A web-based GUI for managing and monitoring the Pacemaker High-Availability cluster resource manager
Hawk provides a web interface for High Availability clusters managed by the Pacemaker cluster resource manager. The current goal of the project is to provide a complete management interface to the HA cluster, both in the form of a flexible REST API as well as a modern client frontend using the API.
The exact versions specified here may not be accurate. Also, note that Hawk also requires the rubygems listed in
For details about the Hawk API server, see the separate repository at Github:
On openSUSE use following commands:
zypper install hawk2 crm cluster init
Once initialized, go to
use the following project for deploying hawk https://github.com/SUSE/pacemaker-deploy
You can change the configurations of both instances of the Puma sever through the configuration file in
hawk/config/puma.rb. You can also pass options directly through environment variables.
Please also note that the Puma server is configured to use a maximum number of 16 threads withing one worker in clustered mode. This application is thread safe and you can customize this through the puma.rb file.
For further information about threads and workers in Puma, please take a look at this great article by Heroku: Puma web server article
Hawk's tools are the programs under the
ls /usr/sbin/hawk_* -l+ + -rwsr-x--- 1 root haclient 9884 2011-04-14 22:56 /usr/sbin/hawk_chkpwd+ -rwsr-x--- 1 root haclient 9928 2011-04-14 22:56 /usr/sbin/hawk_invoke+
hawk_chkpwdis almost identical to
unix2_chkpwd, except it restricts acccess to users in the
haclientgroup, and doesn't inject any delay when invoked by the
haclusteruser (which is the user the Hawk web server instance runs as).
haclusteruser to run a small assortment of Pacemaker CLI tools as another user in order to support Pacemaker's ACL feature. It is used by Hawk when performing various management tasks.