Hello everybody, I'm trying to install openstack-ansible All In One, according to https://docs.openstack.org/openstack-ansible/pike/contributor/quickstart-aio.html (this link) I run command openstack-ansible setup-hosts.yml with success. but when I enter command openstack-ansible setup-infrastructure.yml I confront with following error:

Saturday 10 March 2018  12:46:08 +0330 (0:00:00.978)       0:01:47.859 ******** 
ok: [aio1_repo_container-94940d20]

TASK [galera_client : Install galera distro packages] ***********************************************************************************************
Saturday 10 March 2018  12:46:09 +0330 (0:00:00.800)       0:01:48.659 ******** 
ok: [aio1_repo_container-94940d20]

TASK [galera_client : Install pip packages] *********************************************************************************************************
Saturday 10 March 2018  12:46:10 +0330 (0:00:00.976)       0:01:49.635 ******** 
ok: [aio1_repo_container-94940d20]

TASK [galera_client : Drop local .my.cnf file] ******************************************************************************************************
Saturday 10 March 2018  12:46:14 +0330 (0:00:03.701)       0:01:53.337 ******** 

TASK [galera_client : Distribute Galera ssl CA cert] ************************************************************************************************
Saturday 10 March 2018  12:46:14 +0330 (0:00:00.011)       0:01:53.349 ******** 

TASK [repo_build : Gather variables for each operating system] **************************************************************************************
Saturday 10 March 2018  12:46:14 +0330 (0:00:00.015)       0:01:53.364 ******** 
ok: [aio1_repo_container-94940d20] => (item=/etc/ansible/roles/repo_build/vars/ubuntu-16.04.yml)

TASK [repo_build : Install packages] ****************************************************************************************************************
Saturday 10 March 2018  12:46:14 +0330 (0:00:00.520)       0:01:53.884 ******** 
ok: [aio1_repo_container-94940d20]

TASK [repo_build : Initialize local facts] **********************************************************************************************************
Saturday 10 March 2018  12:46:15 +0330 (0:00:00.927)       0:01:54.812 ******** 
skipping: [aio1_repo_container-94940d20] => (item=need_venv_build) 
skipping: [aio1_repo_container-94940d20] => (item=need_wheel_build) 

TASK [repo_build : Create package directories] ******************************************************************************************************
Saturday 10 March 2018  12:46:15 +0330 (0:00:00.097)       0:01:54.909 ******** 
ok: [aio1_repo_container-94940d20] => (item=/var/www/repo/os-releases/16.0.9/ubuntu-16.04-x86_64)
ok: [aio1_repo_container-94940d20] => (item=/var/www/repo/links)

TASK [repo_build : Build package requirements file] *************************************************************************************************
Saturday 10 March 2018  12:46:16 +0330 (0:00:00.876)       0:01:55.785 ******** 
ok: [aio1_repo_container-94940d20]

TASK [repo_build : Check if the git folder exists already] ******************************************************************************************
Saturday 10 March 2018  12:46:17 +0330 (0:00:01.372)       0:01:57.158 ******** 
skipping: [aio1_repo_container-94940d20]

TASK [repo_build : Git service data folder setup] ***************************************************************************************************
Saturday 10 March 2018  12:46:17 +0330 (0:00:00.037)       0:01:57.196 ******** 

TASK [repo_build : Retrieve requirements content] ***************************************************************************************************
Saturday 10 March 2018  12:46:17 +0330 (0:00:00.031)       0:01:57.228 ******** 
skipping: [aio1_repo_container-94940d20]

TASK [repo_build : Clone git repositories asynchronously] *******************************************************************************************
Saturday 10 March 2018  12:46:18 +0330 (0:00:00.088)       0:01:57.316 ******** 
skipping: [aio1_repo_container-94940d20] => (item={'name': u'aodh', 'project_group': u'aodh_all', 'fragment': None, 'url': u'https://git.openstack.org/openstack/aodh', 'version': u'f0ec11eef92d39bd3f07e026a404e2e7aa7fa6bc', 'original': u'git+https://git.openstack.org/openstack/aodh@f0ec11eef92d39bd3f07e026a404e2e7aa7fa6bc#egg=aodh&gitname=aodh&projectgroup=aodh_all', 'egg_name': u'aodh'}) 
skipping: [aio1_repo_container-94940d20] => (item={'name': u'barbican', 'project_group': u'barbican_all', 'fragment': None, 'url': u'https://git.openstack.org/openstack/barbican', 'version': u'1d20692a6fe77eacdafdd307498bb11da285c437', 'original': u'git+https://git.openstack.org/openstack/barbican@1d20692a6fe77eacdafdd307498bb11da285c437#egg=barbican&gitname=barbican&projectgroup=barbican_all', 'egg_name': u'barbican'}) 
skipping: [aio1_repo_container-94940d20] => (item={'name': u'ceilometer', 'project_group': u'ceilometer_all', 'fragment': None, 'url': u'https://git.openstack.org ...