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      <b><font size = "5">OAI CI Virtual-Machine-based Test Environment: Properly Destroy all VM instances</font></b>
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**Table of Contents**

[[_TOC_]]

# 1. Introduction #

```bash
$ cd /tmp/CI-raphael
$ ./ci-scripts/oai-ci-vm-tool destroy --help
OAI CI VM script
   Original Author: Raphael Defosseux
   Requirements:
     -- uvtool uvtool-libvirt apt-cacher

Usage:
------
    oai-ci-vm-tool destroy [OPTIONS]

Mandatory Options:
--------
    --job-name #### OR -jn ####
    Specify the name of the Jenkins job.

    --build-id #### OR -id ####
    Specify the build ID of the Jenkins job.

Options:
--------
    --help OR -h
    Print this help message.
```

# 2. Detailed Description #

Source file concerned: `ci-scripts/destroyAllRunningVM.sh`

## 2.1. destroy_vm function ##

This is the function that is being called from the main oai-vm-tool script.

The main purpose is to destroy all VM instances whose name matches a pattern.

It also cleans up the `.ssh/known_hosts` file.

# 3. Typical Usage #

```bash
$ cd /tmp/CI-raphael
$ ./ci-scripts/oai-ci-vm-tool destroy --job-name raphael --build-id 1
```

---

You can go back to the [CI dev main page](./ci_dev_home.md)

