PLT-4357 adding performance monitoring (#4622)

* WIP

* WIP

* Adding metrics collection

* updating vendor packages

* Adding metrics to config

* Adding admin console page for perf monitoring

* Updating glide

* switching to tylerb/graceful

4 files changed, 124 insertions, 0 deletions

diff --git a/webapp/components/admin_console/admin_sidebar.jsx b/webapp/components/admin_console/admin_sidebar.jsx
index f39bb8b6b..25a06cecf 100644
--- a/webapp/components/admin_console/admin_sidebar.jsx
+++ b/webapp/components/admin_console/admin_sidebar.jsx
@@ -192,6 +192,7 @@ export default class AdminSidebar extends React.Component {
         let ldapSettings = null;
         let samlSettings = null;
         let clusterSettings = null;
+        let metricsSettings = null;
         let complianceSettings = null;
 
         let license = null;
@@ -241,6 +242,20 @@ export default class AdminSidebar extends React.Component {
                 );
             }
 
+            if (global.window.mm_license.Metrics === 'true') {
+                metricsSettings = (
+                    <AdminSidebarSection
+                        name='metrics'
+                        title={
+                            <FormattedMessage
+                                id='admin.sidebar.metrics'
+                                defaultMessage='Performance Monitoring (Beta)'
+                            />
+                        }
+                    />
+                );
+            }
+
             if (global.window.mm_license.SAML === 'true') {
                 samlSettings = (
                     <AdminSidebarSection
@@ -716,6 +731,7 @@ export default class AdminSidebar extends React.Component {
                                     }
                                 />
                                 {clusterSettings}
+                                {metricsSettings}
                             </AdminSidebarSection>
                         </AdminSidebarCategory>
                         {this.renderTeams()}
diff --git a/webapp/components/admin_console/metrics_settings.jsx b/webapp/components/admin_console/metrics_settings.jsx
new file mode 100644
index 000000000..dd031047e
--- /dev/null
+++ b/webapp/components/admin_console/metrics_settings.jsx
@@ -0,0 +1,96 @@
+// Copyright (c) 2016 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+import React from 'react';
+
+import AdminSettings from './admin_settings.jsx';
+import BooleanSetting from './boolean_setting.jsx';
+import TextSetting from './text_setting.jsx';
+
+import {FormattedMessage, FormattedHTMLMessage} from 'react-intl';
+import SettingsGroup from './settings_group.jsx';
+
+import * as Utils from 'utils/utils.jsx';
+
+export default class MetricsSettings extends AdminSettings {
+    constructor(props) {
+        super(props);
+
+        this.getConfigFromState = this.getConfigFromState.bind(this);
+        this.renderSettings = this.renderSettings.bind(this);
+    }
+
+    getConfigFromState(config) {
+        config.MetricsSettings.Enable = this.state.enable;
+        config.MetricsSettings.ListenAddress = this.state.listenAddress;
+
+        return config;
+    }
+
+    getStateFromConfig(config) {
+        const settings = config.MetricsSettings;
+
+        return {
+            enable: settings.Enable,
+            listenAddress: settings.ListenAddress
+        };
+    }
+
+    renderTitle() {
+        return (
+            <h3>
+                <FormattedMessage
+                    id='admin.advance.metrics'
+                    defaultMessage='Performance Monitoring (Beta)'
+                />
+            </h3>
+        );
+    }
+
+    renderSettings() {
+        const licenseEnabled = global.window.mm_license.IsLicensed === 'true' && global.window.mm_license.Metrics === 'true';
+        if (!licenseEnabled) {
+            return null;
+        }
+
+        return (
+            <SettingsGroup>
+                <BooleanSetting
+                    id='enable'
+                    label={
+                        <FormattedMessage
+                            id='admin.metrics.enableTitle'
+                            defaultMessage='Enable Performance Monitoring:'
+                        />
+                    }
+                    helpText={
+                        <FormattedHTMLMessage
+                            id='admin.metrics.enableDescription'
+                            defaultMessage='When true, Mattermost will enable performance monitoring collection and profiling. Please see <a href="http://docs.mattermost.com/deployment/metrics.html" target="_blank">documentation</a> to learn more about configuring performance monitoring for Mattermost.'
+                        />
+                    }
+                    value={this.state.enable}
+                    onChange={this.handleChange}
+                />
+                <TextSetting
+                    id='listenAddress'
+                    label={
+                        <FormattedMessage
+                            id='admin.metrics.listenAddressTitle'
+                            defaultMessage='Listen Address:'
+                        />
+                    }
+                    placeholder={Utils.localizeMessage('admin.metrics.listenAddressEx', 'Ex ":8067"')}
+                    helpText={
+                        <FormattedMessage
+                            id='admin.metrics.listenAddressDesc'
+                            defaultMessage='The address the server will listen on to expose performance metrics.'
+                        />
+                    }
+                    value={this.state.listenAddress}
+                    onChange={this.handleChange}
+                />
+            </SettingsGroup>
+        );
+    }
+}
diff --git a/webapp/i18n/en.json b/webapp/i18n/en.json
index 942b611aa..d73ddf985 100644
--- a/webapp/i18n/en.json
+++ b/webapp/i18n/en.json
@@ -137,6 +137,7 @@
   "add_outgoing_webhook.triggerWordsTriggerWhenFullWord": "First word matches a trigger word exactly",
   "add_outgoing_webhook.triggerWordsTriggerWhenStartsWith": "First word starts with a trigger word",
   "admin.advance.cluster": "High Availability (Beta)",
+  "admin.advance.metrics": "Performance Monitoring (Beta)",
   "admin.audits.reload": "Reload User Activity Logs",
   "admin.audits.title": "User Activity Logs",
   "admin.authentication.email": "Email Auth",
@@ -145,6 +146,11 @@
   "admin.authentication.oauth": "OAuth 2.0",
   "admin.authentication.saml": "SAML",
   "admin.banner.heading": "Note:",
+  "admin.metrics.enableTitle": "Enable Performance Monitoring:",
+  "admin.metrics.enableDescription": "When true, Mattermost will enable performance monitoring collection and profiling. Please see <a href=\"http://docs.mattermost.com/deployment/metrics.html\" target=\"_blank\">documentation</a> to learn more about configuring performance monitoring for Mattermost.",
+  "admin.metrics.listenAddressTitle": "Listen Address:",
+  "admin.metrics.listenAddressEx": "Ex \":8067\"",
+  "admin.metrics.listenAddressDesc": "The address the server will listen on to expose performance metrics.",
   "admin.cluster.enableDescription": "When true, Mattermost will run in High Availability mode. Please see <a href=\"http://docs.mattermost.com/deployment/cluster.html\" target=\"_blank\">documentation</a> to learn more about configuring High Availability for Mattermost.",
   "admin.cluster.enableTitle": "Enable High Availability Mode:",
   "admin.cluster.interNodeListenAddressDesc": "The address the server will listen on for communicating with other servers.",
@@ -702,6 +708,7 @@
   "admin.sidebar.audits": "Compliance and Auditing",
   "admin.sidebar.authentication": "Authentication",
   "admin.sidebar.cluster": "High Availability (Beta)",
+  "admin.sidebar.metrics": "Performance Monitoring (Beta)",
   "admin.sidebar.compliance": "Compliance",
   "admin.sidebar.configuration": "Configuration",
   "admin.sidebar.connections": "Connections",
diff --git a/webapp/routes/route_admin_console.jsx b/webapp/routes/route_admin_console.jsx
index e3e22ed68..a67cb3e83 100644
--- a/webapp/routes/route_admin_console.jsx
+++ b/webapp/routes/route_admin_console.jsx
@@ -18,6 +18,7 @@ import OAuthSettings from 'components/admin_console/oauth_settings.jsx';
 import LdapSettings from 'components/admin_console/ldap_settings.jsx';
 import SamlSettings from 'components/admin_console/saml_settings.jsx';
 import ClusterSettings from 'components/admin_console/cluster_settings.jsx';
+import MetricsSettings from 'components/admin_console/metrics_settings.jsx';
 import SignupSettings from 'components/admin_console/signup_settings.jsx';
 import PasswordSettings from 'components/admin_console/password_settings.jsx';
 import PublicLinkSettings from 'components/admin_console/public_link_settings.jsx';
@@ -201,6 +202,10 @@ export default (
                 path='cluster'
                 component={ClusterSettings}
             />
+            <Route
+                path='metrics'
+                component={MetricsSettings}
+            />
         </Route>
         <Route path='team'>
             <Redirect