Loki
To send events from Loki, specify the values of your env vars
in your Loki code
.
- host/url: The host value is your endpoints URL
https://opfjghplsd8klnw.ingress.axiom.co
generated when creating your endpoints. - labels/tags: Optionally specify the
labels or tags
for your app.
Examples
Send logs from Loki using JavaScript
const { createLogger, transports, format, } = require("winston");
const LokiTransport = require("winston-loki");
let logger;
const initializeLogger = () => {
if (logger) {
return;
}
logger = createLogger({
transports: [
new LokiTransport({
host: "$LOKI_ENDPOINT_URL",
labels: { app: "axiom-loki-endpoint" },
json: true,
format: format.json(),
replaceTimestamp: true,
onConnectionError: (err) => console.error(err),
}),
new transports.Console({
format: format.combine(format.simple(), format.colorize()),
}),
],
});
};
initializeLogger()
logger.info("Starting app...");
Send logs from Loki using Python
import logging
import logging_loki
# Create a handler
handler = logging_loki.LokiHandler(
url='$LOKI_ENDPOINT_URL',
tags={'app': 'axiom-loki-py-endpoint'},
version='1',
)
# Create a logger
logger = logging.getLogger('loki')
# Add the handler to the logger
logger.addHandler(handler)
# Log some messages
logger.info('Hello, world from Python!')
logger.warning('This is a warning')
logger.error('This is an error')