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This commit is contained in:
Ludovic Fernandez 2019-03-15 09:42:03 +01:00 • committed by Traefiker Bot
parent bd4c822670
commit f1b085fa36
465 changed files with 656 additions and 680 deletions
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230
pkg/config/dyn_config.go Normal file
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package config
import (
"crypto/tls"
"crypto/x509"
"fmt"
"io/ioutil"
"os"
"reflect"
traefiktls "github.com/containous/traefik/pkg/tls"
)
// Router holds the router configuration.
type Router struct {
EntryPoints []string `json:"entryPoints"`
Middlewares []string `json:"middlewares,omitempty" toml:",omitempty"`
Service string `json:"service,omitempty" toml:",omitempty"`
Rule string `json:"rule,omitempty" toml:",omitempty"`
Priority int `json:"priority,omitempty" toml:"priority,omitzero"`
TLS *RouterTLSConfig `json:"tls,omitempty" toml:"tls,omitzero" label:"allowEmpty"`
}
// RouterTLSConfig holds the TLS configuration for a router
type RouterTLSConfig struct{}
// TCPRouter holds the router configuration.
type TCPRouter struct {
EntryPoints []string `json:"entryPoints"`
Service string `json:"service,omitempty" toml:",omitempty"`
Rule string `json:"rule,omitempty" toml:",omitempty"`
TLS *RouterTCPTLSConfig `json:"tls,omitempty" toml:"tls,omitzero" label:"allowEmpty"`
}
// RouterTCPTLSConfig holds the TLS configuration for a router
type RouterTCPTLSConfig struct {
Passthrough bool `json:"passthrough" toml:"passthrough,omitzero"`
}
// LoadBalancerService holds the LoadBalancerService configuration.
type LoadBalancerService struct {
Stickiness *Stickiness `json:"stickiness,omitempty" toml:",omitempty" label:"allowEmpty"`
Servers []Server `json:"servers,omitempty" toml:",omitempty" label-slice-as-struct:"server"`
Method string `json:"method,omitempty" toml:",omitempty"`
HealthCheck *HealthCheck `json:"healthCheck,omitempty" toml:",omitempty"`
PassHostHeader bool `json:"passHostHeader" toml:",omitempty"`
ResponseForwarding *ResponseForwarding `json:"forwardingResponse,omitempty" toml:",omitempty"`
}
// TCPLoadBalancerService holds the LoadBalancerService configuration.
type TCPLoadBalancerService struct {
Servers []TCPServer `json:"servers,omitempty" toml:",omitempty" label-slice-as-struct:"server"`
Method string `json:"method,omitempty" toml:",omitempty"`
}
// Mergeable tells if the given service is mergeable.
func (l *LoadBalancerService) Mergeable(loadBalancer *LoadBalancerService) bool {
savedServers := l.Servers
defer func() {
l.Servers = savedServers
}()
l.Servers = nil
savedServersLB := loadBalancer.Servers
defer func() {
loadBalancer.Servers = savedServersLB
}()
loadBalancer.Servers = nil
return reflect.DeepEqual(l, loadBalancer)
}
// SetDefaults Default values for a LoadBalancerService.
func (l *LoadBalancerService) SetDefaults() {
l.PassHostHeader = true
l.Method = "wrr"
}
// ResponseForwarding holds configuration for the forward of the response.
type ResponseForwarding struct {
FlushInterval string `json:"flushInterval,omitempty" toml:",omitempty"`
}
// Stickiness holds the stickiness configuration.
type Stickiness struct {
CookieName string `json:"cookieName,omitempty" toml:",omitempty"`
}
// Server holds the server configuration.
type Server struct {
URL string `json:"url" label:"-"`
Scheme string `toml:"-" json:"-"`
Port string `toml:"-" json:"-"`
Weight int `json:"weight"`
}
// TCPServer holds a TCP Server configuration
type TCPServer struct {
Address string `json:"address" label:"-"`
Weight int `json:"weight"`
}
// SetDefaults Default values for a Server.
func (s *Server) SetDefaults() {
s.Weight = 1
s.Scheme = "http"
}
// HealthCheck holds the HealthCheck configuration.
type HealthCheck struct {
Scheme string `json:"scheme,omitempty" toml:",omitempty"`
Path string `json:"path,omitempty" toml:",omitempty"`
Port int `json:"port,omitempty" toml:",omitempty,omitzero"`
// FIXME change string to parse.Duration
Interval string `json:"interval,omitempty" toml:",omitempty"`
// FIXME change string to parse.Duration
Timeout string `json:"timeout,omitempty" toml:",omitempty"`
Hostname string `json:"hostname,omitempty" toml:",omitempty"`
Headers map[string]string `json:"headers,omitempty" toml:",omitempty"`
}
// CreateTLSConfig creates a TLS config from ClientTLS structures.
func (clientTLS *ClientTLS) CreateTLSConfig() (*tls.Config, error) {
if clientTLS == nil {
return nil, nil
}
var err error
caPool := x509.NewCertPool()
clientAuth := tls.NoClientCert
if clientTLS.CA != "" {
var ca []byte
if _, errCA := os.Stat(clientTLS.CA); errCA == nil {
ca, err = ioutil.ReadFile(clientTLS.CA)
if err != nil {
return nil, fmt.Errorf("failed to read CA. %s", err)
}
} else {
ca = []byte(clientTLS.CA)
}
if !caPool.AppendCertsFromPEM(ca) {
return nil, fmt.Errorf("failed to parse CA")
}
if clientTLS.CAOptional {
clientAuth = tls.VerifyClientCertIfGiven
} else {
clientAuth = tls.RequireAndVerifyClientCert
}
}
cert := tls.Certificate{}
_, errKeyIsFile := os.Stat(clientTLS.Key)
if !clientTLS.InsecureSkipVerify && (len(clientTLS.Cert) == 0 || len(clientTLS.Key) == 0) {
return nil, fmt.Errorf("TLS Certificate or Key file must be set when TLS configuration is created")
}
if len(clientTLS.Cert) > 0 && len(clientTLS.Key) > 0 {
if _, errCertIsFile := os.Stat(clientTLS.Cert); errCertIsFile == nil {
if errKeyIsFile == nil {
cert, err = tls.LoadX509KeyPair(clientTLS.Cert, clientTLS.Key)
if err != nil {
return nil, fmt.Errorf("failed to load TLS keypair: %v", err)
}
} else {
return nil, fmt.Errorf("tls cert is a file, but tls key is not")
}
} else {
if errKeyIsFile != nil {
cert, err = tls.X509KeyPair([]byte(clientTLS.Cert), []byte(clientTLS.Key))
if err != nil {
return nil, fmt.Errorf("failed to load TLS keypair: %v", err)
}
} else {
return nil, fmt.Errorf("TLS key is a file, but tls cert is not")
}
}
}
return &tls.Config{
Certificates: []tls.Certificate{cert},
RootCAs: caPool,
InsecureSkipVerify: clientTLS.InsecureSkipVerify,
ClientAuth: clientAuth,
}, nil
}
// Message holds configuration information exchanged between parts of traefik.
type Message struct {
ProviderName string
Configuration *Configuration
}
// Configuration is the root of the dynamic configuration
type Configuration struct {
HTTP *HTTPConfiguration
TCP *TCPConfiguration
TLS []*traefiktls.Configuration `json:"-" label:"-"`
TLSOptions map[string]traefiktls.TLS
TLSStores map[string]traefiktls.Store
}
// Configurations is for currentConfigurations Map.
type Configurations map[string]*Configuration
// HTTPConfiguration FIXME better name?
type HTTPConfiguration struct {
Routers map[string]*Router `json:"routers,omitempty" toml:",omitempty"`
Middlewares map[string]*Middleware `json:"middlewares,omitempty" toml:",omitempty"`
Services map[string]*Service `json:"services,omitempty" toml:",omitempty"`
}
// TCPConfiguration FIXME better name?
type TCPConfiguration struct {
Routers map[string]*TCPRouter `json:"routers,omitempty" toml:",omitempty"`
Services map[string]*TCPService `json:"services,omitempty" toml:",omitempty"`
}
// Service holds a service configuration (can only be of one type at the same time).
type Service struct {
LoadBalancer *LoadBalancerService `json:"loadbalancer,omitempty" toml:",omitempty,omitzero"`
}
// TCPService holds a tcp service configuration (can only be of one type at the same time).
type TCPService struct {
LoadBalancer *TCPLoadBalancerService `json:"loadbalancer,omitempty" toml:",omitempty,omitzero"`
}