ingress

Documentation

Index

• Variables
• type Backend
  • func (in *Backend) DeepCopy() *Backend
  • func (in *Backend) DeepCopyInto(out *Backend)
  • func (b1 *Backend) Equal(b2 *Backend) bool
• type Configuration
  • func (c1 *Configuration) Equal(c2 *Configuration) bool
• type CookieSessionAffinity
  • func (in *CookieSessionAffinity) DeepCopy() *CookieSessionAffinity
  • func (in *CookieSessionAffinity) DeepCopyInto(out *CookieSessionAffinity)
  • func (csa1 *CookieSessionAffinity) Equal(csa2 *CookieSessionAffinity) bool
• type Endpoint
  • func (in *Endpoint) DeepCopy() *Endpoint
  • func (in *Endpoint) DeepCopyInto(out *Endpoint)
  • func (e1 *Endpoint) Equal(e2 *Endpoint) bool
• type L4Backend
  • func (l4b1 *L4Backend) Equal(l4b2 *L4Backend) bool
• type L4Service
  • func (e1 *L4Service) Equal(e2 *L4Service) bool
• type Location
  • func (l1 *Location) Equal(l2 *Location) bool
• type ProxyProtocol
• type SSLCert
  • func (s1 *SSLCert) Equal(s2 *SSLCert) bool
  • func (s SSLCert) GetObjectKind() schema.ObjectKind
• type SSLPassthroughBackend
  • func (ptb1 *SSLPassthroughBackend) Equal(ptb2 *SSLPassthroughBackend) bool
• type Server
  • func (s1 *Server) Equal(s2 *Server) bool
• type SessionAffinityConfig
  • func (in *SessionAffinityConfig) DeepCopy() *SessionAffinityConfig
  • func (in *SessionAffinityConfig) DeepCopyInto(out *SessionAffinityConfig)
  • func (sac1 *SessionAffinityConfig) Equal(sac2 *SessionAffinityConfig) bool

Variables

var (
	// DefaultSSLDirectory defines the location where the SSL certificates will be generated
	// This directory contains all the SSL certificates that are specified in Ingress rules.
	// The name of each file is <namespace>-<secret name>.pem. The content is the concatenated
	// certificate and key.
	DefaultSSLDirectory = "/ingress-controller/ssl"
)

Types

type Backend

type Backend struct {
	// Name represents an unique apiv1.Service name formatted as <namespace>-<name>-<port>
	Name    string             `json:"name"`
	Service *apiv1.Service     `json:"service,omitempty"`
	Port    intstr.IntOrString `json:"port"`
	// This indicates if the communication protocol between the backend and the endpoint is HTTP or HTTPS
	// Allowing the use of HTTPS
	// The endpoint/s must provide a TLS connection.
	// The certificate used in the endpoint cannot be a self signed certificate
	Secure bool `json:"secure"`
	// SecureCACert has the filename and SHA1 of the certificate authorities used to validate
	// a secured connection to the backend
	SecureCACert resolver.AuthSSLCert `json:"secureCACert"`
	// SSLPassthrough indicates that Ingress controller will delegate TLS termination to the endpoints.
	SSLPassthrough bool `json:"sslPassthrough"`
	// Endpoints contains the list of endpoints currently running
	Endpoints []Endpoint `json:"endpoints,omitempty"`
	// StickySessionAffinitySession contains the StickyConfig object with stickness configuration
	SessionAffinity SessionAffinityConfig `json:"sessionAffinityConfig"`
	// Consistent hashing by NGINX variable
	UpstreamHashBy string `json:"upstream-hash-by,omitempty"`
}

Backend describes one or more remote server/s (endpoints) associated with a service +k8s:deepcopy-gen=true

func (*Backend) DeepCopy

func (in *Backend) DeepCopy() *Backend

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Backend.

func (*Backend) DeepCopyInto

func (in *Backend) DeepCopyInto(out *Backend)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

func (*Backend) Equal

func (b1 *Backend) Equal(b2 *Backend) bool

Equal tests for equality between two Backend types

type Configuration

type Configuration struct {
	// Backends are a list of backends used by all the Ingress rules in the
	// ingress controller. This list includes the default backend
	Backends []*Backend `json:"backends,omitEmpty"`
	// Servers
	Servers []*Server `json:"servers,omitEmpty"`
	// TCPEndpoints contain endpoints for tcp streams handled by this backend
	// +optional
	TCPEndpoints []L4Service `json:"tcpEndpoints,omitempty"`
	// UDPEndpoints contain endpoints for udp streams handled by this backend
	// +optional
	UDPEndpoints []L4Service `json:"udpEndpoints,omitempty"`
	// PassthroughBackend contains the backends used for SSL passthrough.
	// It contains information about the associated Server Name Indication (SNI).
	// +optional
	PassthroughBackends []*SSLPassthroughBackend `json:"passthroughBackends,omitempty"`
}

Configuration holds the definition of all the parts required to describe all ingresses reachable by the ingress controller (using a filter by namespace)

func (*Configuration) Equal

func (c1 *Configuration) Equal(c2 *Configuration) bool

Equal tests for equality between two Configuration types

type CookieSessionAffinity

type CookieSessionAffinity struct {
	Name      string              `json:"name"`
	Hash      string              `json:"hash"`
	Locations map[string][]string `json:"locations,omitempty"`
}

CookieSessionAffinity defines the structure used in Affinity configured by Cookies. +k8s:deepcopy-gen=true

func (*CookieSessionAffinity) DeepCopy

func (in *CookieSessionAffinity) DeepCopy() *CookieSessionAffinity

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new CookieSessionAffinity.

func (*CookieSessionAffinity) DeepCopyInto

func (in *CookieSessionAffinity) DeepCopyInto(out *CookieSessionAffinity)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

func (*CookieSessionAffinity) Equal

func (csa1 *CookieSessionAffinity) Equal(csa2 *CookieSessionAffinity) bool

Equal tests for equality between two CookieSessionAffinity types

type Endpoint

type Endpoint struct {
	// Address IP address of the endpoint
	Address string `json:"address"`
	// Port number of the TCP port
	Port string `json:"port"`
	// MaxFails returns the number of unsuccessful attempts to communicate
	// allowed before this should be considered dow.
	// Setting 0 indicates that the check is performed by a Kubernetes probe
	MaxFails int `json:"maxFails"`
	// FailTimeout returns the time in seconds during which the specified number
	// of unsuccessful attempts to communicate with the server should happen
	// to consider the endpoint unavailable
	FailTimeout int `json:"failTimeout"`
	// Target returns a reference to the object providing the endpoint
	Target *apiv1.ObjectReference `json:"target,omipempty"`
}

Endpoint describes a kubernetes endpoint in a backend +k8s:deepcopy-gen=true

func (*Endpoint) DeepCopy

func (in *Endpoint) DeepCopy() *Endpoint

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Endpoint.

func (*Endpoint) DeepCopyInto

func (in *Endpoint) DeepCopyInto(out *Endpoint)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

func (*Endpoint) Equal

func (e1 *Endpoint) Equal(e2 *Endpoint) bool

Equal checks the equality against an Endpoint

type L4Backend

type L4Backend struct {
	Port      intstr.IntOrString `json:"port"`
	Name      string             `json:"name"`
	Namespace string             `json:"namespace"`
	Protocol  apiv1.Protocol     `json:"protocol"`
	// +optional
	ProxyProtocol ProxyProtocol `json:"proxyProtocol"`
}

L4Backend describes the kubernetes service behind L4 Ingress service

func (*L4Backend) Equal

func (l4b1 *L4Backend) Equal(l4b2 *L4Backend) bool

Equal tests for equality between two L4Backend types

type L4Service

type L4Service struct {
	// Port external port to expose
	Port int `json:"port"`
	// Backend of the service
	Backend L4Backend `json:"backend"`
	// Endpoints active endpoints of the service
	Endpoints []Endpoint `json:"endpoins,omitEmpty"`
}

L4Service describes a L4 Ingress service.

func (*L4Service) Equal

func (e1 *L4Service) Equal(e2 *L4Service) bool

Equal tests for equality between two L4Service types

type Location

type Location struct {
	// Path is an extended POSIX regex as defined by IEEE Std 1003.1,
	// (i.e this follows the egrep/unix syntax, not the perl syntax)
	// matched against the path of an incoming request. Currently it can
	// contain characters disallowed from the conventional "path"
	// part of a URL as defined by RFC 3986. Paths must begin with
	// a '/'. If unspecified, the path defaults to a catch all sending
	// traffic to the backend.
	Path string `json:"path"`
	// IsDefBackend indicates if service specified in the Ingress
	// contains active endpoints or not. Returning true means the location
	// uses the default backend.
	IsDefBackend bool `json:"isDefBackend"`
	// Ingress returns the ingress from which this location was generated
	Ingress *extensions.Ingress `json:"ingress"`
	// Backend describes the name of the backend to use.
	Backend string `json:"backend"`
	// Service describes the referenced services from the ingress
	Service *apiv1.Service `json:"service,omitempty"`
	// Port describes to which port from the service
	Port intstr.IntOrString `json:"port"`
	// Overwrite the Host header passed into the backend. Defaults to
	// vhost of the incoming request.
	// +optional
	UpstreamVhost string `json:"upstream-vhost"`
	// BasicDigestAuth returns authentication configuration for
	// an Ingress rule.
	// +optional
	BasicDigestAuth auth.Config `json:"basicDigestAuth,omitempty"`
	// Denied returns an error when this location cannot not be allowed
	// Requesting a denied location should return HTTP code 403.
	Denied error `json:"denied,omitempty"`
	// CorsConfig returns the Cors Configuration for the ingress rule
	// +optional
	CorsConfig cors.Config `json:"corsConfig,omitempty"`
	// ExternalAuth indicates the access to this location requires
	// authentication using an external provider
	// +optional
	ExternalAuth authreq.Config `json:"externalAuth,omitempty"`
	// RateLimit describes a limit in the number of connections per IP
	// address or connections per second.
	// The Redirect annotation precedes RateLimit
	// +optional
	RateLimit ratelimit.Config `json:"rateLimit,omitempty"`
	// Redirect describes a temporal o permanent redirection this location.
	// +optional
	Redirect redirect.Config `json:"redirect,omitempty"`
	// Rewrite describes the redirection this location.
	// +optional
	Rewrite rewrite.Config `json:"rewrite,omitempty"`
	// Whitelist indicates only connections from certain client
	// addresses or networks are allowed.
	// +optional
	Whitelist ipwhitelist.SourceRange `json:"whitelist,omitempty"`
	// Proxy contains information about timeouts and buffer sizes
	// to be used in connections against endpoints
	// +optional
	Proxy proxy.Config `json:"proxy,omitempty"`
	// UsePortInRedirects indicates if redirects must specify the port
	// +optional
	UsePortInRedirects bool `json:"usePortInRedirects"`
	// VtsFilterKey contains the vts filter key on the location level
	// https://github.com/vozlt/nginx-module-vts#vhost_traffic_status_filter_by_set_key
	// +optional
	VtsFilterKey string `json:"vtsFilterKey,omitempty"`
	// ConfigurationSnippet contains additional configuration for the backend
	// to be considered in the configuration of the location
	ConfigurationSnippet string `json:"configurationSnippet"`
	// Connection contains connection header to orverride the default Connection header
	// to the request.
	// +optional
	Connection connection.Config `json:"connection"`
	// ClientBodyBufferSize allows for the configuration of the client body
	// buffer size for a specific location.
	// +optional
	ClientBodyBufferSize string `json:"clientBodyBufferSize,omitempty"`
	// DefaultBackend allows the use of a custom default backend for this location.
	// +optional
	DefaultBackend *apiv1.Service `json:"defaultBackend,omitempty"`
	// XForwardedPrefix allows to add a header X-Forwarded-Prefix to the request with the
	// original location.
	// +optional
	XForwardedPrefix bool `json:"xForwardedPrefix,omitempty"`
}

Location describes an URI inside a server. Also contains additional information about annotations in the Ingress.

In some cases when more than one annotations is defined a particular order in the execution is required. The chain in the execution order of annotations should be: - Whitelist - RateLimit - BasicDigestAuth - ExternalAuth - Redirect

func (*Location) Equal

func (l1 *Location) Equal(l2 *Location) bool

Equal tests for equality between two Location types

type ProxyProtocol

type ProxyProtocol struct {
	Decode bool `json:"decode"`
	Encode bool `json:"encode"`
}

ProxyProtocol describes the proxy protocol configuration

type SSLCert

type SSLCert struct {
	metav1.ObjectMeta `json:"metadata,omitempty"`
	Certificate       *x509.Certificate `json:"certificate,omitempty"`
	// CAFileName contains the path to the file with the root certificate
	CAFileName string `json:"caFileName"`
	// PemFileName contains the path to the file with the certificate and key concatenated
	PemFileName string `json:"pemFileName"`
	// FullChainPemFileName contains the path to the file with the certificate and key concatenated
	// This certificate contains the full chain (ca + intermediates + cert)
	FullChainPemFileName string `json:"fullChainPemFileName"`
	// PemSHA contains the sha1 of the pem file.
	// This is used to detect changes in the secret that contains the certificates
	PemSHA string `json:"pemSha"`
	// CN contains all the common names defined in the SSL certificate
	CN []string `json:"cn"`
	// ExpiresTime contains the expiration of this SSL certificate in timestamp format
	ExpireTime time.Time `json:"expires"`
}

SSLCert describes a SSL certificate to be used in a server

func (*SSLCert) Equal

func (s1 *SSLCert) Equal(s2 *SSLCert) bool

Equal tests for equality between two L4Backend types

func (SSLCert) GetObjectKind

func (s SSLCert) GetObjectKind() schema.ObjectKind

GetObjectKind implements the ObjectKind interface as a noop

type SSLPassthroughBackend

type SSLPassthroughBackend struct {
	Service *apiv1.Service     `json:"service,omitEmpty"`
	Port    intstr.IntOrString `json:"port"`
	// Backend describes the endpoints to use.
	Backend string `json:"namespace,omitempty"`
	// Hostname returns the FQDN of the server
	Hostname string `json:"hostname"`
}

SSLPassthroughBackend describes a SSL upstream server configured as passthrough (no TLS termination in the ingress controller) The endpoints must provide the TLS termination exposing the required SSL certificate. The ingress controller only pipes the underlying TCP connection

func (*SSLPassthroughBackend) Equal

func (ptb1 *SSLPassthroughBackend) Equal(ptb2 *SSLPassthroughBackend) bool

Equal tests for equality between two SSLPassthroughBackend types

type Server

type Server struct {
	// Hostname returns the FQDN of the server
	Hostname string `json:"hostname"`
	// SSLPassthrough indicates if the TLS termination is realized in
	// the server or in the remote endpoint
	SSLPassthrough bool `json:"sslPassthrough"`
	// SSLCertificate path to the SSL certificate on disk
	SSLCertificate string `json:"sslCertificate"`
	// SSLFullChainCertificate path to the SSL certificate on disk
	// This certificate contains the full chain (ca + intermediates + cert)
	SSLFullChainCertificate string `json:"sslFullChainCertificate"`
	// SSLExpireTime has the expire date of this certificate
	SSLExpireTime time.Time `json:"sslExpireTime"`
	// SSLPemChecksum returns the checksum of the certificate file on disk.
	// There is no restriction in the hash generator. This checksim can be
	// used to  determine if the secret changed without the use of file
	// system notifications
	SSLPemChecksum string `json:"sslPemChecksum"`
	// Locations list of URIs configured in the server.
	Locations []*Location `json:"locations,omitempty"`
	// Alias return the alias of the server name
	Alias string `json:"alias,omitempty"`
	// RedirectFromToWWW returns if a redirect to/from prefix www is required
	RedirectFromToWWW bool `json:"redirectFromToWWW,omitempty"`
	// CertificateAuth indicates the this server requires mutual authentication
	// +optional
	CertificateAuth authtls.Config `json:"certificateAuth"`
	// ServerSnippet returns the snippet of server
	// +optional
	ServerSnippet string `json:"serverSnippet"`
	// SSLCiphers returns list of ciphers to be enabled
	SSLCiphers string `json:"sslCiphers,omitempty"`
}

Server describes a website

func (*Server) Equal

func (s1 *Server) Equal(s2 *Server) bool

Equal tests for equality between two Server types

type SessionAffinityConfig

type SessionAffinityConfig struct {
	AffinityType          string                `json:"name"`
	CookieSessionAffinity CookieSessionAffinity `json:"cookieSessionAffinity"`
}

SessionAffinityConfig describes different affinity configurations for new sessions. Once a session is mapped to a backend based on some affinity setting, it retains that mapping till the backend goes down, or the ingress controller restarts. Exactly one of these values will be set on the upstream, since multiple affinity values are incompatible. Once set, the backend makes no guarantees about honoring updates. +k8s:deepcopy-gen=true

func (*SessionAffinityConfig) DeepCopy

func (in *SessionAffinityConfig) DeepCopy() *SessionAffinityConfig

DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new SessionAffinityConfig.

func (*SessionAffinityConfig) DeepCopyInto

func (in *SessionAffinityConfig) DeepCopyInto(out *SessionAffinityConfig)

DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.

func (*SessionAffinityConfig) Equal

func (sac1 *SessionAffinityConfig) Equal(sac2 *SessionAffinityConfig) bool

Equal tests for equality between two SessionAffinityConfig types