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Move validation functions

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Signed-off-by: John Howard <jhoward@microsoft.com>
This commit is contained in:
John Howard 2015-10-31 18:49:14 -07:00
parent 1ba280a8db
commit ee6c3580c9
4 changed files with 103 additions and 112 deletions
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68
runconfig/hostconfig_unix.go
View file

@ -3,6 +3,8 @@
package runconfig
import (
"fmt"
"runtime"
"strings"
)
@ -103,3 +105,69 @@ func MergeConfigs(config *Config, hostConfig *HostConfig) *ContainerConfigWrappe
"", nil,
}
}
// ValidateNetMode ensures that the various combinations of requested
// network settings are valid.
func ValidateNetMode(c *Config, hc *HostConfig) error {
// We may not be passed a host config, such as in the case of docker commit
if hc == nil {
return nil
}
parts := strings.Split(string(hc.NetworkMode), ":")
if parts[0] == "container" {
if len(parts) < 2 || parts[1] == "" {
return fmt.Errorf("--net: invalid net mode: invalid container format container:<name|id>")
}
}
if (hc.NetworkMode.IsHost() || hc.NetworkMode.IsContainer()) && c.Hostname != "" {
return ErrConflictNetworkHostname
}
if hc.NetworkMode.IsHost() && len(hc.Links) > 0 {
return ErrConflictHostNetworkAndLinks
}
if hc.NetworkMode.IsContainer() && len(hc.Links) > 0 {
return ErrConflictContainerNetworkAndLinks
}
if hc.NetworkMode.IsUserDefined() && len(hc.Links) > 0 {
return ErrConflictUserDefinedNetworkAndLinks
}
if (hc.NetworkMode.IsHost() || hc.NetworkMode.IsContainer()) && len(hc.DNS) > 0 {
return ErrConflictNetworkAndDNS
}
if (hc.NetworkMode.IsContainer() || hc.NetworkMode.IsHost()) && len(hc.ExtraHosts) > 0 {
return ErrConflictNetworkHosts
}
if (hc.NetworkMode.IsContainer() || hc.NetworkMode.IsHost()) && c.MacAddress != "" {
return ErrConflictContainerNetworkAndMac
}
if hc.NetworkMode.IsContainer() && (len(hc.PortBindings) > 0 || hc.PublishAllPorts == true) {
return ErrConflictNetworkPublishPorts
}
if hc.NetworkMode.IsContainer() && len(c.ExposedPorts) > 0 {
return ErrConflictNetworkExposePorts
}
return nil
}
// ValidateIsolationLevel performs platform specific validation of the
// isolation level in the hostconfig structure. Linux only supports "default"
// which is LXC container isolation
func ValidateIsolationLevel(hc *HostConfig) error {
// We may not be passed a host config, such as in the case of docker commit
if hc == nil {
return nil
}
if !hc.Isolation.IsValid() {
return fmt.Errorf("invalid --isolation: %q - %s only supports 'default'", hc.Isolation, runtime.GOOS)
}
return nil
}

36
runconfig/hostconfig_windows.go
View file

@ -1,6 +1,9 @@
package runconfig
import "strings"
import (
"fmt"
"strings"
)
// IsDefault indicates whether container uses the default network stack.
func (n NetworkMode) IsDefault() bool {
@ -45,3 +48,34 @@ func MergeConfigs(config *Config, hostConfig *HostConfig) *ContainerConfigWrappe
func IsPreDefinedNetwork(network string) bool {
return false
}
// ValidateNetMode ensures that the various combinations of requested
// network settings are valid.
func ValidateNetMode(c *Config, hc *HostConfig) error {
// We may not be passed a host config, such as in the case of docker commit
if hc == nil {
return nil
}
parts := strings.Split(string(hc.NetworkMode), ":")
switch mode := parts[0]; mode {
case "default", "none":
default:
return fmt.Errorf("invalid --net: %s", hc.NetworkMode)
}
return nil
}
// ValidateIsolationLevel performs platform specific validation of the
// isolation level in the hostconfig structure. Windows supports 'default' (or
// blank), and 'hyperv'. These refer to Windows Server Containers and
// Hyper-V Containers respectively.
func ValidateIsolationLevel(hc *HostConfig) error {
// We may not be passed a host config, such as in the case of docker commit
if hc == nil {
return nil
}
if !hc.Isolation.IsValid() {
return fmt.Errorf("invalid --isolation: %q. Windows supports 'default' (Windows Server Container) or 'hyperv' (Hyper-V Container)", hc.Isolation)
}
return nil
}

74
runconfig/parse_unix.go
View file

@ -1,74 +0,0 @@
// +build !windows
package runconfig
import (
"fmt"
"runtime"
"strings"
)
// ValidateNetMode ensures that the various combinations of requested
// network settings are valid.
func ValidateNetMode(c *Config, hc *HostConfig) error {
// We may not be passed a host config, such as in the case of docker commit
if hc == nil {
return nil
}
parts := strings.Split(string(hc.NetworkMode), ":")
if parts[0] == "container" {
if len(parts) < 2 || parts[1] == "" {
return fmt.Errorf("--net: invalid net mode: invalid container format container:<name|id>")
}
}
if (hc.NetworkMode.IsHost() || hc.NetworkMode.IsContainer()) && c.Hostname != "" {
return ErrConflictNetworkHostname
}
if hc.NetworkMode.IsHost() && len(hc.Links) > 0 {
return ErrConflictHostNetworkAndLinks
}
if hc.NetworkMode.IsContainer() && len(hc.Links) > 0 {
return ErrConflictContainerNetworkAndLinks
}
if hc.NetworkMode.IsUserDefined() && len(hc.Links) > 0 {
return ErrConflictUserDefinedNetworkAndLinks
}
if (hc.NetworkMode.IsHost() || hc.NetworkMode.IsContainer()) && len(hc.DNS) > 0 {
return ErrConflictNetworkAndDNS
}
if (hc.NetworkMode.IsContainer() || hc.NetworkMode.IsHost()) && len(hc.ExtraHosts) > 0 {
return ErrConflictNetworkHosts
}
if (hc.NetworkMode.IsContainer() || hc.NetworkMode.IsHost()) && c.MacAddress != "" {
return ErrConflictContainerNetworkAndMac
}
if hc.NetworkMode.IsContainer() && (len(hc.PortBindings) > 0 || hc.PublishAllPorts == true) {
return ErrConflictNetworkPublishPorts
}
if hc.NetworkMode.IsContainer() && len(c.ExposedPorts) > 0 {
return ErrConflictNetworkExposePorts
}
return nil
}
// ValidateIsolationLevel performs platform specific validation of the
// isolation level in the hostconfig structure. Linux only supports "default".
func ValidateIsolationLevel(hc *HostConfig) error {
// We may not be passed a host config, such as in the case of docker commit
if hc == nil {
return nil
}
if !hc.Isolation.IsValid() {
return fmt.Errorf("invalid --isolation: %q - %s only supports 'default'", hc.Isolation, runtime.GOOS)
}
return nil
}

37
runconfig/parse_windows.go
View file

@ -1,37 +0,0 @@
package runconfig
import (
"fmt"
"strings"
)
// ValidateNetMode ensures that the various combinations of requested
// network settings are valid.
func ValidateNetMode(c *Config, hc *HostConfig) error {
// We may not be passed a host config, such as in the case of docker commit
if hc == nil {
return nil
}
parts := strings.Split(string(hc.NetworkMode), ":")
switch mode := parts[0]; mode {
case "default", "none":
default:
return fmt.Errorf("invalid --net: %s", hc.NetworkMode)
}
return nil
}
// ValidateIsolationLevel performs platform specific validation of the
// isolation level in the hostconfig structure. Windows supports 'default' (or
// blank), and 'hyperv'. These refer to Windows Server Containers and
// Hyper-V Containers respectively.
func ValidateIsolationLevel(hc *HostConfig) error {
// We may not be passed a host config, such as in the case of docker commit
if hc == nil {
return nil
}
if !hc.Isolation.IsValid() {
return fmt.Errorf("invalid --isolation: %q. Windows supports 'default' (Windows Server Container) or 'hyperv' (Hyper-V Container)", hc.Isolation)
}
return nil
}