Red Hat Satellite 6 fails to auto suggest IP address from DHCP range

Solution Verified - Updated -

Environment

  • Red Hat Satellite 6.1

Issue

  • After performing steps as per provisioning guide Red Hat Satellite 6 is acting as a DHCP/PXE/TFTP server to do kickstart.
    However, on the New Host page, Suggest New IP doesn't work.
    Also trying to add IP address manually fails with following error:

    ERF12-4395 [ProxyAPI::ProxyException]: Unable to retrieve DHCP entry for 00:50:56:xx:xx:xx ([RestClient::BadRequest]: 400 Bad Request) for proxy https://satellite.example.com:9090/dhcp

Resolution

  • As a workaround add foreman-proxy user to dhcpd group on Red Hat Satellite 6 server.

    # usermod -a -G dhcpd foreman-proxy

For more KB articles/solutions related to Red Hat Satellite 6.x Provisioning Issues, please refer to the Consolidated Troubleshooting Article for Red Hat Satellite 6.x Provisioning related Issues

Root Cause

  • This issue is being tracked in bugzila 1263099.

Diagnostic Steps

  • Red Hat Satellite 6 is acting as a DHCP/PXE/TFTP server to do kickstart. Trying to provision a system on VMWare. However, on the "New Host" page, Suggest New IP doesn't work.
  1. Login to the Satellite UI.
  2. Click on Hosts --> New host --> Fill in the information for (Host, Puppet Classes, Network) tabs.
  3. In network tab IP address is not getting auto suggested.

  • When creating New Hosts, and clicking on suggest auto IP following error of permission denied is been logged.

    [root@sat ~]# tailf /var/log/foreman-proxy/proxy.log
E, [2015-09-04T15:19:19.255164 #1881] ERROR -- : Permission denied - /var/lib/dhcpd/dhcpd.leases
10.xxx.xxx.xx - - [04/Sep/2015 15:19:19] "GET /dhcp/10.xxx.xxx.xx/unused_ip?from=10.xxx.xxx.xx&to=10.xxx.xxx.xx HTTP/1.1" 400 47 0.0024
E, [2015-09-04T15:19:46.361282 #1881] ERROR -- : Permission denied - /var/lib/dhcpd/dhcpd.leases
10.xxx.xxx.xx - - [04/Sep/2015 15:19:46] "GET /dhcp/10.xxx.xxx.xx/unused_ip?from=10.xxx.xxx.xx&to=10.xxx.xxx.xx HTTP/1.1" 400 47 0.0026
E, [2015-09-04T15:20:24.781540 #1881] ERROR -- : Permission denied - /var/lib/dhcpd/dhcpd.leases
10.xxx.xxx.xx - - [04/Sep/2015 15:20:24] "GET /dhcp/10.xxx.xxx.xx/unused_ip?from=10.xxx.xxx.xx&to=10.xxx.xxx.xx HTTP/1.1" 400 47 0.0046
E, [2015-09-04T15:20:28.862265 #1881] ERROR -- : Permission denied - /var/lib/dhcpd/dhcpd.leases
10.xxx.xxx.xx - - [04/Sep/2015 15:20:28] "GET /dhcp/10.xxx.xxx.xx/unused_ip?from=10.xxx.xxx.xx&to=10.xxx.xxx.xx HTTP/1.1" 400 47 0.0024
E, [2015-09-04T15:21:29.718177 #1881] ERROR -- : Permission denied - /var/lib/dhcpd/dhcpd.leases
10.xxx.xxx.xx - - [04/Sep/2015 15:21:29] "GET /dhcp/10.xxx.xxx.xx/unused_ip?from=10.xxx.xxx.xx&to=10.xxx.xxx.xx HTTP/1.1" 400 47 0.0026

  • Permission of /var/lib/dhcpd/dhcpd.leases is set to 640, where as in working Red Hat Satellite 6 server it is 644. When we try to change that, upon restarting the service the permission gets back to 640 again.

    [root@sat ~]# ls -lZ /var/lib/dhcpd/dhcpd.leases
-rw-r-----. dhcpd dhcpd unconfined_u:object_r:dhcpd_state_t:s0 /var/lib/dhcpd/dhcpd.leases
[root@sat ~]# chmod 644 /var/lib/dhcpd/dhcpd.leases
[root@sat ~]# ls -lZ /var/lib/dhcpd/dhcpd.leases
-rw-r--r--. dhcpd dhcpd unconfined_u:object_r:dhcpd_state_t:s0 /var/lib/dhcpd/dhcpd.leases
[root@sat ~]#   service dhcpd restart
Shutting down dhcpd:                                       [  OK  ]
Starting dhcpd:                                            [  OK  ]
[root@sat ~]# ls -lZ /var/lib/dhcpd/dhcpd.leases
-rw-r-----. dhcpd dhcpd unconfined_u:object_r:dhcpd_state_t:s0 /var/lib/dhcpd/dhcpd.leases

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