Running Commands

Maand enables executing Linux commands across all workers seamlessly.

Commands

Commands are added to the command.sh file in the workspace folder.

Example Folder Structure

.
├── data
│   └── maand.db
├── logs
│   └── maand.log
├── maand.conf
├── secrets
│   ├── ca.crt
│   └── ca.key
│   └── worker.key
└── workspace
    ├── workers.json
    ├── command.sh  <==============================
    └── maand.jobs.conf

Define Commands

1. Open the workspace/command.sh file.
2. Add the desired command(s).

Example: Disk Usage Check

$ cat workspace/command.sh
df -h

Build Workspace

Compile the changes: use build command always whenever changes made to workspace folder.

$ maand build

Execute Commands

Run the script across all worker:

$ maand run_command

Sample Output

Results are displayed per agent:

[10.27.221.144] Filesystem                      Size  Used Avail Use% Mounted on
[10.27.221.144] /dev/mapper/fedora_agent2-root   15G  9.9G  5.1G  66% /
[10.27.221.170] Filesystem                      Size  Used Avail Use% Mounted on
[10.27.221.170] /dev/mapper/fedora_agent3-root   15G  9.8G  5.2G  66% /
[10.27.221.181] Filesystem                      Size  Used Avail Use% Mounted on
[10.27.221.181] /dev/mapper/fedora_fedora-root   15G   11G  4.5G  71% /

Logs

Command results are saved in the logs directory for each worker.

Example:

$ tree logs
logs
├── 10.27.221.144.log
├── 10.27.221.170.log
└── 10.27.221.181.log

Log Content:

Filesystem                      Size  Used Avail Use% Mounted on
/dev/mapper/fedora_agent2-root   15G  9.9G  5.1G  66% /
devtmpfs                        4.0M     0  4.0M   0% /dev
tmpfs                           7.8G     0  7.8G   0% /dev/shm