# A Script For NCBA MSL

## What the script can do

It is a boot menu for fast switch application environment and appilcation management 

It provided a few of feature for application

- Application startup/shutdown
- Log in system feels as simulated application user
- Show more property of application (running state, version, file size, last updated... )
- Logging trace
- Colorful UI displays
- Switch application fast and friendly

## Screenshot

![](./img/tty.gif)


## Customized definition

```bash
# Default Group on Configuration center  
conf_group="DEFAULT_GROUP"

# Location for configuration file store while auto pull from Configuration center  
conf_directory="/home/ncbamsl/conf/"

# Configuration center's host
conf_center_host="10.0.0.13:9084"

# Communal configuration id 
profile_common="common.properties"

# Application startup script
startup_script="${base_home}/bin/startApp-configclient.sh"

# Inject script (recommend don't change it)
inject_script=${base_home}/.inject.script

# Inject profile (recommend don't change it)
initrc=${base_home}/.injectrc
```

## Dependency

- expect

    ```bash
    yum install -y expect
    ```

- unzip

    ```bash
    yum install -y unzip
    ```

## Feature coming soon 

- Logging trace (**Implemented**)

    > Switch to application's logging directory and tail -f xxx.out automatic

- Display application's version on menu (**Implemented**)

    > Get version from app.war like as below
    > `unzip -p boss.war META-INF/MANIFEST.MF  | grep Implementation-Version:  | awk -F ':' '{print $2}'`
    > `1.0.0-SNAPSHOT`