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Added changes of formatting tools

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This commit is contained in:
Tobias Hodapp 2023-08-22 13:40:05 +02:00
parent e576403b64
commit a3edf757ee
2 changed files with 34 additions and 25 deletions
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2
borgmatic/hooks/dispatch.py
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@ -4,6 +4,7 @@ from borgmatic.hooks import (
cronhub, cronhub,
cronitor, cronitor,
healthchecks, healthchecks,
loki,
mariadb, mariadb,
mongodb, mongodb,
mysql, mysql,
@ -11,7 +12,6 @@ from borgmatic.hooks import (
pagerduty, pagerduty,
postgresql, postgresql,
sqlite, sqlite,
loki,
) )
logger = logging.getLogger(__name__) logger = logging.getLogger(__name__)

57
borgmatic/hooks/loki.py
View file

@ -1,8 +1,10 @@
import logging
import requests
import json import json
import time import logging
import platform import platform
import time
import requests
from borgmatic.hooks import monitor from borgmatic.hooks import monitor
logger = logging.getLogger(__name__) logger = logging.getLogger(__name__)
@ -16,50 +18,54 @@ MONITOR_STATE_TO_HEALTHCHECKS = {
# Threshold at which logs get flushed to loki # Threshold at which logs get flushed to loki
MAX_BUFFER_LINES = 100 MAX_BUFFER_LINES = 100
class loki_log_buffer():
class loki_log_buffer:
''' '''
A log buffer that allows to output the logs as loki requests in json A log buffer that allows to output the logs as loki requests in json
''' '''
def __init__(self, url, dry_run): def __init__(self, url, dry_run):
self.url = url self.url = url
self.dry_run = dry_run self.dry_run = dry_run
self.root = {} self.root = {}
self.root["streams"] = [{}] self.root['streams'] = [{}]
self.root["streams"][0]["stream"] = {} self.root['streams'][0]['stream'] = {}
self.root["streams"][0]["values"] = [] self.root['streams'][0]['values'] = []
def add_value(self, value): def add_value(self, value):
timestamp = str(time.time_ns()) timestamp = str(time.time_ns())
self.root["streams"][0]["values"].append((timestamp, value)) self.root['streams'][0]['values'].append((timestamp, value))
def add_label(self, label, value): def add_label(self, label, value):
self.root["streams"][0]["stream"][label] = value self.root['streams'][0]['stream'][label] = value
def _to_request(self): def _to_request(self):
return json.dumps(self.root) return json.dumps(self.root)
def __len__(self): def __len__(self):
return len(self.root["streams"][0]["values"]) return len(self.root['streams'][0]['values'])
def flush(self): def flush(self):
if self.dry_run: if self.dry_run:
self.root["streams"][0]["values"] = [] self.root['streams'][0]['values'] = []
return return
if len(self) == 0: if len(self) == 0:
return return
request_body = self._to_request() request_body = self._to_request()
self.root["streams"][0]["values"] = [] self.root['streams'][0]['values'] = []
request_header = {"Content-Type": "application/json"} request_header = {'Content-Type': 'application/json'}
try: try:
r = requests.post(self.url, headers=request_header, data=request_body, timeout=5) result = requests.post(self.url, headers=request_header, data=request_body, timeout=5)
r.raise_for_status() result.raise_for_status()
except requests.RequestException: except requests.RequestException:
logger.warn("Failed to upload logs to loki") logger.warn('Failed to upload logs to loki')
class loki_log_handeler(logging.Handler): class loki_log_handeler(logging.Handler):
''' '''
A log handler that sends logs to loki A log handler that sends logs to loki
''' '''
def __init__(self, url, dry_run): def __init__(self, url, dry_run):
super().__init__() super().__init__()
self.buffer = loki_log_buffer(url, dry_run) self.buffer = loki_log_buffer(url, dry_run)
@ -79,23 +85,25 @@ class loki_log_handeler(logging.Handler):
if len(self.buffer) > 0: if len(self.buffer) > 0:
self.buffer.flush() self.buffer.flush()
def initialize_monitor(hook_config, config, config_filename, monitoring_log_level, dry_run): def initialize_monitor(hook_config, config, config_filename, monitoring_log_level, dry_run):
''' '''
Add a handler to the root logger to regularly send the logs to loki Add a handler to the root logger to regularly send the logs to loki
''' '''
url = hook_config.get('url') url = hook_config.get('url')
loki = loki_log_handeler(url, dry_run) loki = loki_log_handeler(url, dry_run)
for k, v in hook_config.get('labels').items(): for key, value in hook_config.get('labels').items():
if v == '__hostname': if value == '__hostname':
loki.add_label(k, platform.node()) loki.add_label(key, platform.node())
elif v == '__config': elif value == '__config':
loki.add_label(k, config_filename.split('/')[-1]) loki.add_label(key, config_filename.split('/')[-1])
elif v == '__config_path': elif value == '__config_path':
loki.add_label(k, config_filename) loki.add_label(key, config_filename)
else: else:
loki.add_label(k, v) loki.add_label(key, value)
logging.getLogger().addHandler(loki) logging.getLogger().addHandler(loki)
def ping_monitor(hook_config, config, config_filename, state, monitoring_log_level, dry_run): def ping_monitor(hook_config, config, config_filename, state, monitoring_log_level, dry_run):
''' '''
Adds an entry to the loki logger with the current state Adds an entry to the loki logger with the current state
@ -106,6 +114,7 @@ def ping_monitor(hook_config, config, config_filename, state, monitoring_log_lev
if state in MONITOR_STATE_TO_HEALTHCHECKS.keys(): if state in MONITOR_STATE_TO_HEALTHCHECKS.keys():
handler.raw(f'{config_filename} {MONITOR_STATE_TO_HEALTHCHECKS[state]} backup') handler.raw(f'{config_filename} {MONITOR_STATE_TO_HEALTHCHECKS[state]} backup')
def destroy_monitor(hook_config, config, config_filename, monitoring_log_level, dry_run): def destroy_monitor(hook_config, config, config_filename, monitoring_log_level, dry_run):
''' '''
Remove the monitor handler that was added to the root logger. Remove the monitor handler that was added to the root logger.