feat(cloudwatch): lots of code refactoring and cleanup, #684, dimension values lookup works but seems to return all dimension values no matter what dimension key you select, removed strange formating of template dimension values query, should not return key value pair but only the dimension value

This commit is contained in:
Torkel Ödegaard
2015-10-02 09:04:46 +02:00
parent 91285baea5
commit 04f4454974
6 changed files with 82 additions and 136 deletions

View File

@@ -10,7 +10,7 @@ function (angular, _) {
var module = angular.module('grafana.services');
module.factory('CloudWatchDatasource', function($q, $http, templateSrv) {
module.factory('CloudWatchDatasource', function($q, backendSrv, templateSrv) {
function CloudWatchDatasource(datasource) {
this.type = 'cloudwatch';
@@ -173,7 +173,7 @@ function (angular, _) {
return _.isEmpty(u);
})
.map(function(u) {
return $http({ method: 'GET', url: u });
return backendSrv.datasourceRequest({ method: 'GET', url: u });
})
)
.then(function(allResponse) {
@@ -218,7 +218,7 @@ function (angular, _) {
var queries = [];
_.each(options.targets, _.bind(function(target) {
if (!target.namespace || !target.metricName || _.isEmpty(target.statistics)) {
if (target.hide || !target.namespace || !target.metricName || _.isEmpty(target.statistics)) {
return;
}
@@ -263,19 +263,20 @@ function (angular, _) {
};
CloudWatchDatasource.prototype.performTimeSeriesQuery = function(query, start, end) {
var cloudwatch = this.getAwsClient(query.region, 'CloudWatch');
var params = {
Namespace: query.namespace,
MetricName: query.metricName,
Dimensions: query.dimensions,
Statistics: query.statistics,
StartTime: start,
EndTime: end,
Period: query.period
};
return cloudwatch.getMetricStatistics(params);
return this.awsRequest({
region: query.region,
service: 'CloudWatch',
action: 'GetMetricStatistics',
parameters: {
namespace: query.namespace,
metricName: query.metricName,
dimensions: query.dimensions,
statistics: query.statistics,
startTime: start,
endTime: end,
period: query.period
}
});
};
CloudWatchDatasource.prototype.getRegions = function() {
@@ -297,38 +298,36 @@ function (angular, _) {
};
CloudWatchDatasource.prototype.getDimensionValues = function(region, namespace, metricName, dimensions) {
region = templateSrv.replace(region);
namespace = templateSrv.replace(namespace);
metricName = templateSrv.replace(metricName);
var request = {
region: templateSrv.replace(region),
service: 'CloudWatch',
action: 'ListMetrics',
parameters: {
namespace: templateSrv.replace(namespace),
metricName: templateSrv.replace(metricName),
dimensions: convertDimensionFormat(dimensions),
}
};
var cloudwatch = this.getAwsClient(region, 'CloudWatch');
var params = {Namespace: namespace, MetricName: metricName};
if (!_.isEmpty(dimensions)) {
params.Dimensions = convertDimensionFormat(dimensions);
}
return cloudwatch.listMetrics(params).then(function(result) {
return this.awsRequest(request).then(function(result) {
return _.chain(result.Metrics).map(function(metric) {
return metric.Dimensions;
}).reject(function(metric) {
return _.isEmpty(metric);
return _.pluck(metric.Dimensions, 'Value');
}).flatten().uniq().sortBy(function(name) {
return name;
}).value();
});
};
CloudWatchDatasource.prototype.performEC2DescribeInstances = function(region, filters, instanceIds) {
var ec2 = this.getAwsClient(region, 'EC2');
var params = {};
if (filters.length > 0) {
params.Filters = filters;
}
if (instanceIds.length > 0) {
params.InstanceIds = instanceIds;
}
return ec2.describeInstances(params);
return this.awsRequest({
region: region,
service: 'EC2',
action: 'DescribeInstances',
parameters: {
filter: filters,
instanceIds: instanceIds
}
});
};
CloudWatchDatasource.prototype.metricFindQuery = function(query) {
@@ -382,21 +381,7 @@ function (angular, _) {
});
}
return this.getDimensionValues(region, namespace, metricName, dimensions)
.then(function(suggestData) {
return _.map(suggestData, function(dimensions) {
var result = _.chain(dimensions)
.sortBy(function(dimension) {
return dimension.Name;
})
.map(function(dimension) {
return dimension.Name + '=' + dimension.Value;
})
.value().join(',');
return { text: result };
});
});
return this.getDimensionValues(region, namespace, metricName, dimensions).then(transformSuggestData);
}
var ebsVolumeIdsQuery = query.match(/^ebs_volume_ids\(([^,]+?),\s?([^,]+?)\)/);
@@ -431,42 +416,16 @@ function (angular, _) {
});
};
CloudWatchDatasource.prototype.getAwsClient = function(region, service) {
var self = this;
var generateRequestProxy = function(service, action) {
return function(params) {
var data = {
region: region,
service: service,
action: action,
parameters: params
};
var options = {
method: 'POST',
url: self.proxyUrl,
data: data
};
return $http(options).then(function(result) {
return result.data;
});
};
CloudWatchDatasource.prototype.awsRequest = function(data) {
var options = {
method: 'POST',
url: this.proxyUrl,
data: data
};
switch (service) {
case 'CloudWatch': {
return {
getMetricStatistics: generateRequestProxy('CloudWatch', 'GetMetricStatistics'),
listMetrics: generateRequestProxy('CloudWatch', 'ListMetrics')
};
}
case 'EC2': {
return {
describeInstances: generateRequestProxy('EC2', 'DescribeInstances')
};
}
}
return backendSrv.datasourceRequest(options).then(function(result) {
return result.data;
});
};
CloudWatchDatasource.prototype.getDefaultRegion = function() {

View File

@@ -99,13 +99,7 @@ function (angular, _) {
$scope.target.metricName,
$scope.target.dimensions
).then(function(result) {
var suggestData = _.chain(result)
.flatten(true)
.pluck('Value')
.uniq()
.value();
callback(suggestData);
callback(result);
}, function() {
callback([]);
});

View File

@@ -10,7 +10,7 @@ describe('CloudWatchDatasource', function() {
beforeEach(angularMocks.module('grafana.services'));
beforeEach(angularMocks.module('grafana.controllers'));
beforeEach(ctx.providePhase(['templateSrv']));
beforeEach(ctx.providePhase(['templateSrv', 'backendSrv']));
beforeEach(ctx.createService('CloudWatchDatasource'));
beforeEach(function() {
ctx.ds = new ctx.service({
@@ -53,24 +53,21 @@ describe('CloudWatchDatasource', function() {
};
beforeEach(function() {
ctx.ds.getAwsClient = function() {
return {
getMetricStatistics: function(params) {
requestParams = params;
return ctx.$q.when(response);
}
};
ctx.backendSrv.datasourceRequest = function(params) {
requestParams = params;
return ctx.$q.when({data: response});
};
});
it('should generate the correct query', function(done) {
ctx.ds.query(query).then(function() {
expect(requestParams.Namespace).to.be(query.targets[0].namespace);
expect(requestParams.MetricName).to.be(query.targets[0].metricName);
expect(requestParams.Dimensions[0].Name).to.be(Object.keys(query.targets[0].dimensions)[0]);
expect(requestParams.Dimensions[0].Value).to.be(query.targets[0].dimensions[Object.keys(query.targets[0].dimensions)[0]]);
expect(requestParams.Statistics).to.eql(Object.keys(query.targets[0].statistics));
expect(requestParams.Period).to.be(query.targets[0].period);
var params = requestParams.data.parameters;
expect(params.namespace).to.be(query.targets[0].namespace);
expect(params.metricName).to.be(query.targets[0].metricName);
expect(params.dimensions[0].Name).to.be(Object.keys(query.targets[0].dimensions)[0]);
expect(params.dimensions[0].Value).to.be(query.targets[0].dimensions[Object.keys(query.targets[0].dimensions)[0]]);
expect(params.statistics).to.eql(Object.keys(query.targets[0].statistics));
expect(params.period).to.be(query.targets[0].period);
done();
});
ctx.$rootScope.$apply();
@@ -105,13 +102,9 @@ describe('CloudWatchDatasource', function() {
};
beforeEach(function() {
ctx.ds.getAwsClient = function() {
return {
listMetrics: function(params) {
requestParams = params;
return ctx.$q.when(response);
}
};
ctx.backendSrv.datasourceRequest = function(params) {
requestParams = params;
return ctx.$q.when({data: response});
};
});
@@ -158,7 +151,7 @@ describe('CloudWatchDatasource', function() {
var query = 'dimension_values(us-east-1,AWS/EC2,CPUUtilization)';
ctx.ds.metricFindQuery(query).then(function(result) {
result = result.map(function(v) { return v.text; });
expect(result).to.eql(['InstanceId=i-12345678']);
expect(result).to.eql(['i-12345678']);
done();
});
ctx.$rootScope.$apply();