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entity.go
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entity.go
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// Unless explicitly stated otherwise all files in this repository are licensed
// under the Apache License Version 2.0.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2016-present Datadog, Inc.
package containers
import (
"strings"
)
// ContainerEntityName is the entity name applied to all containers
const ContainerEntityName = "container_id"
// EntitySeparator is used to separate the entity name from its ID
const EntitySeparator = "://"
// ContainerEntityPrefix is the prefix that any entity corresponding to a container must have
// It replaces any prior prefix like <runtime>:// in a pod container status.
const ContainerEntityPrefix = ContainerEntityName + EntitySeparator
// BuildEntityName builds a valid entity name for a given container runtime and cid.
func BuildEntityName(runtime, id string) string {
if id == "" || runtime == "" {
return ""
}
return runtime + EntitySeparator + id
}
// BuildTaggerEntityName builds a valid tagger entity name for a given cid.
func BuildTaggerEntityName(id string) string {
if id == "" {
return ""
}
return ContainerEntityPrefix + id
}
// SplitEntityName returns the prefix and container cid parts of a valid entity name
func SplitEntityName(name string) (string, string) {
if !IsEntityName(name) {
return "", ""
}
parts := strings.SplitN(name, EntitySeparator, 2)
return parts[0], parts[1]
}
// ContainerIDForEntity extracts the container ID portion of a container entity name
func ContainerIDForEntity(name string) string {
_, id := SplitEntityName(name)
return id
}
// IsEntityName tests whether a given entity name is valid
func IsEntityName(name string) bool {
return strings.Contains(name, EntitySeparator)
}