common

package
v10.167.0+incompatible Latest Latest
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 Go to latest Published: Apr 15, 2019 License: Apache-2.0 Imports: 4 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	// TriremeCgroupPath is the standard Trireme cgroup path
	TriremeCgroupPath = "/trireme/"

	// TriremeUIDCgroupPath is the standard path for UID based activations
	TriremeUIDCgroupPath = "/trireme_uid/"

	// TriremeSocket is the standard API server Trireme socket path
	TriremeSocket = "/var/run/trireme.sock"
)

Variables

View Source 
var (
	// EventMap used for validations
	EventMap = map[Event]*struct{}{
		"start":   nil,
		"stop":    nil,
		"update":  nil,
		"create":  nil,
		"destroy": nil,
		"pause":   nil,
		"unpause": nil,
		"resync":  nil,
	}
)

Functions

func ConvertServicesToPortList 

func ConvertServicesToPortList(services []Service) string

ConvertServicesToPortList converts an array of services to a port list

func ConvertServicesToProtocolPortList 

func ConvertServicesToProtocolPortList(services []Service) (string, string)

ConvertServicesToProtocolPortList converts an array of services to tcp/udp port list

Types

type Event 

type Event string

Event represents the event picked up by the monitor. 

const (
	EventStart   Event = "start"
	EventStop    Event = "stop"
	EventUpdate  Event = "update"
	EventCreate  Event = "create"
	EventDestroy Event = "destroy"
	EventPause   Event = "pause"
	EventUnpause Event = "unpause"
	EventResync  Event = "resync"
)

Values of the events

type EventHandler 

type EventHandler func(ctx context.Context, event *EventInfo) error

A EventHandler is type of event handler functions.

type EventInfo 

type EventInfo struct {

	// EventType refers to one of the standard events that Trireme handles.
	EventType Event `json:"eventtype,omitempty"`

	// PUType is the the type of the PU
	PUType PUType `json:"putype,omitempty"`

	// The PUID is a unique value for the Processing Unit. Ideally this should be the UUID.
	PUID string `json:"puid,omitempty"`

	// The Name is a user-friendly name for the Processing Unit.
	Name string `json:"name,omitempty"`

	// The Executable is the executable name  for the Processing Unit.
	Executable string `json:"executable,omitempty"`

	// Tags represents the set of MetadataTags associated with this PUID.
	Tags []string `json:"tags,omitempty"`

	// The path for the Network Namespace.
	NS string `json:"namespace,omitempty"`

	// Cgroup is the path to the cgroup - used for deletes
	Cgroup string `json:"cgroup,omitempty"`

	// IPs is a map of all the IPs that fully belong to this processing Unit.
	IPs map[string]string `json:"ipaddressesutype,omitempty"`

	// Services is a list of services of interest - for host control
	Services []Service `json:"services,omitempty"`

	// The PID is the PID on the system where this Processing Unit is running.
	PID int32 `json:"pid,omitempty"`

	// HostService indicates that the request is for the root namespace
	HostService bool `json:"hostservice,omitempty"`

	// AutoPort indicates that the PU will have auto port feature enabled
	AutoPort bool `json:"autoport,omitempty"`

	// NetworkOnlyTraffic indicates that traffic towards the applications must be controlled.
	NetworkOnlyTraffic bool `json:"networktrafficonly,omitempty"`

	// Root indicates that this request is coming from a roor user. Its overwritten by the enforcer
	Root bool `json:"root,omitempty"`
}

EventInfo is a generic structure that defines all the information related to a PU event. EventInfo should be used as a normalized struct container that

type EventResponse 

type EventResponse struct {
	Error string
}

EventResponse encapsulate the error response if any.

type PUType 

type PUType int

PUType defines the PU type 

const (
	// ContainerPU indicates that this PU is a container
	ContainerPU PUType = iota
	// LinuxProcessPU indicates that this is Linux process
	LinuxProcessPU
	// HostPU is a host wrapping PU
	HostPU
	// HostNetworkPU is a PU for a network service in a host
	HostNetworkPU
	// KubernetesPU indicates that this is KubernetesPod
	KubernetesPU
	// UIDLoginPU -- PU representing a user session
	UIDLoginPU
	// SSHSessionPU -- PU representing a ssh session
	SSHSessionPU
	// TransientPU PU -- placeholder to run processing. This should not
	// be inserted in any cache. This is valid only for processing a packet
	TransientPU
)

type Service 

type Service struct {
	// Ports are the corresponding ports
	Ports *portspec.PortSpec `json:"ports,omitempty"`

	// Port is the service port. This has been deprecated and will be removed in later releases 01/13/2018
	Port uint16

	// Protocol is the protocol number
	Protocol uint8 `json:"protocol,omitempty"`

	// Addresses are the IP addresses. An empty list means 0.0.0.0/0
	Addresses []*net.IPNet `json:"addresses,omitempty"`

	// FQDNs is the list of FQDNs for the service.
	FQDNs []string `json:"fqdns,omitempty"`
}

Service is a protocol/port service of interest - used to pass user requests

type State 

type State int

A State describes the state of the PU. 

const (
	// StateStarted is the state of a started PU.
	StateStarted State = iota + 1

	// StateStopped is the state of stopped PU.
	StateStopped

	// StatePaused is the state of a paused PU.
	StatePaused

	// StateDestroyed is the state of destroyed PU.
	StateDestroyed

	// StateUnknwown is the state of PU in an unknown state.
	StateUnknwown
)

Source Files

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