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cni_plugin_unix.go
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cni_plugin_unix.go
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//go:build freebsd || linux
/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package netutil
// bridgeConfig describes the bridge plugin
type bridgeConfig struct {
PluginType string `json:"type"`
BrName string `json:"bridge,omitempty"`
IsGW bool `json:"isGateway,omitempty"`
IsDefaultGW bool `json:"isDefaultGateway,omitempty"`
ForceAddress bool `json:"forceAddress,omitempty"`
IPMasq bool `json:"ipMasq,omitempty"`
MTU int `json:"mtu,omitempty"`
HairpinMode bool `json:"hairpinMode,omitempty"`
PromiscMode bool `json:"promiscMode,omitempty"`
Vlan int `json:"vlan,omitempty"`
IPAM map[string]interface{} `json:"ipam"`
}
func newBridgePlugin(bridgeName string) *bridgeConfig {
return &bridgeConfig{
PluginType: "bridge",
BrName: bridgeName,
}
}
func (*bridgeConfig) GetPluginType() string {
return "bridge"
}
// vlanConfig describes the macvlan/ipvlan config
type vlanConfig struct {
PluginType string `json:"type"`
Master string `json:"master"`
Mode string `json:"mode,omitempty"`
MTU int `json:"mtu,omitempty"`
IPAM map[string]interface{} `json:"ipam"`
}
func newVLANPlugin(pluginType string) *vlanConfig {
return &vlanConfig{
PluginType: pluginType,
}
}
func (c *vlanConfig) GetPluginType() string {
return c.PluginType
}
// portMapConfig describes the portmapping plugin
type portMapConfig struct {
PluginType string `json:"type"`
Capabilities map[string]bool `json:"capabilities"`
}
func newPortMapPlugin() *portMapConfig {
return &portMapConfig{
PluginType: "portmap",
Capabilities: map[string]bool{
"portMappings": true,
},
}
}
func (*portMapConfig) GetPluginType() string {
return "portmap"
}
// firewallConfig describes the firewall plugin
type firewallConfig struct {
PluginType string `json:"type"`
Backend string `json:"backend,omitempty"`
// IngressPolicy is supported since firewall plugin v1.1.0.
// "same-bridge" mode replaces the deprecated "isolation" plugin.
IngressPolicy string `json:"ingressPolicy,omitempty"`
}
func newFirewallPlugin() *firewallConfig {
return &firewallConfig{
PluginType: "firewall",
IngressPolicy: "same-bridge",
}
}
func (*firewallConfig) GetPluginType() string {
return "firewall"
}
// tuningConfig describes the tuning plugin
type tuningConfig struct {
PluginType string `json:"type"`
}
func newTuningPlugin() *tuningConfig {
return &tuningConfig{
PluginType: "tuning",
}
}
func (*tuningConfig) GetPluginType() string {
return "tuning"
}
// https://github.com/containernetworking/plugins/blob/v1.0.1/plugins/ipam/host-local/backend/allocator/config.go#L47-L56
type hostLocalIPAMConfig struct {
Type string `json:"type"`
Routes []IPAMRoute `json:"routes,omitempty"`
ResolveConf string `json:"resolveConf,omitempty"`
DataDir string `json:"dataDir,omitempty"`
Ranges [][]IPAMRange `json:"ranges,omitempty"`
}
func newHostLocalIPAMConfig() *hostLocalIPAMConfig {
return &hostLocalIPAMConfig{
Type: "host-local",
}
}
// https://github.com/containernetworking/plugins/blob/v1.1.0/plugins/ipam/dhcp/main.go#L43-L54
type dhcpIPAMConfig struct {
Type string `json:"type"`
DaemonSocketPath string `json:"daemonSocketPath,omitempty"`
}
func newDHCPIPAMConfig() *dhcpIPAMConfig {
return &dhcpIPAMConfig{
Type: "dhcp",
}
}