From dd155fee24fcb05dad7ea9df241ce138ad7083b0 Mon Sep 17 00:00:00 2001 From: Guilhem Moulin Date: Mon, 2 Dec 2013 05:56:20 +0100 Subject: Automatically configure Overlays. A 'suffix=' parameter has been added to choose the database to configure the overlay for. The ability to delete overlays would be desirable, but sadly there is no cleane way to remove/replace overlays, short of stopping slapd and digging into the slapd.d directory: http://www.zytrax.com/books/ldap/ch6/slapd-config.html#use-overlays --- lib/openldap | 73 ++++++++++++++++++++++++++++++++++++++---------------------- 1 file changed, 47 insertions(+), 26 deletions(-) (limited to 'lib') diff --git a/lib/openldap b/lib/openldap index a90a386..6f2bb68 100644 --- a/lib/openldap +++ b/lib/openldap @@ -34,6 +34,7 @@ indexedAttributes = frozenset([ 'olcObjectClasses', 'olcAccess', 'olcSyncrepl', + 'olcOverlay', ]) @@ -44,8 +45,9 @@ indexedAttributes = frozenset([ # ('%s' in the attribute value is replaced with the value of the source # entry.) indexedDN = { - 'olcSchemaConfig': [('cn', '{*}%s')], - 'olcHdbConfig': [('olcDbDirectory', '%s' )], + 'olcSchemaConfig': [('cn', '{*}%s')], + 'olcHdbConfig': [('olcDbDirectory', '%s' )], + 'olcOverlayConfig': [('olcOverlay', '%s' )], } # Allow for flexible ACLs for user using SASL's EXTERNAL mechanism. @@ -120,6 +122,7 @@ def flexibleSearch(module, l, dn, entry): if not idxClasses: base = dn scope = ldap.SCOPE_BASE + f = 'objectClass=*' else: # Search on the parent instead, and try to use a precise filter dn = str2dn(dn) @@ -211,13 +214,11 @@ def processEntry(module, l, dn, entry): # Load the given module. -def loadModule(module, name): +def loadModule(module, l, name): changed = False - l = ldap.initialize( 'ldapi://' ) - l.sasl_interactive_bind_s('', ldap.sasl.external()) f = filter_format( '(&(objectClass=olcModuleList)(olcModuleLoad=%s))', [name] ) - r = l.search_s( 'cn=config', ldap.SCOPE_ONELEVEL, filterstr = f, attrlist = [] ) + r = l.search_s( 'cn=config', ldap.SCOPE_ONELEVEL, filterstr = f, attrlist = [''] ) if not r: changed = True @@ -226,10 +227,19 @@ def loadModule(module, name): l.modify_s( 'cn=module{0},cn=config' , [(ldap.MOD_ADD, 'olcModuleLoad', name)] ) - l.unbind_s() return changed +# Find the database associated with a given attribute (eg, +# olcDbDirectory or olcSuffix). +def getDN_DB(module, l, a, v): + f = filter_format( '(&(objectClass=olcDatabaseConfig)('+a+'=%s))', [v] ) + return l.search_s( 'cn=config' + , ldap.SCOPE_ONELEVEL + , filterstr = f + , attrlist = [''] ) + + # Clear the given DB directory and delete the associated database. Fail # if non empty, unless all existing DNS are in skipdns. def wontRemove(module, skipdns, d, _): @@ -242,12 +252,7 @@ def removeDB(module, dbdir, skipdn=None): l = ldap.initialize( 'ldapi://' ) l.sasl_interactive_bind_s('', ldap.sasl.external()) - - f = filter_format( '(&(objectClass=olcDatabaseConfig)(olcDbDirectory=%s))', [dbdir] ) - r = l.search_s( 'cn=config' - , ldap.SCOPE_ONELEVEL - , filterstr = f - , attrlist = ['olcSuffix'] ) + r = getDN_DB( module, l, 'olcDbDirectory', dbdir ) l.unbind_s() if len(r) > 1: @@ -295,6 +300,7 @@ def main(): state = dict(default="present", choices=["absent", "present"]), target = dict( default=None ), module = dict( default=None ), + suffix = dict( default=None ), ), supports_check_mode=True ) @@ -305,6 +311,7 @@ def main(): ignoredn = params['ignoredn'] target = params['target'] mod = params['module'] + suffix = params['suffix'] if ignoredn is not None: ignoredn = ignoredn.split(':') @@ -319,20 +326,34 @@ def main(): module.fail_json(msg="missing dbdirectory") elif state == "present": - if target is not None: - # bind only once per LDIF file to - l = ldap.initialize( 'ldapi://' ) - l.sasl_interactive_bind_s('', ldap.sasl.external()) - - parser = LDIFCallback( module, open(target, 'r') - , partial(processEntry,module,l) ) - parser.parse() - l.unbind_s() - changed = parser.changed - elif mod is not None: - changed = loadModule(module, mod) - else: + if target is None and mod is None: module.fail_json(msg="missing target or module") + # bind only once per LDIF file for performance + l = ldap.initialize( 'ldapi://' ) + l.sasl_interactive_bind_s('', ldap.sasl.external()) + + if mod is None: + callback = partial(processEntry,module,l) + else: + changed |= loadModule (module, l, '%s.la' % mod) + if target is None and suffix is None: + l.unbind_s() + module.exit_json(changed=changed) + if target is None or suffix is None: + module.fail_json(msg="missing target or suffix") + r = getDN_DB(module, l, 'olcSuffix', suffix) + if not r: + module.fail_json(msg="No database found for suffix %s" % suffix) + elif len(r) > 1: + module.fail_json(msg="Multiple results found! This is a bug. Please report.") + else: + d = 'olcOverlay=%s,%s' % (mod, r.pop()[0]) + callback = lambda _,e: processEntry(module,l,d,e) + + parser = LDIFCallback( module, open(target, 'r'), callback ) + parser.parse() + changed = parser.changed + l.unbind_s() except subprocess.CalledProcessError, e: module.fail_json(rv=e.returncode, msg=e.output.rstrip()) -- cgit v1.2.3