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Patchman ======== Summary ------- Patchman is a django-based patch status monitoring tool for linux systems, that provides a web interface for monitoring host package updates. Patchman clients send a list of installed packages and enabled repositories to the patchman server. The patchman server updates its package list for each repository and determines which hosts require updates, and whether those updates are normal or security updates. The web interface also gives information on potential issues, such as installed packages that are not from any repository. Hosts, packages, repositories and operating systems can all be filtered (using features or arbitrary tags). For example, it is possible to find out which hosts have a certain version of a package installed, and which repository it comes from. Patchman does not install update packages on hosts, it determines and records what updates are available for each host. Yum and apt plugins can send reports to the patchman server every time packages are installed or removed on a host. Source ------ The current code is available on github: https://github.com/furlongm/patchman Server-side dependencies ------------------------ python-django-tagging python-django-south python-django-extensions python-debian python-rpm python-progressbar python-lxml python-argparse The server can optionally make use of celery to asynchronously process the reports send by hosts. The appropriate python database library bindings are also required. Client-side dependencies ------------------------ The client-side dependencies are kept to a minimum. rpm and dpkg are required to report packages, yum and apt are required to report repositories. These packages are normally installed by default on most systems. rpm-based OS's can tell if a reboot is required to install a new kernel by looking at uname -r and comparing it to the highest installed kernel version. deb-based OS's do not always change the kernel version when a kernel update is installed, so these clients need the 'update-notifier-common' package installed to enable this functionality. Usage ----- The web interface contains a dashboard with items that need attention, and various pages to manipulate packages, repositories, operating systems and hosts. To populate the web interface, run the client on some hosts, this should provide some initial data to work with. On the server, the command line utility can be used to run certain maintenance tasks, e.g. processing the reports sent from hosts. Run 'patchman -h' for a rundown of the usage. Depending on your setup, there may be some initial work required to logically organise the data sent in the host reports. The following explanations may help in this case. Repositories can be linked to an OSGroup, or to a host itself. If the use_host_repos variable is set to True for a host, then updates are found by looking only at the repositories that belong to that host. This is the default behaviour and does not require OSGroups to be configured. If use_host_repos is set to False, the update-finding process looks at the OSGroup that the host is in, and uses the OSGroup's repositories to determine applicable updates. This is useful in environments where many hosts are homogeneous (e.g. cloud/cluster environments). An OSGroup is a collection of OS's. For example, a "Debian 7" OSGroup would be comprised of the following OS's -> "Debian 7.0", "Debian 7.3", "Debian 7.4". These OS names are obtained from the hosts, so they will probably differ depending on which updates have been installed, even though they run the same operating system. Likewise, a "CentOS 6" OSGroup covers "CentOS 6.0" through "CentOS 6.5". For repositories, each repository URL is counted as a separate mirror, unless the repositories are linked together. For Red Hat based hosts, this occurs automatically. Currently, for Debian-based hosts, you may need to link all mirrors that form a repository. This is not strictly necessary but may reduce the time to find updates.