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TRA-3868 move tapped pod watch and tapper updating to shared (#416)

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* Update tapRunner.go and k8sTapManager.go

* Update cleanRunner.go, common.go, and 8 more files...

* Update common.go, tapConfig.go, and 2 more files...

* Update config.go, config.go, and 5 more files...

* Update tapRunner.go, config.go, and 7 more files...

* Update cleanRunner.go, logs.go, and 2 more files...

* Update k8sTapManager.go, provider.go, and watch.go

* Update go.sum, go.mod, and go.sum

* Update go.mod and go.sum

* Update go.mod, go.sum, and 2 more files...

* Revert "Update go.mod, go.sum, and 2 more files..."

This reverts commit 8140311349.

* Update funcWrappers.go, tapRunner.go, and 4 more files...

* Update main.go, tapRunner.go, and mizuTapperSyncer.go
This commit is contained in:
RamiBerm
2021-11-01 14:12:32 +02:00
committed by GitHub
parent 35dbd5fde2
commit 655626bc42
29 changed files with 1653 additions and 425 deletions
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67
shared/kubernetes/proxy.go Normal file
View File

@@ -0,0 +1,67 @@
package kubernetes
import (
"fmt"
"net"
"net/http"
"strings"
"time"
"github.com/up9inc/mizu/shared/logger"
"k8s.io/kubectl/pkg/proxy"
)
const k8sProxyApiPrefix = "/"
const mizuServicePort = 80
func StartProxy(kubernetesProvider *Provider, proxyHost string, mizuPort uint16, mizuNamespace string, mizuServiceName string) error {
logger.Log.Debugf("Starting proxy. namespace: [%v], service name: [%s], port: [%v]", mizuNamespace, mizuServiceName, mizuPort)
filter := &proxy.FilterServer{
AcceptPaths: proxy.MakeRegexpArrayOrDie(proxy.DefaultPathAcceptRE),
RejectPaths: proxy.MakeRegexpArrayOrDie(proxy.DefaultPathRejectRE),
AcceptHosts: proxy.MakeRegexpArrayOrDie("^.*"),
RejectMethods: proxy.MakeRegexpArrayOrDie(proxy.DefaultMethodRejectRE),
}
proxyHandler, err := proxy.NewProxyHandler(k8sProxyApiPrefix, filter, &kubernetesProvider.clientConfig, time.Second*2)
if err != nil {
return err
}
mux := http.NewServeMux()
mux.Handle(k8sProxyApiPrefix, proxyHandler)
mux.Handle("/static/", getRerouteHttpHandlerMizuStatic(proxyHandler, mizuNamespace, mizuServiceName))
mux.Handle("/mizu/", getRerouteHttpHandlerMizuAPI(proxyHandler, mizuNamespace, mizuServiceName))
l, err := net.Listen("tcp", fmt.Sprintf("%s:%d", proxyHost, int(mizuPort)))
if err != nil {
return err
}
server := http.Server{
Handler: mux,
}
return server.Serve(l)
}
func getMizuApiServerProxiedHostAndPath(mizuNamespace string, mizuServiceName string) string {
return fmt.Sprintf("/api/v1/namespaces/%s/services/%s:%d/proxy/", mizuNamespace, mizuServiceName, mizuServicePort)
}
func GetMizuApiServerProxiedHostAndPath(mizuPort uint16) string {
return fmt.Sprintf("localhost:%d/mizu", mizuPort)
}
func getRerouteHttpHandlerMizuAPI(proxyHandler http.Handler, mizuNamespace string, mizuServiceName string) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
r.URL.Path = strings.Replace(r.URL.Path, "/mizu/", getMizuApiServerProxiedHostAndPath(mizuNamespace, mizuServiceName), 1)
proxyHandler.ServeHTTP(w, r)
})
}
func getRerouteHttpHandlerMizuStatic(proxyHandler http.Handler, mizuNamespace string, mizuServiceName string) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
r.URL.Path = strings.Replace(r.URL.Path, "/static/", fmt.Sprintf("%s/static/", getMizuApiServerProxiedHostAndPath(mizuNamespace, mizuServiceName)), 1)
proxyHandler.ServeHTTP(w, r)
})
}