FBR: Fix krb5

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Hi all,

After a lot of debugging, it seems IPA 4.5.0 broke active/active
failover for krb5.
While I wait on getting that fixed, I would like to request +1s for
the following patch.


commit 4005fd5929c034436e21c56af0322d53cef04e74
Author: Patrick Uiterwijk <puiterwijk@xxxxxxxxxx>
Date:   Fri Sep 15 22:50:02 2017 +0000

    Fix krb5 with failover

    Seems like IPA 4.5.0 broke active/active failover of krb5 KDC.
    While we wait on getting that fixed, let's set us up for
active/passive failover on the HTTPD end.
    Since we can't do active/passive for UDP (there's no checks
there), let's just remove ipa02 for those.

    Signed-off-by: Patrick Uiterwijk <puiterwijk@xxxxxxxxxx>

diff --git a/roles/haproxy/templates/haproxy.cfg
b/roles/haproxy/templates/haproxy.cfg
index be1e5b5..cda10ab 100644
--- a/roles/haproxy/templates/haproxy.cfg
+++ b/roles/haproxy/templates/haproxy.cfg
@@ -340,7 +340,7 @@ listen  ipa 0.0.0.0:10053
     balance hdr(appserver)
     server  ipa01 ipa01:443 check inter 10s rise 1 fall 2 ssl verify
required ca-file /etc/haproxy/ipa.pem
 {% if env != "staging" %}
-    server  ipa02 ipa02:443 check inter 10s rise 1 fall 2 ssl verify
required ca-file /etc/haproxy/ipa.pem
+    server  ipa02 ipa02:443 check inter 10s rise 1 fall 2 ssl verify
required ca-file /etc/haproxy/ipa.pem backup
 {% endif %}
     option  httpchk GET /ipa/ui/

@@ -354,7 +354,7 @@ listen krb5 0.0.0.0:1088
     timeout connect 86400000
     server  ipa01 ipa01:88 weight 1 maxconn 16384
 {% if env == "production" %}
-    server  ipa02 ipa02:88 weight 1 maxconn 16384
+    # server  ipa02 ipa02:88 weight 1 maxconn 16384
 {% endif %}

 listen docker-candidate-registry 0.0.0.0:10054
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