/
configurator.go
3250 lines (2955 loc) · 117 KB
/
configurator.go
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/*
Copyright IBM Corporation 2021.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package nginx
import (
"bytes"
"crypto/x509"
"encoding/pem"
"fmt"
"os"
"strconv"
"strings"
"sync"
"github.com/IBM-Cloud/iks-ingress-controller/nginx-controller/internal"
"github.com/IBM-Cloud/iks-ingress-controller/nginx-controller/parser"
"github.com/golang/glog"
api "k8s.io/api/core/v1"
networking "k8s.io/api/networking/v1beta1"
"k8s.io/apimachinery/pkg/util/intstr"
"k8s.io/client-go/kubernetes"
)
const (
emptyHost = ""
oneWaySSLAuthentication = "OneWaySSLAuthentication"
twoWaySSLAuthentication = "TwoWaySSLAuthentication"
valueTrue = "TRUE"
valueFalse = "FALSE"
appIDRequestTypeCheck = "web"
// FrontendRole ...
FrontendRole = "frontend"
// AllIngressServiceName ...
AllIngressServiceName = "fd-k8-all"
)
var (
// SnortUpstreamServers used for Snort, if adding new snort container update this Object
SnortUpstreamServers = Upstream{
Name: "proxy_snort", UpstreamServers: []UpstreamServer{
{
Address: "127.0.0.1",
Port: "7481",
},
{
Address: "127.0.0.1",
Port: "7482",
},
{
Address: "127.0.0.1",
Port: "7483",
},
},
}
ingressPodCount = 2
)
// IsDefaultServerConfGlobal ...
var IsDefaultServerConfGlobal = true
// Configurator transforms an Ingress resource into NGINX Configuration
type Configurator struct {
nginx *IngressNginxController
config *Config
lock sync.Mutex
kubeClient kubernetes.Interface
}
// ProxyPems ...
type ProxyPems struct {
commonName string
sslAuthentication string
proxySslTrustedCertificateFile string
proxySslCertificateFile string
proxySslCertificateKeyFile string
proxySslVerifyDepth int
}
type externalsvc struct {
path string
host string
svc string
isssl bool
}
// SSLServicesData holds the value of the attrtibutes parsed from the ssl-services annotation of Ingresses
type SSLServicesData struct {
SecretName string
ProxySSLVerifyDepth int
ProxySSLName string
}
// NewConfigurator creates a new Configurator
func NewConfigurator(nginx *IngressNginxController, config *Config, kubeClient kubernetes.Interface) *Configurator {
cnf := Configurator{
nginx: nginx,
config: config,
kubeClient: kubeClient,
}
return &cnf
}
// GetNginxCertsPath ...
func (cnf *Configurator) GetNginxCertsPath() string {
return cnf.nginx.nginxCertsPath
}
// AddOrUpdateDHParam ...
func (cnf *Configurator) AddOrUpdateDHParam(content string) (string, error) {
return cnf.nginx.AddOrUpdateDHParam(content)
}
// AddOrUpdateIngress adds or updates NGINX configuration for an Ingress resource
func (cnf *Configurator) AddOrUpdateIngress(name string, ingEx *IngressEx) {
cnf.lock.Lock()
defer cnf.lock.Unlock()
pems := cnf.updateCertificates(ingEx)
cnf.generateNginxStreamCfg(name, ingEx)
nginxCfg := cnf.generateNginxCfg(ingEx, pems)
cnf.nginx.AddOrUpdateIngress(name, nginxCfg)
rm := internal.ResourceManager{
Client: cnf.kubeClient}
if err := cnf.nginx.Reload(); err != nil {
glog.Errorf("Error when adding or updating ingress %q: %q", name, err)
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "E0004",
Ing: ingEx.Ingress,
OverwriteMsg: err.Error(),
})
} else {
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "S0001",
Ing: ingEx.Ingress,
})
}
}
// GetPodScale ...
func (cnf *Configurator) GetPodScale() int {
return ingressPodCount
}
// SetPodScale ...
func (cnf *Configurator) SetPodScale(PodVal int) {
glog.V(4).Info("Setting pod scale in configurator")
cnf.lock.Lock()
defer cnf.lock.Unlock()
ingressPodCount = PodVal
}
func (cnf *Configurator) updateCertificates(ingEx *IngressEx) map[string]string {
pems := make(map[string]string)
rm := internal.ResourceManager{
Client: cnf.kubeClient}
for _, tls := range ingEx.Ingress.Spec.TLS {
secretName := tls.SecretName
secret, exist := ingEx.Secrets[secretName]
if !exist {
continue
}
cert, ok := secret.Data[api.TLSCertKey]
if !ok {
glog.Warningf("Secret %v has no 'tls.crt'", secretName)
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "E0005",
Ing: ingEx.Ingress,
})
continue
}
key, ok := secret.Data[api.TLSPrivateKeyKey]
if !ok {
glog.Warningf("Secret %v has no 'tls.key'", secretName)
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "E0006",
Ing: ingEx.Ingress,
})
continue
}
name := ingEx.Ingress.Namespace + "-" + secretName
pemFileName := cnf.nginx.AddOrUpdateCertAndKey(name, string(cert), string(key), "")
for _, host := range tls.Hosts {
pems[host] = pemFileName
}
if len(tls.Hosts) == 0 {
pems[emptyHost] = pemFileName
}
}
return pems
}
func (cnf *Configurator) updateMutualAuthCertificates(ingEx *IngressEx, secretName string, serverName string) map[string]string {
pems := make(map[string]string)
name := ingEx.Ingress.Namespace + "-" + secretName
rm := internal.ResourceManager{
Client: cnf.kubeClient}
secret, exist := ingEx.Secrets[secretName]
if !exist {
glog.Errorf("updateMutualAuthCertificates: Secret %v does not exist", secretName)
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "E0007",
Ing: ingEx.Ingress,
})
return pems
}
ca, ok := secret.Data["ca.crt"]
if !ok {
glog.Infof("updateMutualAuthCertificates: Secret %v has no 'ca.crt', defaulting to 'tls.crt'.", secretName)
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "E0008",
Ing: ingEx.Ingress,
})
ca, ok = secret.Data[api.TLSCertKey]
if !ok {
glog.Errorf("updateMutualAuthCertificates: Secret %v has no 'tls.crt'", secretName)
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "E0009",
Ing: ingEx.Ingress,
})
return pems
}
pemFileName := cnf.nginx.AddOrUpdateCertAndKey(name, "", "", string(ca))
pems[serverName] = pemFileName
return pems
}
// Add the tls certs for tls if they exist
serverCert, okCert := secret.Data[api.TLSCertKey]
serverKey, okKey := secret.Data[api.TLSPrivateKeyKey]
if okCert && okKey {
glog.Infof("updateMutualAuthCertificates: TLS Cert and Private Key have been provided in %s.", secretName)
}
pemFileName := cnf.nginx.AddOrUpdateCertAndKey(name, string(serverCert), string(serverKey), string(ca))
pems[serverName] = pemFileName
return pems
}
func (cnf *Configurator) generateNginxStreamCfg(name string, ingEx *IngressEx) {
ingCfg := *cnf.config
if StreamAnnotation, exists := ingEx.Ingress.Annotations["ingress.bluemix.net/tcp-ports"]; exists {
ingCfg.Stream = StreamAnnotation
} else {
//delete the file if no tcp-ports is found
filename := cnf.nginx.getIngressNginxStreamConfigFileName(name)
RemoveFileIfExist(filename)
return
}
//get stream config
if CfgStream, err := ParseStreamConfigs(ingCfg.Stream); err != nil {
glog.Error(err)
} else {
upstreams := make(map[string]Upstream)
for i, cfg := range CfgStream {
upsName := getNameForUpstream(ingEx.Ingress, "stream", cfg.ServiceName)
var backend networking.IngressBackend
backend.ServiceName = cfg.ServiceName
backend.ServicePort.StrVal = cfg.ServicePort
backend.ServicePort = intstr.FromString(cfg.ServicePort)
(&CfgStream[i]).ServiceName = upsName
if _, exists := upstreams[upsName]; !exists {
upstream := cnf.createUpstream(ingEx, upsName, &backend, ingEx.Ingress.Namespace, "", cfg.ServiceName)
upstreams[upsName] = upstream
}
}
cnf.nginx.AddOrUpdateIngressStream(name, CfgStream, upstreams)
}
}
func (cnf *Configurator) generateNginxCfg(ingEx *IngressEx, pems map[string]string) IngressNginxConfig {
ingCfg := cnf.createConfig(ingEx)
var err error
upstreams := make(map[string]Upstream)
var istioIngressUpstream []Upstream
wsServices := getWebsocketServices(ingEx)
spServices := getSessionPersistenceServices(ingEx)
rewrites := getRewrites(ingEx)
proxySslPems := make(map[string]ProxyPems)
if ingEx.IsUpsreamSSLs {
glog.V(4).Infof("ssl-service is available")
proxySslPems = cnf.updateProxyCertificates(ingEx)
} else {
glog.V(4).Infof("There is no ssl-service")
}
// TODO: All these annotations must be moved to handlers
iamAuthService, iamAuthClientID, iamAuthClientSecret, iamAuthClientSecretNS, iamAuthRedirectURL, iamAuthPresent, iamAuthEnableAll := getUIIAM(ingEx)
iamCliAuthService, iamCliAllSvc, annotationExists := getCLIIAM(ingEx)
wtAuthURL := getWatsonAuthURL(ingEx)
wtAuthServices, wtSecondaryHosts, wtSecondaryIngress, wtUpstreamSvcs, wtPresent := getWatsonAuth(ingEx, cnf) //this has been moved to handler
statsdEnabled := getCarrierLocationEnable(ingEx)
proxyUpstreamValues, proxyUpstreamTimeout, proxyUpstreamTries := getProxyNextUpstream(ingEx)
extSvcs := getExtSvcs(ingEx)
// annotations
serviceRatelimitAnnotation, serviceRatelimitAnnotationExists := cnf.GetAnnotationModel("ingress.bluemix.net/service-rate-limit", ingEx)
var serviceratelimits []RateLimitZone
var serviceRateLimitErr error
if serviceRatelimitAnnotationExists {
serviceratelimits, serviceRateLimitErr = handleLocRateLimitZones(serviceRatelimitAnnotation, ingressPodCount, ingEx.Ingress.Name)
if serviceRateLimitErr != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/service-rate-limit", serviceRateLimitErr),
})
}
glog.V(3).Infof("service rate limits %v", serviceratelimits)
}
connectTimeoutAnnotation, connectAnnotationExists := cnf.GetAnnotationModel("ingress.bluemix.net/proxy-connect-timeout", ingEx)
readTimeoutAnnotation, readAnnotationExists := cnf.GetAnnotationModel("ingress.bluemix.net/proxy-read-timeout", ingEx)
proxyBuffersAnnotation, proxyBuffersAnnotationExists := cnf.GetAnnotationModel("ingress.bluemix.net/proxy-buffers", ingEx)
proxyBufferingAnnotation, proxyBufferingAnnotationExists := cnf.GetAnnotationModel("ingress.bluemix.net/proxy-buffering", ingEx)
proxyBufferSizeAnnotation, proxyBufferSizeAnnotationExists := cnf.GetAnnotationModel("ingress.bluemix.net/proxy-buffer-size", ingEx)
addHostPortAnnotation, addHostPortAnnotationExists := cnf.GetAnnotationModel("ingress.bluemix.net/add-host-port", ingEx)
proxyBusyBufferSizeAnnotation, proxyBusyBufferSizeAnnotationExists := cnf.GetAnnotationModel("ingress.bluemix.net/proxy-busy-buffers-size", ingEx)
clientMaxBodySizeAnnotation, clientMaxBodySizeAnnotationExists := cnf.GetAnnotationModel("ingress.bluemix.net/client-max-body-size", ingEx)
globalRatelimitAnnotation, globalRatelimitAnnotationExists := cnf.GetAnnotationModel("ingress.bluemix.net/global-rate-limit", ingEx)
keepAliveRequestsAnnotation, keepAliveRequestsExists := cnf.GetAnnotationModel("ingress.bluemix.net/keepalive-requests", ingEx)
keepAliveTimeoutAnnotation, keepAliveTimeoutExists := cnf.GetAnnotationModel("ingress.bluemix.net/keepalive-timeout", ingEx)
customPortAnnotation, customPortAnnotationExists := cnf.GetAnnotationModel("ingress.bluemix.net/custom-port", ingEx)
mutualAuthAnnotation, mutualAuthAnnotationExists := cnf.GetAnnotationModel("ingress.bluemix.net/mutual-auth", ingEx)
largeClientHeaderBuffersAnnotation, largeClientHeaderBuffersAnnotationExists := cnf.GetAnnotationModel("ingress.bluemix.net/large-client-header-buffers", ingEx)
appIDAuthAnnotation, appIDAuthAnnotationExists := cnf.GetAnnotationModel("ingress.bluemix.net/appid-auth", ingEx)
locationModifierAnnotation, locationModifierExists := cnf.GetAnnotationModel("ingress.bluemix.net/location-modifier", ingEx)
defaultServerAnnotation, defaultServerExists := cnf.GetAnnotationModel("ingress.bluemix.net/default-server", ingEx)
proxySetHeaders := getHeaders(ingEx, "ingress.bluemix.net/proxy-add-headers")
moreSetHeaders := getHeaders(ingEx, "ingress.bluemix.net/response-add-headers")
moreClearHeaders := getHeaders(ingEx, "ingress.bluemix.net/response-remove-headers")
customLocErrors, globalCustomErrors, handlerErr := handleCustomErrors(ingEx)
if handlerErr != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/custom-errors", handlerErr),
})
}
var customErrAction []CustomErrorActions
if customErrSnippet, exists, getErr := GetMapKeyAsStringSlice(ingEx.Ingress.Annotations, "ingress.bluemix.net/custom-error-actions", ingEx.Ingress, "\n"); exists {
if getErr != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/custom-error-actions", getErr),
})
glog.Error(getErr)
} else {
customErrAction = handleCustomErrActions(customErrSnippet, ingEx.Ingress.Name, "ingress.bluemix.net/custom-error-actions", "<EOS>")
}
}
if ingEx.Ingress.Spec.Backend != nil {
name := getNameForUpstream(ingEx.Ingress, emptyHost, ingEx.Ingress.Spec.Backend.ServiceName)
upstream := cnf.createUpstream(ingEx, name, ingEx.Ingress.Spec.Backend, ingEx.Ingress.Namespace, spServices[ingEx.Ingress.Spec.Backend.ServiceName], ingEx.Ingress.Spec.Backend.ServiceName)
//if watson pre-auth service then don't add it to the upstream services
if wtAuthServices[ingEx.Ingress.Spec.Backend.ServiceName] {
glog.V(3).Infof("service(%s) has no backend", ingEx.Ingress.Spec.Backend.ServiceName)
} else {
upstreams[name] = upstream
}
}
keepAliveRequests := make(map[string]string)
if keepAliveRequestsExists {
keepAliveRequests, err = handleKeepAliveRequests(keepAliveRequestsAnnotation)
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/keepalive-requests", err),
})
}
}
keepAliveTimeout := make(map[string]string)
if keepAliveTimeoutExists {
keepAliveTimeout, err = handleKeepAliveTimeout(keepAliveTimeoutAnnotation)
if err != nil {
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/keepalive-timeout", err),
})
}
}
}
var servers []Server
var globalRateLimitZones []RateLimitZone
rootLocationCreated := false
for _, rule := range ingEx.Ingress.Spec.Rules {
isExtSvcInHost := false
for _, extSvc := range extSvcs {
if extSvc.host == rule.Host {
isExtSvcInHost = true
break
}
}
// TODO: Refactor this
if (rule.IngressRuleValue.HTTP == nil && !isExtSvcInHost) && (ingEx.Ingress.Namespace != "kube-system" && ingEx.Ingress.Name != "alb-health") {
continue
}
serverName := rule.Host
if rule.Host == emptyHost {
glog.Warningf("Host field of ingress rule in %v/%v is empty", ingEx.Ingress.Namespace, ingEx.Ingress.Name)
}
if globalRatelimitAnnotationExists {
globalRateLimitZones, err = handleGlobalRatelimitzones(globalRatelimitAnnotation, ingressPodCount, ingEx.Ingress.Name)
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/global-rate-limit", err),
})
}
}
server := Server{
Name: serverName,
ServerTokens: ingCfg.ServerTokens,
HTTP2: ingCfg.HTTP2,
RedirectToHTTPS: ingCfg.RedirectToHTTPS,
ProxyProtocol: ingCfg.ProxyProtocol,
HSTS: ingCfg.HSTS,
HSTSMaxAge: ingCfg.HSTSMaxAge,
HSTSIncludeSubdomains: ingCfg.HSTSIncludeSubdomains,
IamGlobalEndpoint: ingCfg.IamGlobalEndpoint,
RealIPHeader: ingCfg.RealIPHeader,
SetRealIPFrom: ingCfg.SetRealIPFrom,
RealIPRecursive: ingCfg.RealIPRecursive,
ProxyHideHeaders: ingCfg.ProxyHideHeaders,
ProxyPassHeaders: ingCfg.ProxyPassHeaders,
ServerSnippets: ingCfg.ServerSnippets,
GlobalSerRateLimitZones: globalRateLimitZones,
OptionLocation: false,
WatsonAuthLocation: wtAuthURL,
IamAuthLocation: iamAuthPresent,
AppIDEnabled: false,
IamCliAuthLocation: annotationExists,
IamAllCliAuthLocation: iamCliAllSvc,
KeepAliveTimeout: keepAliveTimeout[""],
KeepAliveRequests: keepAliveRequests[""],
GlobalCustomErrors: globalCustomErrors,
ErrorActions: customErrAction,
LargeClientHeaderBuffers: ingCfg.LargeClientHeaderBuffers,
IamLogoutEnabled: false,
}
if pemFile, ok := pems[serverName]; ok {
server.SSL = true
server.SSLCertificate = pemFile
server.SSLCertificateKey = pemFile
}
if customPortAnnotationExists {
customPort, getErr := handleCustomPort(customPortAnnotation, ingEx.Ingress.GetName(), serverName)
if getErr != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/custom-port", getErr),
})
}
if customPort[serverName] != nil {
httpCount := 0
httpsCount := 0
protocols := customPort[serverName]
for _, protocol := range protocols {
if protocol.Protocol == "http" {
server.HTTPPort = protocol.Port
httpCount = httpCount + 1
} else if protocol.Protocol == "https" {
server.HTTPSPort = protocol.Port
httpsCount = httpsCount + 1
}
}
if httpCount > 1 {
glog.Infof("Multiple HTTP protocols specified for host %v, using port %v for HTTP", serverName, server.HTTPPort)
}
if httpsCount > 1 {
glog.Infof("Multiple HTTPS protocols specified for host %v, using port %v for HTTPS", serverName, server.HTTPPort)
}
}
}
var mutualAuthServices []string
if mutualAuthAnnotationExists {
mutualAuth, _, getErr := HandleMutualAuth(mutualAuthAnnotation, ingEx.Ingress.GetName(), serverName)
if getErr != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. Error %v", "ingress.bluemix.net/mutual-auth", getErr),
})
}
if mutualAuth[serverName] != nil {
mutualPems := cnf.updateMutualAuthCertificates(ingEx, mutualAuth[serverName][1], serverName)
if mutualPems[serverName] != "" {
server.MutualAuthPort = mutualAuth[serverName][0]
server.SSLClientCertificate = mutualPems[serverName]
if server.HTTPSPort == server.MutualAuthPort || server.HTTPPort == server.MutualAuthPort {
glog.Errorf("Port %v cannot be the same for both HTTP/HTTPS and Mutual Auth. Mutual Auth will not be enabled.", server.MutualAuthPort)
} else {
glog.Infof("Mutual Auth enabled on port %v for host %v.", server.MutualAuthPort, serverName)
}
}
}
}
if largeClientHeaderBuffersAnnotationExists {
largeClientHeaderBuffers, getErr := handleLargeClientHeaderBuffers(largeClientHeaderBuffersAnnotation, serverName)
if getErr != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/large-client-header-buffers", getErr),
})
}
if largeClientHeaderBuffers[serverName] != "" {
server.LargeClientHeaderBuffers = largeClientHeaderBuffers[serverName]
}
}
if defaultServerExists {
defaultServer, getErr := handleDefaultServer(defaultServerAnnotation)
if getErr != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/default-server", getErr),
})
} else {
server.IsDefaultServer = defaultServer
if defaultServer == true {
IsDefaultServerConfGlobal = false
mainCfg := &IngressNginxMainConfig{
IsDefaultServerConf: IsDefaultServerConfGlobal,
Backlog: ingCfg.Backlog,
ReusePort: ingCfg.ReusePort,
}
cnf.nginx.UpdateDefaultConfFile(mainCfg)
}
}
}
var locations []Location
rootLocation := false
var locationRateLimitZones []RateLimitZone
var locProxyConnectTimeout, locProxyReadTimeout, clientMaxBodySize, proxyBufferSize, proxyBusyBufferSize string
var proxyBuffers ProxyBuffer
var locProxyBuffering bool
var locHostPort bool
var locationModifier string
var iamLogout bool
// AppId
appIDSecret := ""
appIDSecretNamespace := ""
appIDRequestType := ""
appIDToken := true
if isExtSvcInHost {
for _, extSvc := range extSvcs {
if extSvc.host == rule.Host {
sslAuthentication := false
sslTwoWayAuthentication := false
plainSSLAuthentication := true
if extSvc.isssl {
glog.V(3).Infof("ext-svc %v is a ssl-service ", extSvc.svc)
if proxySslPems[extSvc.svc].sslAuthentication == oneWaySSLAuthentication {
sslAuthentication = true
plainSSLAuthentication = false
} else {
if proxySslPems[extSvc.svc].sslAuthentication == twoWaySSLAuthentication {
sslAuthentication = true
sslTwoWayAuthentication = true
plainSSLAuthentication = false
}
}
} else {
glog.V(3).Infof("ext-svc %v is not ssl-service ", extSvc.svc)
}
locationRateLimitZones = getRatelimitZonesForService(serviceratelimits, extSvc.svc)
if connectAnnotationExists {
if locProxyConnectTimeout, err = handleLocProxyTimeout(connectTimeoutAnnotation, extSvc.svc); locProxyConnectTimeout == "" {
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/proxy-connect-timeout", err),
})
}
locProxyConnectTimeout = ingCfg.ProxyConnectTimeout
}
} else {
locProxyConnectTimeout = ingCfg.ProxyConnectTimeout
}
if readAnnotationExists {
if locProxyReadTimeout, err = handleLocProxyTimeout(readTimeoutAnnotation, extSvc.svc); locProxyReadTimeout == "" {
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/proxy-read-timeout", err),
})
}
locProxyReadTimeout = ingCfg.ProxyReadTimeout
}
} else {
locProxyReadTimeout = ingCfg.ProxyReadTimeout
}
if proxyBufferSizeAnnotationExists {
proxyBufferSize, err = handleLocProxyBufferSize(proxyBufferSizeAnnotation, extSvc.svc)
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/proxy-buffer-size", err),
})
}
}
if proxyBusyBufferSizeAnnotationExists {
proxyBusyBufferSize, err = handleLocProxyBufferSize(proxyBusyBufferSizeAnnotation, extSvc.svc)
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/proxy-busy-buffers-size", err),
})
}
}
if proxyBuffersAnnotationExists {
proxyBuffers.Size, proxyBuffers.Number, err = handleLocProxyBuffers(proxyBuffersAnnotation, extSvc.svc)
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/proxy-buffers", err),
})
}
}
if proxyBufferingAnnotationExists {
locProxyBuffering, err = handleLocProxyBuffering(proxyBufferingAnnotation, extSvc.svc)
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/proxy-buffering", err),
})
}
} else {
locProxyBuffering = ingCfg.ProxyBuffering
}
if clientMaxBodySizeAnnotationExists {
if clientMaxBodySize, err = handleLocClientMaxBodySize(clientMaxBodySizeAnnotation, extSvc.svc); clientMaxBodySize == "" {
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/client-max-body-size", err),
})
}
clientMaxBodySize = ingCfg.ClientMaxBodySize
}
} else {
clientMaxBodySize = ingCfg.ClientMaxBodySize
}
if locationModifierExists {
locationModifier, err = handleLocationModifier(locationModifierAnnotation, extSvc.svc)
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/location-modifier", err),
})
}
}
extDNSResolver := os.Getenv("EXT_DNS_RESOLVER")
glog.Infof("extDNSResolver in configurator - %s ", extDNSResolver)
extloc := createExtSvcLocation(pathOrDefault(extSvc.path),
&ingCfg,
extSvc.svc,
sslAuthentication,
sslTwoWayAuthentication,
proxySslPems[extSvc.svc].proxySslTrustedCertificateFile,
proxySslPems[extSvc.svc].proxySslCertificateFile,
proxySslPems[extSvc.svc].proxySslCertificateKeyFile,
proxySslPems[extSvc.svc].proxySslVerifyDepth,
locationRateLimitZones,
ingCfg.LocationSnippets[extSvc.svc],
proxyUpstreamValues[extSvc.svc],
proxyUpstreamTimeout[extSvc.svc],
proxyUpstreamTries[extSvc.svc],
plainSSLAuthentication,
locProxyConnectTimeout,
locProxyReadTimeout,
clientMaxBodySize,
customLocErrors[extSvc.svc],
proxyBufferSize,
proxyBuffers,
proxyBusyBufferSize,
extDNSResolver,
locProxyBuffering,
locationModifier,
ingEx.UpstreamSSLData[extSvc.svc].ProxySSLConfig.ProxySSLName,
)
locations = append(locations, extloc)
glog.Infof("external svc identified for this host")
}
}
}
if rule.HTTP != nil {
// Retreieve insgress istio ingress upstreams
istioIngressUpstream = cnf.createIstioIngressUpstream(ingEx, rule.Host)
for _, path := range rule.HTTP.Paths {
setOptions := false
sslAuthentication := false
sslTwoWayAuthentication := false
plainSSLAuthentication := true
upsName := getNameForUpstream(ingEx.Ingress, rule.Host, path.Backend.ServiceName)
// check whether the upstream for the backend has already been populated in istioIngressUpstream array
// if yes then populate in upstreams map ,if not then the backend is not istio enabled .
istioIngressUpstreamFound := false
for _, elem := range istioIngressUpstream {
if elem.Name == upsName {
istioIngressUpstreamFound = true
upstreams[elem.Name] = elem
break
}
}
if _, exists := upstreams[upsName]; !exists && !istioIngressUpstreamFound {
upstream := cnf.createUpstream(ingEx, upsName, &path.Backend, ingEx.Ingress.Namespace, spServices[path.Backend.ServiceName], path.Backend.ServiceName)
if wtAuthServices[path.Backend.ServiceName] {
glog.V(3).Infof("service(%s) has no backend in rule.http", path.Backend.ServiceName)
} else {
upstreams[upsName] = upstream
}
}
locationRateLimitZones = getRatelimitZonesForService(serviceratelimits, path.Backend.ServiceName)
if _, ok := ingEx.UpstreamSSLData[path.Backend.ServiceName]; ok {
glog.V(3).Infof("writing ssl-service %v location", path.Backend.ServiceName)
ingEx.IsUpsreamSSLs = true
if proxySslPems[path.Backend.ServiceName].sslAuthentication == oneWaySSLAuthentication {
sslAuthentication = true
plainSSLAuthentication = false
} else {
if proxySslPems[path.Backend.ServiceName].sslAuthentication == twoWaySSLAuthentication {
sslAuthentication = true
sslTwoWayAuthentication = true
plainSSLAuthentication = false
}
}
} else {
if proxySslPems[path.Backend.ServiceName].sslAuthentication == "PlainSSLAuthentication" {
glog.V(3).Infof("writing plain ssl-service %v location", path.Backend.ServiceName)
ingEx.IsUpsreamSSLs = true
sslAuthentication = true
} else {
glog.V(3).Infof("writing non ssl-service %v location", path.Backend.ServiceName)
ingEx.IsUpsreamSSLs = false
}
}
if connectAnnotationExists {
if locProxyConnectTimeout, err = handleLocProxyTimeout(connectTimeoutAnnotation, path.Backend.ServiceName); locProxyConnectTimeout == "" {
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/proxy-connect-timeout", err),
})
}
locProxyConnectTimeout = ingCfg.ProxyConnectTimeout
}
} else {
locProxyConnectTimeout = ingCfg.ProxyConnectTimeout
}
if readAnnotationExists {
if locProxyReadTimeout, err = handleLocProxyTimeout(readTimeoutAnnotation, path.Backend.ServiceName); locProxyReadTimeout == "" {
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/proxy-read-timeout", err),
})
}
locProxyReadTimeout = ingCfg.ProxyReadTimeout
}
} else {
locProxyReadTimeout = ingCfg.ProxyReadTimeout
}
if proxyBufferSizeAnnotationExists {
proxyBufferSize, err = handleLocProxyBufferSize(proxyBufferSizeAnnotation, path.Backend.ServiceName)
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/proxy-buffer-size", err),
})
}
}
if proxyBusyBufferSizeAnnotationExists {
proxyBusyBufferSize, err = handleLocProxyBufferSize(proxyBusyBufferSizeAnnotation, path.Backend.ServiceName)
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/proxy-busy-buffers-size", err),
})
}
}
if proxyBuffersAnnotationExists {
proxyBuffers.Size, proxyBuffers.Number, err = handleLocProxyBuffers(proxyBuffersAnnotation, path.Backend.ServiceName)
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/proxy-buffers", err),
})
}
}
if clientMaxBodySizeAnnotationExists {
if clientMaxBodySize, err = handleLocClientMaxBodySize(clientMaxBodySizeAnnotation, path.Backend.ServiceName); clientMaxBodySize == "" {
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/client-max-body-size", err),
})
}
clientMaxBodySize = ingCfg.ClientMaxBodySize
}
} else {
clientMaxBodySize = ingCfg.ClientMaxBodySize
}
if appIDAuthAnnotationExists {
appIDSecret, appIDSecretNamespace, appIDRequestType, appIDToken, err = handleAppIDAuth(appIDAuthAnnotation, path.Backend.ServiceName)
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/appid-auth", err),
})
} else {
server.AppIDEnabled = true
if appIDRequestType == appIDRequestTypeCheck {
server.AppIDWebEnabled = true
}
}
}
if proxyBufferingAnnotationExists {
locProxyBuffering, err = handleLocProxyBuffering(proxyBufferingAnnotation, path.Backend.ServiceName)
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/proxy-buffering", err),
})
}
} else {
locProxyBuffering = ingCfg.ProxyBuffering
}
if addHostPortAnnotationExists {
locHostPort, err = handleLocHostPort(addHostPortAnnotation, path.Backend.ServiceName)
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/add-host-port", err),
})
}
}
if locationModifierExists {
locationModifier, err = handleLocationModifier(locationModifierAnnotation, path.Backend.ServiceName)
if err != nil {
rm := internal.ResourceManager{
Client: cnf.kubeClient}
rm.GenerateKubeEvent(internal.EventError{
MsgCode: "A0001",
Ing: ingEx.Ingress,
OverwriteMsg: fmt.Sprintf("Failed to apply %s annotation. %v", "ingress.bluemix.net/location-modifier", err),