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-rw-r--r--lib/api/api.rb1
-rw-r--r--lib/api/commit_statuses.rb9
-rw-r--r--lib/api/entities.rb22
-rw-r--r--lib/api/features.rb36
-rw-r--r--lib/api/pipelines.rb2
-rw-r--r--lib/feature.rb41
-rw-r--r--lib/gitlab/git/repository.rb47
-rw-r--r--lib/gitlab/gitaly_client.rb22
8 files changed, 159 insertions, 21 deletions
diff --git a/lib/api/api.rb b/lib/api/api.rb
index bbdd2039f43..7ae2f3cad40 100644
--- a/lib/api/api.rb
+++ b/lib/api/api.rb
@@ -94,6 +94,7 @@ module API
mount ::API::DeployKeys
mount ::API::Deployments
mount ::API::Environments
+ mount ::API::Features
mount ::API::Files
mount ::API::Groups
mount ::API::Internal
diff --git a/lib/api/commit_statuses.rb b/lib/api/commit_statuses.rb
index 827a38d33da..10f2d5ef6a3 100644
--- a/lib/api/commit_statuses.rb
+++ b/lib/api/commit_statuses.rb
@@ -68,7 +68,14 @@ module API
name = params[:name] || params[:context] || 'default'
- pipeline = @project.ensure_pipeline(ref, commit.sha, current_user)
+ pipeline = @project.pipeline_for(ref, commit.sha)
+ unless pipeline
+ pipeline = @project.pipelines.create!(
+ source: :external,
+ sha: commit.sha,
+ ref: ref,
+ user: current_user)
+ end
status = GenericCommitStatus.running_or_pending.find_or_initialize_by(
project: @project,
diff --git a/lib/api/entities.rb b/lib/api/entities.rb
index 620e3409d6f..8d9de8c388d 100644
--- a/lib/api/entities.rb
+++ b/lib/api/entities.rb
@@ -754,6 +754,28 @@ module API
expose :impersonation
end
+ class FeatureGate < Grape::Entity
+ expose :key
+ expose :value
+ end
+
+ class Feature < Grape::Entity
+ expose :name
+ expose :state
+ expose :gates, using: FeatureGate do |model|
+ model.gates.map do |gate|
+ value = model.gate_values[gate.key]
+
+ # By default all gate values are populated. Only show relevant ones.
+ if (value.is_a?(Integer) && value.zero?) || (value.is_a?(Set) && value.empty?)
+ next
+ end
+
+ { key: gate.key, value: value }
+ end.compact
+ end
+ end
+
module JobRequest
class JobInfo < Grape::Entity
expose :name, :stage
diff --git a/lib/api/features.rb b/lib/api/features.rb
new file mode 100644
index 00000000000..cff0ba2ddff
--- /dev/null
+++ b/lib/api/features.rb
@@ -0,0 +1,36 @@
+module API
+ class Features < Grape::API
+ before { authenticated_as_admin! }
+
+ resource :features do
+ desc 'Get a list of all features' do
+ success Entities::Feature
+ end
+ get do
+ features = Feature.all
+
+ present features, with: Entities::Feature, current_user: current_user
+ end
+
+ desc 'Set the gate value for the given feature' do
+ success Entities::Feature
+ end
+ params do
+ requires :value, type: String, desc: '`true` or `false` to enable/disable, an integer for percentage of time'
+ end
+ post ':name' do
+ feature = Feature.get(params[:name])
+
+ if %w(0 false).include?(params[:value])
+ feature.disable
+ elsif params[:value] == 'true'
+ feature.enable
+ else
+ feature.enable_percentage_of_time(params[:value].to_i)
+ end
+
+ present feature, with: Entities::Feature, current_user: current_user
+ end
+ end
+ end
+end
diff --git a/lib/api/pipelines.rb b/lib/api/pipelines.rb
index 9117704aa46..e505cae3992 100644
--- a/lib/api/pipelines.rb
+++ b/lib/api/pipelines.rb
@@ -47,7 +47,7 @@ module API
new_pipeline = Ci::CreatePipelineService.new(user_project,
current_user,
declared_params(include_missing: false))
- .execute(ignore_skip_ci: true, save_on_errors: false)
+ .execute(:api, ignore_skip_ci: true, save_on_errors: false)
if new_pipeline.persisted?
present new_pipeline, with: Entities::Pipeline
else
diff --git a/lib/feature.rb b/lib/feature.rb
new file mode 100644
index 00000000000..2e2b343f82c
--- /dev/null
+++ b/lib/feature.rb
@@ -0,0 +1,41 @@
+require 'flipper/adapters/active_record'
+
+class Feature
+ # Classes to override flipper table names
+ class FlipperFeature < Flipper::Adapters::ActiveRecord::Feature
+ # Using `self.table_name` won't work. ActiveRecord bug?
+ superclass.table_name = 'features'
+ end
+
+ class FlipperGate < Flipper::Adapters::ActiveRecord::Gate
+ superclass.table_name = 'feature_gates'
+ end
+
+ class << self
+ def all
+ flipper.features.to_a
+ end
+
+ def get(key)
+ flipper.feature(key)
+ end
+
+ def persisted?(feature)
+ # Flipper creates on-memory features when asked for a not-yet-created one.
+ # If we want to check if a feature has been actually set, we look for it
+ # on the persisted features list.
+ all.map(&:name).include?(feature.name)
+ end
+
+ private
+
+ def flipper
+ @flipper ||= begin
+ adapter = Flipper::Adapters::ActiveRecord.new(
+ feature_class: FlipperFeature, gate_class: FlipperGate)
+
+ Flipper.new(adapter)
+ end
+ end
+ end
+end
diff --git a/lib/gitlab/git/repository.rb b/lib/gitlab/git/repository.rb
index b9f1ac144b6..9d6adbdb4ac 100644
--- a/lib/gitlab/git/repository.rb
+++ b/lib/gitlab/git/repository.rb
@@ -1006,31 +1006,39 @@ module Gitlab
# Parses the contents of a .gitmodules file and returns a hash of
# submodule information.
def parse_gitmodules(commit, content)
- results = {}
+ modules = {}
- current = ""
- content.split("\n").each do |txt|
- if txt =~ /^\s*\[/
- current = txt.match(/(?<=").*(?=")/)[0]
- results[current] = {}
- else
- next unless results[current]
- match_data = txt.match(/(\w+)\s*=\s*(.*)/)
- next unless match_data
- target = match_data[2].chomp
- results[current][match_data[1]] = target
+ name = nil
+ content.each_line do |line|
+ case line.strip
+ when /\A\[submodule "(?<name>[^"]+)"\]\z/ # Submodule header
+ name = $~[:name]
+ modules[name] = {}
+ when /\A(?<key>\w+)\s*=\s*(?<value>.*)\z/ # Key/value pair
+ key = $~[:key]
+ value = $~[:value].chomp
+
+ next unless name && modules[name]
+
+ modules[name][key] = value
- if match_data[1] == "path"
+ if key == 'path'
begin
- results[current]["id"] = blob_content(commit, target)
+ modules[name]['id'] = blob_content(commit, value)
rescue InvalidBlobName
- results.delete(current)
+ # The current entry is invalid
+ modules.delete(name)
+ name = nil
end
end
+ when /\A#/ # Comment
+ next
+ else # Invalid line
+ name = nil
end
end
- results
+ modules
end
# Returns true if +commit+ introduced changes to +path+, using commit
@@ -1086,7 +1094,12 @@ module Gitlab
elsif tmp_entry.nil?
return nil
else
- tmp_entry = rugged.lookup(tmp_entry[:oid])
+ begin
+ tmp_entry = rugged.lookup(tmp_entry[:oid])
+ rescue Rugged::OdbError, Rugged::InvalidError, Rugged::ReferenceError
+ return nil
+ end
+
return nil unless tmp_entry.type == :tree
tmp_entry = tmp_entry[dir]
end
diff --git a/lib/gitlab/gitaly_client.rb b/lib/gitlab/gitaly_client.rb
index 72466700c05..2343446bf22 100644
--- a/lib/gitlab/gitaly_client.rb
+++ b/lib/gitlab/gitaly_client.rb
@@ -2,6 +2,12 @@ require 'gitaly'
module Gitlab
module GitalyClient
+ module MigrationStatus
+ DISABLED = 1
+ OPT_IN = 2
+ OPT_OUT = 3
+ end
+
SERVER_VERSION_FILE = 'GITALY_SERVER_VERSION'.freeze
MUTEX = Mutex.new
@@ -46,8 +52,20 @@ module Gitlab
Gitlab.config.gitaly.enabled
end
- def self.feature_enabled?(feature)
- enabled? && ENV["GITALY_#{feature.upcase}"] == '1'
+ def self.feature_enabled?(feature, status: MigrationStatus::OPT_IN)
+ return false if !enabled? || status == MigrationStatus::DISABLED
+
+ feature = Feature.get("gitaly_#{feature}")
+
+ # If the feature hasn't been set, turn it on if it's opt-out
+ return status == MigrationStatus::OPT_OUT unless Feature.persisted?(feature)
+
+ if feature.percentage_of_time_value > 0
+ # Probabilistically enable this feature
+ return Random.rand() * 100 < feature.percentage_of_time_value
+ end
+
+ feature.enabled?
end
def self.migrate(feature)