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pm2-logrotate-azure-upload

v1.0.3

Published

Module to rotate logs of every pm2 application and upload logs to Azure Storage

Downloads

7

Readme

Description

PM2 module to automatically rotate logs of processes managed by PM2 and upload to azure before deleting old logs.

Install

pm2 install pm2-logrotate-azure-upload

Configure

pm2 set pm2-logrotate-azure-upload:azureStorageConnectionString <AZURE_STORAGE_CONNECTION_STRING>
pm2 set pm2-logrotate-azure-upload:azureStorageContainer <AZURE_STORAGE_CONTAINER_NAME>

OR

create pm2-logrotate-azure-upload-config.js file in PM2 home folder which by default is ~/.pm2 . set config values as given in example below:

module.exports = {
    "max_size": "10M",
    "retain": "30",
    "compress": false,
    "dateFormat": "YYYY-MM-DD_HH-mm-ss",
    "workerInterval": "30",
    "rotateInterval": "0 0 * * * *",
    "rotateModule": true,
    "serverIp": null,
    "azureStorageConnectionString": "<AZURE_STORAGE_CONNECTION_STRING>",
    "azureStorageContainer": "<AZURE_STORAGE_CONTAINER_NAME>",
    "azureFilePathFormat": ""
}

Config Property Description

AZURE upload properties

All of the following properties needs to defined for azure upload to work.

  • azureStorageConnectionString (Defaults to null): This is Connection string of your azure storage account.
  • azureStorageContainer (Defaults to null): This is container name in azure storage account where logs will be stored.

PM2 log rotate properties

  • max_size (Defaults to 10MB): When a file size becomes higher than this value it will rotate it (its possible that the worker check the file after it actually pass the limit) . You can specify the unit at then end: 10G, 10M, 10K
  • retain (Defaults to all): This number is the number of rotated logs that are keep at any one time, it means that if you have retain = 7 you will have at most 7 rotated logs and your current one.
  • compress (Defaults to false): Enable compression via gzip for all rotated logs
  • dateFormat (Defaults to YYYY-MM-DD_HH-mm-ss) : Format of the data used the name the file of log
  • rotateModule (Defaults to true) : Rotate the log of pm2's module like other apps
  • workerInterval (Defaults to 30 in secs) : You can control at which interval the worker is checking the log's size (minimum is 1)
  • rotateInterval (Defaults to 0 0 * * * everyday at midnight): This cron is used to a force rotate when executed. We are using node-schedule to schedule cron, so all valid cron for node-schedule is valid cron for this option. Cron style :
*    *    *    *    *    *
┬    ┬    ┬    ┬    ┬    ┬
│    │    │    │    │    |
│    │    │    │    │    └ day of week (0 - 7) (0 or 7 is Sun)
│    │    │    │    └───── month (1 - 12)
│    │    │    └────────── day of month (1 - 31)
│    │    └─────────────── hour (0 - 23)
│    └──────────────────── minute (0 - 59)
└───────────────────────── second (0 - 59, OPTIONAL)