gitlab-org--gitlab-foss/app/services/ci/create_web_ide_terminal_service.rb

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# frozen_string_literal: true
module Ci
class CreateWebIdeTerminalService < ::BaseService
include ::Gitlab::Utils::StrongMemoize
TerminalCreationError = Class.new(StandardError)
TERMINAL_NAME = 'terminal'
attr_reader :terminal
def execute
check_access!
validate_params!
load_terminal_config!
pipeline = create_pipeline!
success(pipeline: pipeline)
rescue TerminalCreationError => e
error(e.message)
rescue ActiveRecord::RecordInvalid => e
error("Failed to persist the pipeline: #{e.message}")
end
private
def create_pipeline!
build_pipeline.tap do |pipeline|
pipeline.stages << terminal_stage_seed(pipeline).to_resource
# Project iid must be called outside a transaction, so we ensure it is set here
# otherwise it may be set within the save! which it will lock the InternalId row for the whole transaction
pipeline.ensure_project_iid!
pipeline.save!
Ci::ProcessPipelineService
.new(pipeline)
.execute
pipeline_created_counter.increment(source: :webide)
end
end
def build_pipeline
Ci::Pipeline.new(
project: project,
user: current_user,
source: :webide,
config_source: :webide_source,
ref: ref,
sha: sha,
tag: false,
before_sha: Gitlab::Git::BLANK_SHA
)
end
def terminal_stage_seed(pipeline)
attributes = {
name: TERMINAL_NAME,
index: 0,
builds: [terminal_build_seed]
}
seed_context = Gitlab::Ci::Pipeline::Seed::Context.new(pipeline)
Gitlab::Ci::Pipeline::Seed::Stage.new(seed_context, attributes, [])
end
def terminal_build_seed
terminal.merge(
name: TERMINAL_NAME,
stage: TERMINAL_NAME,
user: current_user,
scheduling_type: :stage)
end
def load_terminal_config!
result = ::Ide::TerminalConfigService.new(project, current_user, sha: sha).execute
raise TerminalCreationError, result[:message] if result[:status] != :success
@terminal = result[:terminal]
raise TerminalCreationError, 'Terminal is not configured' unless terminal
end
def validate_params!
unless sha
raise TerminalCreationError, 'Ref does not exist'
end
unless branch_exists?
raise TerminalCreationError, 'Ref needs to be a branch'
end
end
def check_access!
unless can?(current_user, :create_web_ide_terminal, project)
raise TerminalCreationError, 'Insufficient permissions to create a terminal'
end
if terminal_active?
raise TerminalCreationError, 'There is already a terminal running'
end
end
def pipeline_created_counter
@pipeline_created_counter ||= Gitlab::Metrics
.counter(:pipelines_created_total, "Counter of pipelines created")
end
def terminal_active?
project.active_webide_pipelines(user: current_user).exists?
end
def ref
strong_memoize(:ref) do
Gitlab::Git.ref_name(params[:ref])
end
end
def branch_exists?
project.repository.branch_exists?(ref)
end
def sha
project.commit(params[:ref]).try(:id)
end
end
end