vendor files

vendor/k8s.io/kubernetes/pkg/api/service/BUILD

@@ -0,0 +1,41 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+    "go_test",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["util.go"],
+    importpath = "k8s.io/kubernetes/pkg/api/service",
+    deps = [
+        "//pkg/apis/core:go_default_library",
+        "//pkg/util/net/sets:go_default_library",
+    ],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["util_test.go"],
+    importpath = "k8s.io/kubernetes/pkg/api/service",
+    library = ":go_default_library",
+    deps = [
+        "//pkg/apis/core:go_default_library",
+        "//pkg/util/net/sets:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/pkg/api/service/OWNERS

@@ -0,0 +1,4 @@
+reviewers:
+- justinsb
+- freehan
+- david-mcmahon

vendor/k8s.io/kubernetes/pkg/api/service/util.go

@@ -0,0 +1,85 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+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 service
+
+import (
+	"fmt"
+	api "k8s.io/kubernetes/pkg/apis/core"
+	netsets "k8s.io/kubernetes/pkg/util/net/sets"
+	"strings"
+)
+
+const (
+	defaultLoadBalancerSourceRanges = "0.0.0.0/0"
+)
+
+// IsAllowAll checks whether the netsets.IPNet allows traffic from 0.0.0.0/0
+func IsAllowAll(ipnets netsets.IPNet) bool {
+	for _, s := range ipnets.StringSlice() {
+		if s == "0.0.0.0/0" {
+			return true
+		}
+	}
+	return false
+}
+
+// GetLoadBalancerSourceRanges first try to parse and verify LoadBalancerSourceRanges field from a service.
+// If the field is not specified, turn to parse and verify the AnnotationLoadBalancerSourceRangesKey annotation from a service,
+// extracting the source ranges to allow, and if not present returns a default (allow-all) value.
+func GetLoadBalancerSourceRanges(service *api.Service) (netsets.IPNet, error) {
+	var ipnets netsets.IPNet
+	var err error
+	// if SourceRange field is specified, ignore sourceRange annotation
+	if len(service.Spec.LoadBalancerSourceRanges) > 0 {
+		specs := service.Spec.LoadBalancerSourceRanges
+		ipnets, err = netsets.ParseIPNets(specs...)
+
+		if err != nil {
+			return nil, fmt.Errorf("service.Spec.LoadBalancerSourceRanges: %v is not valid. Expecting a list of IP ranges. For example, 10.0.0.0/24. Error msg: %v", specs, err)
+		}
+	} else {
+		val := service.Annotations[api.AnnotationLoadBalancerSourceRangesKey]
+		val = strings.TrimSpace(val)
+		if val == "" {
+			val = defaultLoadBalancerSourceRanges
+		}
+		specs := strings.Split(val, ",")
+		ipnets, err = netsets.ParseIPNets(specs...)
+		if err != nil {
+			return nil, fmt.Errorf("%s: %s is not valid. Expecting a comma-separated list of source IP ranges. For example, 10.0.0.0/24,192.168.2.0/24", api.AnnotationLoadBalancerSourceRangesKey, val)
+		}
+	}
+	return ipnets, nil
+}
+
+// RequestsOnlyLocalTraffic checks if service requests OnlyLocal traffic.
+func RequestsOnlyLocalTraffic(service *api.Service) bool {
+	if service.Spec.Type != api.ServiceTypeLoadBalancer &&
+		service.Spec.Type != api.ServiceTypeNodePort {
+		return false
+	}
+
+	return service.Spec.ExternalTrafficPolicy == api.ServiceExternalTrafficPolicyTypeLocal
+}
+
+// NeedsHealthCheck checks if service needs health check.
+func NeedsHealthCheck(service *api.Service) bool {
+	if service.Spec.Type != api.ServiceTypeLoadBalancer {
+		return false
+	}
+	return RequestsOnlyLocalTraffic(service)
+}

vendor/k8s.io/kubernetes/pkg/api/service/util_test.go

@@ -0,0 +1,216 @@
+/*
+Copyright 2016 The Kubernetes Authors.
+
+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 service
+
+import (
+	"strings"
+	"testing"
+
+	api "k8s.io/kubernetes/pkg/apis/core"
+	netsets "k8s.io/kubernetes/pkg/util/net/sets"
+)
+
+func TestGetLoadBalancerSourceRanges(t *testing.T) {
+	checkError := func(v string) {
+		annotations := make(map[string]string)
+		annotations[api.AnnotationLoadBalancerSourceRangesKey] = v
+		svc := api.Service{}
+		svc.Annotations = annotations
+		_, err := GetLoadBalancerSourceRanges(&svc)
+		if err == nil {
+			t.Errorf("Expected error parsing: %q", v)
+		}
+		svc = api.Service{}
+		svc.Spec.LoadBalancerSourceRanges = strings.Split(v, ",")
+		_, err = GetLoadBalancerSourceRanges(&svc)
+		if err == nil {
+			t.Errorf("Expected error parsing: %q", v)
+		}
+	}
+	checkError("10.0.0.1/33")
+	checkError("foo.bar")
+	checkError("10.0.0.1/32,*")
+	checkError("10.0.0.1/32,")
+	checkError("10.0.0.1/32, ")
+	checkError("10.0.0.1")
+
+	checkOK := func(v string) netsets.IPNet {
+		annotations := make(map[string]string)
+		annotations[api.AnnotationLoadBalancerSourceRangesKey] = v
+		svc := api.Service{}
+		svc.Annotations = annotations
+		cidrs, err := GetLoadBalancerSourceRanges(&svc)
+		if err != nil {
+			t.Errorf("Unexpected error parsing: %q", v)
+		}
+		svc = api.Service{}
+		svc.Spec.LoadBalancerSourceRanges = strings.Split(v, ",")
+		cidrs, err = GetLoadBalancerSourceRanges(&svc)
+		if err != nil {
+			t.Errorf("Unexpected error parsing: %q", v)
+		}
+		return cidrs
+	}
+	cidrs := checkOK("192.168.0.1/32")
+	if len(cidrs) != 1 {
+		t.Errorf("Expected exactly one CIDR: %v", cidrs.StringSlice())
+	}
+	cidrs = checkOK("192.168.0.1/32,192.168.0.1/32")
+	if len(cidrs) != 1 {
+		t.Errorf("Expected exactly one CIDR (after de-dup): %v", cidrs.StringSlice())
+	}
+	cidrs = checkOK("192.168.0.1/32,192.168.0.2/32")
+	if len(cidrs) != 2 {
+		t.Errorf("Expected two CIDRs: %v", cidrs.StringSlice())
+	}
+	cidrs = checkOK("  192.168.0.1/32 , 192.168.0.2/32   ")
+	if len(cidrs) != 2 {
+		t.Errorf("Expected two CIDRs: %v", cidrs.StringSlice())
+	}
+	// check LoadBalancerSourceRanges not specified
+	svc := api.Service{}
+	cidrs, err := GetLoadBalancerSourceRanges(&svc)
+	if err != nil {
+		t.Errorf("Unexpected error: %v", err)
+	}
+	if len(cidrs) != 1 {
+		t.Errorf("Expected exactly one CIDR: %v", cidrs.StringSlice())
+	}
+	if !IsAllowAll(cidrs) {
+		t.Errorf("Expected default to be allow-all: %v", cidrs.StringSlice())
+	}
+	// check SourceRanges annotation is empty
+	annotations := make(map[string]string)
+	annotations[api.AnnotationLoadBalancerSourceRangesKey] = ""
+	svc = api.Service{}
+	svc.Annotations = annotations
+	cidrs, err = GetLoadBalancerSourceRanges(&svc)
+	if err != nil {
+		t.Errorf("Unexpected error: %v", err)
+	}
+	if len(cidrs) != 1 {
+		t.Errorf("Expected exactly one CIDR: %v", cidrs.StringSlice())
+	}
+	if !IsAllowAll(cidrs) {
+		t.Errorf("Expected default to be allow-all: %v", cidrs.StringSlice())
+	}
+}
+
+func TestAllowAll(t *testing.T) {
+	checkAllowAll := func(allowAll bool, cidrs ...string) {
+		ipnets, err := netsets.ParseIPNets(cidrs...)
+		if err != nil {
+			t.Errorf("Unexpected error parsing cidrs: %v", cidrs)
+		}
+		if allowAll != IsAllowAll(ipnets) {
+			t.Errorf("IsAllowAll did not return expected value for %v", cidrs)
+		}
+	}
+	checkAllowAll(false, "10.0.0.1/32")
+	checkAllowAll(false, "10.0.0.1/32", "10.0.0.2/32")
+	checkAllowAll(false, "10.0.0.1/32", "10.0.0.1/32")
+
+	checkAllowAll(true, "0.0.0.0/0")
+	checkAllowAll(true, "192.168.0.0/0")
+	checkAllowAll(true, "192.168.0.1/32", "0.0.0.0/0")
+}
+
+func TestRequestsOnlyLocalTraffic(t *testing.T) {
+	checkRequestsOnlyLocalTraffic := func(requestsOnlyLocalTraffic bool, service *api.Service) {
+		res := RequestsOnlyLocalTraffic(service)
+		if res != requestsOnlyLocalTraffic {
+			t.Errorf("Expected requests OnlyLocal traffic = %v, got %v",
+				requestsOnlyLocalTraffic, res)
+		}
+	}
+
+	checkRequestsOnlyLocalTraffic(false, &api.Service{})
+	checkRequestsOnlyLocalTraffic(false, &api.Service{
+		Spec: api.ServiceSpec{
+			Type: api.ServiceTypeClusterIP,
+		},
+	})
+	checkRequestsOnlyLocalTraffic(false, &api.Service{
+		Spec: api.ServiceSpec{
+			Type: api.ServiceTypeNodePort,
+		},
+	})
+	checkRequestsOnlyLocalTraffic(false, &api.Service{
+		Spec: api.ServiceSpec{
+			Type: api.ServiceTypeNodePort,
+			ExternalTrafficPolicy: api.ServiceExternalTrafficPolicyTypeCluster,
+		},
+	})
+	checkRequestsOnlyLocalTraffic(true, &api.Service{
+		Spec: api.ServiceSpec{
+			Type: api.ServiceTypeNodePort,
+			ExternalTrafficPolicy: api.ServiceExternalTrafficPolicyTypeLocal,
+		},
+	})
+	checkRequestsOnlyLocalTraffic(false, &api.Service{
+		Spec: api.ServiceSpec{
+			Type: api.ServiceTypeLoadBalancer,
+			ExternalTrafficPolicy: api.ServiceExternalTrafficPolicyTypeCluster,
+		},
+	})
+	checkRequestsOnlyLocalTraffic(true, &api.Service{
+		Spec: api.ServiceSpec{
+			Type: api.ServiceTypeLoadBalancer,
+			ExternalTrafficPolicy: api.ServiceExternalTrafficPolicyTypeLocal,
+		},
+	})
+}
+
+func TestNeedsHealthCheck(t *testing.T) {
+	checkNeedsHealthCheck := func(needsHealthCheck bool, service *api.Service) {
+		res := NeedsHealthCheck(service)
+		if res != needsHealthCheck {
+			t.Errorf("Expected needs health check = %v, got %v",
+				needsHealthCheck, res)
+		}
+	}
+
+	checkNeedsHealthCheck(false, &api.Service{
+		Spec: api.ServiceSpec{
+			Type: api.ServiceTypeClusterIP,
+		},
+	})
+	checkNeedsHealthCheck(false, &api.Service{
+		Spec: api.ServiceSpec{
+			Type: api.ServiceTypeNodePort,
+			ExternalTrafficPolicy: api.ServiceExternalTrafficPolicyTypeCluster,
+		},
+	})
+	checkNeedsHealthCheck(false, &api.Service{
+		Spec: api.ServiceSpec{
+			Type: api.ServiceTypeNodePort,
+			ExternalTrafficPolicy: api.ServiceExternalTrafficPolicyTypeLocal,
+		},
+	})
+	checkNeedsHealthCheck(false, &api.Service{
+		Spec: api.ServiceSpec{
+			Type: api.ServiceTypeLoadBalancer,
+			ExternalTrafficPolicy: api.ServiceExternalTrafficPolicyTypeCluster,
+		},
+	})
+	checkNeedsHealthCheck(true, &api.Service{
+		Spec: api.ServiceSpec{
+			Type: api.ServiceTypeLoadBalancer,
+			ExternalTrafficPolicy: api.ServiceExternalTrafficPolicyTypeLocal,
+		},
+	})
+}