Thanks.
$ docker run -h another_docker -d -e "SATHOST=sat.com" -e "AK=BZ5125" jacobcallahan/content-host-d:latest
$ docker logs <container_name>
Adding satellite certificate sat.com/pub/katello-ca-consumer-latest.noarch.rpm
Retrieving sat.com/pub/katello-ca-consumer-latest.noarch.rpm
Preparing... ########################################
Updating / installing...
katello-ca-consumer-sat.com.########################################
Activation key BZ5125 found. Registering...
Validation failed: Name hostname can contain only lowercase letters, numbers, dashes and dots according to RFC921, RFC952 and RFC1123, Name hostname can contain only lowercase letters, numbers, dashes and dots according to RFC921, RFC952 and RFC1123
This system is not yet registered. Try 'subscription-manager register --help' for more information.
Loaded plugins: fastestmirror, ovl, product-id, search-disabled-repos,
: subscription-manager
This system is not registered with Subscription Management. You can use subscription-manager to register.
Repodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast
Existing lock /var/run/yum.pid: another copy is running as pid 55.
Another app is currently holding the yum lock; waiting for it to exit...
The other application is: yum
Memory : 35 M RSS (332 MB VSZ)
Started: Mon Oct 30 21:38:50 2017 - 00:20 ago
State : Sleeping, pid: 55
Another app is currently holding the yum lock; waiting for it to exit...
The other application is: yum
Memory : 35 M RSS (332 MB VSZ)
Started: Mon Oct 30 21:38:50 2017 - 00:22 ago
State : Sleeping, pid: 55
Another app is currently holding the yum lock; waiting for it to exit...
The other application is: yum
Memory : 35 M RSS (332 MB VSZ)
Started: Mon Oct 30 21:38:50 2017 - 00:24 ago
State : Sleeping, pid: 55
Another app is currently holding the yum lock; waiting for it to exit...
The other application is: yum
Memory : 35 M RSS (332 MB VSZ)
Started: Mon Oct 30 21:38:50 2017 - 00:26 ago
State : Sleeping, pid: 55
Another app is currently holding the yum lock; waiting for it to exit...
The other application is: yum
Memory : 35 M RSS (1.4 GB VSZ)
Started: Mon Oct 30 21:38:50 2017 - 00:28 ago
State : Sleeping, pid: 55
Another app is currently holding the yum lock; waiting for it to exit...
The other application is: yum
Memory : 35 M RSS (1.3 GB VSZ)
Started: Mon Oct 30 21:38:50 2017 - 00:30 ago
State : Sleeping, pid: 55
Another app is currently holding the yum lock; waiting for it to exit...
The other application is: yum
Memory : 35 M RSS (1.3 GB VSZ)
Started: Mon Oct 30 21:38:50 2017 - 00:33 ago
State : Uninterruptible, pid: 55
Cleaning repos: base extras updates
Cleaning up everything
Cleaning up list of fastest mirrors
Loaded plugins: fastestmirror, ovl, product-id, search-disabled-repos,
: subscription-manager
This system is not registered with Subscription Management. You can use subscription-manager to register.
Determining fastest mirrors
* base: linorg.usp.br
* extras: linorg.usp.br
* updates: ftp.unicamp.br
repo id repo name status
base/7/x86_64 CentOS-7 - Base 9591
extras/7/x86_64 CentOS-7 - Extras 280
updates/7/x86_64 CentOS-7 - Updates 1052
repolist: 10923
Loaded plugins: fastestmirror, ovl, product-id, search-disabled-repos,
: subscription-manager
This system is not registered with Subscription Management. You can use subscription-manager to register.
Loading mirror speeds from cached hostfile
* base: linorg.usp.br
* extras: linorg.usp.br
* updates: ftp.unicamp.br
No package katello-agent available.
Error: Nothing to do
Preparing host for remote execution
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 436 100 436 0 0 145 0 0:00:03 0:00:02 0:00:01 145
Starting goferd in foreground.
/tmp/startup.sh: line 51: goferd: command not found