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atsd

1.0.10
bundlerRubygems
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Axibase Time Series Database Client for Ruby

The ATSD Client for Ruby enables Ruby developers to easily read and write statistics and metadata from the Axibase Time Series Database.

API documentation: https://github.com/axibase/atsd-docs/blob/master/api/README.md

Installation

Add this line to your application's Gemfile:

gem 'atsd'

Then execute:

$ bundle

Alternatively, you can install atsd gem manually:

$ gem install atsd

Implemented Methods

Data API

  • Series
    • query
    • insert
    • csv insert
    • url query
  • Properties
    • query
    • insert
    • url query
    • type query
    • delete
  • Messages
    • insert
    • query
    • statistics
  • Alerts
    • query
    • update
    • delete
    • history query

Meta API

  • Metric
    • get
    • list
    • update
    • create or replace
    • delete
    • series
  • Entity
    • get
    • list
    • update
    • create or replace
    • delete
    • entity groups
    • metrics
    • property types
  • Entity Group
    • get
    • list
    • update
    • create or replace
    • delete
    • get entities
    • add entities
    • replace entities
    • delete entities

Usage

To start using the gem you need to create an ATSD class instance:

require 'atsd'
include ATSD
atsd = ATSD.new :url => "#{API_ENDPOINT}/api/v1", 
                :basic_auth => "#{LOGIN}:#{PASSWORD}", 
                :logger => true

Configuration

Authorization

In order to use the API, you need to specify the :basic_auth option in one of the following ways:

  • "login:password"
  • { :login => 'login', :password => 'password' }

SSL

Connecting to ATSD via SSL requires extra configuration if your ATSD instance runs on a self-signed SSL certificate. See Faraday Wiki on how to setup SSL. As a workaround you can specify the ssl: { verify: false } option in the client.

Logging

  • To use a custom logger specify it in the :logger option.
  • To use the default STDOUT logger set the :logger option to true.

Services

Once you instantiated the ATSD class, you can use different services. Each service represents a particular object type in the Axibase Time Series Database. The following services are currently implemented:

  • series_service
  • properties_service
  • messages_service
  • alerts_service
  • metrics_service
  • entities_service
  • entity_groups_service

Query builders

Query objects created by services provide convenient methods to build complex queries. They support method chaining and automatically translate snake_styled properties to CamelCase used in the API. For example, the end_time property in ruby code becomes endTime in a json request.

Series Service

Basic query:

require 'time'
series_service = atsd.series_service
# => #<ATSD::SeriesService:0x007f82a4446c08
query = series_service.query('sensor-1', 'temperature', "2015-11-17T12:00:00Z", "2015-11-17T19:00:00Z")
# => {:entity=>"sensor-1", :metric=>"temperature", :start_date=>"2015-11-17T12:00:00Z", :end_date=>"2015-11-17T19:00:00Z"}

query.class
# => ATSD::SeriesQuery

query.execute
# => [{:entity=>"sensor-1",
#    :metric=>"temperature",
#    :tags=>{},
#    :type=>"HISTORY",
#    :aggregate=>{"type"=>"DETAIL"},
#    :data=>
#     [{"t"=>1428301869000, "v"=>24.0},
#      {"t"=>1428301884000, "v"=>23.0},
#      {"t"=>1428301899000, "v"=>23.5},
# ...

query.result
# same result

s = query.result.first
s.entity
# => "sensor-1"

Aggregated query:

query.aggregate(types:[SeriesQuery::AggregateType::AVG], period:{count:1, unit:SeriesQuery::Period::HOUR})
# => {:entity=>"sensor-1",
#  :metric=>"temperature",
#  :end_time=>1428303004000,
#  :aggregate=>{:types=>["AVG"], :period=>{:count=>1, :unit=>"HOUR"}}}

query.execute
# => [{:entity=>"sensor-1",
#   :metric=>"temperature",
#   :tags=>{},
#   :type=>"HISTORY",
#   :aggregate=>{"type"=>"AVG", "period"=>{"count"=>1, "unit"=>"HOUR"}},
#   :data=>[{"t"=>1428300000000, "v"=>23.57}]}]

Query with versions:

query = atsd.series_service.query("sensor-2", "pressure", Time.parse("2015-11-17T12:00:00Z"), Time.parse("2015-11-17T19:00:00Z"), {:versioned => true})
query.execute
template = "%24s,   %13s,   %24s,   %17s,   %17s\n"
output = sprintf(template, "sample_date", "sample_value", "version_date", "version_source", "version_status")
query.result.each do |data|
    samples = data.data.sort_by{|sample| sample["version"]["d"]}
    samples.each {|sample| output << sprintf(template, sample["d"], sample["v"], sample["version"]["d"], sample["version"]["source"], sample["version"]["status"])  }
end
puts output
            sample_time,    sample_value,              version_time,      version_source,      version_status
   2015-11-17T17:00:00Z,             7.0,      2015-11-18T19:19:57Z,           gateway-1,              normal
   2015-11-17T18:00:00Z,            17.0,      2015-11-18T19:19:57Z,           gateway-1,               error
   2015-11-17T17:00:00Z,             7.0,      2015-11-18T19:22:05Z,           gateway-1,              normal
   2015-11-17T18:00:00Z,            17.0,      2015-11-18T19:22:05Z,           gateway-1,               error
   2015-11-17T17:00:00Z,             7.0,      2015-11-18T19:23:28Z,           gateway-1,              normal
   2015-11-17T18:00:00Z,            17.0,      2015-11-18T19:23:28Z,           gateway-1,               error
   2015-11-17T17:00:00Z,             7.0,      2015-11-18T19:36:18Z,           gateway-1,              normal
   2015-11-17T18:00:00Z,            17.0,      2015-11-18T19:36:18Z,           gateway-1,               error
   2015-11-17T17:00:00Z,             7.0,      2015-11-18T19:37:02Z,           gateway-1,              normal
   2015-11-17T18:00:00Z,            17.0,      2015-11-18T19:37:02Z,           gateway-1,               error
   2015-11-17T17:00:00Z,             7.0,      2015-11-18T20:41:10Z,           gateway-1,              normal
   2015-11-17T18:00:00Z,            17.0,      2015-11-18T20:41:10Z,           gateway-1,               error
   2015-11-17T17:00:00Z,             7.0,      2015-11-18T20:45:57Z,           gateway-1,              normal
   2015-11-17T18:00:00Z,            17.0,      2015-11-18T20:45:57Z,           gateway-1,               error
   2015-11-17T17:00:00Z,             7.0,      2015-11-19T11:25:40Z,           gateway-1,              normal
   2015-11-17T18:00:00Z,            17.0,      2015-11-19T11:25:40Z,           gateway-1,               error
   2015-11-17T17:00:00Z,             7.0,      2015-11-19T11:29:36Z,           gateway-1,              normal
   2015-11-17T18:00:00Z,            17.0,      2015-11-19T11:29:36Z,           gateway-1,               error
   2015-11-17T17:00:00Z,             7.0,      2015-11-19T11:32:35Z,           gateway-1,              normal
   2015-11-17T18:00:00Z,            17.0,      2015-11-19T11:32:35Z,           gateway-1,               error

Inserting Series:

s = Series.new
s.entity = 'sensor-1'
s.metric = 'temperature'
s.data = [ {d: Time.now.iso8601, v: 22} ]
atsd.series_service.insert(s)

Inserting series using Sample class:

s = Series.new
s.entity = 'sensor-1'
s.metric = 'pressure'
sample = Sample.new :date => "2015-11-17T17:00:00Z", :value => 7, :version => {:status => "normal", :source => "gateway-1"}
s.data = [ sample ]
series_service.insert(s)

Inserting Series with Versions:

sample_1 = Sample.new :date => "2015-11-17T17:00:00Z", :value => 7, :version => {:status => "normal", :source => "gateway-1"}
sample_2 = Sample.new :date => "2015-11-17T18:00:00Z", :value => 17, :version => {:status => "error", :source => "gateway-1"}
series = Series.new :entity => "sensor-1", :metric => "pressure", :data => [sample_1, sample_2]
atsd.series_service.insert(series)

CSV Insert

data.csv contents:

time, pressure, temperature
1447228800000, 39,    29.23
1447315200000, 32,    29.24
1447401600000, 40,    29.23
1447488000000, 37,    29.25
1447574400000, 39,    29.26
1447660800000, 37,    29.21
1447747200000, 38,    29.20
1447833600000, 36,    29.23
1447920000000, 37,    29.25
1448006400000, 38,    29.25

Inserting CSV data from file:

series_service.csv_insert('sensor-1', File.read('/path/to/data.csv'), { :user => 'beta' })

Retrieving series values in CSV and JSON format:

series_service.url_query('json','nurswgvml007','cpu_busy', :startDate => 'previous_minute', :endDate => 'now')
# => {"series"=>
#  [{"entity"=>"nurswgvml007",
#    "metric"=>"cpu_busy",
#    "tags"=>{},
#    "type"=>"HISTORY",
#    "aggregate"=>{"type"=>"DETAIL"},
#    "data"=>[{"t"=>1464688814000, "v"=>3.03}, {"t"=>1464688830000, "v"=>5}, {"t"=>1464688846000, "v"=>9}, {"t"=>1464688862000, "v"=>4.04}, {"t"=>1464688878000, "v"=>5.05}]}]}
series_service.url_query('csv','nurswgvml007','cpu_busy', :startDate => 'previous_minute', :endDate => 'now')
=> "time,entity,metric,value\r\n1464688862000,nurswgvml007,cpu_busy,4.04\r\n1464688878000,nurswgvml007,cpu_busy,5.05\r\n1464688894000,nurswgvml007,cpu_busy,10.2\r\n1464688910000,nurswgvml007,cpu_busy,45.95\r\n1464688926000,nurswgvml007,cpu_busy,21.36\r\n1464688942000,nurswgvml007,cpu_busy,4.04\r\n"

Properties Service

properties_service = atsd.properties_service
# => #<ATSD::PropertiesService:0x007f82a456e6f8

property = Property.new :entity => 'sensor-1', :type => 'sensor_type', :tags => {"location":"NUR","site":"building-1"}, :key => {"id": "ch-15"}
properties_service.insert(property)

properties_service.query('sensor-1', 'sensor_type', :start_date => '2015-11-17T17:00:00Z', :end_date => '2016-01-17T17:00:00Z').execute
# => [{:type=>"sensor_type",
#  :entity=>"sensor-1",
#  :tags=>{"location"=>"NUR", "site"=>"building-1"},
#  :d=>"2016-05-30T12:16:31Z",
#  :key=>{"id"=>"ch-15"}}]

properties_service.delete(property)
properties_service.query('sensor-1', 'sensor_type', :start_date => '2015-11-17T17:00:00Z', :end_date => '2016-01-17T17:00:00Z').execute
# => []

properties_service.type_query('sensor-1')
# => ["com.axibase.config",
# "configuration",
# "cpu",
# "disk",
# "sw.vmw.vm",
# "system",

properties_service.url_query('nurswgvml007','network')
# => [{"type"=>"network", "entity"=>"nurswgvml007", "key"=>{"id"=>"eth1"}, "tags"=>{"network_i/o.read-kb/s"=>"261.9", "network_i/o.write-kb/s"=>"209.9", "network_packets.read/s"=>"354.4", "network_packets.write/s"=>"339.4"}, "timestamp"=>1464680627000},
# {"type"=>"network", "entity"=>"nurswgvml007", "key"=>{"id"=>"lo"}, "tags"=>{"network_i/o.read-kb/s"=>"2.7", "network_i/o.write-kb/s"=>"2.7", "network_packets.read/s"=>"6.7", "network_packets.write/s"=>"6.7"}, "timestamp"=>1464680627000}]

Messages Service

messages_service = atsd.messages_service
# => #<ATSD::MessagesService:0x000000024156e8

message = Message.new entity: "sensor-1", type: "logger", message: "Processing file"
messages_service.insert(message)

messages_service.query("sensor-1", :limit => 5, :endDate => "now", :interval => {:count => 5, :unit => "MINUTE"}).execute
# => [{"entity"=>"sensor-1", "type"=>"logger", "source"=>"default", "severity"=>"NORMAL", "message"=>"Processing file", "date"=>"2016-06-27T14:13:17.580Z"}]

messages_service.stats_query(:entity => "sensor-1", :startDate => "current_day", :endDate => "now")
#  => [{"entity"=>"sensor-1", "metric"=>"message-count", "tags"=>{}, "type"=>"HISTORY", "aggregate"=>{"type"=>"COUNT", "interval"=>{"count"=>51363229, "unit"=>"MILLISECOND"}}, "data"=>[{"d"=>"2016-06-27T00:00:00.000Z", "v"=>1}]}]

messages_service.stats_query(:entity => "sensor-1", :startDate => "current_day", :endDate => "now", :groupKeys => "type")
#  => [{"entity"=>"sensor-1", "metric"=>"message-count", "tags"=>{"type"=>"backup"}, "type"=>"HISTORY", "aggregate"=>{"type"=>"COUNT", "interval"=>{"count"=>50071806, "unit"=>"MILLISECOND"}}, "data"=>[{"d"=>"2016-06-27T00:00:00.000Z", "v"=>4}]},
#  {"entity"=>"sensor-1", "metric"=>"message-count", "tags"=>{"type"=>"logger"}, "type"=>"HISTORY", "aggregate"=>{"type"=>"COUNT", "interval"=>{"count"=>50071806, "unit"=>"MILLISECOND"}}, "data"=>[{"d"=>"2016-06-27T00:00:00.000Z", "v"=>1485}]},
#  {"entity"=>"sensor-1", "metric"=>"message-count", "tags"=>{"type"=>"security"}, "type"=>"HISTORY", "aggregate"=>{"type"=>"COUNT", "interval"=>{"count"=>50071806, "unit"=>"MILLISECOND"}}, "data"=>[{"d"=>"2016-06-27T00:00:00.000Z", "v"=>272}]}]

messages_service.stats_query(:entity => "sensor-1", :startDate => "current_day", :endDate => "now", "groupKeys" => "type", "aggregate" => {"type" => "COUNT", "period" => {"count" => 12, "unit" => "HOUR"}})
# => [{"entity"=>"sensor-1", "metric"=>"message-count", "tags"=>{"type"=>"backup"}, "type"=>"HISTORY", "aggregate"=>{"type"=>"COUNT", "period"=>{"count"=>12, "unit"=>"HOUR"}}, "data"=>[{"d"=>"2016-06-27T00:00:00.000Z", "v"=>4}]},
# {"entity"=>"sensor-1",
#  "metric"=>"message-count",
#  "tags"=>{"type"=>"logger"},
#  "type"=>"HISTORY",
#  "aggregate"=>{"type"=>"COUNT", "period"=>{"count"=>12, "unit"=>"HOUR"}},
#  "data"=>[{"d"=>"2016-06-27T00:00:00.000Z", "v"=>1235}, {"d"=>"2016-06-27T12:00:00.000Z", "v"=>253}]},
# {"entity"=>"sensor-1",
#  "metric"=>"message-count",
#  "tags"=>{"type"=>"security"},
#  "type"=>"HISTORY",
#  "aggregate"=>{"type"=>"COUNT", "period"=>{"count"=>12, "unit"=>"HOUR"}},
#  "data"=>[{"d"=>"2016-06-27T00:00:00.000Z", "v"=>232}, {"d"=>"2016-06-27T12:00:00.000Z", "v"=>40}]}]

Alerts Service

alerts_service = atsd.alerts_service
# => #<ATSD::AlertsService:0x007faf7c0efdc0

alerts_service.query(:entity => "sensor-1", :metrics => ["meminfo.active"], :start_date => '2015-11-17T17:00:00Z', :end_date => '2016-01-17T17:00:00Z').execute
# => [{"entity"=>"sensor-1",
#  "tags"=>{},
#  "repeatCount"=>79,
#  "textValue"=>"21.9",
#  "metric"=>"meminfo.active",
#  "severity"=>3,
#  "rule"=>"memory info",
#  "openDate"=>"2016-05-30T12:33:07Z",
#  "lastEventDate"=>"2016-05-30T13:52:11Z",
#  "acknowledged"=>false,
#  "openValue"=>100.0,
#  :v=>21.9,
#  "id"=>8}]

Metrics Service

metrics_service = atsd.metrics_service
# => #<ATSD::MetricsService:0x007fbb548d9548

metrics_service.list(:limit => 10)
# => [{:name=>"activemq_metrics_count",
#     :enabled=>true,
#     :data_type=>"FLOAT",
#     :counter=>false,
#     :persistent=>true,
#     :time_precision=>"MILLISECONDS",
#     :retention_interval=>0,
#     :invalid_action=>"NONE",
#     :last_insert_time=>1428328861848},
#     :versioned=>true
#    {:name=>"activemq_properties_count",
#     :enabled=>true,
#     :data_type=>"FLOAT",
#     :counter=>false,
#     :persistent=>true,
# ...

metrics_service.series("disk_used", "entity" => "nurswgvml007")
# => => [{"metric"=>"disk_used", "entity"=>"nurswgvml007", "tags"=>{"file_system"=>"/dev/mapper/vg_nurswgvml007-lv_root", "mount_point"=>"/"}, "lastInsertDate"=>"2016-06-21T11:47:17.000Z"},
      {"metric"=>"disk_used", "entity"=>"nurswgvml007", "tags"=>{"file_system"=>"10.102.0.2:/home/store/share", "mount_point"=>"/mnt/share"}, "lastInsertDate"=>"2015-12-25T14:09:49.000Z"},
      {"metric"=>"disk_used", "entity"=>"nurswgvml007", "tags"=>{"file_system"=>"//u113452.your-backup.de/backup", "mount_point"=>"/mnt/u113452"}, "lastInsertDate"=>"2016-06-21T11:47:17.000Z"}]


metrics_service.series("disk_used", "entity" => "nurswgvml007", "tags.mount_point" => "/")
# => [{"metric"=>"disk_used", "entity"=>"nurswgvml007", 
    "tags"=>{"file_system"=>"/dev/mapper/vg_nurswgvml007-lv_root", "mount_point"=>"/"}, 
    "lastInsertDate"=>"2016-06-21T11:36:16.000Z"}]

metric = Metric.new
# => {}
metric.name = "energy_usage"
# => "energy_usaget"
metric.versioned = true
# => true
metrics_service.create_or_replace(metric)
metrics_service.get("energy_usage")
# => {:name=>"energy_usage", :enabled=>true, :data_type=>"FLOAT", :counter=>false, :persistent=>true, :tags=>{}, :time_precision=>"MILLISECONDS", :retention_interval=>0, :invalid_action=>"NONE", :versioned=>true}

Entities Service

entities_service = atsd.entities_service
# => #<ATSD::EntitiesService:0x007f82a45b40b8

entities_service.list(:limit => 10)
# => [{:name=>"atsd", :enabled=>true, :last_insert_time=>1428304482631},
#  {:name=>"mine", :enabled=>true},
#  {:name=>"test_entity", :enabled=>true, :last_insert_time=>1428304489000},
#  {:name=>"sensor-1", :enabled=>true, :last_insert_time=>1428304489000}]

entities_service.get('sensor-1')
# => {:name=>"sensor-1", :enabled=>true, :last_insert_time=>1428304499000, :tags=>{}}

entities_service.metrics('server-1')
# => [{:name=>"df.disk_size",
#   :enabled=>true,
#   :data_type=>"FLOAT",
#   :counter=>false,
#   :persistent=>true,
#   :time_precision=>"MILLISECONDS",
#   :retention_interval=>0,
#   :invalid_action=>"NONE",
#   :last_insert_time=>1428304499000},
#  {:name=>"df.disk_used",
#   :enabled=>true,
# ...

entities_service.delete(entities_service.get('server-1')) # or entities_service.delete('server-1')
entities_service.list
# => [{:name=>"atsd", :enabled=>true, :last_insert_time=>1428304482631},
#  {:name=>"test_entity", :enabled=>true, :last_insert_time=>1000000000},
#  {:name=>"sensor-1", :enabled=>true, :last_insert_time=>1428304489000}]

entities_service.entity_groups("nurswgvml007")
# => [{"name"=>"VMware VMs", "tags"=>{}},
# {"name"=>"java-loggers", "tags"=>{}},
# {"name"=>"java-virtual-machine", "tags"=>{}},
# {"name"=>"jetty-web-server", "tags"=>{}},

Entity Groups Service

entity_groups_service = atsd.entity_groups_service
# => #<ATSD::EntityGroupsService:0x007fb1b2a0d7f8

entity_groups_service.create_or_replace('group1')
entity_groups_service.list
# => [{:name=>"group1"}]

entity_groups_service.add_entities('group1', [{name:'entity1'},{name:'entity2'}])
entity_groups_service.get_entities(entity_groups_service.get('group1'))
# => [{:name=>"entity1", :enabled=>true}, {:name=>"entity2", :enabled=>true}]

entity_groups_service.delete_entities('group1', [{name:'entity1'},{name:'entity2'}])
entity_groups_service.get_entities('group1')
# => []

entity_groups_service.get_entities("java-loggers", :limit => 3, :timeFormat => "iso")
# => [{"name"=>"-last-https-test-drive", "enabled"=>true, "lastInsertDate"=>"2016-05-19T11:22:05.710Z"},
# {"name"=>"12364bc005b2", "enabled"=>true, "lastInsertDate"=>"2016-05-19T22:26:50.432Z"},
# {"name"=>"1d99e87f5a89", "enabled"=>true, "lastInsertDate"=>"2016-04-18T16:53:51.563Z"}]

Errors

If the request wasn't completed successfully, then an ATSD::APIError exception is raised. You can get a message and HTTP status code using the message and status fields.

Low-level API Client

Gem also provides an ATSD::Client class. It is a simple API wrapper, which uses Faraday to handle HTTP-related routines. All services are built on top of it.

You can access the Faraday::Connection object using the connection field of the client if necessary.

Development

After checking out the repository, run bin/setup to install dependencies. Then run bin/console for an interactive prompt that will allow you to experiment with the client.

To install this gem onto your local machine, run bundle exec rake install.

FAQs

Package last updated on 21 Dec 2017

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U.S. Patent No. 12,346,443 & 12,314,394. Other pending.