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Commit 8442a947 authored by Krasimir Angelov's avatar Krasimir Angelov
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Remove unused Pages gRPC client 

This was never finished and not in use, see
gitlab-org/omnibus-gitlab/merge_requests/3444#note_194217889 for more
details.

Done as part of https://gitlab.com/gitlab-org/gitlab/issues/28781 in
order to simplify Pages related code.
parent 16b15720
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Showing with 1 addition and 309 deletions
config/gitlab.yml.example
View file @ 8442a947
......@@ -319,8 +319,7 @@ production: &base
artifacts_server: true # Set to false if you want to disable online view of HTML artifacts
# external_http: ["1.1.1.1:80", "[2001::1]:80"] # If defined, enables custom domain support in GitLab Pages
# external_https: ["1.1.1.1:443", "[2001::1]:443"] # If defined, enables custom domain and certificate support in GitLab Pages
admin:
address: unix:/home/git/gitlab/tmp/sockets/private/pages-admin.socket # TCP connections are supported too (e.g. tcp://host:port)
# File that contains the shared secret key for verifying access for gitlab-pages.
# Default is '.gitlab_pages_shared_secret' relative to Rails.root (i.e. root of the GitLab app).
# secret_file: /home/git/gitlab/.gitlab_pages_shared_secret
......
config/initializers/1_settings.rb
View file @ 8442a947
......@@ -290,9 +290,6 @@ Settings.pages['url'] ||= Settings.__send__(:build_pages_url)
Settings.pages['external_http'] ||= false unless Settings.pages['external_http'].present?
Settings.pages['external_https'] ||= false unless Settings.pages['external_https'].present?
Settings.pages['artifacts_server'] ||= Settings.pages['enabled'] if Settings.pages['artifacts_server'].nil?
Settings.pages['admin'] ||= Settingslogic.new({})
Settings.pages.admin['certificate'] ||= ''
Settings.pages['secret_file'] ||= Rails.root.join('.gitlab_pages_shared_secret')
#
......
config/initializers/pages.rb deleted 100644 → 0
View file @ 16b15720
Gitlab::PagesClient.read_or_create_token
Gitlab::PagesClient.load_certificate
lib/gitlab/pages_client.rb deleted 100644 → 0
View file @ 16b15720
# frozen_string_literal: true
module Gitlab
class PagesClient
class << self
attr_reader :certificate, :token
def call(service, rpc, request, timeout: nil)
kwargs = request_kwargs(timeout)
stub(service).__send__(rpc, request, kwargs) # rubocop:disable GitlabSecurity/PublicSend
end
# This function is not thread-safe. Call it from an initializer only.
def read_or_create_token
@token = read_token
rescue Errno::ENOENT
# TODO: uncomment this when omnibus knows how to write the token file for us
# https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests/2466
#
# write_token(SecureRandom.random_bytes(64))
#
# # Read from disk in case someone else won the race and wrote the file
# # before us. If this fails again let the exception bubble up.
# @token = read_token
end
# This function is not thread-safe. Call it from an initializer only.
def load_certificate
cert_path = config.certificate
return unless cert_path.present?
@certificate = File.read(cert_path)
end
def ping
request = Grpc::Health::V1::HealthCheckRequest.new
call(:health_check, :check, request, timeout: 5.seconds)
end
private
def request_kwargs(timeout)
encoded_token = Base64.strict_encode64(token.to_s)
metadata = {
'authorization' => "Bearer #{encoded_token}"
}
result = { metadata: metadata }
return result unless timeout
# Do not use `Time.now` for deadline calculation, since it
# will be affected by Timecop in some tests, but grpc's c-core
# uses system time instead of timecop's time, so tests will fail
# `Time.at(Process.clock_gettime(Process::CLOCK_REALTIME))` will
# circumvent timecop
deadline = Time.at(Process.clock_gettime(Process::CLOCK_REALTIME)) + timeout
result[:deadline] = deadline
result
end
def stub(name)
stub_class(name).new(address, grpc_creds)
end
def stub_class(name)
if name == :health_check
Grpc::Health::V1::Health::Stub
else
# TODO use pages namespace
Gitaly.const_get(name.to_s.camelcase.to_sym).const_get(:Stub)
end
end
def address
addr = config.address
addr = addr.sub(%r{^tcp://}, '') if URI(addr).scheme == 'tcp'
addr
end
def grpc_creds
if address.start_with?('unix:')
:this_channel_is_insecure
elsif @certificate
GRPC::Core::ChannelCredentials.new(@certificate)
else
# Use system certificate pool
GRPC::Core::ChannelCredentials.new
end
end
def config
Gitlab.config.pages.admin
end
def read_token
File.read(token_path)
end
def token_path
Rails.root.join('.gitlab_pages_secret').to_s
end
def write_token(new_token)
Tempfile.open(File.basename(token_path), File.dirname(token_path), encoding: 'ascii-8bit') do |f|
f.write(new_token)
f.close
File.link(f.path, token_path)
end
rescue Errno::EACCES => ex
# TODO stop rescuing this exception in GitLab 11.0 https://gitlab.com/gitlab-org/gitlab-foss/issues/45672
Rails.logger.error("Could not write pages admin token file: #{ex}") # rubocop:disable Gitlab/RailsLogger
rescue Errno::EEXIST
# Another process wrote the token file concurrently with us. Use their token, not ours.
end
end
end
end
lib/tasks/gitlab/pages.rake deleted 100644 → 0
View file @ 16b15720
namespace :gitlab do
namespace :pages do
desc 'Ping the pages admin API'
task admin_ping: :gitlab_environment do
Gitlab::PagesClient.ping
puts "OK: gitlab-pages admin API is reachable"
end
end
end
spec/lib/gitlab/pages_client_spec.rb deleted 100644 → 0
View file @ 16b15720
# frozen_string_literal: true
require 'spec_helper'
describe Gitlab::PagesClient do
subject { described_class }
describe '.token' do
it 'returns the token as it is on disk' do
pending 'add omnibus support for generating the secret file https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests/2466'
expect(subject.token).to eq(File.read('.gitlab_pages_secret'))
end
end
describe '.read_or_create_token' do
subject { described_class.read_or_create_token }
let(:token_path) { 'tmp/tests/gitlab-pages-secret' }
before do
allow(described_class).to receive(:token_path).and_return(token_path)
FileUtils.rm_f(token_path)
end
it 'uses the existing token file if it exists' do
secret = 'existing secret'
File.write(token_path, secret)
subject
expect(described_class.token).to eq(secret)
end
it 'creates one if none exists' do
pending 'add omnibus support for generating the secret file https://gitlab.com/gitlab-org/omnibus-gitlab/merge_requests/2466'
old_token = described_class.token
# sanity check
expect(File.exist?(token_path)).to eq(false)
subject
expect(described_class.token.bytesize).to eq(64)
expect(described_class.token).not_to eq(old_token)
end
end
describe '.write_token' do
let(:token_path) { 'tmp/tests/gitlab-pages-secret' }
before do
allow(described_class).to receive(:token_path).and_return(token_path)
FileUtils.rm_f(token_path)
end
it 'writes the secret' do
new_secret = 'hello new secret'
expect(File.exist?(token_path)).to eq(false)
described_class.send(:write_token, new_secret)
expect(File.read(token_path)).to eq(new_secret)
end
it 'does nothing if the file already exists' do
existing_secret = 'hello secret'
File.write(token_path, existing_secret)
described_class.send(:write_token, 'new secret')
expect(File.read(token_path)).to eq(existing_secret)
end
end
describe '.load_certificate' do
subject { described_class.load_certificate }
before do
allow(described_class).to receive(:config).and_return(config)
end
context 'with no certificate in the config' do
let(:config) { double(:config, certificate: '') }
it 'does not set @certificate' do
subject
expect(described_class.certificate).to be_nil
end
end
context 'with a certificate path in the config' do
let(:certificate_path) { 'tmp/tests/fake-certificate' }
let(:config) { double(:config, certificate: certificate_path) }
it 'sets @certificate' do
certificate_data = "--- BEGIN CERTIFICATE ---\nbla\n--- END CERTIFICATE ---\n"
File.write(certificate_path, certificate_data)
subject
expect(described_class.certificate).to eq(certificate_data)
end
end
end
describe '.request_kwargs' do
let(:token) { 'secret token' }
let(:auth_header) { 'Bearer c2VjcmV0IHRva2Vu' }
before do
allow(described_class).to receive(:token).and_return(token)
end
context 'without timeout' do
it { expect(subject.send(:request_kwargs, nil)[:metadata]['authorization']).to eq(auth_header) }
end
context 'with timeout' do
let(:timeout) { 1.second }
it 'still sets the authorization header' do
expect(subject.send(:request_kwargs, timeout)[:metadata]['authorization']).to eq(auth_header)
end
it 'sets a deadline value' do
now = Time.now
deadline = subject.send(:request_kwargs, timeout)[:deadline]
expect(deadline).to be_between(now, now + 2 * timeout)
end
end
end
describe '.stub' do
before do
allow(described_class).to receive(:address).and_return('unix:/foo/bar')
end
it { expect(subject.send(:stub, :health_check)).to be_a(Grpc::Health::V1::Health::Stub) }
end
describe '.address' do
subject { described_class.send(:address) }
before do
allow(described_class).to receive(:config).and_return(config)
end
context 'with a unix: address' do
let(:config) { double(:config, address: 'unix:/foo/bar') }
it { expect(subject).to eq('unix:/foo/bar') }
end
context 'with a tcp:// address' do
let(:config) { double(:config, address: 'tcp://localhost:1234') }
it { expect(subject).to eq('localhost:1234') }
end
end
describe '.grpc_creds' do
subject { described_class.send(:grpc_creds) }
before do
allow(described_class).to receive(:config).and_return(config)
end
context 'with a unix: address' do
let(:config) { double(:config, address: 'unix:/foo/bar') }
it { expect(subject).to eq(:this_channel_is_insecure) }
end
context 'with a tcp:// address' do
let(:config) { double(:config, address: 'tcp://localhost:1234') }
it { expect(subject).to be_a(GRPC::Core::ChannelCredentials) }
end
end
end
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