//ValidEntity used to make sure AddressAssignment is in a valid state
func (a *AddressAssignment) ValidEntity() error {
v := validation.NewValidationError()
v.Add(validation.NotEmpty("ServiceID", a.ServiceID))
v.Add(validation.NotEmpty("EndpointName", a.EndpointName))
v.Add(validation.IsIP(a.IPAddr))
v.Add(validation.ValidPort(int(a.Port)))
switch a.AssignmentType {
case commons.STATIC:
{
v.Add(validation.NotEmpty("HostID", a.HostID))
}
case commons.VIRTUAL:
{
v.Add(validation.NotEmpty("PoolID", a.PoolID))
}
default:
return fmt.Errorf("assignment type must be static of virtual, found %v", a.AssignmentType)
}
if v.HasError() {
return v
}
return nil
}
//ValidEntity validate that Service has all required fields
func (s *Service) ValidEntity() error {
vErr := validation.NewValidationError()
vErr.Add(validation.NotEmpty("ID", s.ID))
vErr.Add(validation.NotEmpty("Name", s.Name))
vErr.Add(validation.NotEmpty("PoolID", s.PoolID))
vErr.Add(validation.StringIn(s.Launch, commons.AUTO, commons.MANUAL))
vErr.Add(validation.IntIn(s.DesiredState, int(SVCRun), int(SVCStop), int(SVCPause)))
// Validate the min/max/default instances
vErr.Add(s.InstanceLimits.Validate())
if s.Instances != 0 {
if s.InstanceLimits.Max != 0 {
if s.Instances < s.InstanceLimits.Min || s.Instances > s.InstanceLimits.Max {
vErr.Add(fmt.Errorf("Instance count (%d) must be in InstanceLimits range [%d-%d]", s.Instances, s.InstanceLimits.Min, s.InstanceLimits.Max))
}
} else if s.Instances < s.InstanceLimits.Min {
vErr.Add(fmt.Errorf("Instance count (%d) must be greater than InstanceLimits min %d", s.Instances, s.InstanceLimits.Min))
}
}
if vErr.HasError() {
return vErr
}
return nil
}
//ValidEntity validates Host fields
func (h *Host) ValidEntity() error {
glog.V(4).Info("Validating host")
//if err := validation.ValidHostID(entity.ID); err != nil {
// return fmt.Errorf("invalid hostid:'%s' for host Name:'%s' IP:%s", entity.ID, entity.Name, entity.IPAddr)
//}
trimmedID := strings.TrimSpace(h.ID)
violations := validation.NewValidationError()
violations.Add(validation.NotEmpty("Host.ID", h.ID))
violations.Add(validation.ValidHostID(h.ID))
violations.Add(validation.StringsEqual(h.ID, trimmedID, "leading and trailing spaces not allowed for host id"))
violations.Add(validation.ValidPort(h.RPCPort))
violations.Add(validation.NotEmpty("Host.PoolID", h.PoolID))
violations.Add(validation.IsIP(h.IPAddr))
//TODO: what should we be validating here? It doesn't seem to work for
glog.V(4).Infof("Validating IPAddr %v for host %s", h.IPAddr, h.ID)
ipAddr, err := net.ResolveIPAddr("ip4", h.IPAddr)
if err != nil {
glog.Errorf("Could not resolve: %s to an ip4 address: %v", h.IPAddr, err)
violations.Add(err)
} else if ipAddr.IP.IsLoopback() {
glog.Errorf("Can not use %s as host address because it is a loopback address", h.IPAddr)
violations.Add(errors.New("host ip can not be a loopback address"))
}
if len(violations.Errors) > 0 {
return violations
}
return nil
}
func (ss ServiceState) ValidEntity() error {
vErr := validation.NewValidationError()
vErr.Add(validation.NotEmpty("ID", ss.ID))
vErr.Add(validation.NotEmpty("ServiceID", ss.ServiceID))
vErr.Add(validation.NotEmpty("HostID", ss.HostID))
if vErr.HasError() {
return vErr
}
return nil
}
//ValidEntity makes sure all serviceTemplateWrapper have non-empty values
func (st *serviceTemplateWrapper) ValidEntity() error {
v := validation.NewValidationError()
v.Add(validation.NotEmpty("ID", st.ID))
v.Add(validation.NotEmpty("Name", st.Name))
v.Add(validation.NotEmpty("Data", st.Data))
if v.HasError() {
return v
}
return nil
}
//SetItem adds or replaces the VhostEndpoint to the key in registry. Returns the path of the node in the registry
func (vr *VhostRegistry) SetItem(conn client.Connection, key string, node VhostEndpoint) (string, error) {
verr := validation.NewValidationError()
verr.Add(validation.NotEmpty("ServiceID", node.ServiceID))
verr.Add(validation.NotEmpty("EndpointName", node.EndpointName))
if verr.HasError() {
return "", verr
}
nodeID := fmt.Sprintf("%s_%s", node.ServiceID, node.EndpointName)
return vr.setItem(conn, key, nodeID, &node)
}
// validateEndpointNode validates EndpointNode
func validateEndpointNode(node EndpointNode) error {
verr := validation.NewValidationError()
verr.Add(validation.NotEmpty("ServiceID", node.ServiceID))
verr.Add(validation.NotEmpty("TenantID", node.TenantID))
verr.Add(validation.NotEmpty("EndpointID", node.EndpointID))
verr.Add(validation.NotEmpty("ContainerID", node.ContainerID))
verr.Add(validation.NotEmpty("HostID", node.HostID))
if verr.HasError() {
return verr
}
return nil
}
//ValidEntity validates Host fields
func (u *User) ValidEntity() error {
glog.V(4).Info("Validating User")
trimmed := strings.TrimSpace(u.Name)
violations := validation.NewValidationError()
violations.Add(validation.NotEmpty("User.Name", u.Name))
violations.Add(validation.StringsEqual(u.Name, trimmed, "leading and trailing spaces not allowed for user name"))
violations.Add(validation.NotEmpty("User.Password", u.Password))
if len(violations.Errors) > 0 {
return violations
}
return nil
}
//ValidEntity validates Host fields
func (p *ResourcePool) ValidEntity() error {
glog.V(4).Info("Validating ResourcePool")
trimmedID := strings.TrimSpace(p.ID)
violations := validation.NewValidationError()
violations.Add(validation.NotEmpty("Pool.ID", p.ID))
violations.Add(validation.StringsEqual(p.ID, trimmedID, "leading and trailing spaces not allowed for pool id"))
trimmedRealm := strings.TrimSpace(p.Realm)
violations.Add(validation.NotEmpty("Pool.Realm", p.Realm))
violations.Add(validation.StringsEqual(p.Realm, trimmedRealm, "leading and trailing spaces not allowed for pool realm"))
if len(violations.Errors) > 0 {
return violations
}
return nil
}
//ValidEntity check if fields are valid
func (scf SvcConfigFile) ValidEntity() error {
vErr := validation.NewValidationError()
vErr.Add(validation.NotEmpty("ID", scf.ID))
vErr.Add(validation.NotEmpty("ServiceTenantID", scf.ServiceTenantID))
vErr.Add(validation.NotEmpty("ServicePath", scf.ServicePath))
//path must start with /
if !strings.HasPrefix(scf.ServicePath, "/") {
vErr.AddViolation("field ServicePath must start with /")
}
vErr.Add(validation.NotEmpty("Content", scf.ConfFile.Content))
vErr.Add(validation.NotEmpty("FileName", scf.ConfFile.Filename))
if vErr.HasError() {
return vErr
}
return nil
}
//ValidEntity used to make sure AddressResourceConfig is in a valid state
func (arc AddressResourceConfig) ValidEntity() error {
//check if protocol set or port not 0
violations := validation.NewValidationError()
if arc.Protocol != "" || arc.Port > 0 {
//some setting, now lets make sure they are valid
if err := validation.ValidPort(int(arc.Port)); err != nil {
violations.Add(fmt.Errorf("error AddressResourceConfig: %v", err))
}
if err := validation.StringIn(arc.Protocol, commons.TCP, commons.UDP); err != nil {
violations.Add(fmt.Errorf("error AddressResourceConfig: invalid protocol: %v", err))
}
}
if violations.HasError() {
return violations
}
return nil
}
// ValidEntity ensure that a ServiceTemplate has valid values
func (st *ServiceTemplate) ValidEntity() error {
// trimmedID := strings.TrimSpace(st.ID)
violations := validation.NewValidationError()
violations.Add(validation.NotEmpty("ServiceTemplate.ID", st.ID))
// violations.Add(validation.StringsEqual(st.ID, trimmedID, "leading and trailing spaces not allowed for service template id"))
//TODO: check name, description, config files.
//TODO: do servicedefinition names need to be unique?
//TODO: Is there any special validation if more than one top level service definition?
for _, sd := range st.Services {
if err := sd.ValidEntity(); err != nil {
violations.Add(err)
}
}
//keep track of seen vhosts
vhosts := make(map[string]struct{})
//grab the vhost from every endpoing
visit := func(sd *servicedefinition.ServiceDefinition) error {
for _, ep := range sd.Endpoints {
for _, vhost := range ep.VHosts {
if _, found := vhosts[vhost]; found {
return fmt.Errorf("duplicate vhost found: %s; ServiceDefintion %s", vhost, sd)
}
vhosts[vhost] = struct{}{}
}
}
return nil
}
for _, sd := range st.Services {
violations.Add(servicedefinition.Walk(&sd, visit))
}
if len(violations.Errors) > 0 {
return violations
}
return nil
}
// Mount attempts to mount the nfsPath to the localPath
func Mount(driver Driver, remotePath, localPath string) error {
// check if the driver is installed
if err := driver.Installed(); err != nil {
return err
}
// validate that the remote path
if ok := func(remotePath string) bool {
parts := strings.Split(remotePath, ":")
if len(parts) != 2 {
return false
}
ip := net.ParseIP(parts[0])
if ip == nil {
return false
}
dest := filepath.Clean(parts[1])
return dest != "/" && filepath.IsAbs(dest)
}(remotePath); !ok {
return ErrMalformedNFSMountpoint
}
var mountInfo proc.NFSMountInfo
mountError := driver.Info(localPath, &mountInfo)
if mountError == proc.ErrMountPointNotFound {
// the mountpoint is not found so try to mount
glog.Infof("Creating new mount for %s -> %s", remotePath, localPath)
if err := driver.Mount(remotePath, localPath, time.Second*30); err != nil {
glog.Errorf("Error while creating mount point for %s -> %s: %s", remotePath, localPath, err)
return err
}
// get the mount point
mountError = driver.Info(localPath, &mountInfo)
}
if mountError != nil {
// we should have a mount point by now or bust
glog.Errorf("Could not get volume info for %s (mounting from %s): %s", localPath, remotePath, mountError)
return mountError
}
// validate mount info
glog.Infof("Mount Info: %+v", mountInfo)
verr := validation.NewValidationError()
verr.Add(validation.StringsEqual(remotePath, mountInfo.RemotePath, ""))
verr.Add(validation.StringsEqual("nfs4", mountInfo.FSType, fmt.Sprintf("%s not mounted nfs4, %s instead", mountInfo.LocalPath, mountInfo.FSType)))
verr.Add(func(fsid string) error {
if fsiduint, err := strconv.ParseUint(fsid, 16, 64); err != nil || fsiduint == 0 {
return fmt.Errorf("invalid fsid: %s", fsid)
}
return nil
}(mountInfo.FSID))
if verr.HasError() {
// the mountpoint is stale or wrong, so unmount
glog.Warningf("Stale mount point at %s (mounting %s)", localPath, remotePath)
if err := driver.Unmount(localPath); err != nil {
glog.Errorf("Could not unmount %s: %s", localPath, err)
}
return verr
}
return nil
}