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controllers.js
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controllers.js
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// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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.
(function() {
'use strict';
var mesosApp = angular.module('mesos');
function hasSelectedText() {
if (window.getSelection) { // All browsers except IE before version 9.
var range = window.getSelection();
return range.toString().length > 0;
}
return false;
}
// Returns the URL prefix for an agent, there are two cases
// to consider:
//
// (1) Some endpoints for the agent process itself require
// the agent PID.name (processId) in the path, this is
// to ensure that the webui works correctly when running
// against mesos-local or other instances of multiple agents
// running within the same "host:port":
//
// //hostname:port/slave(1)
// //hostname:port/slave(2)
// ...
//
// (2) Some endpoints for other components in the agent
// do not require the agent PID.name in the path, since
// a single endpoint serves multiple agents within the
// same process. In this case we just return:
//
// //hostname:port
//
// Note that there are some clashing issues in mesos-local
// (e.g., hosting '/slave/log' for each agent log, we don't
// namespace metrics within '/metrics/snapshot', etc).
function agentURLPrefix(agent, includeProcessId) {
var port = agent.pid.substring(agent.pid.lastIndexOf(':') + 1);
var processId = agent.pid.substring(0, agent.pid.indexOf('@'));
var url = '//' + agent.hostname + ':' + port;
if (includeProcessId) {
url += '/' + processId;
}
return url;
}
function leadingMasterURLPrefix(leader_info) {
if (leader_info) {
return '//' + leader_info.hostname + ':' + leader_info.port;
}
// If we do not have `leader_info` available (e.g. the first
// time we are retrieving state), fallback to the current master.
return '';
}
// Invokes the pailer, building the endpoint URL with the specified urlPrefix
// and path.
function pailer(urlPrefix, path, window_title) {
var url = urlPrefix + '/files/read?path=' + path;
// The randomized `storageKey` is removed from `localStorage` once the
// pailer window loads the URL into its `sessionStorage`, therefore
// the probability of collisions is low and we do not use a uuid.
var storageKey = Math.random().toString(36).substr(2, 8);
// Store the target URL in `localStorage` which is
// accessed by the pailer window when opened.
localStorage.setItem(storageKey, url);
var pailer =
window.open('app/shared/pailer.html', storageKey, 'width=580px, height=700px');
// Need to use window.onload instead of document.ready to make
// sure the title doesn't get overwritten.
pailer.onload = function() {
pailer.document.title = window_title;
};
}
function updateInterval(num_agents) {
// TODO(bmahler): Increasing the update interval for large clusters
// is done purely to mitigate webui performance issues. Ideally we can
// keep a consistently fast rate for updating statistical information.
// For the full system state updates, it may make sense to break
// it up using pagination and/or splitting the endpoint.
if (num_agents < 500) {
return 10000;
} else if (num_agents < 1000) {
return 20000;
} else if (num_agents < 5000) {
return 60000;
} else if (num_agents < 10000) {
return 120000;
} else if (num_agents < 15000) {
return 240000;
} else if (num_agents < 20000) {
return 480000;
} else {
return 960000;
}
}
// Set the task sandbox directory for use by the WebUI.
function setTaskSandbox(executor) {
_.each(
[executor.tasks, executor.queued_tasks, executor.completed_tasks],
function(tasks) {
_.each(tasks, function(task) {
if (executor.type === 'DEFAULT') {
task.directory = executor.directory + '/tasks/' + task.id;
} else {
task.directory = executor.directory;
}
});
});
}
// Update the outermost scope with the new state.
function updateState($scope, $timeout, state) {
// Don't do anything if the state hasn't changed.
if ($scope.state == state) {
return true; // Continue polling.
}
$scope.state = state;
// A cluster is named if the state returns a non-empty string name.
// Track whether this cluster is named in a Boolean for display purposes.
$scope.clusterNamed = !!$scope.state.cluster;
// Check for selected text, and allow up to 20 seconds to pass before
// potentially wiping the user highlighted text.
// TODO(bmahler): This is to avoid the annoying loss of highlighting when
// the tables update. Once we can have tighter granularity control on the
// angular.js dynamic table updates, we should remove this hack.
$scope.time_since_update += $scope.delay;
if (hasSelectedText() && $scope.time_since_update < 20000) {
return true;
}
// Pass this pollTime to all relativeDate calls to make them all relative to
// the same moment in time.
//
// If relativeDate is called without a reference time, it instantiates a new
// Date to be the reference. Since there can be hundreds of dates on a given
// page, they would all be relative to slightly different moments in time.
$scope.pollTime = new Date();
// Update the maps.
$scope.agents = {};
$scope.frameworks = {};
$scope.offers = {};
$scope.completed_frameworks = {};
$scope.active_tasks = [];
$scope.unreachable_tasks = [];
$scope.completed_tasks = [];
// Update the stats.
$scope.cluster = $scope.state.cluster;
$scope.total_cpus = 0;
$scope.total_gpus = 0;
$scope.total_mem = 0;
$scope.total_disk = 0;
$scope.used_cpus = 0;
$scope.used_gpus = 0;
$scope.used_mem = 0;
$scope.used_disk = 0;
$scope.offered_cpus = 0;
$scope.offered_gpus = 0;
$scope.offered_mem = 0;
$scope.offered_disk = 0;
$scope.activated_agents = $scope.state.activated_slaves;
$scope.deactivated_agents = $scope.state.deactivated_slaves;
$scope.unreachable_agents = $scope.state.unreachable_slaves;
_.each($scope.state.slaves, function(agent) {
// Calculate the agent "state" from activation and drain state.
if (!agent.deactivated) {
agent.state = "Active";
} else if (agent.drain_info) {
// Transform the drain state so only the first letter is capitalized.
var s = agent.drain_info.state;
agent.state = s.charAt(0).toUpperCase() + s.slice(1).toLowerCase();
} else {
agent.state = "Deactivated";
}
$scope.agents[agent.id] = agent;
$scope.total_cpus += agent.resources.cpus;
$scope.total_gpus += agent.resources.gpus;
$scope.total_mem += agent.resources.mem;
$scope.total_disk += agent.resources.disk;
});
var setTaskMetadata = function(task) {
if (!task.executor_id) {
task.executor_id = task.id;
}
if (task.statuses.length > 0) {
var firstStatus = task.statuses[0];
if (!isStateTerminal(firstStatus.state)) {
task.start_time = firstStatus.timestamp * 1000;
}
var lastStatus = task.statuses[task.statuses.length - 1];
if (isStateTerminal(task.state)) {
task.finish_time = lastStatus.timestamp * 1000;
}
task.healthy = lastStatus.healthy;
}
};
var isStateTerminal = function(taskState) {
var terminalStates = [
'TASK_ERROR',
'TASK_FAILED',
'TASK_FINISHED',
'TASK_KILLED',
'TASK_LOST',
'TASK_DROPPED',
'TASK_GONE',
'TASK_GONE_BY_OPERATOR'
];
return terminalStates.indexOf(taskState) > -1;
};
_.each($scope.state.frameworks, function(framework) {
$scope.frameworks[framework.id] = framework;
// Fill in the `roles` field for non-MULTI_ROLE schedulers.
if (framework.role) {
framework.roles = [framework.role];
}
_.each(framework.offers, function(offer) {
$scope.offers[offer.id] = offer;
$scope.offered_cpus += offer.resources.cpus;
$scope.offered_gpus += offer.resources.gpus;
$scope.offered_mem += offer.resources.mem;
$scope.offered_disk += offer.resources.disk;
offer.framework_name = $scope.frameworks[offer.framework_id].name;
offer.hostname = $scope.agents[offer.slave_id].hostname;
});
$scope.used_cpus += framework.resources.cpus;
$scope.used_gpus += framework.resources.gpus;
$scope.used_mem += framework.resources.mem;
$scope.used_disk += framework.resources.disk;
framework.cpus_share = 0;
if ($scope.total_cpus > 0) {
framework.cpus_share = framework.used_resources.cpus / $scope.total_cpus;
}
framework.gpus_share = 0;
if ($scope.total_gpus > 0) {
framework.gpus_share = framework.used_resources.gpus / $scope.total_gpus;
}
framework.mem_share = 0;
if ($scope.total_mem > 0) {
framework.mem_share = framework.used_resources.mem / $scope.total_mem;
}
framework.disk_share = 0;
if ($scope.total_disk > 0) {
framework.disk_share = framework.used_resources.disk / $scope.total_disk;
}
framework.max_share = Math.max(
framework.cpus_share,
framework.gpus_share,
framework.mem_share,
framework.disk_share);
// If the executor ID is empty, this is a command executor with an
// internal executor ID generated from the task ID.
// TODO(brenden): Remove this once
// https://issues.apache.org/jira/browse/MESOS-527 is fixed.
_.each(framework.tasks, setTaskMetadata);
_.each(framework.unreachable_tasks, setTaskMetadata);
_.each(framework.completed_tasks, setTaskMetadata);
// TODO(bmahler): Add per-framework metrics to the master so that
// the webui does not need to loop over all tasks!
framework.running_tasks = 0;
framework.staging_tasks = 0;
framework.starting_tasks = 0;
framework.killing_tasks = 0;
_.each(framework.tasks, function(task) {
switch (task.state) {
case "TASK_STAGING": framework.staging_tasks += 1; break;
case "TASK_STARTING": framework.starting_tasks += 1; break;
case "TASK_RUNNING": framework.running_tasks += 1; break;
case "TASK_KILLING": framework.killing_tasks += 1; break;
default: break;
}
})
framework.finished_tasks = 0;
framework.killed_tasks = 0;
framework.failed_tasks = 0;
framework.lost_tasks = 0;
_.each(framework.completed_tasks, function(task) {
switch (task.state) {
case "TASK_FINISHED": framework.finished_tasks += 1; break;
case "TASK_KILLED": framework.killed_tasks += 1; break;
case "TASK_FAILED": framework.failed_tasks += 1; break;
case "TASK_LOST": framework.lost_tasks += 1; break;
default: break;
}
})
$scope.active_tasks = $scope.active_tasks.concat(framework.tasks);
$scope.unreachable_tasks = $scope.unreachable_tasks.concat(framework.unreachable_tasks);
$scope.completed_tasks =
$scope.completed_tasks.concat(framework.completed_tasks);
});
_.each($scope.state.completed_frameworks, function(framework) {
$scope.completed_frameworks[framework.id] = framework;
// Fill in the `roles` field for non-MULTI_ROLE schedulers.
if (framework.role) {
framework.roles = [framework.role];
}
_.each(framework.completed_tasks, setTaskMetadata);
});
$scope.used_cpus -= $scope.offered_cpus;
$scope.used_gpus -= $scope.offered_gpus;
$scope.used_mem -= $scope.offered_mem;
$scope.used_disk -= $scope.offered_disk;
$scope.idle_cpus = $scope.total_cpus - ($scope.offered_cpus + $scope.used_cpus);
$scope.idle_gpus = $scope.total_gpus - ($scope.offered_gpus + $scope.used_gpus);
$scope.idle_mem = $scope.total_mem - ($scope.offered_mem + $scope.used_mem);
$scope.idle_disk = $scope.total_disk - ($scope.offered_disk + $scope.used_disk);
$scope.time_since_update = 0;
$scope.$broadcast('state_updated');
return true; // Continue polling.
}
// Update the outermost scope with the metrics/snapshot endpoint.
function updateMetrics($scope, $timeout, metrics) {
$scope.staging_tasks = metrics['master/tasks_staging'];
$scope.starting_tasks = metrics['master/tasks_starting'];
$scope.running_tasks = metrics['master/tasks_running'];
$scope.killing_tasks = metrics['master/tasks_killing'];
$scope.finished_tasks = metrics['master/tasks_finished'];
$scope.killed_tasks = metrics['master/tasks_killed'];
$scope.failed_tasks = metrics['master/tasks_failed'];
$scope.lost_tasks = metrics['master/tasks_lost'];
return true; // Continue polling.
}
// Main controller that can be used to handle "global" events. E.g.,:
// $scope.$on('$afterRouteChange', function() { ...; });
//
// In addition, the MainCtrl encapsulates the "view", allowing the
// active controller/view to easily access anything in scope (e.g.,
// the state).
mesosApp.controller('MainCtrl', [
'$scope', '$http', '$location', '$timeout', '$modal',
function($scope, $http, $location, $timeout, $modal) {
$scope.doneLoading = true;
// Adding bindings into scope so that they can be used from within
// AngularJS expressions.
$scope._ = _;
$scope.stringify = JSON.stringify;
$scope.encodeURIComponent = encodeURIComponent;
$scope.basename = function(path) {
// This is only a basic version of basename that handles the cases we care
// about, rather than duplicating unix basename functionality perfectly.
if (path === '/') {
return path; // Handle '/'.
}
// Strip a trailing '/' if present.
if (path.length > 0 && path.lastIndexOf('/') === (path.length - 1)) {
path = path.substr(0, path.length - 1);
}
return path.substr(path.lastIndexOf('/') + 1);
};
$scope.$location = $location;
$scope.delay = 2000;
$scope.retry = 0;
$scope.time_since_update = 0;
$scope.isErrorModalOpen = false;
// Ordered Array of path => activeTab mappings. On successful route changes,
// the `pathRegexp` values are matched against the current route. The first
// match will be used to set the active navbar tab.
var NAVBAR_PATHS = [
{
pathRegexp: /^\/agents/,
tab: 'agents'
},
{
pathRegexp: /^\/frameworks/,
tab: 'frameworks'
},
{
pathRegexp: /^\/roles/,
tab: 'roles'
},
{
pathRegexp: /^\/offers/,
tab: 'offers'
},
{
pathRegexp: /^\/maintenance/,
tab: 'maintenance'
}
];
// Set the active tab on route changes according to NAVBAR_PATHS.
$scope.$on('$routeChangeSuccess', function(event, current) {
var path = current.$$route.originalPath;
// Use _.some so the loop can exit on the first `pathRegexp` match.
var matched = _.some(NAVBAR_PATHS, function(nav) {
if (path.match(nav.pathRegexp)) {
$scope.navbarActiveTab = nav.tab;
return true;
}
});
if (!matched) $scope.navbarActiveTab = null;
});
var popupErrorModal = function() {
if ($scope.delay >= 128000) {
$scope.delay = 2000;
} else {
$scope.delay = $scope.delay * 2;
}
$scope.isErrorModalOpen = true;
var errorModal = $modal.open({
controller: function($scope, $modalInstance, scope) {
// Give the modal reference to the root scope so it can access the
// `retry` variable. It needs to be passed by reference, not by
// value, since its value is changed outside the scope of the
// modal.
$scope.rootScope = scope;
},
resolve: {
scope: function() { return $scope; }
},
templateUrl: "template/dialog/master-gone.html"
});
// Make it such that everytime we hide the error-modal, we stop the
// countdown and restart the polling.
errorModal.result.then(function() {
$scope.isErrorModalOpen = false;
if ($scope.countdown != null) {
if ($timeout.cancel($scope.countdown)) {
// Restart since they cancelled the countdown.
$scope.delay = 2000;
}
}
// Start polling again, but do it asynchronously (and wait at
// least a second because otherwise the error-modal won't get
// properly shown).
$timeout(pollState, 1000);
$timeout(pollMetrics, 1000);
});
$scope.retry = $scope.delay;
var countdown = function() {
if ($scope.retry === 0) {
errorModal.close();
} else {
$scope.retry = $scope.retry - 1000;
$scope.countdown = $timeout(countdown, 1000);
}
};
countdown();
};
var pollState = function() {
// When the current master is not the leader, the request is redirected to
// the leading master automatically. This would cause a CORS error if we
// use XMLHttpRequest here. To avoid the CORS error, we use JSONP as a
// workaround. Please refer to MESOS-5911 for further details.
//
// Note that `$scope.state` will not be defined during the first
// request.
var leader_info = $scope.state ? $scope.state.leader_info : null;
$http.jsonp(leadingMasterURLPrefix(leader_info) +
'/master/state?jsonp=JSON_CALLBACK')
.success(function(response) {
if (updateState($scope, $timeout, response)) {
$scope.delay = updateInterval(_.size($scope.agents));
$timeout(pollState, $scope.delay);
}
})
.error(function() {
if ($scope.isErrorModalOpen === false) {
popupErrorModal();
}
});
};
var pollMetrics = function() {
var leader_info = $scope.state ? $scope.state.leader_info : null;
$http.jsonp(leadingMasterURLPrefix(leader_info) +
'/metrics/snapshot?jsonp=JSON_CALLBACK')
.success(function(response) {
if (updateMetrics($scope, $timeout, response)) {
$scope.delay = updateInterval(_.size($scope.agents));
$timeout(pollMetrics, $scope.delay);
}
})
.error(function(message, code) {
if ($scope.isErrorModalOpen === false) {
// If return code is 401 or 403 the user is unauthorized to reach
// the endpoint, which is not a connection error.
if ([401, 403].indexOf(code) < 0) {
popupErrorModal();
}
}
});
};
pollState();
pollMetrics();
}]);
mesosApp.controller('HomeCtrl', function($scope) {
var hostname = $scope.$location.host() + ':' + $scope.$location.port();
var update = function() {
$scope.streamLogs = function(_$event) {
pailer(
leadingMasterURLPrefix($scope.state.leader_info),
'/master/log',
'Mesos Master (' + hostname + ')');
};
// Note that we always show the leader's log, which is why
// we examine the leader's flags to determine whether the
// log file is attached.
$scope.log_file_attached =
$scope.state.flags.external_log_file || $scope.state.flags.log_dir;
$scope.leader_url_prefix =
leadingMasterURLPrefix($scope.state.leader_info);
};
if ($scope.state) {
update();
}
var removeListener = $scope.$on('state_updated', update);
$scope.$on('$routeChangeStart', removeListener);
});
mesosApp.controller('FrameworksCtrl', function() {});
mesosApp.controller('RolesCtrl', function($scope, $http) {
var update = function() {
$http.jsonp(leadingMasterURLPrefix($scope.state.leader_info) +
'/master/roles?jsonp=JSON_CALLBACK')
.success(function(response) {
$scope.roles = response;
})
.error(function() {
if ($scope.isErrorModalOpen === false) {
popupErrorModal();
}
});
};
if ($scope.state) {
update();
}
$scope.show_weight = false;
$scope.show_framework_count = false;
$scope.show_offered = false;
$scope.show_allocated = true;
$scope.show_reserved = true;
$scope.show_quota_consumption = true;
$scope.show_quota_guarantee = false;
$scope.show_quota_limit = true;
var removeListener = $scope.$on('state_updated', update);
$scope.$on('$routeChangeStart', removeListener);
});
mesosApp.controller('OffersCtrl', function() {});
mesosApp.controller('MaintenanceCtrl', function($scope, $http) {
var update = function() {
$http.jsonp(leadingMasterURLPrefix($scope.state.leader_info) +
'/master/maintenance/schedule?jsonp=JSON_CALLBACK')
.success(function(response) {
$scope.maintenance = response;
})
.error(function() {
if ($scope.isErrorModalOpen === false) {
popupErrorModal();
}
});
};
if ($scope.state) {
update();
}
var removeListener = $scope.$on('state_updated', update);
$scope.$on('$routeChangeStart', removeListener);
});
mesosApp.controller('FrameworkCtrl', function($scope, $routeParams) {
var update = function() {
if ($routeParams.id in $scope.completed_frameworks) {
$scope.framework = $scope.completed_frameworks[$routeParams.id];
$scope.alert_message = 'This framework has terminated!';
$('#alert').show();
$('#framework').show();
} else if ($routeParams.id in $scope.frameworks) {
$scope.framework = $scope.frameworks[$routeParams.id];
$('#framework').show();
} else {
$scope.alert_message = 'No framework found with ID: ' + $routeParams.id;
$('#alert').show();
}
};
if ($scope.state) {
update();
}
var removeListener = $scope.$on('state_updated', update);
$scope.$on('$routeChangeStart', removeListener);
});
mesosApp.controller('AgentsCtrl', function() {});
mesosApp.controller('AgentCtrl', [
'$scope', '$routeParams', '$http', '$q', '$timeout', 'top',
function($scope, $routeParams, $http, $q, $timeout, $top) {
$scope.agent_id = $routeParams.agent_id;
var update = function() {
if (!($routeParams.agent_id in $scope.agents)) {
$scope.alert_message = 'No agent found with ID: ' + $routeParams.agent_id;
$('#alert').show();
return;
}
var agent = $scope.agents[$routeParams.agent_id];
$scope.streamLogs = function(_$event) {
pailer(agentURLPrefix(agent, false), '/slave/log', 'Mesos Agent (' + agent.id + ')');
};
// Set up polling for the monitor if this is the first update.
if (!$top.started()) {
$top.start(
agentURLPrefix(agent, true) + '/monitor/statistics?jsonp=JSON_CALLBACK',
$scope
);
}
$http.jsonp(agentURLPrefix(agent, true) + '/state?jsonp=JSON_CALLBACK')
.success(function(response) {
$scope.state = response;
$scope.agent = {};
$scope.agent.frameworks = {};
$scope.agent.completed_frameworks = {};
$scope.agent.resource_providers = {};
$scope.agent.url_prefix = agentURLPrefix(agent, false);
// The agent attaches a "/slave/log" file when either
// of these flags are set.
$scope.agent.log_file_attached = $scope.state.external_log_file || $scope.state.log_dir;
$scope.agent.drain_config = response.drain_config;
if (response.estimated_drain_start_time_seconds && response.drain_config.max_grace_period) {
$scope.agent.estimated_drain_end_time_seconds =
response.estimated_drain_start_time_seconds +
(response.drain_config.max_grace_period.nanoseconds / 1000000000);
}
// Convert the reserved resources map into an array for inclusion
// in an `ng-repeat` table.
$scope.agent.reserved_resources_as_array = _($scope.state.reserved_resources)
.map(function(reservation, role) {
reservation.role = role;
return reservation;
});
// Compute resource provider information.
_.each($scope.state.resource_providers, function(provider) {
// Store a summarized representation of the resource provider's
// total scalar resources in the `total_resources` field; the full
// original data is available under `total_resources_full`.
provider.total_resources_full = _.clone(provider.total_resources);
// provider.total_resources = {};
_.each(provider.total_resources_full, function(resource) {
if (resource.type != "SCALAR") {
return;
}
if (!provider.total_resources[resource.name]) {
provider.total_resources[resource.name] = 0;
}
provider.total_resources[resource.name] += resource.scalar.value;
});
$scope.agent.resource_providers[provider.resource_provider_info.id.value] = provider;
});
// Computes framework stats by setting new attributes on the 'framework'
// object.
function computeFrameworkStats(framework) {
framework.num_tasks = 0;
framework.cpus = 0;
framework.gpus = 0;
framework.mem = 0;
framework.disk = 0;
_.each(framework.executors, function(executor) {
framework.num_tasks += _.size(executor.tasks);
framework.cpus += executor.resources.cpus;
framework.gpus += executor.resources.gpus;
framework.mem += executor.resources.mem;
framework.disk += executor.resources.disk;
});
}
// Compute framework stats and update agent's mappings of those
// frameworks.
_.each($scope.state.frameworks, function(framework) {
$scope.agent.frameworks[framework.id] = framework;
computeFrameworkStats(framework);
// Fill in the `roles` field for non-MULTI_ROLE schedulers.
if (framework.role) {
framework.roles = [framework.role];
}
});
_.each($scope.state.completed_frameworks, function(framework) {
$scope.agent.completed_frameworks[framework.id] = framework;
computeFrameworkStats(framework);
// Fill in the `roles` field for non-MULTI_ROLE schedulers.
if (framework.role) {
framework.roles = [framework.role];
}
});
$scope.state.allocated_resources = {};
$scope.state.allocated_resources.cpus = 0;
$scope.state.allocated_resources.gpus = 0;
$scope.state.allocated_resources.mem = 0;
$scope.state.allocated_resources.disk = 0;
// Currently the agent does not expose the total allocated
// resources across all frameworks, so we sum manually.
_.each($scope.state.frameworks, function(framework) {
$scope.state.allocated_resources.cpus += framework.cpus;
$scope.state.allocated_resources.gpus += framework.gpus;
$scope.state.allocated_resources.mem += framework.mem;
$scope.state.allocated_resources.disk += framework.disk;
});
$('#agent').show();
})
.error(function(reason) {
$scope.alert_message = 'Failed to get agent usage / state: ' + reason;
$('#alert').show();
});
$http.jsonp(agentURLPrefix(agent, false) + '/metrics/snapshot?jsonp=JSON_CALLBACK')
.success(function (response) {
$scope.staging_tasks = response['slave/tasks_staging'];
$scope.starting_tasks = response['slave/tasks_starting'];
$scope.running_tasks = response['slave/tasks_running'];
$scope.killing_tasks = response['slave/tasks_killing'];
$scope.finished_tasks = response['slave/tasks_finished'];
$scope.killed_tasks = response['slave/tasks_killed'];
$scope.failed_tasks = response['slave/tasks_failed'];
$scope.lost_tasks = response['slave/tasks_lost'];
})
.error(function(reason) {
$scope.alert_message = 'Failed to get agent metrics: ' + reason;
$('#alert').show();
});
};
if ($scope.state) {
update();
}
var removeListener = $scope.$on('state_updated', update);
$scope.$on('$routeChangeStart', removeListener);
}]);
mesosApp.controller('AgentFrameworkCtrl', [
'$scope', '$routeParams', '$http', '$q', '$timeout', 'top',
function($scope, $routeParams, $http, $q, $timeout, $top) {
$scope.agent_id = $routeParams.agent_id;
$scope.framework_id = $routeParams.framework_id;
var update = function() {
if (!($routeParams.agent_id in $scope.agents)) {
$scope.alert_message = 'No agent found with ID: ' + $routeParams.agent_id;
$('#alert').show();
return;
}
var agent = $scope.agents[$routeParams.agent_id];
// Set up polling for the monitor if this is the first update.
if (!$top.started()) {
$top.start(
agentURLPrefix(agent, true) + '/monitor/statistics?jsonp=JSON_CALLBACK',
$scope
);
}
$http.jsonp(agentURLPrefix(agent, true) + '/state?jsonp=JSON_CALLBACK')
.success(function (response) {
$scope.state = response;
$scope.agent = {};
function matchFramework(framework) {
return $scope.framework_id === framework.id;
}
// Find the framework; it's either active or completed.
$scope.framework =
_.find($scope.state.frameworks, matchFramework) ||
_.find($scope.state.completed_frameworks, matchFramework);
if (!$scope.framework) {
$scope.alert_message = 'No framework found with ID: ' + $routeParams.framework_id;
$('#alert').show();
return;
}
// Fill in the `roles` field for non-MULTI_ROLE schedulers.
if ($scope.framework.role) {
$scope.framework.roles = [$scope.framework.role];
}
// Compute the framework stats.
$scope.framework.num_tasks = 0;
$scope.framework.cpus = 0;
$scope.framework.gpus = 0;
$scope.framework.mem = 0;
$scope.framework.disk = 0;
_.each($scope.framework.executors, function(executor) {
$scope.framework.num_tasks += _.size(executor.tasks);
$scope.framework.cpus += executor.resources.cpus;
$scope.framework.gpus += executor.resources.gpus;
$scope.framework.mem += executor.resources.mem;
$scope.framework.disk += executor.resources.disk;
// If 'role' is not present in executor, we are talking
// to a non-MULTI_ROLE capable agent. This means that we
// can use the 'role' of the framework.
executor.role = executor.role || $scope.framework.role;
});
$('#agent').show();
})
.error(function (reason) {
$scope.alert_message = 'Failed to get agent usage / state: ' + reason;
$('#alert').show();
});
};
if ($scope.state) {
update();
}
var removeListener = $scope.$on('state_updated', update);
$scope.$on('$routeChangeStart', removeListener);
}]);
mesosApp.controller('AgentExecutorCtrl', [
'$scope', '$routeParams', '$http', '$q', '$timeout', 'top',
function($scope, $routeParams, $http, $q, $timeout, $top) {
$scope.agent_id = $routeParams.agent_id;
$scope.framework_id = $routeParams.framework_id;
$scope.executor_id = $routeParams.executor_id;
var update = function() {
if (!($routeParams.agent_id in $scope.agents)) {
$scope.alert_message = 'No agent found with ID: ' + $routeParams.agent_id;
$('#alert').show();
return;
}
var agent = $scope.agents[$routeParams.agent_id];
// Set up polling for the monitor if this is the first update.
if (!$top.started()) {
$top.start(
agentURLPrefix(agent, true) + '/monitor/statistics?jsonp=JSON_CALLBACK',
$scope
);
}
$http.jsonp(agentURLPrefix(agent, true) + '/state?jsonp=JSON_CALLBACK')
.success(function (response) {
$scope.state = response;
$scope.agent = {};
function matchFramework(framework) {
return $scope.framework_id === framework.id;
}
// Find the framework; it's either active or completed.
$scope.framework =
_.find($scope.state.frameworks, matchFramework) ||
_.find($scope.state.completed_frameworks, matchFramework);
if (!$scope.framework) {
$scope.alert_message = 'No framework found with ID: ' + $routeParams.framework_id;
$('#alert').show();
return;
}
function matchExecutor(executor) {
return $scope.executor_id === executor.id;
}
function setRole(tasks) {
_.each(tasks, function(task) {
task.role = $scope.framework.role;
});
}
function setHealth(tasks) {
_.each(tasks, function(task) {
var lastStatus = _.last(task.statuses);
if (lastStatus) {
task.healthy = lastStatus.healthy;
}
})
}
// Look for the executor; it's either active or completed.
$scope.executor =