vendor files

vendor/k8s.io/kubernetes/pkg/probe/tcp/BUILD

@@ -0,0 +1,38 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+    "go_test",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["tcp.go"],
+    importpath = "k8s.io/kubernetes/pkg/probe/tcp",
+    deps = [
+        "//pkg/probe:go_default_library",
+        "//vendor/github.com/golang/glog:go_default_library",
+    ],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["tcp_test.go"],
+    importpath = "k8s.io/kubernetes/pkg/probe/tcp",
+    library = ":go_default_library",
+    deps = ["//pkg/probe: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/probe/tcp/tcp.go

@@ -0,0 +1,58 @@
+/*
+Copyright 2015 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 tcp
+
+import (
+	"net"
+	"strconv"
+	"time"
+
+	"k8s.io/kubernetes/pkg/probe"
+
+	"github.com/golang/glog"
+)
+
+func New() TCPProber {
+	return tcpProber{}
+}
+
+type TCPProber interface {
+	Probe(host string, port int, timeout time.Duration) (probe.Result, string, error)
+}
+
+type tcpProber struct{}
+
+func (pr tcpProber) Probe(host string, port int, timeout time.Duration) (probe.Result, string, error) {
+	return DoTCPProbe(net.JoinHostPort(host, strconv.Itoa(port)), timeout)
+}
+
+// DoTCPProbe checks that a TCP socket to the address can be opened.
+// If the socket can be opened, it returns Success
+// If the socket fails to open, it returns Failure.
+// This is exported because some other packages may want to do direct TCP probes.
+func DoTCPProbe(addr string, timeout time.Duration) (probe.Result, string, error) {
+	conn, err := net.DialTimeout("tcp", addr, timeout)
+	if err != nil {
+		// Convert errors to failures to handle timeouts.
+		return probe.Failure, err.Error(), nil
+	}
+	err = conn.Close()
+	if err != nil {
+		glog.Errorf("Unexpected error closing TCP probe socket: %v (%#v)", err, err)
+	}
+	return probe.Success, "", nil
+}

vendor/k8s.io/kubernetes/pkg/probe/tcp/tcp_test.go

@@ -0,0 +1,68 @@
+/*
+Copyright 2015 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 tcp
+
+import (
+	"net"
+	"net/http"
+	"net/http/httptest"
+	"strconv"
+	"testing"
+	"time"
+
+	"k8s.io/kubernetes/pkg/probe"
+)
+
+func TestTcpHealthChecker(t *testing.T) {
+	// Setup a test server that responds to probing correctly
+	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.WriteHeader(http.StatusOK)
+	}))
+	defer server.Close()
+	tHost, tPortStr, err := net.SplitHostPort(server.Listener.Addr().String())
+	if err != nil {
+		t.Errorf("unexpected error: %v", err)
+	}
+	tPort, err := strconv.Atoi(tPortStr)
+	if err != nil {
+		t.Errorf("unexpected error: %v", err)
+	}
+
+	tests := []struct {
+		host string
+		port int
+
+		expectedStatus probe.Result
+		expectedError  error
+	}{
+		// A connection is made and probing would succeed
+		{tHost, tPort, probe.Success, nil},
+		// No connection can be made and probing would fail
+		{tHost, -1, probe.Failure, nil},
+	}
+
+	prober := New()
+	for i, tt := range tests {
+		status, _, err := prober.Probe(tt.host, tt.port, 1*time.Second)
+		if status != tt.expectedStatus {
+			t.Errorf("#%d: expected status=%v, get=%v", i, tt.expectedStatus, status)
+		}
+		if err != tt.expectedError {
+			t.Errorf("#%d: expected error=%v, get=%v", i, tt.expectedError, err)
+		}
+	}
+}