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

478 lines
15 KiB
Python

import os
import json
from flask import render_template
import ansible_runner
import app.modules.db.sql as sql
import app.modules.db.waf as waf_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.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 show_installation_output(error: str, output: list, service: str, rc=0):
if error and "WARNING" not in error:
roxywi_common.logging('Roxy-WI server', error, roxywi=1)
raise Exception('error: ' + error)
else:
if rc != 0:
for line in output:
if any(s in line for s in ("Traceback", "FAILED", "error", "ERROR", "UNREACHABLE")):
try:
correct_out = line.split('=>')
correct_out = json.loads(correct_out[1])
except Exception:
raise Exception(f'error: {output} for {service}')
else:
raise Exception(f'error: {correct_out["msg"]} for {service}')
return True
def show_success_installation(service):
lang = roxywi_common.get_user_lang_for_flask()
return render_template('include/show_success_installation.html', service=service, lang=lang)
def waf_install(server_ip: str):
script = "waf.sh"
proxy = sql.get_setting('proxy')
haproxy_dir = sql.get_setting('haproxy_dir')
ver = service_common.check_haproxy_version(server_ip)
service = ' WAF'
proxy_serv = ''
ssh_settings = return_ssh_keys_path(server_ip)
full_path = '/var/www/haproxy-wi/app'
os.system(f"cp {full_path}/scripts/{script} {full_path}/{script}")
if proxy is not None and proxy != '' and proxy != 'None':
proxy_serv = proxy
commands = [
f"chmod +x {full_path}/{script} && {full_path}/{script} PROXY={proxy_serv} HAPROXY_PATH={haproxy_dir} VERSION='{ver}' "
f"SSH_PORT={ssh_settings['port']} HOST={server_ip} USER={ssh_settings['user']} PASS='{ssh_settings['password']}' "
f"KEY={ssh_settings['key']}"
]
return_out = server_mod.subprocess_execute_with_rc(commands[0])
try:
show_installation_output(return_out['error'], return_out['output'], service, rc=return_out['rc'])
except Exception as e:
raise Exception(e)
try:
waf_sql.insert_waf_metrics_enable(server_ip, "0")
waf_sql.insert_waf_rules(server_ip)
except Exception as e:
return str(e)
os.remove(f'{full_path}/{script}')
return show_success_installation(service)
def waf_nginx_install(server_ip: str):
script = "waf_nginx.sh"
proxy = sql.get_setting('proxy')
nginx_dir = sql.get_setting('nginx_dir')
service = ' WAF'
proxy_serv = ''
ssh_settings = return_ssh_keys_path(server_ip)
full_path = '/var/www/haproxy-wi/app'
os.system(f"cp {full_path}/scripts/{script} {full_path}/{script}")
if proxy is not None and proxy != '' and proxy != 'None':
proxy_serv = proxy
commands = [
f"chmod +x {full_path}/{script} && {full_path}/{script} PROXY={proxy_serv} NGINX_PATH={nginx_dir} SSH_PORT={ssh_settings['port']} "
f"HOST={server_ip} USER={ssh_settings['user']} PASS='{ssh_settings['password']}' KEY={ssh_settings['key']}"
]
return_out = server_mod.subprocess_execute_with_rc(commands[0])
try:
show_installation_output(return_out['error'], return_out['output'], service, rc=return_out['rc'])
except Exception as e:
raise Exception(e)
try:
waf_sql.insert_nginx_waf_rules(server_ip)
waf_sql.insert_waf_nginx_server(server_ip)
except Exception as e:
return str(e)
os.remove(f'{full_path}/{script}')
return show_success_installation(service)
def geoip_installation(serv, geoip_update, service):
proxy = sql.get_setting('proxy')
maxmind_key = sql.get_setting('maxmind_key')
proxy_serv = ''
ssh_settings = return_ssh_keys_path(serv)
full_path = '/var/www/haproxy-wi/app'
if service in ('haproxy', 'nginx'):
service_dir = common.return_nice_path(sql.get_setting(f'{service}_dir'))
script = f'install_{service}_geoip.sh'
else:
raise Exception('warning: select a server and service first')
if proxy is not None and proxy != '' and proxy != 'None':
proxy_serv = proxy
try:
os.system(f"cp {full_path}/scripts/{script} {full_path}/{script}")
except Exception as e:
raise Exception(f'error: {e}')
commands = [
f"chmod +x {full_path}/{script} && {full_path}/{script} PROXY={proxy_serv} SSH_PORT={ssh_settings['port']} UPDATE={geoip_update} "
f"maxmind_key={maxmind_key} service_dir={service_dir} HOST={serv} USER={ssh_settings['user']} "
f"PASS={ssh_settings['password']} KEY={ssh_settings['key']}"
]
return_out = server_mod.subprocess_execute_with_rc(commands[0])
try:
show_installation_output(return_out['error'], return_out['output'], 'GeoLite2 Database', rc=return_out['rc'])
except Exception as e:
raise Exception(e)
os.remove(f'{full_path}/{script}')
return show_success_installation('GeoLite2 Database')
def grafana_install():
script = "install_grafana.sh"
proxy = sql.get_setting('proxy')
proxy_serv = ''
host = os.environ.get('HTTP_HOST', '')
full_path = '/var/www/haproxy-wi/app'
try:
os.system(f"cp {full_path}/scripts/{script} {full_path}/{script}")
except Exception as e:
raise Exception(f'error: {e}')
if proxy is not None and proxy != '' and proxy != 'None':
proxy_serv = proxy
cmd = f"chmod +x {full_path}/{script} && {full_path}/{script} PROXY={proxy_serv}"
output, error = server_mod.subprocess_execute(cmd)
if error:
roxywi_common.logging('Roxy-WI server', error, roxywi=1)
else:
for line in output:
if any(s in line for s in ("Traceback", "FAILED")):
try:
return line
except Exception:
return output
os.remove(f'{full_path}/{script}')
return f'success: Grafana and Prometheus servers were installed. You can find Grafana on http://{host}:3000<br>'
def generate_kp_inv(json_data: json, install_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)
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_haproxy_inv(json_data: json, install_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 = ''
is_docker = json_data['services']['haproxy']['docker']
if haproxy_ver == '':
haproxy_ver = '2.8.1-1'
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, install_service: str) -> object:
inv = {"server": {"hosts": {}}}
server_ips = []
stats_user = sql.get_setting(f'{install_service}_stats_user')
stats_password = sql.get_setting(f'{install_service}_stats_password')
stats_port = str(sql.get_setting(f'{install_service}_stats_port'))
stats_page = sql.get_setting(f'{install_service}_stats_page')
config_path = sql.get_setting(f'{install_service}_config_path')
service_dir = sql.get_setting(f'{install_service}_dir')
container_name = sql.get_setting(f'{install_service}_container_name')
is_docker = json_data['services'][install_service]['docker']
if install_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 install_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": install_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'],
}
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:
try:
json_data = json.loads(json_data)
except Exception as e:
roxywi_common.handle_exceptions(e, 'Roxy-WI server', 'Cannot parse JSON', roxywi=1)
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():
collections = ('community.general', 'ansible.posix', 'community.docker')
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:
exit_code = os.system(f'ansible-galaxy collection install {collection}')
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}')