cni

package
v1.0.4 Latest Latest
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Published: May 4, 2018 License: MIT Imports: 15 Imported by: 4

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Index

Constants

View Source
const (
	// CNI commands.
	Cmd    = "CNI_COMMAND"
	CmdAdd = "ADD"
	CmdDel = "DEL"

	// CNI errors.
	ErrRuntime = 100
)
View Source
const (
	Internal = "internal"
)
View Source
const (
	PolicyStr string = "Policy"
)

Variables

This section is empty.

Functions

func CallPlugin

func CallPlugin(plugin PluginApi, cmd string, args *cniSkel.CmdArgs, nwCfg *NetworkConfig) (*cniTypes.Result, error)

CallPlugin calls the given CNI plugin through the internal interface.

func GetPoliciesFromNwCfg

func GetPoliciesFromNwCfg(kvp []KVPair) []policy.Policy

GetPoliciesFromNwCfg returns network policies from network config.

Types

type K8SPodEnvArgs

type K8SPodEnvArgs struct {
	cniTypes.CommonArgs
	K8S_POD_NAMESPACE          cniTypes.UnmarshallableString `json:"K8S_POD_NAMESPACE,omitempty"`
	K8S_POD_NAME               cniTypes.UnmarshallableString `json:"K8S_POD_NAME,omitempty"`
	K8S_POD_INFRA_CONTAINER_ID cniTypes.UnmarshallableString `json:"K8S_POD_INFRA_CONTAINER_ID,omitempty"`
}

func ParseCniArgs

func ParseCniArgs(args string) (*K8SPodEnvArgs, error)

ParseCniArgs unmarshals cni arguments.

type KVPair

type KVPair struct {
	Name  string          `json:"name"`
	Value json.RawMessage `json:"value"`
}

KVPair represents a K-V pair of a json object.

type NetworkConfig

type NetworkConfig struct {
	CNIVersion string `json:"cniVersion"`
	Name       string `json:"name"`
	Type       string `json:"type"`
	Mode       string `json:"mode"`
	Master     string `json:"master"`
	Bridge     string `json:"bridge,omitempty"`
	LogLevel   string `json:"logLevel,omitempty"`
	LogTarget  string `json:"logTarget,omitempty"`
	Ipam       struct {
		Type          string `json:"type"`
		Environment   string `json:"environment,omitempty"`
		AddrSpace     string `json:"addressSpace,omitempty"`
		Subnet        string `json:"subnet,omitempty"`
		Address       string `json:"ipAddress,omitempty"`
		QueryInterval string `json:"queryInterval,omitempty"`
	}
	DNS            cniTypes.DNS `json:"dns"`
	AdditionalArgs []KVPair
}

NetworkConfig represents Azure CNI plugin network configuration.

func ParseNetworkConfig

func ParseNetworkConfig(b []byte) (*NetworkConfig, error)

ParseNetworkConfig unmarshals network configuration from bytes.

func (*NetworkConfig) Serialize

func (nwcfg *NetworkConfig) Serialize() []byte

Serialize marshals a network configuration to bytes.

type Plugin

type Plugin struct {
	*common.Plugin
}

Plugin is the parent class for CNI plugins.

func NewPlugin

func NewPlugin(name, version string) (*Plugin, error)

NewPlugin creates a new CNI plugin.

func (*Plugin) DelegateAdd

func (plugin *Plugin) DelegateAdd(pluginName string, nwCfg *NetworkConfig) (*cniTypesCurr.Result, error)

DelegateAdd calls the given plugin's ADD command and returns the result.

func (*Plugin) DelegateDel

func (plugin *Plugin) DelegateDel(pluginName string, nwCfg *NetworkConfig) error

DelegateDel calls the given plugin's DEL command and returns the result.

func (*Plugin) Error

func (plugin *Plugin) Error(err error) *cniTypes.Error

Error creates and logs a structured CNI error.

func (*Plugin) Errorf

func (plugin *Plugin) Errorf(format string, args ...interface{}) *cniTypes.Error

Errorf creates and logs a custom CNI error according to a format specifier.

func (*Plugin) Execute

func (plugin *Plugin) Execute(api PluginApi) (err error)

Execute executes the CNI command.

func (*Plugin) Initialize

func (plugin *Plugin) Initialize(config *common.PluginConfig) error

Initialize initializes the plugin.

func (*Plugin) Uninitialize

func (plugin *Plugin) Uninitialize()

Uninitialize uninitializes the plugin.

type PluginApi

type PluginApi interface {
	Add(args *cniSkel.CmdArgs) error
	Delete(args *cniSkel.CmdArgs) error
}

CNI contract.

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