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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.
*/
solrAdminApp.controller('CloudController',
function($scope, $location, Zookeeper, Constants) {
$scope.showDebug = false;
$scope.$on("cloud-dump", function(event) {
$scope.showDebug = true;
});
$scope.closeDebug = function() {
$scope.showDebug = false;
}
var view = $location.search().view ? $location.search().view : "graph";
if (view == "tree") {
$scope.resetMenu("cloud-tree", Constants.IS_ROOT_PAGE);
treeSubController($scope, Zookeeper);
} else if (view == "rgraph") {
$scope.resetMenu("cloud-rgraph", Constants.IS_ROOT_PAGE);
graphSubController($scope, Zookeeper, true);
} else if (view == "graph") {
$scope.resetMenu("cloud-graph", Constants.IS_ROOT_PAGE);
graphSubController($scope, Zookeeper, false);
}
}
);
var treeSubController = function($scope, Zookeeper) {
$scope.showTree = true;
$scope.showGraph = false;
$scope.tree = {};
$scope.showData = false;
$scope.showTreeLink = function(link) {
var path = decodeURIComponent(link.replace(/.*[\\?&]path=([^&#]*).*/, "$1"));
Zookeeper.detail({path: path}, function(data) {
$scope.znode = data.znode;
var path = data.znode.path.split( '.' );
if(path.length >1) {
$scope.lang = path.pop();
} else {
var lastPathElement = data.znode.path.split( '/' ).pop();
if (lastPathElement == "managed-schema") {
$scope.lang = "xml";
}
}
$scope.showData = true;
});
};
$scope.hideData = function() {
$scope.showData = false;
};
$scope.initTree = function() {
Zookeeper.simple(function(data) {
$scope.tree = data.tree;
});
};
$scope.initTree();
};
var graphSubController = function ($scope, Zookeeper, isRadial) {
$scope.showTree = false;
$scope.showGraph = true;
$scope.filterType = "status";
$scope.helperData = {
protocol: [],
host: [],
hostname: [],
port: [],
pathname: []
};
$scope.next = function() {
$scope.pos += $scope.rows;
$scope.initGraph();
}
$scope.previous = function() {
$scope.pos = Math.max(0, $scope.pos - $scope.rows);
$scope.initGraph();
}
$scope.resetGraph = function() {
$scope.pos = 0;
$scope.initGraph();
}
$scope.initGraph = function() {
Zookeeper.liveNodes(function (data) {
var live_nodes = {};
for (var c in data.tree[0].children) {
live_nodes[data.tree[0].children[c].data.title] = true;
}
var params = {view: "graph"};
if ($scope.rows) {
params.start = $scope.pos;
params.rows = $scope.rows;
}
var filter = ($scope.filterType=='status') ? $scope.pagingStatusFilter : $scope.pagingFilter;
if (filter) {
params.filterType = $scope.filterType;
params.filter = filter;
}
Zookeeper.clusterState(params, function (data) {
eval("var state=" + data.znode.data); // @todo fix horrid means to parse JSON
var leaf_count = 0;
var graph_data = {
name: null,
children: []
};
for (var c in state) {
var shards = [];
for (var s in state[c].shards) {
var shard_status = state[c].shards[s].state;
shard_status = shard_status == 'inactive' ? 'shard-inactive' : shard_status;
var nodes = [];
for (var n in state[c].shards[s].replicas) {
leaf_count++;
var replica = state[c].shards[s].replicas[n]
var uri = replica.base_url;
var parts = uri.match(/^(\w+:)\/\/(([\w\d\.-]+)(:(\d+))?)(.+)$/);
var uri_parts = {
protocol: parts[1],
host: parts[2],
hostname: parts[3],
port: parseInt(parts[5] || 80, 10),
pathname: parts[6]
};
$scope.helperData.protocol.push(uri_parts.protocol);
$scope.helperData.host.push(uri_parts.host);
$scope.helperData.hostname.push(uri_parts.hostname);
$scope.helperData.port.push(uri_parts.port);
$scope.helperData.pathname.push(uri_parts.pathname);
var replica_status = replica.state;
if (!live_nodes[replica.node_name]) {
replica_status = 'gone';
} else if(shard_status=='shard-inactive') {
replica_status += ' ' + shard_status;
}
var node = {
name: uri,
data: {
type: 'node',
state: replica_status,
leader: 'true' === replica.leader,
uri: uri_parts
}
};
nodes.push(node);
}
var shard = {
name: shard_status == "shard-inactive" ? s + ' (inactive)' : s,
data: {
type: 'shard',
state: shard_status
},
children: nodes
};
shards.push(shard);
}
var collection = {
name: c,
data: {
type: 'collection'
},
children: shards
};
graph_data.children.push(collection);
}
$scope.helperData.protocol = $.unique($scope.helperData.protocol);
$scope.helperData.host = $.unique($scope.helperData.host);
$scope.helperData.hostname = $.unique($scope.helperData.hostname);
$scope.helperData.port = $.unique($scope.helperData.port);
$scope.helperData.pathname = $.unique($scope.helperData.pathname);
if (!isRadial && data.znode && data.znode.paging) {
$scope.showPaging = true;
var parr = data.znode.paging.split('|');
if (parr.length < 3) {
$scope.showPaging = false;
} else {
$scope.start = Math.max(parseInt(parr[0]), 0);
$scope.prevEnabled = ($scope.start > 0);
$scope.rows = parseInt(parr[1]);
$scope.total = parseInt(parr[2]);
if ($scope.rows == -1) {
$scope.showPaging = false;
} else {
var filterType = parr.length > 3 ? parr[3] : '';
if (filterType == '' || filterType == 'none') filterType = 'status';
+$('#cloudGraphPagingFilterType').val(filterType);
var filter = parr.length > 4 ? parr[4] : '';
var page = Math.floor($scope.start / $scope.rows) + 1;
var pages = Math.ceil($scope.total / $scope.rows);
$scope.last = Math.min($scope.start + $scope.rows, $scope.total);
$scope.nextEnabled = ($scope.last < $scope.total);
}
}
}
else {
$scope.showPaging = false;
}
$scope.graphData = graph_data;
$scope.leafCount = leaf_count;
$scope.isRadial = isRadial;
});
});
};
$scope.initGraph();
$scope.pos = 0;
};
solrAdminApp.directive('graph', function(Constants) {
return {
restrict: 'EA',
scope: {
data: "=",
leafCount: "=",
helperData: "=",
isRadial: "="
},
link: function (scope, element, attrs) {
var helper_path_class = function (p) {
var classes = ['link'];
classes.push('lvl-' + p.target.depth);
if (p.target.data && p.target.data.leader) {
classes.push('leader');
}
if (p.target.data && p.target.data.state) {
classes.push(p.target.data.state);
}
return classes.join(' ');
};
var helper_node_class = function (d) {
var classes = ['node'];
classes.push('lvl-' + d.depth);
if (d.data && d.data.leader) {
classes.push('leader');
}
if (d.data && d.data.state) {
if(!(d.data.type=='shard' && d.data.state=='active')){
classes.push(d.data.state);
}
}
return classes.join(' ');
};
var helper_node_text = function (d) {
if (!d.data || !d.data.uri) {
return d.name;
}
var name = d.data.uri.hostname;
if (1 !== scope.helperData.protocol.length) {
name = d.data.uri.protocol + '//' + name;
}
if (1 !== scope.helperData.port.length) {
name += ':' + d.data.uri.port;
}
if (1 !== scope.helperData.pathname.length) {
name += d.data.uri.pathname;
}
return name;
};
scope.$watch("data", function(newValue, oldValue) {
if (newValue) {
if (scope.isRadial) {
radialGraph(element, scope.data, scope.leafCount);
} else {
flatGraph(element, scope.data, scope.leafCount);
}
}
});
function setNodeNavigationBehavior(node, view){
node
.attr('data-href', function (d) {
if (d.type == "node"){
return getNodeUrl(d, view);
}
else{
return "";
}
})
.on('click', function(d) {
if (d.data.type == "node"){
location.href = getNodeUrl(d, view);
}
});
}
function getNodeUrl(d, view){
var url = d.name + Constants.ROOT_URL + "#/~cloud";
if (view != undefined){
url += "?view=" + view;
}
return url;
}
var flatGraph = function(element, graphData, leafCount) {
var w = element.width(),
h = leafCount * 20;
var tree = d3.layout.tree().size([h, w - 400]);
var diagonal = d3.svg.diagonal().projection(function (d) {
return [d.y, d.x];
});
d3.select('#canvas', element).html('');
var vis = d3.select('#canvas', element).append('svg')
.attr('width', w)
.attr('height', h)
.append('g')
.attr('transform', 'translate(100, 0)');
var nodes = tree.nodes(graphData);
var link = vis.selectAll('path.link')
.data(tree.links(nodes))
.enter().append('path')
.attr('class', helper_path_class)
.attr('d', diagonal);
var node = vis.selectAll('g.node')
.data(nodes)
.enter().append('g')
.attr('class', helper_node_class)
.attr('transform', function (d) {
return 'translate(' + d.y + ',' + d.x + ')';
})
node.append('circle')
.attr('r', 4.5);
node.append('text')
.attr('dx', function (d) {
return 0 === d.depth ? -8 : 8;
})
.attr('dy', function (d) {
return 5;
})
.attr('text-anchor', function (d) {
return 0 === d.depth ? 'end' : 'start';
})
.text(helper_node_text);
setNodeNavigationBehavior(node);
};
var radialGraph = function(element, graphData, leafCount) {
var max_val = Math.min(element.width(), $('body').height())
var r = max_val / 2;
var cluster = d3.layout.cluster()
.size([360, r - 160]);
var diagonal = d3.svg.diagonal.radial()
.projection(function (d) {
return [d.y, d.x / 180 * Math.PI];
});
d3.select('#canvas', element).html('');
var vis = d3.select('#canvas').append('svg')
.attr('width', r * 2)
.attr('height', r * 2)
.append('g')
.attr('transform', 'translate(' + r + ',' + r + ')');
var nodes = cluster.nodes(graphData);
var link = vis.selectAll('path.link')
.data(cluster.links(nodes))
.enter().append('path')
.attr('class', helper_path_class)
.attr('d', diagonal);
var node = vis.selectAll('g.node')
.data(nodes)
.enter().append('g')
.attr('class', helper_node_class)
.attr('transform', function (d) {
return 'rotate(' + (d.x - 90) + ')translate(' + d.y + ')';
})
node.append('circle')
.attr('r', 4.5);
node.append('text')
.attr('dx', function (d) {
return d.x < 180 ? 8 : -8;
})
.attr('dy', '.31em')
.attr('text-anchor', function (d) {
return d.x < 180 ? 'start' : 'end';
})
.attr('transform', function (d) {
return d.x < 180 ? null : 'rotate(180)';
})
.text(helper_node_text);
setNodeNavigationBehavior(node, "rgraph");
}
}
};
})
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