add_kubernetes_metadata

package
v6.1.3+incompatible Latest Latest
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 Go to latest Published: Jan 25, 2018 License: Apache-2.0 Imports: 21 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	ContainerIndexerName = "container"
	PodNameIndexerName   = "pod_name"
)
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 Container 

type Container struct {
	Image                  string          `json:"image"`
	ImagePullPolicy        string          `json:"imagePullPolicy"`
	Name                   string          `json:"name"`
	Ports                  []ContainerPort `json:"ports"`
	Resources              struct{}        `json:"resources"`
	TerminationMessagePath string          `json:"terminationMessagePath"`
	VolumeMounts           []struct {
		MountPath string `json:"mountPath"`
		Name      string `json:"name"`
		ReadOnly  bool   `json:"readOnly"`
	} `json:"volumeMounts"`
}

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 *Pod) []string

func (*ContainerIndexer) GetMetadata 

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

type ContainerPort 

type ContainerPort struct {
	Name          string `json:"name"`
	ContainerPort int64  `json:"containerPort"`
	Protocol      string `json:"protocol"`
}

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 GenDefaultMeta 

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

func NewGenDefaultMeta 

func NewGenDefaultMeta(annotations, labels, labelsExclude []string) *GenDefaultMeta

func (*GenDefaultMeta) GenerateMetaData 

func (g *GenDefaultMeta) GenerateMetaData(pod *Pod) common.MapStr

GenerateMetaData generates default metadata for the given pod taking to account certain filters

type GenMeta 

type GenMeta interface {
	//GenerateMetaData generates metadata by taking in a pod as an input
	GenerateMetaData(pod *Pod) common.MapStr
}

GenMeta takes in pods to generate metadata for them

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 *Pod) []MetadataIndex

	// GetIndexes return the list of indexes the given pod belongs to. This function
	// must return the same indexes than GetMetadata
	GetIndexes(pod *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, genMeta GenMeta) (Indexer, error)

func NewPodNameIndexer 

func NewPodNameIndexer(_ common.Config, genMeta GenMeta) (Indexer, error)

type IndexerConstructor 

type IndexerConstructor func(config common.Config, genMeta GenMeta) (Indexer, error)

type Indexers 

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

func NewIndexers 

func NewIndexers(configs PluginConfig, metaGen *GenDefaultMeta) *Indexers

func (*Indexers) Empty 

func (i *Indexers) Empty() bool

func (*Indexers) GetIndexes 

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

GetIndexes returns the composed index list from all registered indexers

func (*Indexers) GetMetadata 

func (i *Indexers) GetMetadata(pod *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 ObjectMeta 

type ObjectMeta struct {
	Annotations       map[string]string `json:"annotations"`
	CreationTimestamp string            `json:"creationTimestamp"`
	DeletionTimestamp string            `json:"deletionTimestamp"`
	GenerateName      string            `json:"generateName"`
	Labels            map[string]string `json:"labels"`
	Name              string            `json:"name"`
	Namespace         string            `json:"namespace"`
	OwnerReferences   []struct {
		APIVersion string `json:"apiVersion"`
		Controller bool   `json:"controller"`
		Kind       string `json:"kind"`
		Name       string `json:"name"`
		UID        string `json:"uid"`
	} `json:"ownerReferences"`
	ResourceVersion string `json:"resourceVersion"`
	SelfLink        string `json:"selfLink"`
	UID             string `json:"uid"`
}

type PluginConfig 

type PluginConfig []map[string]common.Config

type Pod 

type Pod struct {
	APIVersion string     `json:"apiVersion"`
	Kind       string     `json:"kind"`
	Metadata   ObjectMeta `json:"metadata"`
	Spec       PodSpec    `json:"spec"`
	Status     PodStatus  `json:"status"`
}

func GetPodMeta 

func GetPodMeta(pod *corev1.Pod) *Pod

type PodContainerStatus 

type PodContainerStatus struct {
	ContainerID string `json:"containerID"`
	Image       string `json:"image"`
	ImageID     string `json:"imageID"`
	LastState   struct {
		Terminated struct {
			ContainerID string `json:"containerID"`
			ExitCode    int64  `json:"exitCode"`
			FinishedAt  string `json:"finishedAt"`
			Reason      string `json:"reason"`
			StartedAt   string `json:"startedAt"`
		} `json:"terminated"`
	} `json:"lastState"`
	Name         string `json:"name"`
	Ready        bool   `json:"ready"`
	RestartCount int64  `json:"restartCount"`
	State        struct {
		Running struct {
			StartedAt string `json:"startedAt"`
		} `json:"running"`
	} `json:"state"`
}

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 *Pod) []string

func (*PodNameIndexer) GetMetadata 

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

type PodSpec 

type PodSpec struct {
	Containers                    []Container `json:"containers"`
	DNSPolicy                     string      `json:"dnsPolicy"`
	NodeName                      string      `json:"nodeName"`
	RestartPolicy                 string      `json:"restartPolicy"`
	SecurityContext               struct{}    `json:"securityContext"`
	ServiceAccount                string      `json:"serviceAccount"`
	ServiceAccountName            string      `json:"serviceAccountName"`
	TerminationGracePeriodSeconds int64       `json:"terminationGracePeriodSeconds"`
}

type PodStatus 

type PodStatus struct {
	Conditions            []PodStatusCondition `json:"conditions"`
	ContainerStatuses     []PodContainerStatus `json:"containerStatuses"`
	InitContainerStatuses []PodContainerStatus `json:"initContainerStatuses"`
	HostIP                string               `json:"hostIP"`
	Phase                 string               `json:"phase"`
	PodIP                 string               `json:"podIP"`
	StartTime             string               `json:"startTime"`
}

type PodStatusCondition 

type PodStatusCondition struct {
	LastProbeTime      interface{} `json:"lastProbeTime"`
	LastTransitionTime string      `json:"lastTransitionTime"`
	Status             string      `json:"status"`
	Type               string      `json:"type"`
}

type PodWatcher 

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

PodWatcher is a controller that synchronizes Pods.

func NewPodWatcher 

func NewPodWatcher(kubeClient *k8s.Client, indexers *Indexers, syncPeriod, cleanupTimeout time.Duration, host string) *PodWatcher

NewPodWatcher initializes the watcher client to provide a local state of pods from the cluster (filtered to the given host)

func (*PodWatcher) GetMetaData 

func (p *PodWatcher) GetMetaData(arg string) common.MapStr

func (*PodWatcher) GetPod 

func (p *PodWatcher) GetPod(uid string) *Pod

func (*PodWatcher) Run 

func (p *PodWatcher) Run() bool

func (*PodWatcher) Stop 

func (p *PodWatcher) Stop()

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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