forever-service v0.5.11
forever-service
Make provisioning node script as a service simple.
We love nodejs for server development. But, It is surprising to find that there is no standard tool to provision script as a service. Forever kind of tools comes close but they only demonize the process and not provision as service; which can be automatically started on reboots. To make matter worse, each OS and Linux distro has its own unique way of provisioning the services correctly.
Goals
- Make an universal service installer across various Linux distros and other OS.
- Automatically configure other useful things such as Logrotation scripts, port monitoring scripts etc.
- Graceful shutdown of services as default behaviour.
Platforms supported
- Amazon Linux
- Redhat Linux
- CentOS
- Ubuntu (upstart, sysv fallback for >= 15.04, no systemd support)
- Debian
- Raspbian
- OSMC Linux
- Fedora 21
- Oracle Linux
- Elementary OS
- BunsenLabs
- more to come..
Prerequisite
forever must be installed globally using
npm install -g forever
Install
npm install -g forever-service
Usage
$ forever-service --help
forever-service version 0.x.x
Usage: forever-service [options] [command]
Commands:
install [options] [service]
Install node script (defaults to app.js in current directory) as service via forever
delete [service]
Delete all provisioned files for the service, will stop service if running before delete
Options:
-h, --help output usage information
-V, --version output the version number
Install new service
$ forever-service install --help
forever-service version 0.x.x
Usage: install [options] [service]
Options:
-h, --help output usage information
-s, --script [script] Script to run as service e.g. app.js, defaults to app.js
-e --envVars [vars] Environment Variables for the script
e.g. -e "PORT=80 ENV=prod FOO=bar"
-o --scriptOptions " [options]" Command line options for the script
--minUptime [value] Minimum uptime (millis) for a script to not be considered "spinning", default 5000
--spinSleepTime [value] Time to wait (millis) between launches of a spinning script., default 2000
--noGracefulShutdown Disable graceful shutdown
-t --forceKillWaitTime [waittime] Time to wait in milliseconds before force killing; after failed graceful stop
defaults to 5000 ms, after which entire process tree is forcibly terminated
-f --foreverOptions " [options]" Extra command line options for forever
e.g. -f " --watchDirectory /your/watch/directory -w -c /custom/cli" etc..
NOTE: a mandatory space is required after double quotes, if begining with -
--start Start service after provisioning
--nologrotate Do not generate logrotate script
--logrotateFrequency [frequency] Frequency of logrotation
valid values are daily, weekly, monthly, "size 100k" etc, default daily
--logrotateMax [value] Maximum logrotated files to retain, default 10 (logrotate parameter)
--logrotateDateExt Archive old versions of log files adding a daily extension like YYYYMMDD instead of simply adding a number
--logrotateCompress Enable compression for logrotate
-p --foreverPath Path for forever cli e.g. /usr/local/bin,
by default forever cli is searched in system Path variable
-u --applyUlimits Apply increased ulimits in supported environment
-r --runAsUser [user] *Experimental* Run service as a specific user, defaults to root (No ubuntu support yet)
Delete service
$ forever-service delete --help
forever-service version 0.x.x
Usage: delete [options] [service]
Options:
-h, --help output usage information
Examples
- Provision a service 'test' with app.js script in current directory
$ sudo forever-service install test
On Amazon Linux, This command will setup initd script and provision service using chkconfig, Create logrotate scripts
- Provision a service 'test' with main.js script in current directory
$ sudo forever-service install test --script main.js
- Custom options for forever
$ sudo forever-service install test -f " --watchDirectory /your/watch/directory -w"
- Command line parameters for the script
$ sudo forever-service install test --script main.js -o " param1 param2"
- Delete service
$ sudo forever-service delete test
This command will stop service if running, clean up all provisioned files and service
- Get list of running services (Remember all forever command line options are available since we use forever internally)
$ sudo forever list
Run non nodejs scripts as service
forever allows to use -c command line parameter to point to alternate command line for execution, using that one can easily launch non-node apps also as service
- Run Java Program as service
$ sudo forever-service install javaservice1 -s start.jar -f " -c 'java -Xms1024m -Xmx1024m -jar'"
This command will run start.jar using java command line
- Run PHP Program as service
$ sudo forever-service install phpservice1 -s info.php -f " -c php"
This command will run info.php using php command line
Known Issue(s)
"restart service" command works like stop in Ubuntu due to bug in upstart https://bugs.launchpad.net/upstart/+bug/703800
Roadmap
Support other Linux distros, OSX, Windows etc.
Contributions are welcome, please send pull requests
Sponsored By
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