Drone CI service

4 files changed, 206 insertions, 4 deletions

diff --git a/app/models/project.rb b/app/models/project.rb
index 69f9af91c51..8e33a4b2f0f 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -73,6 +73,7 @@ class Project < ActiveRecord::Base
   has_many :services
   has_one :gitlab_ci_service, dependent: :destroy
   has_one :campfire_service, dependent: :destroy
+  has_one :drone_ci_service, dependent: :destroy
   has_one :emails_on_push_service, dependent: :destroy
   has_one :irker_service, dependent: :destroy
   has_one :pivotaltracker_service, dependent: :destroy
@@ -613,6 +614,7 @@ class Project < ActiveRecord::Base
       name: name,
       ssh_url: ssh_url_to_repo,
       http_url: http_url_to_repo,
+      web_url: web_url,
       namespace: namespace.name,
       visibility_level: visibility_level
     }
diff --git a/app/models/project_services/ci_service.rb b/app/models/project_services/ci_service.rb
index 803402c83ee..88186113c68 100644
--- a/app/models/project_services/ci_service.rb
+++ b/app/models/project_services/ci_service.rb
@@ -25,12 +25,24 @@ class CiService < Service
   def category
     :ci
   end
-
+  
+  def valid_token?(token)
+    self.respond_to?(:token) && self.token.present? && self.token == token
+  end
+  
   def supported_events
     %w(push)
   end
 
-  # Return complete url to build page
+  def merge_request_page(iid, sha, ref)
+    commit_page(sha, ref)
+  end
+
+  def commit_page(sha, ref)
+    build_page(sha, ref)
+  end
+
+  # Return complete url to merge_request page
   #
   # Ex.
   #   http://jenkins.example.com:8888/job/test1/scm/bySHA1/12d65c
@@ -45,10 +57,27 @@ class CiService < Service
   #
   #
   # Ex.
-  #   @service.commit_status('13be4ac')
+  #   @service.merge_request_status(9, '13be4ac', 'dev')
+  #   # => 'success'
+  #
+  #   @service.merge_request_status(10, '2abe4ac', 'dev)
+  #   # => 'running'
+  #
+  #
+  def merge_request_status(iid, sha, ref)
+    commit_status(sha, ref)
+  end
+
+  # Return string with build status or :error symbol
+  #
+  # Allowed states: 'success', 'failed', 'running', 'pending', 'skipped'
+  #
+  #
+  # Ex.
+  #   @service.commit_status('13be4ac', 'master')
   #   # => 'success'
   #
-  #   @service.commit_status('2abe4ac')
+  #   @service.commit_status('2abe4ac', 'dev')
   #   # => 'running'
   #
   #
diff --git a/app/models/project_services/drone_ci_service.rb b/app/models/project_services/drone_ci_service.rb
new file mode 100644
index 00000000000..39f732c8113
--- /dev/null
+++ b/app/models/project_services/drone_ci_service.rb
@@ -0,0 +1,170 @@
+class DroneCiService < CiService
+  
+  prop_accessor :drone_url, :token, :enable_ssl_verification
+  validates :drone_url,
+    presence: true,
+    format: { with: /\A#{URI.regexp(%w(http https))}\z/, message: "should be a valid url" }, if: :activated?
+  validates :token,
+    presence: true,
+    format: { with: /\A([A-Za-z0-9]+)\z/ },  if: :activated?
+
+  after_save :compose_service_hook, if: :activated?
+
+  def compose_service_hook
+    hook = service_hook || build_service_hook
+    hook.url = [drone_url, "/api/hook", "?owner=#{project.namespace.path}", "&name=#{project.path}", "&access_token=#{token}"].join
+    hook.enable_ssl_verification = enable_ssl_verification
+    hook.save
+  end
+
+  def execute(data)
+    case data[:object_kind]
+    when 'push'
+      service_hook.execute(data) if push_valid?(data)
+    when 'merge_request'
+      service_hook.execute(data) if merge_request_valid?(data)
+    when 'tag_push'
+      service_hook.execute(data) if tag_push_valid?(data)
+    end
+  end
+
+  def allow_target_ci?
+    true
+  end
+
+  def supported_events
+    %w(push merge_request tag_push)
+  end
+
+  def merge_request_status_path(iid, sha = nil, ref = nil)
+    url = [drone_url, 
+           "gitlab/#{project.namespace.path}/#{project.path}/pulls/#{iid}", 
+           "?access_token=#{token}"]
+
+    URI.join(*url).to_s
+  end
+
+  def commit_status_path(sha, ref)
+    url = [drone_url, 
+           "gitlab/#{project.namespace.path}/#{project.path}/commits/#{sha}", 
+           "?branch=#{URI::encode(ref.to_s)}&access_token=#{token}"]
+
+    URI.join(*url).to_s
+  end
+
+  def merge_request_status(iid, sha, ref)
+    response = HTTParty.get(merge_request_status_path(iid), verify: enable_ssl_verification)
+
+    if response.code == 200 and response['status']
+      case response['status']
+      when 'killed'
+        :canceled
+      when 'failure', 'error'
+        # Because drone return error if some test env failed
+        :failed
+      else
+        response["status"]
+      end
+    else
+      :error
+    end
+  rescue Errno::ECONNREFUSED
+    :error
+  end
+
+  def commit_status(sha, ref)
+    response = HTTParty.get(commit_status_path(sha, ref), verify: enable_ssl_verification)
+
+    if response.code == 200 and response['status']
+      case response['status']
+      when 'killed'
+        :canceled
+      when 'failure', 'error'
+        # Because drone return error if some test env failed
+        :failed
+      else
+        response["status"]
+      end
+    else
+      :error
+    end
+  rescue Errno::ECONNREFUSED
+    :error
+  end
+
+  def merge_request_page(iid, sha, ref)
+    url = [drone_url, 
+           "gitlab/#{project.namespace.path}/#{project.path}/redirect/pulls/#{iid}"]
+
+    URI.join(*url).to_s
+  end
+
+  def commit_page(sha, ref)
+    url = [drone_url, 
+           "gitlab/#{project.namespace.path}/#{project.path}/redirect/commits/#{sha}", 
+           "?branch=#{URI::encode(ref.to_s)}"]
+
+    URI.join(*url).to_s
+  end
+
+  def commit_coverage(sha, ref)
+    nil
+  end
+
+  def build_page(sha, ref)
+    commit_page(sha, ref)
+  end
+
+  def builds_path
+    url = [drone_url, "#{project.namespace.path}/#{project.path}"]
+
+    URI.join(*url).to_s
+  end
+
+  def status_img_path
+    url = [drone_url, 
+           "api/badges/#{project.namespace.path}/#{project.path}/status.svg", 
+           "?branch=#{URI::encode(project.default_branch)}"]
+
+    URI.join(*url).to_s
+  end
+
+  def title
+    'Drone CI'
+  end
+
+  def description
+    'Drone is a Continuous Integration platform built on Docker, written in Go'
+  end
+
+  def to_param
+    'drone_ci'
+  end
+
+  def fields
+    [
+      { type: 'text', name: 'token', placeholder: 'Drone CI project specific token' },
+      { type: 'text', name: 'drone_url', placeholder: 'http://drone.example.com' },
+      { type: 'checkbox', name: 'enable_ssl_verification', title: "Enable SSL verification" }
+    ]
+  end
+
+  private
+
+  def tag_push_valid?(data)
+    data[:total_commits_count] > 0 && !Gitlab::Git.blank_ref?(data[:after])
+  end
+
+  def push_valid?(data)
+    opened_merge_requests = project.merge_requests.opened.where(source_project_id: project.id, 
+                                                                source_branch: Gitlab::Git.ref_name(data[:ref]))
+
+    opened_merge_requests.empty? && data[:total_commits_count] > 0 && 
+      !Gitlab::Git.blank_ref?(data[:after])
+  end
+
+  def merge_request_valid?(data)
+    ['opened', 'reopened'].include?(data[:object_attributes][:state]) &&
+      data[:object_attributes][:merge_status] == 'unchecked'
+  end
+end
diff --git a/app/models/service.rb b/app/models/service.rb
index dcef2866c3b..60fcc9d2857 100644
--- a/app/models/service.rb
+++ b/app/models/service.rb
@@ -135,6 +135,7 @@ class Service < ActiveRecord::Base
       buildkite
       campfire
       custom_issue_tracker
+      drone_ci
       emails_on_push
       external_wiki
       flowdock