141e946c3d
This adds the ability to write application metrics (e.g. SQL timings) to
InfluxDB. These metrics can in turn be visualized using Grafana, or
really anything else that can read from InfluxDB. These metrics can be
used to track application performance over time, between different Ruby
versions, different GitLab versions, etc.
== Transaction Metrics
Currently the following is tracked on a per transaction basis (a
transaction is a Rails request or a single Sidekiq job):
* Timings per query along with the raw (obfuscated) SQL and information
about what file the query originated from.
* Timings per view along with the path of the view and information about
what file triggered the rendering process.
* The duration of a request itself along with the controller/worker
class and method name.
* The duration of any instrumented method calls (more below).
== Sampled Metrics
Certain metrics can't be directly associated with a transaction. For
example, a process' total memory usage is unrelated to any running
transactions. While a transaction can result in the memory usage going
up there's no accurate way to determine what transaction is to blame,
this becomes especially problematic in multi-threaded environments.
To solve this problem there's a separate thread that takes samples at a
fixed interval. This thread (using the class Gitlab::Metrics::Sampler)
currently tracks the following:
* The process' total memory usage.
* The number of file descriptors opened by the process.
* The amount of Ruby objects (using ObjectSpace.count_objects).
* GC statistics such as timings, heap slots, etc.
The default/current interval is 15 seconds, any smaller interval might
put too much pressure on InfluxDB (especially when running dozens of
processes).
== Method Instrumentation
While currently not yet used methods can be instrumented to track how
long they take to run. Unlike the likes of New Relic this doesn't
require modifying the source code (e.g. including modules), it all
happens from the outside. For example, to track `User.by_login` we'd add
the following code somewhere in an initializer:
Gitlab::Metrics::Instrumentation.
instrument_method(User, :by_login)
to instead instrument an instance method:
Gitlab::Metrics::Instrumentation.
instrument_instance_method(User, :save)
Instrumentation for either all public model methods or a few crucial
ones will be added in the near future, I simply haven't gotten to doing
so just yet.
== Configuration
By default metrics are disabled. This means users don't have to bother
setting anything up if they don't want to. Metrics can be enabled by
editing one's gitlab.yml configuration file (see
config/gitlab.yml.example for example settings).
== Writing Data To InfluxDB
Because InfluxDB is still a fairly young product I expect the worse.
Data loss, unexpected reboots, the database not responding, you name it.
Because of this data is _not_ written to InfluxDB directly, instead it's
queued and processed by Sidekiq. This ensures that users won't notice
anything when InfluxDB is giving trouble.
The metrics worker can be started in a standalone manner as following:
bundle exec sidekiq -q metrics
The corresponding class is called MetricsWorker.
310 lines
7.2 KiB
Ruby
310 lines
7.2 KiB
Ruby
source "https://rubygems.org"
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gem 'rails', '4.2.4'
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gem 'rails-deprecated_sanitizer', '~> 1.0.3'
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# Responders respond_to and respond_with
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gem 'responders', '~> 2.0'
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# Specify a sprockets version due to security issue
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# See https://groups.google.com/forum/#!topic/rubyonrails-security/doAVp0YaTqY
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gem 'sprockets', '~> 2.12.3'
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# Default values for AR models
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gem "default_value_for", "~> 3.0.0"
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# Supported DBs
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gem "mysql2", '~> 0.3.16', group: :mysql
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gem "pg", '~> 0.18.2', group: :postgres
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# Authentication libraries
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gem 'devise', '~> 3.5.3'
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gem 'devise-async', '~> 0.9.0'
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gem 'doorkeeper', '~> 2.2.0'
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gem 'omniauth', '~> 1.2.2'
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gem 'omniauth-bitbucket', '~> 0.0.2'
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gem 'omniauth-facebook', '~> 3.0.0'
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gem 'omniauth-github', '~> 1.1.1'
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gem 'omniauth-gitlab', '~> 1.0.0'
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gem 'omniauth-google-oauth2', '~> 0.2.0'
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gem 'omniauth-kerberos', '~> 0.3.0', group: :kerberos
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gem 'omniauth-saml', '~> 1.4.0'
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gem 'omniauth-shibboleth', '~> 1.2.0'
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gem 'omniauth-twitter', '~> 1.2.0'
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gem 'omniauth_crowd'
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gem 'rack-oauth2', '~> 1.2.1'
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# Two-factor authentication
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gem 'devise-two-factor', '~> 2.0.0'
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gem 'rqrcode-rails3', '~> 0.1.7'
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gem 'attr_encrypted', '~> 1.3.4'
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# Browser detection
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gem "browser", '~> 1.0.0'
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# Extracting information from a git repository
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# Provide access to Gitlab::Git library
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gem "gitlab_git", '~> 7.2.20'
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# LDAP Auth
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# GitLab fork with several improvements to original library. For full list of changes
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# see https://github.com/intridea/omniauth-ldap/compare/master...gitlabhq:master
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gem 'gitlab_omniauth-ldap', '~> 1.2.1', require: "omniauth-ldap"
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# Git Wiki
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gem 'gollum-lib', '~> 4.1.0'
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# Language detection
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gem "github-linguist", "~> 4.7.0", require: "linguist"
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# API
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gem 'grape', '~> 0.13.0'
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gem 'grape-entity', '~> 0.4.2'
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gem 'rack-cors', '~> 0.4.0', require: 'rack/cors'
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# Format dates and times
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# based on human-friendly examples
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gem "stamp", '~> 0.6.0'
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# Pagination
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gem "kaminari", "~> 0.16.3"
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# HAML
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gem "haml-rails", '~> 0.9.0'
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# Files attachments
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gem "carrierwave", '~> 0.9.0'
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# Drag and Drop UI
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gem 'dropzonejs-rails', '~> 0.7.1'
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# for aws storage
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gem "fog", "~> 1.25.0"
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gem "unf", '~> 0.1.4'
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# Authorization
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gem "six", '~> 0.2.0'
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# Seed data
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gem "seed-fu", '~> 2.3.5'
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# Markdown and HTML processing
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gem 'html-pipeline', '~> 1.11.0'
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gem 'task_list', '~> 1.0.2', require: 'task_list/railtie'
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gem 'github-markup', '~> 1.3.1'
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gem 'redcarpet', '~> 3.3.3'
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gem 'RedCloth', '~> 4.2.9'
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gem 'rdoc', '~>3.6'
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gem 'org-ruby', '~> 0.9.12'
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gem 'creole', '~> 0.5.0'
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gem 'wikicloth', '0.8.1'
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gem 'asciidoctor', '~> 1.5.2'
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gem 'rouge', '~> 1.10.1'
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# Diffs
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gem 'diffy', '~> 3.0.3'
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# Application server
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group :unicorn do
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gem "unicorn", '~> 4.8.2'
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gem 'unicorn-worker-killer', '~> 0.4.2'
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end
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# State machine
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gem "state_machines-activerecord", '~> 0.3.0'
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# Run events after state machine commits
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gem 'after_commit_queue'
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# Issue tags
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gem 'acts-as-taggable-on', '~> 3.4'
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# Background jobs
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gem 'sinatra', '~> 1.4.4', require: nil
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gem 'sidekiq', '~> 4.0'
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gem 'sidekiq-cron', '~> 0.4.0'
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gem 'redis-namespace'
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# HTTP requests
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gem "httparty", '~> 0.13.3'
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# Colored output to console
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gem "colorize", '~> 0.7.0'
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# GitLab settings
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gem 'settingslogic', '~> 2.0.9'
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# Misc
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gem 'version_sorter', '~> 2.0.0'
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# Cache
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gem "redis-rails", '~> 4.0.0'
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# Campfire integration
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gem 'tinder', '~> 1.10.0'
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# HipChat integration
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gem 'hipchat', '~> 1.5.0'
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# Flowdock integration
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gem "gitlab-flowdock-git-hook", "~> 1.0.1"
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# Gemnasium integration
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gem "gemnasium-gitlab-service", "~> 0.2"
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# Slack integration
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gem "slack-notifier", "~> 1.2.0"
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# Asana integration
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gem 'asana', '~> 0.4.0'
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# FogBugz integration
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gem 'ruby-fogbugz', '~> 0.2.1'
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# d3
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gem 'd3_rails', '~> 3.5.5'
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#cal-heatmap
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gem "cal-heatmap-rails", "~> 0.0.1"
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# underscore-rails
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gem "underscore-rails", "~> 1.4.4"
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# Sanitize user input
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gem "sanitize", '~> 2.0'
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gem 'babosa', '~> 1.0.2'
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# Protect against bruteforcing
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gem "rack-attack", '~> 4.3.0'
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# Ace editor
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gem 'ace-rails-ap', '~> 2.0.1'
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# Keyboard shortcuts
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gem 'mousetrap-rails', '~> 1.4.6'
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# Detect and convert string character encoding
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gem 'charlock_holmes', '~> 0.7.3'
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gem "sass-rails", '~> 4.0.5'
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gem "coffee-rails", '~> 4.1.0'
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gem "uglifier", '~> 2.7.2'
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gem 'turbolinks', '~> 2.5.0'
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gem 'jquery-turbolinks', '~> 2.1.0'
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gem 'addressable', '~> 2.3.8'
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gem 'bootstrap-sass', '~> 3.0'
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gem 'font-awesome-rails', '~> 4.2'
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gem 'gitlab_emoji', '~> 0.2.0'
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gem 'gon', '~> 6.0.1'
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gem 'jquery-atwho-rails', '~> 1.3.2'
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gem 'jquery-rails', '~> 3.1.3'
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gem 'jquery-scrollto-rails', '~> 1.4.3'
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gem 'jquery-ui-rails', '~> 4.2.1'
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gem 'nprogress-rails', '~> 0.1.6.7'
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gem 'raphael-rails', '~> 2.1.2'
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gem 'request_store', '~> 1.2.0'
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gem 'select2-rails', '~> 3.5.9'
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gem 'virtus', '~> 1.0.1'
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gem 'net-ssh', '~> 3.0.1'
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# Metrics
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group :metrics do
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gem 'influxdb', '~> 0.2', require: false
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gem 'connection_pool', '~> 2.0', require: false
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end
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group :development do
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gem "foreman"
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gem 'brakeman', '3.0.1', require: false
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gem "annotate", "~> 2.6.0"
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gem "letter_opener", '~> 1.1.2'
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gem 'quiet_assets', '~> 1.0.2'
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gem 'rerun', '~> 0.11.0'
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gem 'bullet', require: false
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gem 'rblineprof', platform: :mri, require: false
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gem 'web-console', '~> 2.0'
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# Better errors handler
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gem 'better_errors', '~> 1.0.1'
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gem 'binding_of_caller', '~> 0.7.2'
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# Docs generator
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gem "sdoc", '~> 0.3.20'
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# thin instead webrick
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gem 'thin', '~> 1.6.1'
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end
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group :development, :test do
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gem 'byebug', platform: :mri
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gem 'pry-rails'
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gem 'awesome_print', '~> 1.2.0'
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gem 'fuubar', '~> 2.0.0'
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gem 'database_cleaner', '~> 1.4.0'
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gem 'factory_girl_rails', '~> 4.3.0'
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gem 'rspec-rails', '~> 3.3.0'
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gem 'spinach-rails', '~> 0.2.1'
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# Prevent occasions where minitest is not bundled in packaged versions of ruby (see #3826)
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gem 'minitest', '~> 5.7.0'
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# Generate Fake data
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gem 'ffaker', '~> 2.0.0'
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gem 'capybara', '~> 2.4.0'
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gem 'capybara-screenshot', '~> 1.0.0'
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gem 'poltergeist', '~> 1.8.1'
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gem 'teaspoon', '~> 1.0.0'
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gem 'teaspoon-jasmine', '~> 2.2.0'
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gem 'spring', '~> 1.3.6'
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gem 'spring-commands-rspec', '~> 1.0.4'
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gem 'spring-commands-spinach', '~> 1.0.0'
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gem 'spring-commands-teaspoon', '~> 0.0.2'
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gem 'rubocop', '~> 0.35.0', require: false
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gem 'coveralls', '~> 0.8.2', require: false
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gem 'simplecov', '~> 0.10.0', require: false
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gem 'flog', require: false
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gem 'flay', require: false
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gem 'bundler-audit', require: false
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gem 'benchmark-ips', require: false
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end
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group :test do
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gem 'shoulda-matchers', '~> 2.8.0', require: false
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gem 'email_spec', '~> 1.6.0'
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gem 'webmock', '~> 1.21.0'
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gem 'test_after_commit', '~> 0.4.2'
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gem 'sham_rack'
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end
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group :production do
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gem "gitlab_meta", '7.0'
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end
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gem "newrelic_rpm", '~> 3.9.4.245'
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gem 'newrelic-grape'
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gem 'octokit', '~> 3.7.0'
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gem "mail_room", "~> 0.6.1"
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gem 'email_reply_parser', '~> 0.5.8'
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## CI
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gem 'activerecord-deprecated_finders', '~> 1.0.3'
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gem 'activerecord-session_store', '~> 0.1.0'
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gem "nested_form", '~> 0.3.2'
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# OAuth
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gem 'oauth2', '~> 1.0.0'
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# Soft deletion
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gem "paranoia", "~> 2.0"
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