func (s *Route) CheckChanges(a, e, changes *Route) error {
if a == nil {
// TODO: Create validate method?
if e.RouteTable == nil {
return fi.RequiredField("RouteTable")
}
if e.CIDR == nil {
return fi.RequiredField("CIDR")
}
targetCount := 0
if e.InternetGateway != nil {
targetCount++
}
if e.Instance != nil {
targetCount++
}
if targetCount == 0 {
return fmt.Errorf("InternetGateway or Instance is required")
}
if targetCount != 1 {
return fmt.Errorf("Cannot set both InternetGateway and Instance")
}
}
if a != nil {
if changes.RouteTable != nil {
return fi.CannotChangeField("RouteTable")
}
if changes.CIDR != nil {
return fi.CannotChangeField("CIDR")
}
}
return nil
}
func (s *Subnet) CheckChanges(a, e, changes *Subnet) error {
if a == nil {
if e.VPC == nil {
return fi.RequiredField("VPC")
}
if e.CIDR == nil {
// TODO: Auto-assign CIDR?
return fi.RequiredField("CIDR")
}
}
if a != nil {
if changes.VPC != nil {
// TODO: Do we want to destroy & recreate the subnet?
return fi.CannotChangeField("VPC")
}
if changes.AvailabilityZone != nil {
// TODO: Do we want to destroy & recreate the subnet?
return fi.CannotChangeField("AvailabilityZone")
}
if changes.CIDR != nil {
// TODO: Do we want to destroy & recreate the subnet?
return fi.CannotChangeField("CIDR")
}
}
return nil
}
func (_ *IPAddress) CheckChanges(a, e, changes *IPAddress) error {
if a != nil {
if changes.Name != nil {
return fi.CannotChangeField("Name")
}
if changes.Address != nil {
return fi.CannotChangeField("Address")
}
}
return nil
}
func (_ *SecurityGroup) CheckChanges(a, e, changes *SecurityGroup) error {
if a != nil {
if changes.ID != nil {
return fi.CannotChangeField("ID")
}
if changes.Name != nil {
return fi.CannotChangeField("Name")
}
if changes.VPC != nil {
return fi.CannotChangeField("VPC")
}
}
return nil
}
func (s *Keypair) CheckChanges(a, e, changes *Keypair) error {
if a != nil {
if changes.Name != nil {
return fi.CannotChangeField("Name")
}
}
return nil
}
func (_ *PersistentDisk) CheckChanges(a, e, changes *PersistentDisk) error {
if a != nil {
if changes.SizeGB != nil {
return fi.CannotChangeField("SizeGB")
}
if changes.Zone != nil {
return fi.CannotChangeField("Zone")
}
if changes.VolumeType != nil {
return fi.CannotChangeField("VolumeType")
}
} else {
if e.Zone == nil {
return fi.RequiredField("Zone")
}
}
return nil
}
func (s *InternetGateway) CheckChanges(a, e, changes *InternetGateway) error {
if a != nil {
// TODO: I think we can change it; we just detach & attach
if changes.VPC != nil {
return fi.CannotChangeField("VPC")
}
}
return nil
}
func (s *RouteTableAssociation) CheckChanges(a, e, changes *RouteTableAssociation) error {
if a != nil {
if e.RouteTable == nil {
return fi.RequiredField("RouteTable")
}
if e.Subnet == nil {
return fi.RequiredField("Subnet")
}
}
if a != nil {
if changes.RouteTable != nil {
return fi.CannotChangeField("RouteTable")
}
if changes.Subnet != nil {
return fi.CannotChangeField("Subnet")
}
}
return nil
}
func (s *IAMRole) CheckChanges(a, e, changes *IAMRole) error {
if a != nil {
if e.Name == nil {
return fi.RequiredField("Name")
}
} else {
if changes.Name == nil {
return fi.CannotChangeField("Name")
}
}
return nil
}
func (s *RouteTable) CheckChanges(a, e, changes *RouteTable) error {
if a == nil {
if e.VPC == nil {
return fi.RequiredField("VPC")
}
}
if a != nil {
if changes.VPC != nil && changes.VPC.ID != nil {
return fi.CannotChangeField("VPC")
}
}
return nil
}
func (s *DHCPOptions) CheckChanges(a, e, changes *DHCPOptions) error {
if a == nil {
if e.Name == nil {
return fi.RequiredField("Name")
}
}
if a != nil {
if changes.ID != nil {
return fi.CannotChangeField("ID")
}
// TODO: Delete & create new DHCPOptions
// We can't delete the DHCPOptions while it is attached, but we can change the tag (add a timestamp suffix?)
if changes.DomainName != nil {
return fi.CannotChangeField("DomainName")
}
if changes.DomainNameServers != nil {
return fi.CannotChangeField("DomainNameServers")
}
}
return nil
}
func (_ *EBSVolume) CheckChanges(a, e, changes *EBSVolume) error {
if a == nil {
if e.Name == nil {
return fi.RequiredField("Name")
}
}
if a != nil {
if changes.ID != nil {
return fi.CannotChangeField("ID")
}
}
return nil
}
func (s *InstanceVolumeAttachment) CheckChanges(a, e, changes *InstanceVolumeAttachment) error {
if a != nil {
if changes.Device != nil {
// TODO: Support this?
return fi.CannotChangeField("Device")
}
}
if a == nil {
if e.Device == nil {
return fi.RequiredField("Device")
}
}
return nil
}
func (s *VPC) CheckChanges(a, e, changes *VPC) error {
if a == nil {
if e.CIDR == nil {
// TODO: Auto-assign CIDR?
return fi.RequiredField("CIDR")
}
}
if a != nil {
if changes.CIDR != nil {
// TODO: Do we want to destroy & recreate the VPC?
return fi.CannotChangeField("CIDR")
}
}
return nil
}
func (s *VPCDHCPOptionsAssociation) CheckChanges(a, e, changes *VPCDHCPOptionsAssociation) error {
if e.VPC == nil {
return fi.RequiredField("VPC")
}
if e.DHCPOptions == nil {
return fi.RequiredField("DHCPOptions")
}
if a != nil && changes != nil {
if changes.VPC != nil {
// Should be impossible anyway because VPC is our primary key...
return fi.CannotChangeField("VPC")
}
}
return nil
}