Initial Gentoo support (from Michael Jinks)

git-svn-id: https://svn.mcs.anl.gov/repos/bcfg/trunk/bcfg2@2561 ce84e21b-d406-0410-9b95-82705330c041

1 files changed, 68 insertions, 0 deletions

diff --git a/src/lib/Client/Tools/Portage.py b/src/lib/Client/Tools/Portage.py
new file mode 100644
index 000000000..0edacda5f
--- /dev/null
+++ b/src/lib/Client/Tools/Portage.py
@@ -0,0 +1,68 @@
+'''This is the bcfg2 support for the Gentoo Portage system, largely cribbed from the
+APT one'''
+__revision__ = '$Revision: $'
+
+import re
+import Bcfg2.Client.Tools
+
+class Portage(Bcfg2.Client.Tools.PkgTool):
+    '''The Gentoo toolset implements package and service operations and inherits
+    the rest from Toolset.Toolset'''
+    __name__ = 'Portage'
+    __execs__ = ['/usr/bin/emerge', '/usr/bin/equery']
+    __important__ = ["/etc/make.conf", "/etc/make.globals", \
+    	             "/etc/make.profile/make.defaults", "/etc/make.profile/packages" ]
+    __handles__ = [('Package', 'ebuild')]
+    __req__ = {'Package': ['name', 'version']}
+    pkgtype = 'ebuild'
+    '''requires a working PORTAGE_BINHOST in make.conf'''
+    pkgtool = ('emerge --getbinpkgonly =%s', ('%s-%s', ['name', 'version']))
+    
+    def __init__(self, logger, cfg, setup, states):
+        Bcfg2.Client.Tools.PkgTool.__init__(self, logger, cfg, setup, states)
+        self.cfg = cfg
+        if not self.setup['dryrun']:
+            self.cmd.run("emerge -q --sync")
+        self.installed = {}
+        self.RefreshPackages()
+    def RefreshPackages(self):
+        '''Refresh memory hashes of packages'''
+        cache = self.cmd.run("equery -q list")
+        self.installed = {}
+        for pkg in cache:
+	    # there has got to be a better way...
+            name = re.split("-[0-9]", pkg)[0]
+            version = re.sub(name+"-", "", pkg)
+            self.installed[name] = version
+
+    def VerifyPackage(self, entry, modlist):
+        '''Verify package for entry'''
+        if not entry.attrib.has_key('version'):
+            self.logger.info("Cannot verify unversioned package %s" %
+                             (entry.attrib['name']))
+            return False
+        if self.installed.has_key(entry.attrib['name']):
+            if self.installed[entry.attrib['name']] == entry.attrib['version']:
+                if not self.setup['quick'] and entry.get('verify', 'true') == 'true':
+		    # mrj - there's probably a "python way" to avoid the grep...?
+                    output = self.cmd.run("/usr/bin/equery check =%s | grep '!!!'" \
+		    	% entry.get('name'))[1]
+                    if [filename for filename in output if filename not in modlist]:
+                        return False
+                return True
+            else:
+                entry.set('current_version', self.installed[entry.get('name')])
+                return False
+        entry.set('current_exists', 'false')
+        return False
+
+    def RemovePackages(self, packages):
+        '''Deal with extra configuration detected'''
+        if len(packages) > 0:
+            self.logger.info('Removing packages:')
+            self.logger.info(packages)
+            self.cmd.run("emerge --unmerge --quiet %s" % " ".join(packages))
+            self.RefreshPackages()
+            self.extra = self.FindExtraPackages()
+              
+