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# frozen_string_literal: true
require 'fast_spec_helper'
describe Prometheus::PidProvider do
describe '.worker_id' do
subject { described_class.worker_id }
let(:sidekiq_module) { Module.new }
before do
allow(sidekiq_module).to receive(:server?).and_return(false)
stub_const('Sidekiq', sidekiq_module)
end
context 'when running in Sidekiq server mode' do
before do
expect(Sidekiq).to receive(:server?).and_return(true)
end
it { is_expected.to eq 'sidekiq' }
end
context 'when running in Unicorn mode' do
before do
stub_const('Unicorn::Worker', Class.new)
hide_const('Puma')
expect(described_class).to receive(:process_name)
.at_least(:once)
.and_return(process_name)
end
context 'when unicorn master is specified in process name' do
context 'when running in Omnibus' do
context 'before the process was renamed' do
let(:process_name) { "/opt/gitlab/embedded/bin/unicorn"}
it { is_expected.to eq 'unicorn_master' }
end
context 'after the process was renamed' do
let(:process_name) { "unicorn master -D -E production -c /var/opt/gitlab/gitlab-rails/etc/unicorn.rb /opt/gitlab/embedded/service/gitlab-rails/config.ru" }
it { is_expected.to eq 'unicorn_master' }
end
end
context 'when in development env' do
context 'before the process was renamed' do
let(:process_name) { "path_to_bindir/bin/unicorn_rails"}
it { is_expected.to eq 'unicorn_master' }
end
context 'after the process was renamed' do
let(:process_name) { "unicorn_rails master -c /gitlab_dir/config/unicorn.rb -E development" }
it { is_expected.to eq 'unicorn_master' }
end
end
end
context 'when unicorn worker id is specified in process name' do
context 'when running in Omnibus' do
let(:process_name) { "unicorn worker[1] -D -E production -c /var/opt/gitlab/gitlab-rails/etc/unicorn.rb /opt/gitlab/embedded/service/gitlab-rails/config.ru" }
it { is_expected.to eq 'unicorn_1' }
end
context 'when in development env' do
let(:process_name) { "unicorn_rails worker[1] -c gitlab_dir/config/unicorn.rb -E development" }
it { is_expected.to eq 'unicorn_1' }
end
end
context 'when no specified unicorn master or worker id in process name' do
let(:process_name) { "bin/unknown_process"}
it { is_expected.to eq "process_#{Process.pid}" }
end
end
context 'when running in Puma mode' do
before do
stub_const('Puma', Module.new)
hide_const('Unicorn::Worker')
expect(described_class).to receive(:process_name)
.at_least(:once)
.and_return(process_name)
end
context 'when cluster worker id is specified in process name' do
let(:process_name) { 'puma: cluster worker 1: 17483 [gitlab-puma-worker]' }
it { is_expected.to eq 'puma_1' }
end
context 'when no worker id is specified in process name' do
let(:process_name) { 'bin/puma' }
it { is_expected.to eq 'puma_master' }
end
end
context 'when running in unknown mode' do
before do
hide_const('Puma')
hide_const('Unicorn::Worker')
end
it { is_expected.to eq "process_#{Process.pid}" }
end
end
end
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