Updates to SCM tracker.

5 files changed, 77 insertions, 0 deletions

diff --git a/CHANGELOG b/CHANGELOG
index 4b0e1c11..6e4b7fc7 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -22,6 +22,7 @@ Cobbler CHANGELOG
 - (FEAT) web UI search feature
 - (FEAT) very simple "cobbler hardlink" command to optimize space in /var/www/cobbler
 - (FEAT) new "change" trigger that runs on all adds/edits/removes/syncs
+- (FEAT) an SCM trigger that knows about /var/lib/cobbler kickstarts, snippets, and config directories, and audits them for changes
 
 - Tue Mar 3 2009 - 1.4.3
 - (BUGF) fix OMAPI support's (note: deprecated) usage of subprocess
diff --git a/cobbler/modules/scm_track.py b/cobbler/modules/scm_track.py
new file mode 100644
index 00000000..dd9ef687
--- /dev/null
+++ b/cobbler/modules/scm_track.py
@@ -0,0 +1,62 @@
+import distutils.sysconfig
+import sys
+import os
+import traceback
+from cobbler.cexceptions import *
+import os
+import sub_process
+import sys
+#import xmlrpclib
+import cobbler.module_loader as module_loader
+
+plib = distutils.sysconfig.get_python_lib()
+mod_path="%s/cobbler" % plib
+sys.path.insert(0, mod_path)
+
+def register():
+    # this pure python trigger acts as if it were a legacy shell-trigger, but is much faster.
+    # the return of this method indicates the trigger type
+    return "/var/lib/cobbler/triggers/change/*"
+
+def scall(args):
+    op = sub_process.Popen(args, shell=False, stdout=sub_process.PIPE, stderr=sub_process.PIPE)
+    op.communicate()
+    
+
+def run(api,args):
+
+    
+    settings = api.settings()
+
+    scm_track_enabled   = str(settings.scm_track_enabled).lower()
+    mode                = str(settings.scm_track_mode).lower()
+
+    if scm_track_enabled not in [ "y", "yes", "1", "true" ]:
+       # feature disabled
+       return 0
+   
+    if mode == "git":
+
+       old_dir = os.getcwd()
+       os.chdir("/var/lib/cobbler")
+       if os.getcwd() != "/var/lib/cobbler":
+           raise "danger will robinson"
+
+       if not os.path.exists("/var/lib/cobbler/.git"):
+           scall(["git","init"])
+
+       # FIXME: if we know the remote user of an XMLRPC call
+       # use them as the author
+
+       scall(["git","add","config"])
+       scall(["git","add","kickstarts"])
+       scall(["git","add","snippets"])
+
+       scall(["git","commit","-m",'API update',"--author","'cobbler <root@localhost.localdomain>'"])
+
+       os.chdir(old_dir)
+
+       return 0
+
+    else:
+       raise CX("currently unsupported SCM type: %s" % mode)
diff --git a/cobbler/settings.py b/cobbler/settings.py
index 2f2fddb3..ce49d9c8 100644
--- a/cobbler/settings.py
+++ b/cobbler/settings.py
@@ -101,6 +101,8 @@ DEFAULTS = {
     "restart_dhcp"                : 1,
     "restart_xinetd"              : 1,
     "run_install_triggers"        : 1,
+    "scm_track_enabled"           : 0,
+    "scm_track_mode"              : "git",
     "server"                      : "127.0.0.1",
     "snippetsdir"                 : "/var/lib/cobbler/snippets",
     "tftpd_bin"                   : "/usr/sbin/in.tftpd",
diff --git a/installer_templates/settings.template b/installer_templates/settings.template
index d97f32c8..51457a64 100644
--- a/installer_templates/settings.template
+++ b/installer_templates/settings.template
@@ -311,6 +311,15 @@ register_new_installs: 0
 # uses a logging trigger to audit install progress.
 run_install_triggers: 1
 
+# enables a trigger which version controls all changes to /var/lib/cobbler
+# when add, edit, or sync events are performed.  This can be used
+# to revert to previous database versions, generate RSS feeds, or for
+# other auditing or backup purposes.  git is the recommend SCM
+# for use with this feature.  
+
+scm_track_enabled: 0
+scm_track_mode: "git"
+
 # this is the address of the cobbler server -- as it is used
 # by systems during the install process, it must be the address
 # or hostname of the system as those systems can see the server.
diff --git a/setup.py b/setup.py
index c84b65b6..ae8807d1 100644
--- a/setup.py
+++ b/setup.py
@@ -164,6 +164,9 @@ if __name__ == "__main__":
 
                                 # for --version support across distros
                                 (libpath,  ['config/version']),
+     
+                                # for version control tracking feature
+                                (libpath,  ['config/gitignore']),
 
                                 # bootloaders and syslinux support files
                                 (libpath,  ['loaders/elilo-3.8-ia64.efi']),