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-rw-r--r--src/node/health_check/health.js70
-rw-r--r--src/node/health_check/health.proto50
-rw-r--r--src/node/src/server.js3
-rw-r--r--src/node/test/health_test.js103
4 files changed, 225 insertions, 1 deletions
diff --git a/src/node/health_check/health.js b/src/node/health_check/health.js
new file mode 100644
index 0000000000..87e00197fe
--- /dev/null
+++ b/src/node/health_check/health.js
@@ -0,0 +1,70 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+'use strict';
+
+var grpc = require('../');
+
+var _ = require('lodash');
+
+var health_proto = grpc.load(__dirname + '/health.proto');
+
+var HealthClient = health_proto.grpc.health.v1alpha.Health;
+
+function HealthImplementation(statusMap) {
+ this.statusMap = _.clone(statusMap);
+}
+
+HealthImplementation.prototype.setStatus = function(host, service, status) {
+ if (!this.statusMap[host]) {
+ this.statusMap[host] = {};
+ }
+ this.statusMap[host][service] = status;
+};
+
+HealthImplementation.prototype.check = function(call, callback){
+ var host = call.request.host;
+ var service = call.request.service;
+ var status = _.get(this.statusMap, [host, service], null);
+ if (status === null) {
+ callback({code:grpc.status.NOT_FOUND});
+ } else {
+ callback(null, {status: status});
+ }
+};
+
+module.exports = {
+ Client: HealthClient,
+ service: HealthClient.service,
+ Implementation: HealthImplementation
+};
diff --git a/src/node/health_check/health.proto b/src/node/health_check/health.proto
new file mode 100644
index 0000000000..d31df1e0a7
--- /dev/null
+++ b/src/node/health_check/health.proto
@@ -0,0 +1,50 @@
+// Copyright 2015, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+syntax = "proto3";
+
+package grpc.health.v1alpha;
+
+message HealthCheckRequest {
+ string host = 1;
+ string service = 2;
+}
+
+message HealthCheckResponse {
+ enum ServingStatus {
+ UNKNOWN = 0;
+ SERVING = 1;
+ NOT_SERVING = 2;
+ }
+ ServingStatus status = 1;
+}
+
+service Health {
+ rpc Check(HealthCheckRequest) returns (HealthCheckResponse);
+} \ No newline at end of file
diff --git a/src/node/src/server.js b/src/node/src/server.js
index c6cf9e7eb8..9ac428f3ee 100644
--- a/src/node/src/server.js
+++ b/src/node/src/server.js
@@ -634,7 +634,8 @@ function makeServerConstructor(service_attr_map) {
}
var serialize = attrs.responseSerialize;
var deserialize = attrs.requestDeserialize;
- server.register(attrs.path, service_handlers[service_name][name],
+ server.register(attrs.path, _.bind(service_handlers[service_name][name],
+ service_handlers[service_name]),
serialize, deserialize, method_type);
});
}, this);
diff --git a/src/node/test/health_test.js b/src/node/test/health_test.js
new file mode 100644
index 0000000000..4d1a5082e0
--- /dev/null
+++ b/src/node/test/health_test.js
@@ -0,0 +1,103 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+'use strict';
+
+var assert = require('assert');
+
+var health = require('../health_check/health.js');
+
+var grpc = require('../');
+
+describe('Health Checking', function() {
+ var statusMap = {
+ '': {
+ '': 'SERVING',
+ 'grpc.test.TestService': 'NOT_SERVING',
+ },
+ virtual_host: {
+ 'grpc.test.TestService': 'SERVING'
+ }
+ };
+ var HealthServer = grpc.buildServer([health.service]);
+ var healthServer = new HealthServer({
+ 'grpc.health.v1alpha.Health': new health.Implementation(statusMap)
+ });
+ var healthClient;
+ before(function() {
+ var port_num = healthServer.bind('0.0.0.0:0');
+ healthServer.listen();
+ healthClient = new health.Client('localhost:' + port_num);
+ });
+ after(function() {
+ healthServer.shutdown();
+ });
+ it('should say an enabled service is SERVING', function(done) {
+ healthClient.check({service: ''}, function(err, response) {
+ assert.ifError(err);
+ assert.strictEqual(response.status, 'SERVING');
+ done();
+ });
+ });
+ it('should say that a disabled service is NOT_SERVING', function(done) {
+ healthClient.check({service: 'grpc.test.TestService'},
+ function(err, response) {
+ assert.ifError(err);
+ assert.strictEqual(response.status, 'NOT_SERVING');
+ done();
+ });
+ });
+ it('should say that a service on another host is SERVING', function(done) {
+ healthClient.check({host: 'virtual_host', service: 'grpc.test.TestService'},
+ function(err, response) {
+ assert.ifError(err);
+ assert.strictEqual(response.status, 'SERVING');
+ done();
+ });
+ });
+ it('should get NOT_FOUND if the service is not registered', function(done) {
+ healthClient.check({service: 'not_registered'}, function(err, response) {
+ assert(err);
+ assert.strictEqual(err.code, grpc.status.NOT_FOUND);
+ done();
+ });
+ });
+ it('should get NOT_FOUND if the host is not registered', function(done) {
+ healthClient.check({host: 'wrong_host', service: 'grpc.test.TestService'},
+ function(err, response) {
+ assert(err);
+ assert.strictEqual(err.code, grpc.status.NOT_FOUND);
+ done();
+ });
+ });
+});
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-16 05:44:37 +0000