tag

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 Go to latest Published: Jun 15, 2015 License: Apache-2.0 Imports: 10 Imported by: 0

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Index

Constants

View Source 
const (
	ContainerID   = "docker_container_id"
	ContainerName = "docker_container_name"
	ImageID       = "docker_image_id"
	ImageName     = "docker_image_name"
)

These constants are keys used in node metadata TODO: use these constants in report/{mapping.go, detailed_node.go} - pending some circular references

Variables

This section is empty.

Functions

func Apply 

func Apply(r report.Report, taggers []Tagger) report.Report

Apply tags the report with all the taggers.

Types

type DockerTagger 

type DockerTagger struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

DockerTagger is a tagger that tags Docker container information to process nodes that have a PID.

func NewDockerTagger 

func NewDockerTagger(procRoot string, interval time.Duration) (*DockerTagger, error)

NewDockerTagger returns a usable DockerTagger. Don't forget to Stop it.

func (*DockerTagger) ContainerTopology 

func (t *DockerTagger) ContainerTopology(scope string) report.Topology

ContainerTopology produces a Toplogy of Containers

func (*DockerTagger) Containers 

func (t *DockerTagger) Containers() []*docker.Container

Containers returns the Containers the DockerTagger knows about.

func (*DockerTagger) Stop 

func (t *DockerTagger) Stop()

Stop stops the Docker tagger's event subscriber.

func (*DockerTagger) Tag 

func (t *DockerTagger) Tag(r report.Report) report.Report

Tag implements Tagger.

type PIDTree 

type PIDTree struct {
	// contains filtered or unexported fields
}

PIDTree represents all processes on the machine.

func NewPIDTree 

func NewPIDTree(procRoot string) (*PIDTree, error)

NewPIDTree returns a new PIDTree that can be polled.

func (*PIDTree) ProcessTopology 

func (pt *PIDTree) ProcessTopology(hostID string) report.Topology

ProcessTopology returns a process topology based on the current state of the PIDTree.

type Process 

type Process struct {
	PID, PPID int
	Comm      string
	// contains filtered or unexported fields
}

Process represents a single process.

type Tagger 

type Tagger interface {
	Tag(r report.Report) report.Report
}

Tagger tags nodes with value-add node metadata.

func NewOriginHostTagger 

func NewOriginHostTagger(hostID string) Tagger

NewOriginHostTagger tags each node with a foreign key linking it to its origin host in the host topology.

func NewTopologyTagger 

func NewTopologyTagger() Tagger

NewTopologyTagger tags each node with the topology that it comes from.

Source Files

  • docker_tagger.go
  • origin_host_tagger.go
  • pidtree.go
  • tagger.go
  • topology_tagger.go

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