Support of PyMySQL driver for MySQL backend

Add ability to use python-pymysql library
as backend for MySQL connections.
Switch acceptance tests on pyMySQL usage.
Docs: https://wiki.openstack.org/wiki/PyMySQL_evaluation

Change-Id: I52447482f15a1c075566c7596ce7c5465446fb5a
This commit is contained in:
iberezovskiy 2015-11-05 18:58:51 +03:00
parent 805ae759d1
commit 55b64a899d
7 changed files with 43 additions and 10 deletions

View File

@ -43,6 +43,8 @@ class keystone::db (
$database_max_overflow = 20,
) {
include ::keystone::params
# NOTE(spredzy): In order to keep backward compatibility we rely on the pick function
# to use keystone::<myparam> if keystone::db::<myparam> isn't specified.
$database_connection_real = pick($::keystone::database_connection, $database_connection)
@ -54,14 +56,18 @@ class keystone::db (
$database_max_overflow_real = pick($::keystone::database_max_overflow, $database_max_overflow)
validate_re($database_connection_real,
'(sqlite|mysql|postgresql):\/\/(\S+:\S+@\S+\/\S+)?')
'^(sqlite|mysql(\+pymysql)?|postgresql):\/\/(\S+:\S+@\S+\/\S+)?')
if $database_connection_real {
case $database_connection_real {
/^mysql:\/\//: {
$backend_package = false
/^mysql(\+pymysql)?:\/\//: {
require 'mysql::bindings'
require 'mysql::bindings::python'
if $database_connection_real =~ /^mysql\+pymysql/ {
$backend_package = $::keystone::params::pymysql_package_name
} else {
$backend_package = false
}
}
/^postgresql:\/\//: {
$backend_package = false

View File

@ -13,6 +13,7 @@ class keystone::params {
$python_memcache_package_name = 'python-memcache'
$sqlite_package_name = 'python-pysqlite2'
$paste_config = undef
$pymysql_package_name = 'python-pymysql'
case $::operatingsystem {
'Debian': {
$service_provider = undef
@ -31,6 +32,7 @@ class keystone::params {
$service_provider = undef
$keystone_wsgi_script_source = '/usr/share/keystone/keystone.wsgi'
$paste_config = '/usr/share/keystone/keystone-dist-paste.ini'
$pymysql_package_name = 'python2-PyMySQL'
}
}
}

View File

@ -64,7 +64,7 @@ describe 'basic keystone server with resources' do
class { '::keystone':
verbose => true,
debug => true,
database_connection => 'mysql://keystone:keystone@127.0.0.1/keystone',
database_connection => 'mysql+pymysql://keystone:keystone@127.0.0.1/keystone',
admin_token => 'admin_token',
enabled => true,
}

View File

@ -6,7 +6,7 @@ describe 'basic keystone server with changed domain id' do
class { '::keystone':
verbose => true,
debug => true,
database_connection => 'mysql://keystone:keystone@127.0.0.1/keystone',
database_connection => 'mysql+pymysql://keystone:keystone@127.0.0.1/keystone',
admin_token => 'admin_token',
enabled => true,
}
@ -77,7 +77,7 @@ describe 'basic keystone server with changed domain id' do
class { '::keystone':
verbose => true,
debug => true,
database_connection => 'mysql://keystone:keystone@127.0.0.1/keystone',
database_connection => 'mysql+pymysql://keystone:keystone@127.0.0.1/keystone',
admin_token => 'admin_token',
enabled => true,
default_domain => 'my_default_domain'

View File

@ -57,7 +57,7 @@ describe 'keystone server running with Apache/WSGI as Identity Provider' do
class { '::keystone':
verbose => true,
debug => true,
database_connection => 'mysql://keystone:keystone@127.0.0.1/keystone',
database_connection => 'mysql+pymysql://keystone:keystone@127.0.0.1/keystone',
admin_token => 'admin_token',
enabled => true,
service_name => 'httpd',

View File

@ -57,7 +57,7 @@ describe 'keystone server running with Apache/WSGI with resources' do
class { '::keystone':
verbose => true,
debug => true,
database_connection => 'mysql://keystone:keystone@127.0.0.1/keystone',
database_connection => 'mysql+pymysql://keystone:keystone@127.0.0.1/keystone',
admin_token => 'admin_token',
enabled => true,
service_name => 'httpd',

View File

@ -18,7 +18,7 @@ describe 'keystone::db' do
context 'with specific parameters' do
let :params do
{ :database_connection => 'mysql://keystone:keystone@localhost/keystone',
{ :database_connection => 'mysql+pymysql://keystone:keystone@localhost/keystone',
:database_idle_timeout => '3601',
:database_min_pool_size => '2',
:database_max_pool_size => '21',
@ -27,16 +27,25 @@ describe 'keystone::db' do
:database_retry_interval => '11', }
end
it { is_expected.to contain_keystone_config('database/connection').with_value('mysql://keystone:keystone@localhost/keystone').with_secret(true) }
it { is_expected.to contain_keystone_config('database/connection').with_value('mysql+pymysql://keystone:keystone@localhost/keystone').with_secret(true) }
it { is_expected.to contain_keystone_config('database/idle_timeout').with_value('3601') }
it { is_expected.to contain_keystone_config('database/min_pool_size').with_value('2') }
it { is_expected.to contain_keystone_config('database/max_retries').with_value('11') }
it { is_expected.to contain_keystone_config('database/max_pool_size').with_value('21') }
it { is_expected.to contain_keystone_config('database/max_overflow').with_value('21') }
it { is_expected.to contain_keystone_config('database/retry_interval').with_value('11') }
it { is_expected.to contain_package('keystone-backend-package').with({ :ensure => 'present', :name => platform_params[:pymysql_package_name] }) }
end
context 'with MySQL-python library as backend package' do
let :params do
{ :database_connection => 'mysql://keystone:keystone@localhost/keystone' }
end
it { is_expected.to contain_package('python-mysqldb').with(:ensure => 'present') }
end
context 'with postgresql backend' do
let :params do
{ :database_connection => 'postgresql://keystone:keystone@localhost/keystone', }
@ -56,6 +65,14 @@ describe 'keystone::db' do
it_raises 'a Puppet::Error', /validate_re/
end
context 'with incorrect pymysql database_connection string' do
let :params do
{ :database_connection => 'foo+pymysql://keystone:keystone@localhost/keystone', }
end
it_raises 'a Puppet::Error', /validate_re/
end
end
context 'on Debian platforms' do
@ -66,6 +83,10 @@ describe 'keystone::db' do
}
end
let :platform_params do
{ :pymysql_package_name => 'python-pymysql' }
end
it_configures 'keystone::db'
end
@ -76,6 +97,10 @@ describe 'keystone::db' do
}
end
let :platform_params do
{ :pymysql_package_name => 'python2-PyMySQL' }
end
it_configures 'keystone::db'
end