Configure the SAML2 session database during installation
[cascardo/ipsilon.git] / ipsilon / install / ipsilon-server-install
index 1b9e58f..5c1ef70 100755 (executable)
@@ -1,21 +1,5 @@
 #!/usr/bin/python
-#
-# Copyright (C) 2014  Simo Sorce <simo@redhat.com>
-#
-# see file 'COPYING' for use and warranty information
-#
-# This program is free software; you can redistribute it and/or modify
-# it under the terms of the GNU General Public License as published by
-# the Free Software Foundation, either version 3 of the License, or
-# (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+# Copyright (C) 2014 Ipsilon project Contributors, for license see COPYING
 
 from ipsilon.login.common import LoginMgrsInstall
 from ipsilon.info.common import InfoProviderInstall
@@ -26,6 +10,7 @@ from ipsilon.tools import files
 import ConfigParser
 import argparse
 import cherrypy
+import json
 import logging
 import os
 import pwd
@@ -40,7 +25,7 @@ TEMPLATES = '/usr/share/ipsilon/templates/install'
 CONFDIR = '/etc/ipsilon'
 DATADIR = '/var/lib/ipsilon'
 HTTPDCONFD = '/etc/httpd/conf.d'
-BINDIR = '/usr/sbin'
+BINDIR = '/usr/libexec'
 STATICDIR = '/usr/share/ipsilon'
 WSGI_SOCKET_PREFIX = None
 
@@ -79,7 +64,15 @@ def openlogs():
         lh = logging.StreamHandler(sys.stderr)
     formatter = logging.Formatter('[%(asctime)s] %(message)s')
     lh.setFormatter(formatter)
+    lh.setLevel(logging.DEBUG)
     logger.addHandler(lh)
+    logger.propagate = False
+    ch = logging.StreamHandler(sys.stdout)
+    formatter = logging.Formatter('%(message)s')
+    ch.setFormatter(formatter)
+    ch.setLevel(logging.INFO)
+    logger.addHandler(ch)
+    cherrypy.log.error_log.setLevel(logging.DEBUG)
 
 
 def install(plugins, args):
@@ -109,12 +102,15 @@ def install(plugins, args):
                 'sysuser': args['system_user'],
                 'ipsilondir': BINDIR,
                 'staticdir': STATICDIR,
-                'admindb': args['database_url'] % {
+                'admindb': args['admin_dburi'] or args['database_url'] % {
                     'datadir': args['data_dir'], 'dbname': 'adminconfig'},
-                'usersdb': args['database_url'] % {
+                'usersdb': args['users_dburi'] or args['database_url'] % {
                     'datadir': args['data_dir'], 'dbname': 'userprefs'},
-                'transdb': args['database_url'] % {
-                    'datadir': args['data_dir'], 'dbname': 'transactions'},
+                'transdb': args['transaction_dburi'] or args['database_url'] %
+                {'datadir': args['data_dir'], 'dbname': 'transactions'},
+                'samlsessionsdb': args['samlsessions_dburi'] or args[
+                    'database_url'] % {'datadir': args['data_dir'],
+                                       'dbname': 'saml2sessions'},
                 'secure': "False" if args['secure'] == "no" else "True",
                 'debugging': "True" if args['server_debugging'] else "False"}
     # Testing database sessions
@@ -128,7 +124,7 @@ def install(plugins, args):
     else:
         confopts['sessopt'] = 'path'
         confopts['sessval'] = os.path.join(args['data_dir'], 'sessions')
-    # Whetehr to disable security (for testing)
+    # Whether to disable security (for testing)
     if args['secure'] == 'no':
         confopts['secure'] = "False"
         confopts['sslrequiressl'] = ""
@@ -162,6 +158,12 @@ def install(plugins, args):
     # components
     cherrypy.config.update(ipsilon_conf)
 
+    # Prepare to allow plugins to save things changed during install
+    changes = {'env_helper': {},
+               'login_manager': {},
+               'info_provider': {},
+               'auth_provider': {}}
+
     # Move pre-existing admin db away
     admin_db = cherrypy.config['admin.config.db']
     if os.path.exists(admin_db):
@@ -177,22 +179,43 @@ def install(plugins, args):
     logger.info('Configuring environment helpers')
     for plugin_name in plugins['Environment Helpers']:
         plugin = plugins['Environment Helpers'][plugin_name]
-        plugin.configure_server(args)
+        plugin_changes = {}
+        if plugin.configure_server(args, plugin_changes) == False:
+            logger.info('Configuration of environment helper %s failed' % plugin_name)
+        changes['env_helper'][plugin_name] = plugin_changes
 
     logger.info('Configuring login managers')
     for plugin_name in args['lm_order']:
-        plugin = plugins['Login Managers'][plugin_name]
-        plugin.configure(args)
+        try:
+            plugin = plugins['Login Managers'][plugin_name]
+        except KeyError:
+            sys.exit('Login provider %s not installed' % plugin_name)
+        plugin_changes = {}
+        if plugin.configure(args, plugin_changes) == False:
+            logger.info('Configuration of login manager %s failed' % plugin_name)
+        changes['login_manager'][plugin_name] = plugin_changes
 
     logger.info('Configuring Info provider')
     for plugin_name in plugins['Info Provider']:
         plugin = plugins['Info Provider'][plugin_name]
-        plugin.configure(args)
+        plugin_changes = {}
+        if plugin.configure(args, plugin_changes) == False:
+            logger.info('Configuration of info provider %s failed' % plugin_name)
+        changes['info_provider'][plugin_name] = plugin_changes
 
     logger.info('Configuring Authentication Providers')
     for plugin_name in plugins['Auth Providers']:
         plugin = plugins['Auth Providers'][plugin_name]
-        plugin.configure(args)
+        plugin_changes = {}
+        if plugin.configure(args, plugin_changes) == False:
+            logger.info('Configuration of auth provider %s failed' % plugin_name)
+        changes['auth_provider'][plugin_name] = plugin_changes
+
+    # Save any changes that were made
+    install_changes = os.path.join(instance_conf, 'install_changes')
+    changes = json.dumps(changes)
+    with open(install_changes, 'w+') as f:
+        f.write(changes)
 
     # Fixup permissions so only the ipsilon user can read these files
     files.fix_user_dirs(instance_conf, opts['system_user'])
@@ -202,9 +225,68 @@ def install(plugins, args):
     except Exception:  # pylint: disable=broad-except
         pass
 
+
 def uninstall(plugins, args):
     logger.info('Uninstallation initiated')
-    raise Exception('Not Implemented')
+    instance_conf = os.path.join(CONFDIR, args['instance'])
+
+    httpd_conf = os.path.join(HTTPDCONFD,
+                              'ipsilon-%s.conf' % args['instance'])
+    data_dir = os.path.join(DATADIR, args['instance'])
+
+    if not os.path.exists(instance_conf):
+        raise Exception('Could not find instance %s configuration'
+                        % args['instance'])
+    if not os.path.exists(httpd_conf):
+        raise Exception('Could not find instance %s httpd configuration'
+                        % args['instance'])
+    if not args['yes']:
+        sure = raw_input(('Are you certain you want to erase instance %s ' +
+                          '[yes/NO]: ')
+                         % args['instance'])
+        if sure != 'yes':
+            raise Exception('Aborting')
+
+    # Get the details of what we changed during installation
+    install_changes = os.path.join(instance_conf, 'install_changes')
+    with open(install_changes, 'r') as f:
+        changes = json.loads(f.read())
+
+    logger.info('Removing environment helpers')
+    for plugin_name in plugins['Environment Helpers']:
+        plugin = plugins['Environment Helpers'][plugin_name]
+        plugin_changes = changes['env_helper'].get(plugin_name, {})
+        if plugin.unconfigure(args, plugin_changes) == False:
+            logger.info('Removal of environment helper %s failed' % plugin_name)
+
+    logger.info('Removing login managers')
+    for plugin_name in plugins['Login Managers']:
+        plugin = plugins['Login Managers'][plugin_name]
+        plugin_changes = changes['login_manager'].get(plugin_name, {})
+        if plugin.unconfigure(args, plugin_changes) == False:
+            logger.info('Removal of login manager %s failed' % plugin_name)
+
+    logger.info('Removing Info providers')
+    for plugin_name in plugins['Info Provider']:
+        plugin = plugins['Info Provider'][plugin_name]
+        plugin_changes = changes['info_provider'].get(plugin_name, {})
+        if plugin.unconfigure(args, plugin_changes) == False:
+            logger.info('Removal of info provider %s failed' % plugin_name)
+
+    logger.info('Removing Authentication Providers')
+    for plugin_name in plugins['Auth Providers']:
+        plugin = plugins['Auth Providers'][plugin_name]
+        plugin_changes = changes['auth_provider'].get(plugin_name, {})
+        if plugin.unconfigure(args, plugin_changes) == False:
+            logger.info('Removal of auth provider %s failed' % plugin_name)
+
+    logger.info('Removing httpd configuration')
+    os.remove(httpd_conf)
+    logger.info('Erasing instance configuration')
+    shutil.rmtree(instance_conf)
+    logger.info('Erasing instance data')
+    shutil.rmtree(data_dir)
+    logger.info('Uninstalled instance %s' % args['instance'])
 
 
 def find_plugins():
@@ -264,11 +346,22 @@ def parse_args(plugins):
     parser.add_argument('--secure', choices=['yes', 'no'], default='yes',
                         help="Turn on all security checks")
     parser.add_argument('--config-profile', default=None,
-                        help="File containing install options")
+                        help=argparse.SUPPRESS)
     parser.add_argument('--server-debugging', action='store_true',
-                        help="Uninstall the server and all data")
+                        help="Enable debugging")
     parser.add_argument('--uninstall', action='store_true',
                         help="Uninstall the server and all data")
+    parser.add_argument('--yes', action='store_true',
+                        help="Always answer yes")
+    parser.add_argument('--admin-dburi',
+                        help='Configuration database URI (override template)')
+    parser.add_argument('--users-dburi',
+                        help='User configuration database URI (override '
+                             'template)')
+    parser.add_argument('--transaction-dburi',
+                        help='Transaction database URI (override template)')
+    parser.add_argument('--samlsessions-dburi',
+                        help='SAML 2 sessions database URI (override template)')
 
     lms = []
 
@@ -288,9 +381,17 @@ def parse_args(plugins):
     if not args['hostname']:
         args['hostname'] = socket.getfqdn()
 
+    if args['uninstall']:
+        return args
+
     if len(args['hostname'].split('.')) < 2:
         raise ConfigurationError('Hostname: %s is not a FQDN')
 
+    for plugin_group in plugins:
+        for plugin_name in plugins[plugin_group]:
+            plugin = plugins[plugin_group][plugin_name]
+            plugin.validate_args(args)
+
     try:
         pwd.getpwnam(args['system_user'])
     except KeyError:
@@ -305,12 +406,7 @@ def parse_args(plugins):
         args['lm_order'] = args['lm_order'].split(',')
 
     if len(args['lm_order']) == 0:
-        #force the basic pam provider if nothing else is selected
-        if 'pam' not in args:
-            parser.print_help()
-            sys.exit(-1)
-        args['lm_order'] = ['pam']
-        args['pam'] = 'yes'
+        sys.exit('No login plugins are enabled.')
 
     #FIXME: check instance is only alphanums
 
@@ -326,27 +422,33 @@ if __name__ == '__main__':
 
         logger.setLevel(logging.DEBUG)
 
-        logger.info('Intallation arguments:')
+        logger.debug('Installation arguments:')
         for k in sorted(opts.iterkeys()):
-            logger.info('%s: %s', k, opts[k])
+            logger.debug('%s: %s', k, opts[k])
 
         if 'uninstall' in opts and opts['uninstall'] is True:
+            if not os.path.exists(os.path.join(CONFDIR, opts['instance'])):
+                logger.info('Instance %s could not be found' % opts['instance'])
+                sys.exit(0)
             uninstall(fplugins, opts)
-
-        install(fplugins, opts)
+        else:
+            install(fplugins, opts)
     except Exception, e:  # pylint: disable=broad-except
         logger.exception(e)
         if 'uninstall' in opts and opts['uninstall'] is True:
-            print 'Uninstallation aborted.'
+            logger.info('Uninstallation aborted.')
         else:
-            print 'Installation aborted.'
-        print 'See log file %s for details' % LOGFILE
+            logger.info('Installation aborted.')
+        logger.info('See log file %s for details' % LOGFILE)
+        out = 1
+    except SystemExit:
         out = 1
+        raise
     finally:
         if out == 0:
             if 'uninstall' in opts and opts['uninstall'] is True:
-                print 'Uninstallation complete.'
+                logger.info('Uninstallation complete.')
             else:
-                print 'Installation complete.'
-                print 'Please restart HTTPD to enable the IdP instance.'
+                logger.info('Installation complete.')
+                logger.info('Please restart HTTPD to enable the IdP instance.')
     sys.exit(out)