Add ipa-server-install --uninstall

Add a --uninstall option to ipa-server-install which tries to
restore the system to the way it was before ipa-server-install
was run using the state backed up through sysrestore.py.

Signed-off-by: Mark McLoughlin <markmc@redhat.com>

1 files changed, 26 insertions, 6 deletions

diff --git a/ipa-server/ipa-install/ipa-server-install b/ipa-server/ipa-install/ipa-server-install
index bc4d8e27a..7a8ebe259 100644
--- a/ipa-server/ipa-install/ipa-server-install
+++ b/ipa-server/ipa-install/ipa-server-install
@@ -74,15 +74,21 @@ def parse_options():
                       default=False, help="configure bind with our zone file")
     parser.add_option("-U", "--unattended", dest="unattended", action="store_true",
                       default=False, help="unattended installation never prompts the user")
+    parser.add_option("", "--uninstall", dest="uninstall", action="store_true",
+                      default=False, help="uninstall an existing installation")
 
     options, args = parser.parse_args()
 
-    if options.unattended and (not options.ds_user or
-                               not options.realm_name or
-                               not options.dm_password or
-                               not options.admin_password or
-                               not options.master_password):
-        parser.error("error: In unattended mode you need to provide at least -u, -r, -p and -P options")
+    if options.uninstall:
+        if (options.ds_user or options.realm_name or
+            options.dm_password or options.admin_password or
+            options.master_password):
+            parser.error("error: In uninstall mode, -u, r, -p and -P options are not allowed")
+    elif options.unattended:
+        if (not options.ds_user or not options.realm_name or
+            not options.dm_password or not options.admin_password or
+            not options.master_password):
+            parser.error("error: In unattended mode you need to provide at least -u, -r, -p and -P options")
 
     return options
 
@@ -241,6 +247,17 @@ def read_admin_password():
     admin_password = read_password("IPA admin")
     return admin_password
 
+def uninstall():
+    ipaserver.ntpinstance.NTPInstance().uninstall()
+    ipaserver.bindinstance.BindInstance().uninstall()
+    ipaserver.webguiinstance.WebGuiInstance().uninstall()
+    ipaserver.httpinstance.HTTPInstance().uninstall()
+    ipaserver.krbinstance.KrbInstance().uninstall()
+    ipaserver.dsinstance.DsInstance().uninstall()
+    sysrestore.restore_file("/etc/hosts")
+    sysrestore.restore_file("/etc/ipa/ipa.conf")
+    return 0
+
 def main():
     global ds
     ds = None
@@ -256,6 +273,9 @@ def main():
 
     standard_logging_setup("ipaserver-install.log", options.debug)
 
+    if options.uninstall:
+        return uninstall()
+
     print "=============================================================================="
     print "This program will setup the FreeIPA Server."
     print ""