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run_alerter.py
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run_alerter.py
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import concurrent.futures
import sys
from typing import List, Tuple
from src.alerting.alert_utils.get_channel_set import get_full_channel_set
from src.alerting.alert_utils.get_channel_set import \
get_periodic_alive_reminder_channel_set
from src.alerting.alerts.alerts import TerminatedDueToExceptionAlert, \
NodeInaccessibleDuringStartup, RepoInaccessibleDuringStartup
from src.alerting.periodic.periodic import PeriodicAliveReminder
from src.commands.handlers.telegram import TelegramCommands
from src.monitoring.monitor_utils.get_json import get_cosmos_json, get_json
from src.monitoring.monitors.github import GitHubMonitor
from src.monitoring.monitors.monitor_starters import start_node_monitor, \
start_network_monitor, start_github_monitor
from src.monitoring.monitors.network import NetworkMonitor
from src.monitoring.monitors.node import NodeMonitor
from src.node.node import Node, NodeType
from src.utils.config_parsers.internal_parsed import InternalConf, \
INTERNAL_CONFIG_FILE_FOUND, INTERNAL_CONFIG_FILE
from src.utils.config_parsers.user import NodeConfig, RepoConfig
from src.utils.config_parsers.user_parsed import UserConf, \
MISSING_USER_CONFIG_FILES
from src.utils.exceptions import InitialisationException
from src.utils.logging import create_logger
from src.utils.redis_api import RedisApi
def log_and_print(text: str):
logger_general.info(text)
print(text)
def node_from_node_config(node_config: NodeConfig):
# Test connection
log_and_print('Trying to connect to {}/status'
''.format(node_config.node_rpc_url))
try:
node_status = get_cosmos_json(node_config.node_rpc_url + '/status',
logger_general)
log_and_print('Success.')
except Exception:
raise InitialisationException('Failed to connect to {} at {}'.format(
node_config.node_name, node_config.node_rpc_url))
# Get node type
node_type = NodeType.VALIDATOR_FULL_NODE \
if node_config.node_is_validator \
else NodeType.NON_VALIDATOR_FULL_NODE
# Get pubkey if validator
if node_config.node_is_validator:
pubkey = node_status['validator_info']['address']
else:
pubkey = None
# Get network
network = node_status['node_info']['network']
# Initialise node and load any state
node = Node(node_config.node_name, node_config.node_rpc_url,
node_type, pubkey, network, REDIS)
node.load_state(logger_general)
# Return node
return node
def test_connection_to_github_page(repo: RepoConfig):
# Get releases page
releases_page = InternalConf.github_releases_template.format(
repo.repo_page)
# Test connection
log_and_print('Trying to connect to {}'.format(releases_page))
try:
releases = get_json(releases_page, logger_general)
if 'message' in releases and releases['message'] == 'Not Found':
raise InitialisationException('Successfully reached {} but URL '
'is not valid.'.format(releases_page))
else:
log_and_print('Success.')
except Exception:
raise InitialisationException('Could not reach {}.'
''.format(releases_page))
def run_monitor_nodes(node: Node):
# Monitor name based on node
monitor_name = 'Node monitor ({})'.format(node.name)
# Logger initialisation
logger_monitor_node = create_logger(
InternalConf.node_monitor_general_log_file_template.format(node.name),
node.name, InternalConf.logging_level, rotating=True)
# Initialise monitor
node_monitor = NodeMonitor(monitor_name, full_channel_set,
logger_monitor_node, REDIS, node)
while True:
# Start
log_and_print('{} started.'.format(monitor_name))
sys.stdout.flush()
try:
start_node_monitor(node_monitor,
InternalConf.node_monitor_period_seconds,
logger_monitor_node)
except Exception as e:
full_channel_set.alert_error(
TerminatedDueToExceptionAlert(monitor_name, e))
log_and_print('{} stopped.'.format(monitor_name))
def run_monitor_network(network_nodes_tuple: Tuple[str, List[Node]]):
# Get network and nodes
network = network_nodes_tuple[0]
nodes = network_nodes_tuple[1]
# Monitor name based on network
monitor_name = 'Network monitor ({})'.format(network)
# Initialisation
try:
# Logger initialisation
logger_monitor_network = create_logger(
InternalConf.network_monitor_general_log_file_template.format(
network), network, InternalConf.logging_level, rotating=True)
# Organize as validators and full nodes
validators = [n for n in nodes if n.is_validator]
full_nodes = [n for n in nodes if not n.is_validator]
# Do not start if not enough nodes
if 0 in [len(validators), len(full_nodes)]:
log_and_print('!!! Could not start {}. It must have at least 1 '
'validator and 1 full node!!!'.format(monitor_name))
return
# Initialise monitor
network_monitor = NetworkMonitor(monitor_name, full_channel_set,
logger_monitor_network,
InternalConf.
network_monitor_max_catch_up_blocks,
REDIS, full_nodes, validators)
except Exception as e:
msg = '!!! Error when initialising {}: {} !!!'.format(monitor_name, e)
log_and_print(msg)
raise InitialisationException(msg)
while True:
# Start
log_and_print('{} started with {} validator(s) and {} full node(s).'
''.format(monitor_name, len(validators), len(full_nodes)))
sys.stdout.flush()
try:
start_network_monitor(network_monitor,
InternalConf.network_monitor_period_seconds,
logger_monitor_network)
except Exception as e:
full_channel_set.alert_error(
TerminatedDueToExceptionAlert(monitor_name, e))
log_and_print('{} stopped.'.format(monitor_name))
def run_commands_telegram():
# Fixed monitor name
monitor_name = 'Telegram commands'
# Check if Telegram commands enabled
if not UserConf.telegram_cmds_enabled:
return
while True:
# Start
log_and_print('{} started.'.format(monitor_name))
sys.stdout.flush()
try:
TelegramCommands(
UserConf.telegram_cmds_bot_token,
UserConf.telegram_cmds_bot_chat_id,
logger_commands_telegram, REDIS,
InternalConf.redis_twilio_snooze_key,
InternalConf.redis_periodic_alive_reminder_mute_key,
InternalConf.redis_node_monitor_alive_key_prefix,
InternalConf.redis_network_monitor_alive_key_prefix,
InternalConf.redis_network_monitor_last_height_key_prefix,
).start_listening()
except Exception as e:
full_channel_set.alert_error(
TerminatedDueToExceptionAlert(monitor_name, e))
log_and_print('{} stopped.'.format(monitor_name))
def run_monitor_github(repo_config: RepoConfig):
# Monitor name based on repository
monitor_name = 'GitHub monitor ({})'.format(repo_config.repo_name)
# Initialisation
try:
# Logger initialisation
logger_monitor_github = create_logger(
InternalConf.github_monitor_general_log_file_template.format(
repo_config.repo_page.replace('/', '_')), repo_config.repo_page,
InternalConf.logging_level, rotating=True)
# Get releases page
releases_page = InternalConf.github_releases_template.format(
repo_config.repo_page)
# Initialise monitor
github_monitor = GitHubMonitor(
monitor_name, full_channel_set, logger_monitor_github, REDIS,
repo_config.repo_name, releases_page,
InternalConf.redis_github_releases_key_prefix)
except Exception as e:
msg = '!!! Error when initialising {}: {} !!!'.format(monitor_name, e)
log_and_print(msg)
raise InitialisationException(msg)
while True:
# Start
log_and_print('{} started.'.format(monitor_name))
sys.stdout.flush()
try:
start_github_monitor(github_monitor,
InternalConf.github_monitor_period_seconds,
logger_monitor_github)
except Exception as e:
full_channel_set.alert_error(
TerminatedDueToExceptionAlert(monitor_name, e))
log_and_print('{} stopped.'.format(monitor_name))
def run_periodic_alive_reminder():
if not UserConf.periodic_alive_reminder_enabled:
return
name = "Periodic alive reminder"
# Initialisation
periodic_alive_reminder = PeriodicAliveReminder(
UserConf.interval_seconds, periodic_alive_reminder_channel_set,
InternalConf.redis_periodic_alive_reminder_mute_key, REDIS)
while True:
# Start
log_and_print('{} started.'.format(name))
sys.stdout.flush()
try:
periodic_alive_reminder.start()
except Exception as e:
periodic_alive_reminder_channel_set.alert_error(
TerminatedDueToExceptionAlert(name, e))
log_and_print('{} stopped.'.format(name))
if __name__ == '__main__':
if not INTERNAL_CONFIG_FILE_FOUND:
sys.exit('Config file {} is missing.'.format(INTERNAL_CONFIG_FILE))
elif len(MISSING_USER_CONFIG_FILES) > 0:
sys.exit('Config file {} is missing. Make sure that you run the setup '
'script (run_setup.py) before running the alerter.'
''.format(MISSING_USER_CONFIG_FILES[0]))
# Global loggers initialisation
logger_redis = create_logger(
InternalConf.redis_log_file, 'redis',
InternalConf.logging_level)
logger_general = create_logger(
InternalConf.general_log_file, 'general',
InternalConf.logging_level, rotating=True)
logger_commands_telegram = create_logger(
InternalConf.telegram_commands_general_log_file, 'commands_telegram',
InternalConf.logging_level, rotating=True)
log_file_alerts = InternalConf.alerts_log_file
# Redis initialisation
if UserConf.redis_enabled:
REDIS = RedisApi(
logger_redis, InternalConf.redis_database, UserConf.redis_host,
UserConf.redis_port, password=UserConf.redis_password,
namespace=UserConf.unique_alerter_identifier)
else:
REDIS = None
# Alerters initialisation
alerter_name = 'PANIC'
full_channel_set = get_full_channel_set(
alerter_name, logger_general, REDIS, log_file_alerts)
log_and_print('Enabled alerting channels (general): {}'.format(
full_channel_set.enabled_channels_list()))
periodic_alive_reminder_channel_set = \
get_periodic_alive_reminder_channel_set(alerter_name, logger_general,
REDIS, log_file_alerts)
log_and_print('Enabled alerting channels (periodic alive reminder): {}'
''.format(periodic_alive_reminder_channel_set.
enabled_channels_list()))
sys.stdout.flush()
# Nodes initialisation
nodes = []
nodes_inaccessible = []
for n in UserConf.filtered_nodes:
try:
nodes.append(node_from_node_config(n))
except InitialisationException as ie:
log_and_print(str(ie))
nodes_inaccessible.append(n)
if n.node_is_validator:
full_channel_set.alert_major(
NodeInaccessibleDuringStartup(n.node_name))
else:
full_channel_set.alert_minor(
NodeInaccessibleDuringStartup(n.node_name))
# Remove inaccessible nodes
for ni in nodes_inaccessible:
UserConf.filtered_nodes.remove(ni)
# Organize nodes into lists according to how they will be monitored
node_monitor_nodes = []
network_monitor_nodes = []
for node, node_conf in zip(nodes, UserConf.filtered_nodes):
if node_conf.include_in_node_monitor:
node_monitor_nodes.append(node)
if node_conf.include_in_network_monitor:
network_monitor_nodes.append(node)
# Get unique networks and group nodes by network
unique_networks = {n.network for n in network_monitor_nodes}
nodes_by_network = {net: [node for node in network_monitor_nodes
if node.network == net]
for net in unique_networks}
# Test connection to GitHub pages
repos_inaccessible = []
for r in UserConf.filtered_repos:
try:
test_connection_to_github_page(r)
except InitialisationException as ie:
log_and_print(str(ie))
repos_inaccessible.append(r)
full_channel_set.alert_minor(
RepoInaccessibleDuringStartup(r.repo_name))
# Remove inaccessible repos
for ri in repos_inaccessible:
UserConf.filtered_repos.remove(ri)
# Run monitors
monitor_node_count = len(node_monitor_nodes)
monitor_network_count = len(unique_networks)
monitor_github_count = len(UserConf.filtered_repos)
commands_telegram_count = 1
periodic_alive_reminder_count = 1
total_count = sum([monitor_node_count, monitor_network_count,
monitor_github_count, commands_telegram_count,
periodic_alive_reminder_count])
with concurrent.futures.ThreadPoolExecutor(max_workers=total_count) \
as executor:
executor.map(run_monitor_nodes, node_monitor_nodes)
executor.map(run_monitor_network, nodes_by_network.items())
executor.map(run_monitor_github, UserConf.filtered_repos)
executor.submit(run_commands_telegram)
executor.submit(run_periodic_alive_reminder)