constants

const (
	// Input is the attribute in a JSON request body, which contains the necessary data for policy evaluation
	Input = "input"
	// EndpointData is used for all data related http endpoints
	EndpointData = "/data"
	// EndpointPolicies is used for all policy related http endpoints
	EndpointPolicies = "/policies"
	// EndpointHealth is used as the http endpoint for liveliness probes
	EndpointHealth = "/health"
	// EndpointMetrics will be used if Kelon is configured to publish metrics using Prometheus
	EndpointMetrics = "/metrics"
	// URLParamID is the url parameter which will be used by http endpoints, which try to query/modify e.g. policies
	URLParamID = "id"
)

const (
	// MetaMaxOpenConnections is the MetaKey for maxOpenConnections
	MetaMaxOpenConnections string = "maxOpenConnections"
	// MetaMaxIdleConnections is the MetaKey for maxIdleConnections
	MetaMaxIdleConnections string = "maxIdleConnections"
	// MetaConnectionMaxLifetimeSeconds is the MetaKey for connectionMaxLifetimeSeconds
	MetaConnectionMaxLifetimeSeconds string = "connectionMaxLifetimeSeconds"
)

const (
	// TelemetryPrometheus is the telemetry option for prometheus
	TelemetryPrometheus string = "prometheus"
	// TelemetryOtlp is the telemetry option for OpenTelemetry
	TelemetryOtlp string = "otlp"
	// ProtocolHTTP indicates HTTP should be used for exporting OpenTelemetry data
	ProtocolHTTP string = "http"
	// ProtocolGRPC indicates gRPC should be used for exporting OpenTelemetry data
	ProtocolGRPC string = "grpc"
)

const (
	// LabelHTTPMethod is the label which holds the http method for the http.Handler metric instrumentation
	LabelHTTPMethod string = "http.method"
	// LabelHTTPStatusCode is the label which holds the http response code for the http.Handler metric instrumentation
	LabelHTTPStatusCode string = "http.status_code"
	// LabelGrpcService is the label which holds the grpc service name for the grpc metric instrumentation
	LabelGrpcService string = "rpc.service"
	// LabelDBPoolName is the label which holds the db pool information for the database query execution metrics
	LabelDBPoolName string = "pool.name"
	// LabelPolicyDecision is the label for the policy decision in the metrics
	LabelPolicyDecision string = "decision"
	// LabelPolicyDecisionReason is the label for the decision reason in the metrics
	LabelPolicyDecisionReason string = "reason"
	// LabelRegoPackage is the label for the rego package in the metrics
	LabelRegoPackage string = "rego.package"
)

const ContextKeyRegoPackage = ContextKey("regoPackage")

const ProtocolPrefixRe = "^\\w+://"