add_kubernetes_metadata

package
v6.2.2+incompatible Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Feb 15, 2018 License: Apache-2.0 Imports: 14 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	ContainerIndexerName = "container"
	PodNameIndexerName   = "pod_name"
	IPPortIndexerName    = "ip_port"
)
View Source 
const (
	FieldMatcherName       = "fields"
	FieldFormatMatcherName = "field_format"
)

Variables

View Source 
var Indexing = NewRegister()

Indexing is the singleton Register instance where all Indexers and Matchers are stored

Functions

func IndexerPlugin 

func IndexerPlugin(name string, c IndexerConstructor) map[string][]interface{}

func MatcherPlugin 

func MatcherPlugin(name string, m MatcherConstructor) map[string][]interface{}

Types

type ContainerIndexer 

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

ContainerIndexer indexes pods based on all their containers IDs

func (*ContainerIndexer) GetIndexes 

func (c *ContainerIndexer) GetIndexes(pod *kubernetes.Pod) []string

GetIndexes returns the indexes for the given Pod

func (*ContainerIndexer) GetMetadata 

func (c *ContainerIndexer) GetMetadata(pod *kubernetes.Pod) []MetadataIndex

GetMetadata returns the composed metadata list from all registered indexers

type Enabled 

type Enabled struct {
	Enabled bool `config:"enabled"`
}

type FieldFormatMatcher 

type FieldFormatMatcher struct {
	Codec codec.Codec
}

func (*FieldFormatMatcher) MetadataIndex 

func (f *FieldFormatMatcher) MetadataIndex(event common.MapStr) string

type FieldMatcher 

type FieldMatcher struct {
	MatchFields []string
}

func (*FieldMatcher) MetadataIndex 

func (f *FieldMatcher) MetadataIndex(event common.MapStr) string

type IPPortIndexer 

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

IPPortIndexer indexes pods based on all their host:port combinations

func (*IPPortIndexer) GetIndexes 

func (h *IPPortIndexer) GetIndexes(pod *kubernetes.Pod) []string

GetIndexes returns the indexes for the given Pod

func (*IPPortIndexer) GetMetadata 

func (h *IPPortIndexer) GetMetadata(pod *kubernetes.Pod) []MetadataIndex

GetMetadata returns metadata for the given pod, if it matches the index

type Indexer 

type Indexer interface {
	// GetMetadata generates event metadata for the given pod, then returns the
	// list of indexes to create, with the metadata to put on them
	GetMetadata(pod *kubernetes.Pod) []MetadataIndex

	// GetIndexes return the list of indexes the given pod belongs to. This function
	// must return the same indexes than GetMetadata
	GetIndexes(pod *kubernetes.Pod) []string
}

Indexer take known pods and generate all the metadata we need to enrich events in a efficient way. By preindexing the metadata in the way it will be checked when matching events

func NewContainerIndexer 

func NewContainerIndexer(_ common.Config, metaGen kubernetes.MetaGenerator) (Indexer, error)

NewContainerIndexer initializes and returns a ContainerIndexer

func NewIPPortIndexer 

func NewIPPortIndexer(_ common.Config, metaGen kubernetes.MetaGenerator) (Indexer, error)

NewIPPortIndexer creates and returns a new indexer for pod IP & ports

func NewPodNameIndexer 

func NewPodNameIndexer(_ common.Config, metaGen kubernetes.MetaGenerator) (Indexer, error)

NewPodNameIndexer initializes and returns a PodNameIndexer

type IndexerConstructor 

type IndexerConstructor func(config common.Config, metaGen kubernetes.MetaGenerator) (Indexer, error)

IndexerConstructor builds a new indexer from its settings

type Indexers 

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

func NewIndexers 

func NewIndexers(configs PluginConfig, metaGen kubernetes.MetaGenerator) *Indexers

NewIndexers builds indexers object

func (*Indexers) Empty 

func (i *Indexers) Empty() bool

Empty returns true if indexers list is empty

func (*Indexers) GetIndexes 

func (i *Indexers) GetIndexes(pod *kubernetes.Pod) []string

GetIndexes returns the composed index list from all registered indexers

func (*Indexers) GetMetadata 

func (i *Indexers) GetMetadata(pod *kubernetes.Pod) []MetadataIndex

GetMetadata returns the composed metadata list from all registered indexers

type Matcher 

type Matcher interface {
	// MetadataIndex returns the index string to use in annotation lookups for the given
	// event. A previous indexer should have generated that index for this to work
	// This function can return "" if the event doesn't match
	MetadataIndex(event common.MapStr) string
}

Matcher takes a new event and returns the index

func NewFieldFormatMatcher 

func NewFieldFormatMatcher(cfg common.Config) (Matcher, error)

func NewFieldMatcher 

func NewFieldMatcher(cfg common.Config) (Matcher, error)

type MatcherConstructor 

type MatcherConstructor func(config common.Config) (Matcher, error)

type Matchers 

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

func NewMatchers 

func NewMatchers(configs PluginConfig) *Matchers

func (*Matchers) Empty 

func (m *Matchers) Empty() bool

func (*Matchers) MetadataIndex 

func (m *Matchers) MetadataIndex(event common.MapStr) string

MetadataIndex returns the index string for the first matcher from the Registry returning one

type MetadataIndex 

type MetadataIndex struct {
	Index string
	Data  common.MapStr
}

MetadataIndex holds a pair of index -> metadata info

type PluginConfig 

type PluginConfig []map[string]common.Config

type PodNameIndexer 

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

PodNameIndexer implements default indexer based on pod name

func (*PodNameIndexer) GetIndexes 

func (p *PodNameIndexer) GetIndexes(pod *kubernetes.Pod) []string

GetIndexes returns the indexes for the given Pod

func (*PodNameIndexer) GetMetadata 

func (p *PodNameIndexer) GetMetadata(pod *kubernetes.Pod) []MetadataIndex

GetMetadata returns metadata for the given pod, if it matches the index

type Register 

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

Register contains Indexer and Matchers to use on pod indexing and event matching

func NewRegister 

func NewRegister() *Register

NewRegister creates and returns a new Register.

func (*Register) AddDefaultIndexerConfig 

func (r *Register) AddDefaultIndexerConfig(name string, config common.Config)

AddIndexer to the register

func (*Register) AddDefaultMatcherConfig 

func (r *Register) AddDefaultMatcherConfig(name string, config common.Config)

AddMatcher to the register

func (*Register) AddIndexer 

func (r *Register) AddIndexer(name string, indexer IndexerConstructor)

AddIndexer to the register

func (*Register) AddMatcher 

func (r *Register) AddMatcher(name string, matcher MatcherConstructor)

AddMatcher to the register

func (*Register) GetDefaultIndexerConfigs 

func (r *Register) GetDefaultIndexerConfigs() map[string]common.Config

func (*Register) GetDefaultMatcherConfigs 

func (r *Register) GetDefaultMatcherConfigs() map[string]common.Config

func (*Register) GetIndexer 

func (r *Register) GetIndexer(name string) IndexerConstructor

AddIndexer to the register

func (*Register) GetMatcher 

func (r *Register) GetMatcher(name string) MatcherConstructor

AddMatcher to the register

Source Files

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