191 lines
6.6 KiB
Go
191 lines
6.6 KiB
Go
package bridge
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import (
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"errors"
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"fmt"
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"net"
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)
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var (
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// ErrConfigExists error is returned when driver already has a config applied.
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ErrConfigExists = errors.New("configuration already exists, bridge configuration can be applied only once")
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// ErrInvalidDriverConfig error is returned when Bridge Driver is passed an invalid config
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ErrInvalidDriverConfig = errors.New("Invalid configuration passed to Bridge Driver")
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// ErrInvalidNetworkConfig error is returned when a network is created on a driver without valid config.
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ErrInvalidNetworkConfig = errors.New("trying to create a network on a driver without valid config")
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// ErrInvalidContainerConfig error is returned when a endpoint create is attempted with an invalid configuration.
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ErrInvalidContainerConfig = errors.New("Error in joining a container due to invalid configuration")
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// ErrInvalidEndpointConfig error is returned when a endpoint create is attempted with an invalid endpoint configuration.
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ErrInvalidEndpointConfig = errors.New("trying to create an endpoint with an invalid endpoint configuration")
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// ErrNetworkExists error is returned when a network already exists and another network is created.
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ErrNetworkExists = errors.New("network already exists, bridge can only have one network")
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// ErrIfaceName error is returned when a new name could not be generated.
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ErrIfaceName = errors.New("failed to find name for new interface")
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// ErrNoIPAddr error is returned when bridge has no IPv4 address configured.
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ErrNoIPAddr = errors.New("bridge has no IPv4 address configured")
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// ErrInvalidGateway is returned when the user provided default gateway (v4/v6) is not not valid.
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ErrInvalidGateway = errors.New("default gateway ip must be part of the network")
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// ErrInvalidContainerSubnet is returned when the container subnet (FixedCIDR) is not valid.
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ErrInvalidContainerSubnet = errors.New("container subnet must be a subset of bridge network")
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// ErrInvalidMtu is returned when the user provided MTU is not valid.
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ErrInvalidMtu = errors.New("invalid MTU number")
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)
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// ErrInvalidPort is returned when the container or host port specified in the port binding is not valid.
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type ErrInvalidPort string
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func (ip ErrInvalidPort) Error() string {
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return fmt.Sprintf("invalid transport port: %s", string(ip))
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}
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// ErrUnsupportedAddressType is returned when the specified address type is not supported.
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type ErrUnsupportedAddressType string
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func (uat ErrUnsupportedAddressType) Error() string {
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return fmt.Sprintf("unsupported address type: %s", string(uat))
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}
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// ErrInvalidAddressBinding is returned when the host address specfied in the port binding is not valid.
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type ErrInvalidAddressBinding string
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func (iab ErrInvalidAddressBinding) Error() string {
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return fmt.Sprintf("invalid host address in port binding: %s", string(iab))
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}
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// ActiveEndpointsError is returned when there are
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// still active endpoints in the network being deleted.
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type ActiveEndpointsError string
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func (aee ActiveEndpointsError) Error() string {
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return fmt.Sprintf("network %s has active endpoint", string(aee))
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}
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// InvalidNetworkIDError is returned when the passed
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// network id for an existing network is not a known id.
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type InvalidNetworkIDError string
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func (inie InvalidNetworkIDError) Error() string {
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return fmt.Sprintf("invalid network id %s", string(inie))
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}
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// InvalidEndpointIDError is returned when the passed
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// endpoint id is not valid.
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type InvalidEndpointIDError string
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func (ieie InvalidEndpointIDError) Error() string {
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return fmt.Sprintf("invalid endpoint id: %s", string(ieie))
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}
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// InvalidSandboxIDError is returned when the passed
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// sandbox id valid.
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type InvalidSandboxIDError string
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func (isie InvalidSandboxIDError) Error() string {
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return fmt.Sprintf("invalid sanbox id: %s", string(isie))
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}
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// EndpointNotFoundError is returned when the no endpoint
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// with the passed endpoint id is found.
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type EndpointNotFoundError string
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func (enfe EndpointNotFoundError) Error() string {
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return fmt.Sprintf("endpoint not found: %s", string(enfe))
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}
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// NonDefaultBridgeExistError is returned when a non-default
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// bridge config is passed but it does not already exist.
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type NonDefaultBridgeExistError string
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func (ndbee NonDefaultBridgeExistError) Error() string {
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return fmt.Sprintf("bridge device with non default name %s must be created manually", string(ndbee))
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}
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// FixedCIDRv4Error is returned when fixed-cidrv4 configuration
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// failed.
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type FixedCIDRv4Error struct {
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net *net.IPNet
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subnet *net.IPNet
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err error
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}
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func (fcv4 *FixedCIDRv4Error) Error() string {
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return fmt.Sprintf("setup FixedCIDRv4 failed for subnet %s in %s: %v", fcv4.subnet, fcv4.net, fcv4.err)
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}
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// FixedCIDRv6Error is returned when fixed-cidrv6 configuration
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// failed.
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type FixedCIDRv6Error struct {
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net *net.IPNet
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err error
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}
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func (fcv6 *FixedCIDRv6Error) Error() string {
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return fmt.Sprintf("setup FixedCIDRv6 failed for subnet %s in %s: %v", fcv6.net, fcv6.net, fcv6.err)
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}
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type ipForwardCfgError bridgeInterface
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func (i *ipForwardCfgError) Error() string {
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return fmt.Sprintf("unexpected request to enable IP Forwarding for: %v", *i)
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}
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type ipTableCfgError string
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func (name ipTableCfgError) Error() string {
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return fmt.Sprintf("unexpected request to set IP tables for interface: %s", string(name))
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}
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// IPv4AddrRangeError is returned when a valid IP address range couldn't be found.
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type IPv4AddrRangeError string
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func (name IPv4AddrRangeError) Error() string {
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return fmt.Sprintf("can't find an address range for interface %q", string(name))
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}
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// IPv4AddrAddError is returned when IPv4 address could not be added to the bridge.
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type IPv4AddrAddError struct {
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ip *net.IPNet
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err error
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}
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func (ipv4 *IPv4AddrAddError) Error() string {
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return fmt.Sprintf("failed to add IPv4 address %s to bridge: %v", ipv4.ip, ipv4.err)
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}
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// IPv6AddrAddError is returned when IPv6 address could not be added to the bridge.
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type IPv6AddrAddError struct {
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ip *net.IPNet
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err error
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}
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func (ipv6 *IPv6AddrAddError) Error() string {
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return fmt.Sprintf("failed to add IPv6 address %s to bridge: %v", ipv6.ip, ipv6.err)
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}
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// IPv4AddrNoMatchError is returned when the bridge's IPv4 address does not match configured.
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type IPv4AddrNoMatchError struct {
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ip net.IP
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cfgIP net.IP
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}
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func (ipv4 *IPv4AddrNoMatchError) Error() string {
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return fmt.Sprintf("bridge IPv4 (%s) does not match requested configuration %s", ipv4.ip, ipv4.cfgIP)
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}
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// IPv6AddrNoMatchError is returned when the bridge's IPv6 address does not match configured.
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type IPv6AddrNoMatchError net.IPNet
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func (ipv6 *IPv6AddrNoMatchError) Error() string {
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return fmt.Sprintf("bridge IPv6 addresses do not match the expected bridge configuration %s", ipv6)
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}
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