metrics

const (
	// ErrorTimeout is the value used to notify timeout errors.
	ErrorTimeout = "timeout"

	// ErrorProxy is the value used to notify errors on Proxy.
	ErrorProxy = "proxy"

	//L7DNS is the value used to report DNS label on metrics
	L7DNS = "dns"

	// SubsystemBPF is the subsystem to scope metrics related to the bpf syscalls.
	SubsystemBPF = "bpf"

	// SubsystemDatapath is the subsystem to scope metrics related to management of
	// the datapath. It is prepended to metric names and separated with a '_'.
	SubsystemDatapath = "datapath"

	// SubsystemAgent is the subsystem to scope metrics related to the cce agent itself.
	SubsystemAgent = "agent"

	// SubsystemK8s is the subsystem to scope metrics related to Kubernetes
	SubsystemK8s = "k8s"

	// SubsystemK8sClient is the subsystem to scope metrics related to the kubernetes client.
	SubsystemK8sClient = "k8s_client"

	// SubsystemKVStore is the subsystem to scope metrics related to the kvstore.
	SubsystemKVStore = "kvstore"

	// SubsystemFQDN is the subsystem to scope metrics related to the FQDN proxy.
	SubsystemFQDN = "fqdn"

	// SubsystemNodes is the subsystem to scope metrics related to the node manager.
	SubsystemNodes = "nodes"

	// SubsystemTriggers is the subsystem to scope metrics related to the trigger package.
	SubsystemTriggers = "triggers"

	// SubsystemAPILimiter is the subsystem to scope metrics related to the API limiter package.
	SubsystemAPILimiter = "api_limiter"

	// SubsystemNodeNeigh is the subsystem to scope metrics related to management of node neighbor.
	SubsystemNodeNeigh = "node_neigh"

	// Namespace is used to scope metrics from cce. It is prepended to metric
	// names and separated with a '_'
	Namespace = "cce"

	// LabelError indicates the type of error (string)
	LabelError = "error"

	// LabelOutcome indicates whether the outcome of the operation was successful or not
	LabelOutcome = "outcome"

	// LabelAttempts is the number of attempts it took to complete the operation
	LabelAttempts = "attempts"

	// LabelValueOutcomeSuccess is used as a successful outcome of an operation
	LabelValueOutcomeSuccess = "success"

	// LabelValueOutcomeFail is used as an unsuccessful outcome of an operation
	LabelValueOutcomeFail = "fail"

	// LabelEventSourceAPI marks event-related metrics that come from the API
	LabelEventSourceAPI = "api"

	// LabelEventSourceK8s marks event-related metrics that come from k8s
	LabelEventSourceK8s = "k8s"

	// LabelEventSourceFQDN marks event-related metrics that come from pkg/fqdn
	LabelEventSourceFQDN = "fqdn"

	// LabelEventSourceContainerd marks event-related metrics that come from docker
	LabelEventSourceContainerd = "docker"

	// LabelDatapathArea marks which area the metrics are related to (eg, which BPF map)
	LabelDatapathArea = "area"

	// LabelDatapathName marks a unique identifier for this metric.
	// The name should be defined once for a given type of error.
	LabelDatapathName = "name"

	// LabelDatapathFamily marks which protocol family (IPv4, IPV6) the metric is related to.
	LabelDatapathFamily = "family"

	// LabelProtocol marks the L4 protocol (TCP, ANY) for the metric.
	LabelProtocol = "protocol"

	// LabelSignalType marks the signal name
	LabelSignalType = "signal"

	// LabelSignalData marks the signal data
	LabelSignalData = "data"

	// LabelStatus the label from completed task
	LabelStatus = "status"

	// LabelPolicyEnforcement is the label used to see the enforcement status
	LabelPolicyEnforcement = "enforcement"

	// LabelPolicySource is the label used to see the enforcement status
	LabelPolicySource = "source"

	// LabelScope is the label used to defined multiples scopes in the same
	// metric. For example, one counter may measure a metric over the scope of
	// the entire event (scope=global), or just part of an event
	// (scope=slow_path)
	LabelScope = "scope"

	// LabelProtocolL7 is the label used when working with layer 7 protocols.
	LabelProtocolL7 = "protocol_l7"

	// LabelBuildState is the state a build queue entry is in
	LabelBuildState = "state"

	// LabelBuildQueueName is the name of the build queue
	LabelBuildQueueName = "name"

	// LabelAction is the label used to defined what kind of action was performed in a metric
	LabelAction = "action"

	// LabelSubsystem is the label used to refer to any of the child process
	// started by cce (Envoy, monitor, etc..)
	LabelSubsystem = "subsystem"

	// LabelKind is the kind of a label
	LabelKind = "kind"

	// LabelEventSource is the source of a label for event metrics
	// i.e. k8s, containerd, api.
	LabelEventSource = "source"

	// LabelPath is the label for the API path
	LabelPath = "path"
	// LabelMethod is the label for the HTTP method
	LabelMethod = "method"

	// LabelAPIReturnCode is the HTTP code returned for that API path
	LabelAPIReturnCode = "return_code"

	// LabelOperation is the label for BPF maps operations
	LabelOperation = "operation"

	// LabelMapName is the label for the BPF map name
	LabelMapName = "map_name"

	// LabelVersion is the label for the version number
	LabelVersion = "version"

	// LabelDirection is the label for traffic direction
	LabelDirection = "direction"

	// LabelSourceCluster is the label for source cluster name
	LabelSourceCluster = "source_cluster"

	// LabelSourceNodeName is the label for source node name
	LabelSourceNodeName = "source_node_name"

	// LabelTargetCluster is the label for target cluster name
	LabelTargetCluster = "target_cluster"

	// LabelTargetNodeIP is the label for target node IP
	LabelTargetNodeIP = "target_node_ip"

	// LabelTargetNodeName is the label for target node name
	LabelTargetNodeName = "target_node_name"

	// LabelTargetNodeType is the label for target node type (local_node, remote_intra_cluster, vs remote_inter_cluster)
	LabelTargetNodeType = "target_node_type"

	LabelLocationLocalNode          = "local_node"
	LabelLocationRemoteIntraCluster = "remote_intra_cluster"
	LabelLocationRemoteInterCluster = "remote_inter_cluster"

	// LabelType is the label for type in general (e.g. endpoint, node)
	LabelType         = "type"
	LabelPeerEndpoint = "endpoint"
	LabelPeerNode     = "node"

	LabelTrafficHTTP = "http"
	LabelTrafficICMP = "icmp"

	LabelAddressType          = "address_type"
	LabelAddressTypePrimary   = "primary"
	LabelAddressTypeSecondary = "secondary"

	// LabelEventMethod is the label for the method of an event
	LabelEventMethod       = "method"
	LabelEventMethodAdd    = "add"
	LabelEventMethodUpdate = "update"
	LabelEventMethodDelete = "delete"
)