On 08/17/2018 12:59 PM, Jokinen Eemeli via FreeIPA-users wrote:
Hi!

Yes, seems like there was "security: off" but that doesn't seem to do it, I 
think I have ended up in the situation that I need to recreate some certificates, because:

I check the renewal dates.

--
getcert list |grep expires:
         expires: 2018-03-21 09:42:04 UTC
         expires: 2036-03-31 08:42:02 UTC
         expires: 2018-03-21 09:42:29 UTC
         expires: 2018-06-27 07:01:38 UTC
         expires: 2020-08-17 10:17:32 UTC
         expires: 2020-06-28 05:49:50 UTC
--

I timejump to "before oldest expired" = 2018-03-20. Dirsrv seems to start ok. 
Certmonger restarts ok.

Httpd does not start. Error from /etc/httpd/logs/error_log:

--
[Tue Mar 20 07:44:39.500363 2018] [:warn] [pid 11961] NSSSessionCacheTimeout is 
deprecated. Ignoring.
[Tue Mar 20 07:44:39.688595 2018] [:error] [pid 11961] SSL Library Error: -8181 
Certificate has expired
[Tue Mar 20 07:44:39.688637 2018] [:error] [pid 11961] Unable to verify certificate 
'Server-Cert'. Add "NSSEnforceValidCerts off" to nss.conf so the server can 
start until the problem can be resolved.
--

Seems like httpd has managed to renew some certificates at some point:

--
certutil -L -d /etc/httpd/alias/ -n Server-Cert |grep Not
             Not Before: Thu Jun 28 05:49:50 2018
             Not After : Sun Jun 28 05:49:50 2020
--

Should I remove httpd certificate to be able to start httpd in "before 21-03-2018? I 
can't seem to be able to renew these 2 (ipaCert, ocspSigningCert) without httpd because if I 
try to resubmit them I get "CA_Unreachable"?

You can temporarily allow httpd to start even with expired/not yet valid certificates: edit /etc/httpd/conf.d/nss.conf and set the NSSEnforceValidCerts parameter to off, then restart httpd. (Do not forget to revert the setting when you have fixed everything). See [1] for more information.

HTH,
flo

[1] https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/linux_domain_identity_authentication_and_policy_guide/expired-certs


Eemeli

-----Original Message-----
From: Florence Blanc-Renaud [mailto:[email protected]]
Sent: torstai 16. elokuuta 2018 21.54
To: FreeIPA users list <[email protected]>; Rob Crittenden 
<[email protected]>
Cc: Jokinen Eemeli <[email protected]>
Subject: Re: [Freeipa-users] Re: Problems after IPA upgrade: ipa-server-upgrade 
doesn't complete, pki-tomcatd won't start

On 08/15/2018 01:20 PM, Jokinen Eemeli via FreeIPA-users wrote:
Hi!

Anybody can help me with this one?

Summary:

2 node freeipa server cluster, node 2 was initially down for other reasons and  
node 1 (renewal master) had forgot to update own certificates which resulted 
faulty cluster. With help from mailing list we got the node 1 back online and 
it's working great! Now I'm trying to get node2 back to working order in 
cluster but it won't update the certificates even when trying the timejump. 
Seems like it tries to renew certificates locally although somehow I tought 
that it should renew the certificates from node 1...?

Hi,

you probably have a combination of multiple issues on your second node.

The ipa-server-upgrade failure may leave your instance in a wrong state, where 
dse.ldif has disabled the ports for 389-ds (see BZ
https://bugzilla.redhat.com/show_bug.cgi?id=1569011 or pagure ticket 
https://pagure.io/freeipa/issue/7534).
During the upgrade, dse.ldif is edited in order to temporarily disable the LDAP 
ports (to prevent ldap modifications during the upgrade).
Sometimes, if the upgrade fails, dse.ldif is not restored and the ports remain 
disabled. You will have to stop the ldap server, manually edit dse.ldif (in 
/etc/dirsrv/slapd-DOMxxx) and set:
nsslapd-port: 389
nsslapd-security: on

then restart the LDAP server.

For the cert renewal, your procedure is the valid one. The kerberos error is 
probably linked to 389-ds not being accessible.

HTH,
flo

Eemeli

-----Original Message-----
From: Jokinen Eemeli
Sent: keskiviikko 4. heinäkuuta 2018 16.08
To: 'Rob Crittenden' <[email protected]>; FreeIPA users list
<[email protected]>; Florence Blanc-Renaud
<[email protected]>
Subject: RE: [Freeipa-users] Re: Problems after IPA upgrade:
ipa-server-upgrade doesn't complete, pki-tomcatd won't start

Hi!

I reply to this since there's some data in this message queue already related 
to my problem:

I had 2 ipa node cluster, where the second node had been offline for some time 
and at some point we had an error while trying to reboot node1 which was a 
Renewal Master. The issue was that some certs had expired and after a bit of 
special work we got the node1 back on track. I can spot three problems and I 
can't (again) figure out which one is the cause and which one I should repair 
first.

Now I got assigned the case to get the node2 back on track also. It had some certificates expired 
(obviously) so I did a small time jump and some of the certs were renewed. However not all of them 
were upgraded. "getcert list" reports 3 certs "CA Unreachable", other 3 certs 
seem fine.

--
getcert list |grep -A 10 "CA_UNREACH"
          status: CA_UNREACHABLE
          ca-error: Internal error
          stuck: no
          key pair storage: 
type=NSSDB,location='/etc/pki/pki-tomcat/alias',nickname='ocspSigningCert 
cert-pki-ca',token='NSS Certificate DB',pin set
          certificate: 
type=NSSDB,location='/etc/pki/pki-tomcat/alias',nickname='ocspSigningCert 
cert-pki-ca',token='NSS Certificate DB'
          CA: dogtag-ipa-ca-renew-agent
          issuer: CN=Certificate Authority,O=<<REALM>>
          subject: CN=OCSP Subsystem,O=<<REALM>>
          expires: 2018-03-21 09:42:04 UTC
          key usage: digitalSignature,nonRepudiation,keyCertSign,cRLSign
          eku: id-kp-OCSPSigning
--
          status: CA_UNREACHABLE
          ca-error: Internal error
          stuck: no
          key pair storage: 
type=NSSDB,location='/etc/httpd/alias',nickname='ipaCert',token='NSS 
Certificate DB',pinfile='/etc/httpd/alias/pwdfile.txt'
          certificate: 
type=NSSDB,location='/etc/httpd/alias',nickname='ipaCert',token='NSS 
Certificate DB'
          CA: dogtag-ipa-ca-renew-agent
          issuer: CN=Certificate Authority,O=<<REALM>>
          subject: CN=IPA RA,O=<<REALM>>
          expires: 2018-03-21 09:42:29 UTC
          key usage: 
digitalSignature,nonRepudiation,keyEncipherment,dataEncipherment
          eku: id-kp-serverAuth,id-kp-clientAuth
--
          status: CA_UNREACHABLE
          ca-error: Error 7 connecting to 
http://<<ipa2.fqdn>>:8080/ca/ee/ca/profileSubmit: Couldn't connect to server.
          stuck: no
          key pair storage: 
type=NSSDB,location='/etc/pki/pki-tomcat/alias',nickname='Server-Cert 
cert-pki-ca',token='NSS Certificate DB',pin set
          certificate: 
type=NSSDB,location='/etc/pki/pki-tomcat/alias',nickname='Server-Cert 
cert-pki-ca',token='NSS Certificate DB'
          CA: dogtag-ipa-renew-agent
          issuer: CN=Certificate Authority,O=<<REALM>>
          subject: CN=<<ipa2.fqdn>>,O=<<REALM>>
          expires: 2018-06-27 07:01:38 UTC
          key usage: 
digitalSignature,nonRepudiation,keyEncipherment,dataEncipherment
          eku: id-kp-serverAuth,id-kp-clientAuth,id-kp-emailProtection
--

Seems like "Server-Cert cert-pki-ca" is trying to renew on itself (node2) but 
shouldn't node1 be the renewal master? Restarting httpd, certmonger and pki-tomcat don't 
seem to help, time traveling helped on other certs but not on these.

Directory service seems to work if I start it manually but ipa-server-upgrade fails on 
directory server not starting with "No ports specified" so something wrong with 
it or is it the certificates?
--
ipa-server-upgrade
Upgrading IPA:. Estimated time: 1 minute 30 seconds
    [1/10]: stopping directory server
    [2/10]: saving configuration
    [3/10]: disabling listeners
    [4/10]: enabling DS global lock
    [5/10]: starting directory server

--
<<ipa2.fqdn>> ns-slapd[24503]: [04/Jul/2018:13:43:48.829927675 +0300] - EMERG - 
main - Fatal Error---No ports specified. Exiting now.
--

Also certmonger has issues:
--
dogtag-ipa-ca-renew-agent-submit[1892]: Traceback (most recent call last):
                                                                                           File 
"/usr/libexec/certmonger/dogtag-ipa-ca-renew-agent-submit", line 541, in 
<module>
                                                                                
             sys.exit(main())
                                                                                          
 File "/usr/libexec/certmonger/dogtag-ipa-ca-renew-agent-submit", line 515, in 
main
                                                                                
             kinit_keytab(principal, paths.KRB5_KEYTAB, ccache_filename)
                                                                                          
 File "/usr/lib/python2.7/site-packages/ipalib/install/kinit.py", line 43, in 
kinit_keytab
                                                                                
             cred = gssapi.Credentials(name=name, store=store, usage='initiate')
                                                                                          
 File "/usr/lib64/python2.7/site-packages/gssapi/creds.py", line 64, in __new__
                                                                                
             store=store)
                                                                                          
 File "/usr/lib64/python2.7/site-packages/gssapi/creds.py", line 148, in acquire
                                                                                
             usage)
                                                                                          
 File "ext_cred_store.pyx", line 182, in 
gssapi.raw.ext_cred_store.acquire_cred_from (gssapi/raw/ext_cred_store.c:1732)
                                                                                         
GSSError: Major (851968): Unspecified GSS failure.  Minor code may provide more 
information, Minor (2529639068): Cannot contact any KDC for realm '<<REALM>>'
--

but KDCs should be able to be resolved even from ipa node2
--
nslookup -type=srv _kerberos._tcp.<<REALM>>
Server:         <<ipa1.ip>>
Address:        <<ipa1.ip>>#53

_kerberos._tcp.<<REALM>>       service = 0 100 88 <<ipa1.fqdn>>.
_kerberos._tcp.<<REALM>>       service = 0 100 88 <<ipa2.fqdn>>.
--

For testing purposes I turned off firewall on ipa node1


Eemeli

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