---
# Copyright 2015 Open Platform for NFV Project, Inc. and its contributors
#  
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#  
# http://www.apache.org/licenses/LICENSE-2.0
#  
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# What this is: An Ansible playbook for installing OpenStack Congress on Centos 7.
# Status: this is a work in progress, under test
#
# How to use:
#   ansible-playbook -vvv -u root -k -i hosts.ini deploy_congress.yml
#

# Update packages
# yum update_cache=yes name=*
- name: updating package cache
#  apt: update_cache=yes
  yum: update_cache=yes name=*

# Install dependencies
# Direct command: 
# yum pkg=python-pip,mariadb-libs,MySQL-python,git,gcc,python-devel,libxml2,libxslt-devel,libzip-devel,mysql-server state=present
- name: installing dependancies 
  yum: pkg={{item}} state=present
  with_items:
     - python-pip
     - mariadb-libs
     - MySQL-python
     - git
     - gcc
#     - python-dev
#     - libxslt1-dev
#     - libzip-dev
     - python-devel
     - libxml2
     - libxslt-devel
     - libzip-devel
     - mysql-server
#     - libmysqlclient-dev
#     - python-mysqldb

# Upgrade pip
# Direct command: pip install --upgrade pip
#- name: upgrade pip
#  shell: pip install --upgrade pip

# Install python dependencies
# Direct command: pip name=virtualenv
- name: installing python dependancies 
#  pip: name={{item}} extra_args='--upgrade'
  pip: name={{item}}
  with_items:
     - virtualenv
     - oslo.middleware
#     - MySQL-python

# Create the congress user group
# Direct command: group name=congress state=present
- name: creating congress group
  group: name=congress state=present 
  when: init == "True"

# Create the congress user
# Direct command: user name=congress group=congress state=present createhome=no
- name: creating congress user 
  user: name=congress group=congress state=present createhome=no

# Create the congress install directory
# Direct command: mkdir {{item}}; chown congress {{item}}; chgrp congress {{item}};
- name: creating remote install directory
  file: path={{item}} state=directory owner=congress group=congress
  with_items:
     - /etc/congress
     - /etc/congress/snapshot
#     - "{{installDir}}"
     - /var/log/congress

# Copying congress build to prod host
# Direct command: what direct command this maps to is TBD
- name: copying congress build to prod host
  unarchive: src={{tempDir}}/congress-{{congressVersion}}.tar.gz dest={{installDir}} owner=congress group=congress
  args:
    creates: "{{installDir}}/congress-{{congressVersion}}"

# Run the congress python setup
# Direct command: cd /opt/congress-{{congressVersion}}; python setup.py install
- name: run setup.py
  shell: python setup.py install 
  args:
    chdir: "{{installDir}}/congress-{{congressVersion}}"
    creates: /usr/bin/congress-db-manage

# Activate virtualenv (creates virtual python script library to avoid conflicts with other code on the server)
# TODO: clarify need or benefit from virtualenv
# Direct command: virtualenv /opt/congress-{{congressVersion}}
- name: activating virtualenv
  shell: virtualenv {{installDir}}/congress-{{congressVersion}}

# Install dependencies in virtualenv
# Direct command: pip install --upgrade {{item}}
# TODO: how to invoke virtualenv install in manual command
#- name: Install dependencies in virtualenv 
#  pip: name={{item}} virtualenv={{installDir}}/congress-{{congressVersion}} virtualenv_site_packages=yes extra_args='--upgrade'
#  with_items:
#     - pbr
#     - oslo.middleware
#     - i18n

# Copy api-paste.ini to the config directory
# Direct command: cd /opt/congress-{{congressVersion}}; cp etc/api-paste.ini /etc/congress
- name: copy /etc/congress/api-paste.ini
  shell: cp etc/api-paste.ini /etc/congress
  args:
    creates: /etc/congress/api-paste.ini
    chdir: "{{installDir}}/congress-{{congressVersion}}"

# Copy policy.json to the config directory
# Direct command: cd /opt/congress-{{congressVersion}}; cp etc/policy.json /etc/congress
- name: copy /etc/congress/policy.json
  shell: cp etc/policy.json /etc/congress
  args:
    creates: /etc/congress/policy.json
    chdir: "{{installDir}}/congress-{{congressVersion}}"

# Copy congress.conf to the config directory
# Direct command: what direct command this maps to is TBD)
- name: updating congress.conf
  template: src=congress.conf dest=/etc/congress/congress.conf owner=congress group=congress

# Create the congress service
# Direct command: bin/keystone --os-auth-url=http://localhost:35357/v2.0 --os-username=admin --os-tenant-name=admin --os-password=octopus service-create --name congress --type "policy" --description "Congress Service"
- name: create congress service
  shell: >
     /bin/keystone \
     --os-auth-url={{keystoneAuthProto}}://{{keystoneAuthHost}}:35357/v2.0 \
     --os-username={{keystoneAdminUser}} \
     --os-tenant-name={{adminTenantName}} \
     --os-password={{keystoneAdminPassword}} \
     service-create --name congress --type "policy" --description "Congress Service"

# Create the congress service endpoint
# Direct command: bin/keystone --os-auth-url=http://localhost:35357/v2.0 --os-username=admin --os-tenant-name=admin --os-password=octopus endpoint-create --service congress --region RegionOne --publicurl http://192.168.1.204:1789/
- name: creating keystone endpoint
  shell: >
     /bin/keystone \
     --os-auth-url={{keystoneAuthProto}}://{{keystoneAuthHost}}:35357/v2.0 \
     --os-username={{keystoneAdminUser}} \
     --os-tenant-name={{adminTenantName}} \
     --os-password={{keystoneAdminPassword}} \
     endpoint-create --service congress \
     --region {{authRegion}}  \
     --publicurl {{publicEndpoint}} \
     --adminurl {{adminEndpoint}} \
     --internalurl {{internalEndpoint}} 

# Create the congress database
# TODO: fix some bug resulting in "msg: unable to connect, check login credentials "
# Workaround: on controller
#   mysql mysql
#   update user set host = '%' where user = 'root';
#   exit
# Direct command: mysql_db name=congress state=present login_host=192.168.1.204 login_user=root login_password=VALUE_HIDDEN
- name: creating congress database
  mysql_db: name=congress state=present login_host={{mysqlDBIP}} login_user={{mysqlDBUser}} login_password={{mysqlDBPassword}}

# Create the congress database user and access
# Direct command: mysql_user name=congress password=VALUE_HIDDEN login_host=localhost login_user=root login_password=VALUE_HIDDEN priv=congress.*:ALL host=%
- name: creating and granting congress user access to database
  mysql_user: name={{dbUser}} password={{dbPassword}} login_host={{mysqlDBIP}} login_user={{mysqlDBUser}} login_password={{mysqlDBPassword}} priv=congress.*:ALL host={{ item }}
  with_items:
    - "%"
    - "localhost"

# Fix bug with congress-db-manage failure to import i18n
# See https://bugs.launchpad.net/tripleo/+bug/1468028
# It's unclear if this patch causes other problems...
# Direct command: pip install oslo.i18n==1.7.0
#- name: pip install oslo.i18n==1.7.0
#  shell: >
#      pip install oslo.i18n==1.7.0

# Create the congress database schema
# Direct command: /usr/bin/congress-db-manage --config-file /etc/congress/congress.conf upgrade head
- name: creating congress database schema
  shell: >
      /usr/bin/congress-db-manage --config-file /etc/congress/congress.conf upgrade head

# Enable congress to start on system restart
# Direct command: what direct command this maps to is TBD
- name: copy and enable congress-api.service thru systemd 
  template: src=congress-api.service dest=/usr/lib/systemd/system/congress-api.service

# Install clients
# Direct command: pip install {{item}}
# pip: name={{item}} virtualenv={{installDir}}/congress-{{congressVersion}} virtualenv_site_packages=yes extra_args='--upgrade'
- name: Install clients 
  pip: name={{item}}
  with_items:
     - python-openstackclient
     - python-congressclient

# stderr: Exception raised: (pbr 0.11.0 (/usr/lib/python2.7/site-packages), Requirement.parse('pbr>=1.6'))
# Install pbr-1.8.1
# Direct command: pip install pbr==1.8.1
- name: Install pbr-1.8.1
  shell: >
      pip install pbr==1.8.1

# stderr: Exception raised: (pbr 1.8.1 (/usr/lib/python2.7/site-packages), Requirement.parse('pbr>=0.6,!=0.7,<1.0'))
# fix per https://ask.openstack.org/en/question/83174/whole-cli-doesnt-work-anymore-kilo/
# pip install --upgrade python-openstackclient
- name: Upgrade python-openstackclient
  shell: >
      pip install --upgrade python-openstackclient

# stderr: Unable to establish connection to http://192.168.10.6:1789/v1/data-sources
# systemctl | grep congress
# congress-api.service    loaded failed failed    OpenStack Congress Server
# https://wiki.archlinux.org/index.php/Systemd#Investigating_systemd_errors
# systemctl status congress-api -l
# oscontroller1.opnfv.com systemd[4175]: Failed at step EXEC spawning /opt/congress/bin/congress-server: No such file or directory
# error in congress-api.service, needed to completely remove from systemd and reinstall
# systemctl stop congress-api.service
# systemctl disable congress-api.service
# rm /etc/systemd/system/congress-api.service
# systemctl daemon-reload
# systemctl reset-failed
# restart at
#   ansible-playbook -vvv -u root -k -i hosts.ini deploy_congress.yml  --start-at-task="copy and enable congress-api.service thru systemd"

# congress-server: Traceback (most recent call last):
# congress-server: File "/opt/congress-2015.1.0/bin/congress-server", line 33, in <module>
# congress-server: from congress.server import congress_server
# congress-server: File "/opt/congress-2015.1.0/congress/server/congress_server.py", line 26, in <module>
# congress-server: from congress.common import config
# congress-server: File "/opt/congress-2015.1.0/congress/common/config.py", line 20, in <module>
# congress-server: from congress.managers import datasource as datasource_mgr
# congress-server: File "/opt/congress-2015.1.0/congress/managers/datasource.py", line 19, in <module>
# congress-server: from oslo.db import exception as db_exc
# congress-server: File "/usr/lib/python2.7/site-packages/oslo/db/exception.py", line 48, in <module>
# congress-server: from oslo.db._i18n import _
# congress-server: File "/usr/lib/python2.7/site-packages/oslo/db/_i18n.py", line 19, in <module>
# congress-server: from oslo import i18n
# congress-server: ImportError: cannot import name i18n
# systemd: congress-api.service: main process exited, code=exited, status=1/FAILURE
# systemd: Unit congress-api.service entered failed state.
# See https://bugs.launchpad.net/tripleo/+bug/1468028
# It's unclear if this patch causes other problems...
# Direct command: pip install oslo.i18n==1.7.0
- name: install oslo.i18n==1.7.0
  shell: >
      pip install oslo.i18n==1.7.0

# congress-server: 2015-11-26 00:30:42.754 24988 TRACE congress     from oslo.middleware import request_id
# congress-server: 2015-11-26 00:30:42.754 24988 TRACE congress ImportError: No module named middleware
- name: install oslo.middleware 
  pip: name={{item}} 
  with_items:
     - oslo.middleware

# Start the congress service
# Direct command: systemctl start congress-api
- name: start congress-api service 
  shell: systemctl start congress-api

# Create congress datasources
# leave out swift for now, as it seems to break access to the other datasources
# Direct command: openstack congress datasource create {{item}} "{{item}}" --os-username=admin --os-tenant-name=admin --os-password=octopus --os-auth-url=http://localhost:35357/v2.0
- name: install datasource drivers
  shell: openstack congress datasource create {{item}} "{{item}}" \
    --os-username={{keystoneAdminUser}} \
    --os-tenant-name={{adminTenantName}} \
    --os-password={{keystoneAdminPassword}} \
    --os-auth-url={{keystoneAuthProto}}://{{keystoneAuthHost}}:35357/v2.0
    --config username={{keystoneAdminUser}} \
    --config tenant-name={{adminTenantName}} \
    --config password={{keystoneAdminPassword}} \
    --config auth-url={{keystoneAuthProto}}://{{keystoneAuthHost}}:35357/v2.0
  with_items:
     - ceilometer
     - cinder
     - glancev2
     - keystone
     - neutronv2
     - nova
#     - swift