Remove GenericController and add tests
This commit is contained in:
Manuel de Brito Fontes
parent
1701bfc334
commit
86f39d9deb
39 changed files with 1131 additions and 1325 deletions
191
cmd/nginx/flags.go
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191
cmd/nginx/flags.go
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package main
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import (
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"flag"
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"fmt"
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"os"
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"time"
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"github.com/golang/glog"
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"github.com/spf13/pflag"
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apiv1 "k8s.io/api/core/v1"
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"k8s.io/ingress-nginx/pkg/ingress/controller"
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ngx_config "k8s.io/ingress-nginx/pkg/ingress/controller/config"
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ing_net "k8s.io/ingress-nginx/pkg/net"
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)
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const (
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defIngressClass = "nginx"
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)
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func parseFlags() (bool, *controller.Configuration, error) {
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var (
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flags = pflag.NewFlagSet("", pflag.ExitOnError)
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apiserverHost = flags.String("apiserver-host", "", "The address of the Kubernetes Apiserver "+
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"to connect to in the format of protocol://address:port, e.g., "+
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"http://localhost:8080. If not specified, the assumption is that the binary runs inside a "+
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"Kubernetes cluster and local discovery is attempted.")
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kubeConfigFile = flags.String("kubeconfig", "", "Path to kubeconfig file with authorization and master location information.")
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defaultSvc = flags.String("default-backend-service", "",
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`Service used to serve a 404 page for the default backend. Takes the form
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namespace/name. The controller uses the first node port of this Service for
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the default backend.`)
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ingressClass = flags.String("ingress-class", "",
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`Name of the ingress class to route through this controller.`)
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configMap = flags.String("configmap", "",
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`Name of the ConfigMap that contains the custom configuration to use`)
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publishSvc = flags.String("publish-service", "",
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`Service fronting the ingress controllers. Takes the form
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namespace/name. The controller will set the endpoint records on the
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ingress objects to reflect those on the service.`)
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tcpConfigMapName = flags.String("tcp-services-configmap", "",
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`Name of the ConfigMap that contains the definition of the TCP services to expose.
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The key in the map indicates the external port to be used. The value is the name of the
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service with the format namespace/serviceName and the port of the service could be a
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number of the name of the port.
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The ports 80 and 443 are not allowed as external ports. This ports are reserved for the backend`)
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udpConfigMapName = flags.String("udp-services-configmap", "",
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`Name of the ConfigMap that contains the definition of the UDP services to expose.
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The key in the map indicates the external port to be used. The value is the name of the
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service with the format namespace/serviceName and the port of the service could be a
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number of the name of the port.`)
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resyncPeriod = flags.Duration("sync-period", 600*time.Second,
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`Relist and confirm cloud resources this often. Default is 10 minutes`)
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watchNamespace = flags.String("watch-namespace", apiv1.NamespaceAll,
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`Namespace to watch for Ingress. Default is to watch all namespaces`)
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profiling = flags.Bool("profiling", true, `Enable profiling via web interface host:port/debug/pprof/`)
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defSSLCertificate = flags.String("default-ssl-certificate", "", `Name of the secret
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that contains a SSL certificate to be used as default for a HTTPS catch-all server`)
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defHealthzURL = flags.String("health-check-path", "/healthz", `Defines
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the URL to be used as health check inside in the default server in NGINX.`)
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updateStatus = flags.Bool("update-status", true, `Indicates if the
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ingress controller should update the Ingress status IP/hostname. Default is true`)
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electionID = flags.String("election-id", "ingress-controller-leader", `Election id to use for status update.`)
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forceIsolation = flags.Bool("force-namespace-isolation", false,
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`Force namespace isolation. This flag is required to avoid the reference of secrets or
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configmaps located in a different namespace than the specified in the flag --watch-namespace.`)
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disableNodeList = flags.Bool("disable-node-list", false,
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`Disable querying nodes. If --force-namespace-isolation is true, this should also be set.`)
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updateStatusOnShutdown = flags.Bool("update-status-on-shutdown", true, `Indicates if the
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ingress controller should update the Ingress status IP/hostname when the controller
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is being stopped. Default is true`)
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sortBackends = flags.Bool("sort-backends", false,
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`Defines if backends and it's endpoints should be sorted`)
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useNodeInternalIP = flags.Bool("report-node-internal-ip-address", false,
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`Defines if the nodes IP address to be returned in the ingress status should be the internal instead of the external IP address`)
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showVersion = flags.Bool("version", false,
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`Shows release information about the NGINX Ingress controller`)
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enableSSLPassthrough = flags.Bool("enable-ssl-passthrough", false, `Enable SSL passthrough feature. Default is disabled`)
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httpPort = flags.Int("http-port", 80, `Indicates the port to use for HTTP traffic`)
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httpsPort = flags.Int("https-port", 443, `Indicates the port to use for HTTPS traffic`)
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statusPort = flags.Int("status-port", 18080, `Indicates the TCP port to use for exposing the nginx status page`)
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sslProxyPort = flags.Int("ssl-passtrough-proxy-port", 442, `Default port to use internally for SSL when SSL Passthgough is enabled`)
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defServerPort = flags.Int("default-server-port", 8181, `Default port to use for exposing the default server (catch all)`)
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healthzPort = flags.Int("healthz-port", 10254, "port for healthz endpoint.")
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)
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flag.Set("logtostderr", "true")
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flags.AddGoFlagSet(flag.CommandLine)
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flags.Parse(os.Args)
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flag.Set("logtostderr", "true")
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// Workaround for this issue:
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// https://github.com/kubernetes/kubernetes/issues/17162
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flag.CommandLine.Parse([]string{})
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if *showVersion {
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return true, nil, nil
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}
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if *defaultSvc == "" {
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return false, nil, fmt.Errorf("Please specify --default-backend-service")
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}
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if *ingressClass != "" {
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glog.Infof("Watching for ingress class: %s", *ingressClass)
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if *ingressClass != defIngressClass {
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glog.Warningf("only Ingress with class \"%v\" will be processed by this ingress controller", *ingressClass)
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}
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}
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// check port collisions
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if !ing_net.IsPortAvailable(*httpPort) {
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return false, nil, fmt.Errorf("Port %v is already in use. Please check the flag --http-port", *httpPort)
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}
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if !ing_net.IsPortAvailable(*httpsPort) {
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return false, nil, fmt.Errorf("Port %v is already in use. Please check the flag --https-port", *httpsPort)
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}
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if !ing_net.IsPortAvailable(*statusPort) {
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return false, nil, fmt.Errorf("Port %v is already in use. Please check the flag --status-port", *statusPort)
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}
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if !ing_net.IsPortAvailable(*defServerPort) {
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return false, nil, fmt.Errorf("Port %v is already in use. Please check the flag --default-server-port", *defServerPort)
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}
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if *enableSSLPassthrough && !ing_net.IsPortAvailable(*sslProxyPort) {
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return false, nil, fmt.Errorf("Port %v is already in use. Please check the flag --ssl-passtrough-proxy-port", *sslProxyPort)
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}
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config := &controller.Configuration{
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APIServerHost: *apiserverHost,
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KubeConfigFile: *kubeConfigFile,
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UpdateStatus: *updateStatus,
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ElectionID: *electionID,
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EnableProfiling: *profiling,
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EnableSSLPassthrough: *enableSSLPassthrough,
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ResyncPeriod: *resyncPeriod,
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DefaultService: *defaultSvc,
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IngressClass: *ingressClass,
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Namespace: *watchNamespace,
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ConfigMapName: *configMap,
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TCPConfigMapName: *tcpConfigMapName,
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UDPConfigMapName: *udpConfigMapName,
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DefaultSSLCertificate: *defSSLCertificate,
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DefaultHealthzURL: *defHealthzURL,
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PublishService: *publishSvc,
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ForceNamespaceIsolation: *forceIsolation,
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DisableNodeList: *disableNodeList,
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UpdateStatusOnShutdown: *updateStatusOnShutdown,
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SortBackends: *sortBackends,
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UseNodeInternalIP: *useNodeInternalIP,
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ListenPorts: &ngx_config.ListenPorts{
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Default: *defServerPort,
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Health: *healthzPort,
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HTTP: *httpPort,
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HTTPS: *httpsPort,
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SSLProxy: *sslProxyPort,
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Status: *statusPort,
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},
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}
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return false, config, nil
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}
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