command-runner v0.2.2
command-runner
A simple command runner, inspired from Whiskey process runner.
Installation
npm install -g command-runner
This will install the command-runner module globally and add the cr
cli tool to your PATH.
Usage
cr --config filename.json [--debug]
Configuration file
This JSON file is used to specify all the commands to run asynchronously.
Example configuration file :
{
"http-server": {
"cmd": [ "http-server", "-p", "8000", "./" ],
"log": {
"type": "file",
"options": {
"name": "http-server.log"
}
},
"wait": {
"type": "socket",
"options": {
"host": "127.0.0.1",
"port": "8000",
"timeout": "3000"
}
}
},
"localtunnel": {
"cmd": [ "lt", "--port", "8000" ],
"wait": {
"type": "output",
"options": {
"match": "your url is:",
"timeout": "3000"
}
}
},
"test": {
"cmd": [ "tape", "tests/**/*.js" ],
"depends": [ "http-server", "localtunnel" ],
"log": {
"type": "output"
},
"exit_on_success": true
}
}
Options
Name | Type | Required | Description |
---|---|---|---|
cmd | Array | yes | The command to run |
cwd | string | no | The command working directory. Default is current directory. |
depends | Array | no | The names of command dependencies. Name must be defined in configuration. |
log | Object | no | The command output log configuration. |
wait | Object | no | The command start wait condition configuration. |
exit_on_success | boolean | no | Indicate if runner gracefully exit if the command terminate with zero exit code. Default is false. |
abort_on_error | boolean | no | Indicate if runner gracefully abort if the command terminate with non-zero exit code. Default is true. |
"log" configuration object
Name | Type | Required | Description |
---|---|---|---|
type | string | yes | The output log type : file , output , stdout or stderr . |
options | Object | no | The output log options. |
output
: respectively redirect command process stdout and stderr to runner stdout and stderr. Has no options.
stdout
: redirect only command process stdout to runner stdout. Has no options.
stderr
: redirect only command process stderr to runner stderr. Has no options.
file
: redirect command process output to a file using the following options :
Name | Type | Required | Description |
---|---|---|---|
name | string | yes | The filename. |
input | string | no | The stream input : output , stdout or stderr . Default is output . |
stream_options | Object | no | The fs.createStream options. |
fs.createStream default behavious is open file for writing. The file is created (if it does not exist) or truncated (if it exists). To append, just set stream_options
to {"flags": "a"}
.
"wait" configuration object
Name | Type | Required | Description |
---|---|---|---|
type | string | yes | The wait condition type : output , socket , done , or timer . |
options | Object | no | The wait condition options. |
output
: wait for an output string (stdout and stderr) to match using the following options :
Name | Type | Required | Description |
---|---|---|---|
match | string | yes | The string to match. |
timeout | number | no | The wait timeout in milliseconds. Default is 10000 . |
socket
: wait for a socket using the following options :
Name | Type | Required | Description |
---|---|---|---|
port | number | yes | The port number. |
host | string | no | The hostname or ip address. Default is localhost |
timeout | number | no | The wait timeout in milliseconds. Default is 10000 . |
interval | number | no | The connect retry interval in milliseconds. Default is 200 . |
done
: wait for a process to run and exit with success code using the following options :
Name | Type | Required | Description |
---|---|---|---|
timeout | number | no | The wait timeout in milliseconds. Must be greater than or equal to 100. |
timer
: wait for a timer duration using the following options :
Name | Type | Required | Description |
---|---|---|---|
duration | number | yes | The wait duration in milliseconds. Must be greater than or equal to 100. |