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Merge pull request #118999 from cezarygerard/health-service

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kube-proxy service health: add new  header with number of local endpoints
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Kubernetes Prow Robot 2023-07-07 15:49:05 -07:00 committed by GitHub
commit 2d42274ac7
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2 changed files with 15 additions and 0 deletions
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12
pkg/proxy/healthcheck/healthcheck_test.go
View File

@ -21,13 +21,16 @@ import (
"net"
"net/http"
"net/http/httptest"
"strconv"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/dump"
"k8s.io/apimachinery/pkg/util/sets"
proxyutil "k8s.io/kubernetes/pkg/proxy/util"
testingclock "k8s.io/utils/clock/testing"
)
@ -412,6 +415,15 @@ func tHandler(hcs *server, nsn types.NamespacedName, status int, endpoints int,
if payload.ServiceProxyHealthy != kubeProxyHealthy {
t.Errorf("expected %v kubeProxyHealthy, got %v", kubeProxyHealthy, payload.ServiceProxyHealthy)
}
if !cmp.Equal(resp.Header()["Content-Type"], []string{"application/json"}) {
t.Errorf("expected 'Content-Type: application/json' respose header, got: %v", resp.Header()["Content-Type"])
}
if !cmp.Equal(resp.Header()["X-Content-Type-Options"], []string{"nosniff"}) {
t.Errorf("expected 'X-Content-Type-Options: nosniff' respose header, got: %v", resp.Header()["X-Content-Type-Options"])
}
if !cmp.Equal(resp.Header()["X-Load-Balancing-Endpoint-Weight"], []string{strconv.Itoa(endpoints)}) {
t.Errorf("expected 'X-Load-Balancing-Endpoint-Weight: %d' respose header, got: %v", endpoints, resp.Header()["X-Load-Balancing-Endpoint-Weight"])
}
}
}

3
pkg/proxy/healthcheck/service_health.go
View File

@ -20,6 +20,7 @@ import (
"fmt"
"net"
"net/http"
"strconv"
"strings"
"sync"
@ -233,6 +234,8 @@ func (h hcHandler) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
resp.Header().Set("Content-Type", "application/json")
resp.Header().Set("X-Content-Type-Options", "nosniff")
resp.Header().Set("X-Load-Balancing-Endpoint-Weight", strconv.Itoa(count))
if count != 0 && kubeProxyHealthy {
resp.WriteHeader(http.StatusOK)
} else {