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Re: cn=config and cn=monitor questions



Pierangelo Masarati wrote:
Well, monitor schema is schema like any other. Since slapd puts all of
its schema in there, it should be there:
tried command exactly as you stated - no objectclasses or attributetypes
for 'monitor' - did the same with + - can send full list if required - I
could not see any relevant schema - the original slapd.conf had includes
for core, cosine and inetorgperson only- but I'm on cn=config though I
can't see what difference that would make? Am I missing an include?

That schema is hardcoded in back-monitor code (it is registered run-time
when the monitor backend is initialized). If you don't see it, probably
you're not loading the back_monitor module or something like that.
I had a loadmodule back_monitor.la in slapd.conf it was converted to olcModuleLoad {1)monitor_back.la - tried changing from .la to .so for all overlays - no effect (OK I tried)
included relevant log extract below:
Feb 4 15:30:38 host1 slapd[84777]: @(#) $OpenLDAP: slapd 2.4.7 (Jan 25 2008 03:03:41) $ ron@host1.zytrax.com:/usr/ports/net/openldap24-server/work/openldap-2.4.7/servers/slapd
Feb 4 15:30:38 host1 slapd[84777]: => str2entry: "dn: cn=module{0} objectClass: olcModuleList cn: module{0} olcModuleLoad: {0}back_bdb.so olcModuleLoad: {1}back_monitor.so olcModuleLoad: {2}back_meta.so structuralObjectClass: olcModuleList entryUUID: 7d0c2126-6638-102c-8fa3-3be499f3820c creatorsName: cn=config createTimestamp: 20080203001245Z entryCSN: 20080203043824.585318Z#000000#000#000000 modifiersName: cn=admin,cn=config modifyTimestamp: 20080203043824Z "
......
Feb 4 15:30:38 host1 slapd[84777]: loaded module back_bdb.so
Feb 4 15:30:38 host1 slapd[84777]: bdb_back_initialize: initialize BDB backend
Feb 4 15:30:38 host1 slapd[84777]: bdb_back_initialize: Berkeley DB 4.6.19: (August 10, 2007)
Feb 4 15:30:38 host1 slapd[84777]: module back_bdb.so: null module registered
Feb 4 15:30:38 host1 slapd[84777]: loaded module back_monitor.so
Feb 4 15:30:38 host1 slapd[84777]: module back_monitor.so: null module registered
Feb 4 15:30:38 host1 slapd[84777]: loaded module back_meta.so
Feb 4 15:30:38 host1 slapd[84777]: module back_meta.so: null module registered
....
Feb 4 15:30:38 host1 slapd[84777]: => str2entry: "dn: olcDatabase={2}monitor objectClass: olcDatabaseConfig olcDatabase: {2}monitor olcLastMod: TRUE olcMaxDerefDepth: 15 olcReadOnly: FALSE olcRootDN: cn=admin,cn=monitor olcRootPW:: c2VjcmV0 structuralObjectClass: olcDatabaseConfig entryUUID: 7d236bd8-6638-102c-8fab-3be499f3820c creatorsName: cn=config createTimestamp: 20080203001245Z olcMonitoring: TRUE entryCSN: 20080203021339.946650Z#000000#000#000000 modifiersName: cn=admin,cn=config modifyTimestamp: 20080203021339Z "
Feb 4 15:30:38 host1 slapd[84777]: >>> dnPrettyNormal: <olcDatabase={2}monitor>
Feb 4 15:30:38 host1 slapd[84777]: <<< dnPrettyNormal: <olcDatabase={2}monitor>, <olcDatabase={2}monitor>
Feb 4 15:30:38 host1 slapd[84777]: >>> dnNormalize: <cn=config>
Feb 4 15:30:38 host1 slapd[84777]: <<< dnNormalize: <cn=config>
Feb 4 15:30:38 host1 slapd[84777]: >>> dnNormalize: <cn=admin,cn=config>
Feb 4 15:30:38 host1 slapd[84777]: <<< dnNormalize: <cn=admin,cn=config>
Feb 4 15:30:38 host1 slapd[84777]: <= str2entry(olcDatabase={2}monitor) -> 0x82e1054
Feb 4 15:30:38 host1 slapd[84777]: => test_filter
Feb 4 15:30:38 host1 slapd[84777]: PRESENT
Feb 4 15:30:38 host1 slapd[84777]: => access_allowed: search access to "olcDatabase={2}monitor,cn=config" "objectClass" requested
Feb 4 15:30:38 host1 slapd[84777]: <= root access granted
Feb 4 15:30:38 host1 slapd[84777]: => access_allowed: search access granted by manage(=mwrscxd)
Feb 4 15:30:38 host1 slapd[84777]: <= test_filter 6
Feb 4 15:30:38 host1 slapd[84777]: >>> dnPrettyNormal: <cn=admin,cn=monitor>
Feb 4 15:30:38 host1 slapd[84777]: <<< dnPrettyNormal: <cn=admin,cn=monitor>, <cn=admin,cn=monitor>
Feb 4 15:30:38 host1 slapd[84777]: >>> dnPrettyNormal: <cn=Monitor>
Feb 4 15:30:38 host1 slapd[84777]: <<< dnPrettyNormal: <cn=Monitor>, <cn=monitor>
Feb 4 15:30:38 host1 slapd[84777]: >>> dnPrettyNormal: <cn=admin,cn=monitor>
Feb 4 15:30:38 host1 slapd[84777]: <<< dnPrettyNormal: <cn=admin,cn=monitor>, <cn=admin,cn=monitor>
Feb 4 15:30:38 host1 slapd[84777]: send_ldap_result: conn=-1 op=0 p=0
Feb 4 15:30:38 host1 slapd[84777]: send_ldap_result: err=0 matched="" text=""
Feb 4 15:30:38 host1 slapd[84777]: matching_rule_use_init
.......
Feb 4 15:30:39 host1 slapd[84778]: slapd startup: initiated.
Feb 4 15:30:39 host1 slapd[84778]: backend_startup_one: starting "cn=config"
Feb 4 15:30:39 host1 slapd[84778]: config_back_db_open
Feb 4 15:30:39 host1 slapd[84778]: backend_startup_one: starting "dc=example,dc=com"
Feb 4 15:30:39 host1 slapd[84778]: bdb_db_open: "dc=example,dc=com"
Feb 4 15:30:39 host1 slapd[84778]: bdb_db_open: database "dc=example,dc=com": dbenv_open(/var/db/openldap/example-com).
Feb 4 15:30:39 host1 slapd[84778]: backend_startup_one: starting "cn=Monitor"
Feb 4 15:30:39 host1 slapd[84778]: >>> dnNormalize: <cn=Monitor>
Feb 4 15:30:39 host1 slapd[84778]: <<< dnNormalize: <cn=monitor>
...... 
p.



Ing. Pierangelo Masarati
OpenLDAP Core Team

SysNet s.r.l.
via Dossi, 8 - 27100 Pavia - ITALIA
http://www.sys-net.it
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Email:   pierangelo.masarati@sys-net.it
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