail if ACLs aren't enabled.
acl, err := a.resolveToken(token)
if err != nil {
return err
}
if acl == nil {
return nil
}
// Vet any changes based on the existing check's info.
checks := a.state.Checks()
if existing, ok := checks[checkID]; ok {
if len(existing.ServiceName) > 0 {
if !acl.ServiceWrite(existing.ServiceName) {
return permissionDeniedErr
}
} else {
if !acl.NodeWrite(a.config.NodeName) {
return permissionDeniedErr
}
}
} else {
return fmt.Errorf("Unknown check %q", checkID)
}
return nil
}
// vetCheckRegister makes sure the check registration action is allowed by the
// given token.
func (a *Agent) vetCheckRegister(token string, check *structs.HealthCheck) error {
// Resolve the token and bail if ACLs aren't enabled.
acl, err := a.resolveToken(token)
if err != nil {
return err
}
if acl == nil {
return nil
}
// Vet the check itself.
if len(check.ServiceName) > 0 {
if !acl.ServiceWrite(check.ServiceName) {
return permissionDeniedErr
}
} else {
if !acl.NodeWrite(a.config.NodeName) {
return permissionDeniedErr
}
}
// Vet any check that might be getting overwritten.
checks := a.state.Checks()
if existing, ok := checks[check.CheckID]; ok {
if len(existing.ServiceName) > 0 {
if !acl.ServiceWrite(existing.ServiceName) {
return permissionDeniedErr
}
} else {
if !acl.NodeWrite(a.config.NodeName) {
return permissionDeniedErr
}
}
}
return nil
}
// vetServiceUpdate makes sure the service update action is allowed by the given
// token.
func (a *Agent) vetServiceUpdate(token string, serviceID string) error {
// Resolve the token and bail if ACLs aren't enabled.
acl, err := a.resolveToken(token)
if err != nil {
return err
}
if acl == nil {
return nil
}
// Vet any changes based on the existing services's info.
services := a.state.Services()
if existing, ok := services[serviceID]; ok {
if !acl.ServiceWrite(existing.Service) {
return permissionDeniedErr
}
} else {
return fmt.Errorf("Unknown service %q", serviceID)
}
return nil
}