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monitoring-cloud

Collection of scripts to monitor OpenStack IaaS Cloud via Tempest API.

tempest is loaded as a git submodule from https://github.com/openstack/tempest/

Goals

Use tempest to monitor the stack and present the results to Nagios/Icinga

With access to the API services fgcloud-scripts will try to :

  • add/upload custom image (small one like cirros or tinylinux)
  • create a tiny node with that image and a custom SSH-key
  • create/attach a public IP address
  • create/attach a permanent storage
  • login using SSH-key
    • mount permanent storage
    • check writing and reading from the storage
    • unmount, reboot, recheck
  • cleanup

-> Done in the tempest.api.fgcloud.test_basic_scenario module

Usage

Usage: ./check_openstack.sh [OPTION] ...
Run Tempest test suite and filter output for monitoring by Nagios/Icinga
Output list of tests, failure traces, and performance data

  -c, --config <file>             Use a custom tempest.conf file location (default : tempest.conf)
                                  Must be in ./config/
  -e, --regex '^tempest\.regex'   Launch tests according to the regex (better in quotes)
  -h, --help                      Print this usage message
  -t, --timeout <time_in_sec>     Raise a WARNING if the test(s) run longer (default : 120)
  -u, --update                    Update the virtual environment (does not run any test)
  -- <single.test.to.run>         After any other options add a double dash following a test.name.to.run

Exemple : ./check_openstack.sh -t 90 -- tempest.api.fgcloud.test_basic_scenario
Exemple : ./check_openstack.sh -e '(^tempest\.api\.fgcloud\.test_basic_(scenario|values))'

Setup / Installation

First git clone --recursive https://github.com/FranceGrilles/monitoring-cloud.git

Check the content of the 'config' directory and edit/rename/copy any of these files to suits your environment :

  • admin-creds : store the admin user information (only used by the tools/scripts to create/list/delete users)
  • accounts.yaml : used to store the credentials of the static testing_user(s).
  • tempest.conf : main config file that store all the specs of your stack. Pay attention to :
    • default_log_levels : If the output is too verbose, you may need to adapt these values
    • build_interval / build_timeout / ready_wait : these high values where ok for a dev_stack, but may not for a production site
    • [scenario] : if you wish to create then upload a custom image (like cirros), you may need to download the files (img,ami,ari,aki) to your computer first...
    • [service_available] : activate or desactivate the services according to your site
    • [auth]:test_accounts_file : the path to the file has to be like "../config/account.yaml" (relative to the tempest dir)

Once the config is done, simply run the init script :

tools/init.sh

This script will init and update the submodule plus create some links to the custom scripts and check the necessary binaries on your system.

Regarding the running system, it will try to install the required dependencies via yum or apt (python-virtualenv at least).

If only you have sudo, you'll be prompted for your password to auto-install the dependancies. So check the script output...

If not, you'll have to install the packages manually.

This has been successfully tested on Centos7, Ubuntu14 and Debian8.

Once the script has run, you can launch ./check_openstack.sh -- tempest.api.fgcloud.test_basic_scenario or any other tempest test :)

Feel free to report any problem you may encounter on github !

Isolation Tests

In addition to the previous wrapper, we provide another one to ensure that some actions cannot be made intra-tenant. For exemple : User_A create/launch a VM. User_B must not be allowed to destroy it or change anything related to it.

This is a security feature that is deprecated (by now) but some tweaks can make it work :) See the bug report : https://bugs.launchpad.net/nova/+bug/1539351

For this to work you have to patch some of the core files of your OpenStack installation and adapt some of the policies Refer to https://github.com/FranceGrilles/cloud-security.git for the patch files and policies exemples.

Setup

  • create two tempest.conf files (with your stack details) that points each to two separate accounts.yaml files ([auth]:test_accounts_file)
  • set the same [default]:site_id to those tempest.conf files (must be unique for your site)
  • each accounts.yaml must provide a unique/different non-admin user credential but the two must be on the same project/tenant.

Usage

Usage: ./check_isolation.sh [OPTION] ...
Run an isolation test between 2 users in the same tenant
Use check_openstack.sh to filter output

  -a <file>   Use a custom tempest.conf file location for user_1
  -b <file>   Use a custom tempest.conf file location for user_2
              Must be in ./config/
  -h          Print this help message

Exemple : ./check_isolation.sh -a tempest-1.conf -b tempest-2.conf

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