v1alpha1

type ClientConnectionConfiguration struct {
	// kubeConfigFile is the path to a kubeconfig file.
	KubeConfigFile string `json:"kubeconfig"`
	// acceptContentTypes defines the Accept header sent by clients when connecting to a server, overriding the
	// default value of 'application/json'. This field will control all connections to the server used by a particular
	// client.
	AcceptContentTypes string `json:"acceptContentTypes"`
	// contentType is the content type used when sending data to the server from this client.
	ContentType string `json:"contentType"`
	// cps controls the number of queries per second allowed for this connection.
	QPS float32 `json:"qps"`
	// burst allows extra queries to accumulate when a client is exceeding its rate.
	Burst int `json:"burst"`
}

type KubeProxyConfiguration struct {
	metav1.TypeMeta `json:",inline"`

	// featureGates is a comma-separated list of key=value pairs that control
	// which alpha/beta features are enabled.
	//
	// TODO this really should be a map but that requires refactoring all
	// components to use config files because local-up-cluster.sh only supports
	// the --feature-gates flag right now, which is comma-separated key=value
	// pairs.
	FeatureGates string `json:"featureGates"`

	// bindAddress is the IP address for the proxy server to serve on (set to 0.0.0.0
	// for all interfaces)
	BindAddress string `json:"bindAddress"`
	// healthzBindAddress is the IP address and port for the health check server to serve on,
	// defaulting to 0.0.0.0:10256
	HealthzBindAddress string `json:"healthzBindAddress"`
	// metricsBindAddress is the IP address and port for the metrics server to serve on,
	// defaulting to 127.0.0.1:10249 (set to 0.0.0.0 for all interfaces)
	MetricsBindAddress string `json:"metricsBindAddress"`
	// enableProfiling enables profiling via web interface on /debug/pprof handler.
	// Profiling handlers will be handled by metrics server.
	EnableProfiling bool `json:"enableProfiling"`
	// clusterCIDR is the CIDR range of the pods in the cluster. It is used to
	// bridge traffic coming from outside of the cluster. If not provided,
	// no off-cluster bridging will be performed.
	ClusterCIDR string `json:"clusterCIDR"`
	// hostnameOverride, if non-empty, will be used as the identity instead of the actual hostname.
	HostnameOverride string `json:"hostnameOverride"`
	// clientConnection specifies the kubeconfig file and client connection settings for the proxy
	// server to use when communicating with the apiserver.
	ClientConnection ClientConnectionConfiguration `json:"clientConnection"`
	// iptables contains iptables-related configuration options.
	IPTables KubeProxyIPTablesConfiguration `json:"iptables"`
	// ipvs contains ipvs-related configuration options.
	IPVS KubeProxyIPVSConfiguration `json:"ipvs"`
	// oomScoreAdj is the oom-score-adj value for kube-proxy process. Values must be within
	// the range [-1000, 1000]
	OOMScoreAdj *int32 `json:"oomScoreAdj"`
	// mode specifies which proxy mode to use.
	Mode ProxyMode `json:"mode"`
	// portRange is the range of host ports (beginPort-endPort, inclusive) that may be consumed
	// in order to proxy service traffic. If unspecified (0-0) then ports will be randomly chosen.
	PortRange string `json:"portRange"`
	// resourceContainer is the bsolute name of the resource-only container to create and run
	// the Kube-proxy in (Default: /kube-proxy).
	ResourceContainer string `json:"resourceContainer"`
	// udpIdleTimeout is how long an idle UDP connection will be kept open (e.g. '250ms', '2s').
	// Must be greater than 0. Only applicable for proxyMode=userspace.
	UDPIdleTimeout metav1.Duration `json:"udpTimeoutMilliseconds"`
	// conntrack contains conntrack-related configuration options.
	Conntrack KubeProxyConntrackConfiguration `json:"conntrack"`
	// configSyncPeriod is how often configuration from the apiserver is refreshed. Must be greater
	// than 0.
	ConfigSyncPeriod metav1.Duration `json:"configSyncPeriod"`
}

type KubeProxyConntrackConfiguration struct {
	// max is the maximum number of NAT connections to track (0 to
	// leave as-is).  This takes precedence over maxPerCore and min.
	Max *int32 `json:"max"`
	// maxPerCore is the maximum number of NAT connections to track
	// per CPU core (0 to leave the limit as-is and ignore min).
	MaxPerCore *int32 `json:"maxPerCore"`
	// min is the minimum value of connect-tracking records to allocate,
	// regardless of conntrackMaxPerCore (set maxPerCore=0 to leave the limit as-is).
	Min *int32 `json:"min"`
	// tcpEstablishedTimeout is how long an idle TCP connection will be kept open
	// (e.g. '2s').  Must be greater than 0 to set.
	TCPEstablishedTimeout *metav1.Duration `json:"tcpEstablishedTimeout"`
	// tcpCloseWaitTimeout is how long an idle conntrack entry
	// in CLOSE_WAIT state will remain in the conntrack
	// table. (e.g. '60s'). Must be greater than 0 to set.
	TCPCloseWaitTimeout *metav1.Duration `json:"tcpCloseWaitTimeout"`
}

type KubeProxyIPTablesConfiguration struct {
	// masqueradeBit is the bit of the iptables fwmark space to use for SNAT if using
	// the pure iptables proxy mode. Values must be within the range [0, 31].
	MasqueradeBit *int32 `json:"masqueradeBit"`
	// masqueradeAll tells kube-proxy to SNAT everything if using the pure iptables proxy mode.
	MasqueradeAll bool `json:"masqueradeAll"`
	// syncPeriod is the period that iptables rules are refreshed (e.g. '5s', '1m',
	// '2h22m').  Must be greater than 0.
	SyncPeriod metav1.Duration `json:"syncPeriod"`
	// minSyncPeriod is the minimum period that iptables rules are refreshed (e.g. '5s', '1m',
	// '2h22m').
	MinSyncPeriod metav1.Duration `json:"minSyncPeriod"`
}

type KubeProxyIPVSConfiguration struct {
	// syncPeriod is the period that ipvs rules are refreshed (e.g. '5s', '1m',
	// '2h22m').  Must be greater than 0.
	SyncPeriod metav1.Duration `json:"syncPeriod"`
	// minSyncPeriod is the minimum period that ipvs rules are refreshed (e.g. '5s', '1m',
	// '2h22m').
	MinSyncPeriod metav1.Duration `json:"minSyncPeriod"`
	// ipvs scheduler
	Scheduler string `json:"scheduler"`
}

type ProxyMode string