haproxy-wi/app/modules/service/installation.py

362 lines
12 KiB
Python

import os
import json
from packaging import version
import ansible
import ansible_runner
import app.modules.db.sql as sql
import app.modules.db.ha_cluster as ha_sql
import app.modules.db.server as server_sql
import app.modules.db.service as service_sql
import app.modules.service.udp as udp_mod
import app.modules.service.common as service_common
import app.modules.common.common as common
import app.modules.server.server as server_mod
import app.modules.roxywi.common as roxywi_common
from app.modules.server.ssh import return_ssh_keys_path
def generate_udp_inv(listener_id: int, action: str) -> object:
inv = {"server": {"hosts": {}}}
server_ips = []
listener = udp_mod.get_listener_config(listener_id)
if listener['cluster_id']:
server_ips = udp_mod.get_slaves_for_udp_listener(listener['cluster_id'], listener['vip'])
elif listener['server_id']:
server = server_sql.get_server_by_id(listener['server_id'])
server_ips.append(server.ip)
for server_ip in server_ips:
inv['server']['hosts'][server_ip] = {
'action': action,
"vip": listener['vip'],
"port": listener['port'],
"id": listener['id'],
"config": listener['config'],
}
return inv, server_ips
def generate_geoip_inv(server_ip: str, installed_service: str, geoip_update: int) -> object:
inv = {"server": {"hosts": {}}}
server_ips = []
inv['server']['hosts'][server_ip] = {
'service_dir': common.return_nice_path(sql.get_setting(f'{installed_service}_dir')),
'maxmind_key': sql.get_setting('maxmind_key'),
'UPDATE': geoip_update
}
server_ips.append(server_ip)
return inv, server_ips
def generate_grafana_inv() -> object:
inv = {"server": {"hosts": {}}}
server_ips = []
inv['server']['hosts']['localhost'] = {}
server_ips.append('localhost')
return inv, server_ips
def generate_kp_inv(json_data: json, installed_service) -> object:
inv = {"server": {"hosts": {}}}
server_ips = []
cluster_id = int(json_data['cluster_id'])
haproxy = json_data['services']['haproxy']['enabled']
nginx = json_data['services']['nginx']['enabled']
apache = json_data['services']['apache']['enabled']
keepalived_path_logs = sql.get_setting('keepalived_path_logs')
syn_flood_protect = str(json_data['syn_flood'])
routers = {}
vips = ha_sql.select_cluster_vips(cluster_id)
for vip in vips:
router_id = str(vip.router_id)
routers[router_id] = {}
routers[router_id].setdefault('return_master', vip.return_master)
routers[router_id].setdefault('vip', vip.vip)
routers[router_id].setdefault('use_src', vip.use_src)
slaves = ha_sql.select_cluster_slaves_for_inv(router_id)
for slave in slaves:
slave_ip = server_sql.select_server_ip_by_id(str(slave.server_id))
routers[router_id].setdefault(slave_ip, dict())
routers[router_id][slave_ip].setdefault('master', slave.master)
routers[router_id][slave_ip].setdefault('eth', slave.eth)
for k, v in json_data['servers'].items():
server_ip = v['ip']
inv['server']['hosts'][server_ip] = {
"HAPROXY": haproxy,
"NGINX": nginx,
"APACHE": apache,
"RESTART": 1,
"SYN_FLOOD": syn_flood_protect,
"keepalived_path_logs": keepalived_path_logs,
"routers": routers
}
server_ips.append(server_ip)
return inv, server_ips
def generate_waf_inv(server_ip: str, installed_service: str) -> object:
inv = {"server": {"hosts": {}}}
server_ips = []
inv['server']['hosts'][server_ip] = {
'SERVICE_PATH': common.return_nice_path(sql.get_setting(f'{installed_service}_dir'))
}
server_ips.append(server_ip)
return inv, server_ips
def generate_haproxy_inv(json_data: json, installed_service: str) -> object:
inv = {"server": {"hosts": {}}}
slaves = []
server_ips = []
master_ip = 0
hap_sock_p = str(sql.get_setting('haproxy_sock_port'))
stats_port = str(sql.get_setting('haproxy_stats_port'))
server_state_file = sql.get_setting('server_state_file')
stats_user = sql.get_setting('haproxy_stats_user')
stats_password = sql.get_setting('haproxy_stats_password')
haproxy_dir = sql.get_setting('haproxy_dir')
container_name = sql.get_setting('haproxy_container_name')
haproxy_ver = '2.9.6-1'
is_docker = json_data['services']['haproxy']['docker']
for k, v in json_data['servers'].items():
if not v['master']:
slaves.append(v['ip'])
else:
master_ip = v['ip']
for k, v in json_data['servers'].items():
server_ip = v['ip']
is_master = v['master']
if 'version' in v:
haproxy_ver = v['version']
inv['server']['hosts'][server_ip] = {
"SOCK_PORT": hap_sock_p,
"STAT_PORT": stats_port,
"STAT_FILE": server_state_file,
"STATS_USER": stats_user,
"CONT_NAME": container_name,
"HAP_DIR": haproxy_dir,
"STATS_PASS": stats_password,
"HAPVER": haproxy_ver,
"SYN_FLOOD": '0',
"M_OR_S": is_master,
"MASTER": master_ip,
"slaves": slaves,
"DOCKER": is_docker
}
server_ips.append(server_ip)
return inv, server_ips
def generate_service_inv(json_data: json, installed_service: str) -> object:
inv = {"server": {"hosts": {}}}
server_ips = []
stats_user = sql.get_setting(f'{installed_service}_stats_user')
stats_password = sql.get_setting(f'{installed_service}_stats_password')
stats_port = str(sql.get_setting(f'{installed_service}_stats_port'))
stats_page = sql.get_setting(f'{installed_service}_stats_page')
config_path = sql.get_setting(f'{installed_service}_config_path')
service_dir = sql.get_setting(f'{installed_service}_dir')
container_name = sql.get_setting(f'{installed_service}_container_name')
is_docker = json_data['services'][installed_service]['docker']
if installed_service == 'nginx' and not os.path.isdir('/var/www/haproxy-wi/app/scripts/ansible/roles/nginxinc.nginx'):
os.system('ansible-galaxy install nginxinc.nginx,0.23.2 --roles-path /var/www/haproxy-wi/app/scripts/ansible/roles/')
for k, v in json_data['servers'].items():
server_ip = v['ip']
if installed_service == 'apache':
correct_service_name = service_common.get_correct_apache_service_name(server_ip=server_ip, server_id=None)
if service_dir == '/etc/httpd' and correct_service_name == 'apache2':
service_dir = '/etc/apache2'
elif service_dir == '/etc/apache2' and correct_service_name == 'httpd':
service_dir = '/etc/httpd'
inv['server']['hosts'][server_ip] = {
"STAT_PORT": stats_port,
"DOCKER": is_docker,
"STATS_USER": stats_user,
"CONT_NAME": container_name,
"STATS_PASS": stats_password,
"service_dir": service_dir,
"SYN_FLOOD": "0",
"CONFIG_PATH": config_path,
"STAT_PAGE": stats_page,
"service": installed_service,
}
server_ips.append(server_ip)
return inv, server_ips
def run_ansible(inv: dict, server_ips: str, ansible_role: str) -> object:
inventory_path = '/var/www/haproxy-wi/app/scripts/ansible/inventory'
inventory = f'{inventory_path}/{ansible_role}.json'
proxy = sql.get_setting('proxy')
proxy_serv = ''
tags = ''
try:
agent_pid = server_mod.start_ssh_agent()
except Exception as e:
raise Exception(f'{e}')
try:
_install_ansible_collections()
except Exception as e:
raise Exception(f'{e}')
for server_ip in server_ips:
ssh_settings = return_ssh_keys_path(server_ip)
if ssh_settings['enabled']:
inv['server']['hosts'][server_ip]['ansible_ssh_private_key_file'] = ssh_settings['key']
inv['server']['hosts'][server_ip]['ansible_password'] = ssh_settings['password']
inv['server']['hosts'][server_ip]['ansible_user'] = ssh_settings['user']
inv['server']['hosts'][server_ip]['ansible_port'] = ssh_settings['port']
inv['server']['hosts'][server_ip]['ansible_become'] = True
if ssh_settings['enabled']:
try:
server_mod.add_key_to_agent(ssh_settings, agent_pid)
except Exception as e:
server_mod.stop_ssh_agent(agent_pid)
raise Exception(f'{e}')
if proxy is not None and proxy != '' and proxy != 'None':
proxy_serv = proxy
inv['server']['hosts'][server_ip]['PROXY'] = proxy_serv
if 'DOCKER' in inv['server']['hosts'][server_ip]:
if inv['server']['hosts'][server_ip]['DOCKER']:
tags = 'docker'
else:
tags = 'system'
envvars = {
'ANSIBLE_DISPLAY_OK_HOSTS': 'no',
'ANSIBLE_SHOW_CUSTOM_STATS': 'no',
'ANSIBLE_DISPLAY_SKIPPED_HOSTS': "no",
'ANSIBLE_DEPRECATION_WARNINGS': "no",
'ANSIBLE_HOST_KEY_CHECKING': "no",
'ACTION_WARNINGS': "no",
'LOCALHOST_WARNING': "no",
'COMMAND_WARNINGS': "no",
'AWX_DISPLAY': False,
'SSH_AUTH_PID': agent_pid['pid'],
'SSH_AUTH_SOCK': agent_pid['socket'],
'ANSIBLE_PYTHON_INTERPRETER': '/usr/bin/python3'
}
kwargs = {
'private_data_dir': '/var/www/haproxy-wi/app/scripts/ansible/',
'inventory': inventory,
'envvars': envvars,
'playbook': f'/var/www/haproxy-wi/app/scripts/ansible/roles/{ansible_role}.yml',
'tags': tags
}
if os.path.isfile(inventory):
os.remove(inventory)
if not os.path.isdir(inventory_path):
os.makedirs(inventory_path)
try:
with open(inventory, 'a') as invent:
invent.write(str(inv))
except Exception as e:
server_mod.stop_ssh_agent(agent_pid)
roxywi_common.handle_exceptions(e, 'Roxy-WI server', 'Cannot save inventory file', roxywi=1)
try:
result = ansible_runner.run(**kwargs)
except Exception as e:
server_mod.stop_ssh_agent(agent_pid)
roxywi_common.handle_exceptions(e, 'Roxy-WI server', 'Cannot run Ansible', roxywi=1)
try:
server_mod.stop_ssh_agent(agent_pid)
except Exception as e:
roxywi_common.logging('Roxy-WI server', f'error: Cannot stop SSH agent {e}', roxywi=1)
os.remove(inventory)
if result.rc != 0:
raise Exception('Something wrong with installation, check <a href="/app/logs/internal?log_file=roxy-wi.error.log" target="_blank" class="link">Apache logs</a> for details')
return result.stats
def service_actions_after_install(server_ips: str, service: str, json_data) -> None:
is_docker = None
update_functions = {
'haproxy': service_sql.update_haproxy,
'nginx': service_sql.update_nginx,
'apache': service_sql.update_apache,
'keepalived': service_sql.update_keepalived,
}
for server_ip in server_ips:
server_id = server_sql.select_server_id_by_ip(server_ip)
try:
update_functions[service](server_ip)
except Exception as e:
roxywi_common.handle_exceptions(e, 'Roxy-WI server', f'Cannot activate {service} on server {server_ip}', roxywi=1)
if service != 'keepalived':
is_docker = json_data['services'][service]['docker']
if is_docker == '1' and service != 'keepalived':
service_sql.insert_or_update_service_setting(server_id, service, 'dockerized', '1')
service_sql.insert_or_update_service_setting(server_id, service, 'restart', '1')
def install_service(service: str, json_data: str) -> object:
generate_functions = {
'haproxy': generate_haproxy_inv,
'nginx': generate_service_inv,
'apache': generate_service_inv,
'keepalived': generate_kp_inv,
}
try:
inv, server_ips = generate_functions[service](json_data, service)
service_actions_after_install(server_ips, service, json_data)
return run_ansible(inv, server_ips, service), 201
except Exception as e:
roxywi_common.handle_exceptions(e, 'Roxy-WI server', f'Cannot install {service}', roxywi=1)
def _install_ansible_collections():
old_ansible_server = ''
collections = ('community.general', 'ansible.posix', 'community.docker', 'community.grafana', 'ansible.netcommon')
trouble_link = 'Read <a href="https://roxy-wi.org/troubleshooting#ansible_collection" target="_blank" class="link">troubleshooting</a>'
for collection in collections:
if not os.path.isdir(f'/usr/share/httpd/.ansible/collections/ansible_collections/{collection.replace(".", "/")}'):
try:
if version.parse(ansible.__version__) < version.parse('2.13.9'):
old_ansible_server = '--server https://old-galaxy.ansible.com/'
exit_code = os.system(f'ansible-galaxy collection install {collection} {old_ansible_server}')
except Exception as e:
roxywi_common.handle_exceptions(e,
'Roxy-WI server',
f'Cannot install as collection. {trouble_link}',
roxywi=1)
else:
if exit_code != 0:
raise Exception(f'error: Ansible collection installation was not successful: {exit_code}. {trouble_link}')