-
Notifications
You must be signed in to change notification settings - Fork 358
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Add prometheus view to ad hoc metrics
- Loading branch information
Showing
5 changed files
with
165 additions
and
15 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| class PrometheusProxyService < HawkularProxyService | ||
| SPECIAL_TAGS = %w(descriptor_name units metric_type type_id).freeze | ||
|
|
||
| def initialize(provider_id, controller) | ||
| @db_name = "Prometheus" | ||
| @provider_id = provider_id | ||
| @controller = controller | ||
| @ems = ExtManagementSystem.find(@provider_id.to_i) unless @provider_id.blank? | ||
| @hostname = @ems.hostname | ||
|
|
||
| @params = controller.params | ||
| @tenant = @params['tenant'] || 'kubernetes-nodes' | ||
|
|
||
| cli = ManageIQ::Providers::Kubernetes::ContainerManager::MetricsCapture::PrometheusClient.new(@ems, @tenant) | ||
| @conn = cli.prometheus_client | ||
| end | ||
|
|
||
| def metric_definitions(params) | ||
| tags = params[:tags] | ||
| tags_str = if tags.present? | ||
| tags.map { |x, y| ",#{x}=~\"#{y}\"" }.join | ||
| else | ||
| "" | ||
| end | ||
| limit = params[:limit].to_i | ||
|
|
||
| response = @conn.get( | ||
| "query_range", | ||
| :query => "{job=\"#{@tenant}\"#{tags_str}}", | ||
| :start => params[:ends] / 1000 - 10 * 12 * 60, | ||
| :end => params[:ends] / 1000, | ||
| :step => "600s" | ||
| ) | ||
|
|
||
| list = JSON.parse(response.body)["data"]["result"] | ||
|
|
||
| list = list.each_with_index.map do |o, i| | ||
| metric = o['metric'] | ||
| values = o['values'] | ||
|
|
||
| metric['descriptor_name'] = metric['__name__'] | ||
| metric['units'] = 'bytes' if metric['__name__'].include?('_bytes') | ||
| metric['units'] = 'seconds' if metric['__name__'].include?('_seconds') | ||
| metric['units'] = 'milliseconds' if metric['__name__'].include?('_milliseconds') | ||
| metric['metric_type'] = metric['type'] | ||
|
|
||
| if metric['container_name'].nil? | ||
| metric['type'] = 'machine' | ||
| metric['type_id'] = metric['instance'] | ||
| elsif metric['container_name'] == "POD" | ||
| metric['type'] = 'pod' | ||
| metric['type_id'] = metric['pod_name'] | ||
| else | ||
| metric['type'] = 'container' | ||
| metric['type_id'] = metric['container_name'] | ||
| end | ||
|
|
||
| { | ||
| "id" => "#{metric['__name__']}/#{metric['type_id']}[#{i}]", | ||
| "type" => "gauge", | ||
| "tags" => metric, | ||
| "data" => values.map { |v| { :timestamp => v[0] * 1000, :value => v[1] } } | ||
| } | ||
| end | ||
|
|
||
| list.sort { |a, b| a["id"].downcase <=> b["id"].downcase }[0...limit] | ||
| end | ||
|
|
||
| def metric_tags(params) | ||
| definitions = metric_definitions(params.merge(:tags => {:job => @tenant})) | ||
| tags = definitions.map { |x| x["tags"].keys }.flatten.uniq | ||
|
|
||
| tags.map do |tag| | ||
| { :tag => tag, :options => metric_tags_options(tag) } | ||
| end | ||
| end | ||
|
|
||
| def get_data(_id, params) | ||
| tags = params[:tags] | ||
| tags_str = if tags.present? | ||
| tags.delete("type") | ||
| tags["type"] = tags["metric_type"] if tags["metric_type"] | ||
| tags.except(*SPECIAL_TAGS).map { |x, y| ",#{x}=\"#{y}\"" }.join | ||
| else | ||
| "" | ||
| end | ||
|
|
||
| response = @conn.get( | ||
| "query_range", | ||
| :query => "{job=\"#{@tenant}\"#{tags_str}}", | ||
| :start => params[:starts] / 1000, | ||
| :end => params[:ends] / 1000, | ||
| :step => params[:bucketDuration] | ||
| ) | ||
| result = JSON.parse(response.body)["data"]["result"] | ||
|
|
||
| data = if result.length == 1 | ||
| result[0]['values'].map { |v| { :start => v[0] * 1000, :avg => v[1], :empty => "false" } } | ||
| else | ||
| [] | ||
| end | ||
| data << { :start => params[:starts] - 1, :empty => "true" } | ||
| data << { :start => params[:ends] + 1, :empty => "true" } | ||
|
|
||
| data | ||
| end | ||
|
|
||
| def tenants(_limit) | ||
| jobs = metric_tags_options("job") | ||
|
|
||
| jobs.map { |id| { :label => labelize(id), :value => id } } | ||
| end | ||
|
|
||
| def add_last_readings(metrics) | ||
| metrics | ||
| end | ||
|
|
||
| def metric_tags_options(tag) | ||
| timestamp = DateTime.now.utc.to_i | ||
| response = @conn.get("label/#{tag}/values", :_ => timestamp) | ||
|
|
||
| options = JSON.parse(response.body)["data"] | ||
| options.sort | ||
| end | ||
|
|
||
| # may be nil | ||
| def prometheus_endpoint | ||
| @ems.connection_configurations.prometheus.try(:endpoint) | ||
| end | ||
|
|
||
| def prometheus_uri | ||
| prometheus_endpoint_empty = prometheus_endpoint.try(:hostname).blank? | ||
| prometheus_endpoint_empty ? @ems.hostname : prometheus_endpoint.hostname | ||
| end | ||
| end |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters