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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

10

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)