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Last pushed: 4 days ago
Short Description
FreeIPA server in a container - repo deprecated, please use freeipa/freeipa-server instead.
Full Description

FreeIPA server in Docker

This repository contains the Dockerfile and associated assets for
building a FreeIPA server Docker image from the official yum repo.

Install docker 1.10+:

yum install -y docker

Start the service:

systemctl start docker

To build the image, run in the root of the repository:

docker build -t freeipa-server .

The repository contains multiple Dockerfiles for various
operating systems. Use -f option to docker build to pick
different than default target.

Create directory which will hold the server data:

mkdir /var/lib/ipa-data

On SELinux enabled systems,

setsebool -P container_manage_cgroup 1

might be needed to enable running systemd in the containers.

You then run the container with

docker run --name freeipa-server-container -ti \
   -h ipa.example.test \
   -v /sys/fs/cgroup:/sys/fs/cgroup:ro \
   --tmpfs /run --tmpfs /tmp \
   -v /var/lib/ipa-data:/data:Z freeipa-server [ opts ]

Standard ipa-server-install will be started and you can configure
the server. The docker run invocation also accepts command line
parameters that will be passed to ipa-server-install, so
unattended invocation is possible. Optionally, you can put into the
directory mounted into /data (/var/lib/ipa-data in this example) a file

ipa-server-install-options

with command line parameters to ipa-server-install command,
for example

--realm=EXAMPLE.TEST
--ds-password=The-directory-server-password
--admin-password=The-admin-password

and these options will also be used as parameters to ipa-server-install.

If you want to instruct the container to create a replica, specify the
command in the docker run parameters:

docker run --name freeipa-server-container -ti \
   -h ipa.example.test \
   -v /sys/fs/cgroup:/sys/fs/cgroup:ro \
   --tmpfs /run --tmpfs /tmp \
   -v /var/lib/ipa-data:/data:Z \
   freeipa-server ipa-replica-install [ opts ]

The options will be passed to ipa-replica-install in the container.
You can also put options to file

ipa-replica-install-options

in the directory mounted to /data to this directory, for example with

--password=The-directory-server-password
--admin-password=The-admin-password

If your setup is of Domain Level < 1, GPG-encrypted replica information
file is also needed in the directory mounted to /data.

If the above commands fail with error about invalid value for
flag -v and bad format for volumes, run

chcon -t svirt_sandbox_file_t /var/lib/ipa-data

or use semanage fcontext and restorecon, and use -v option
without the :Z part.

The option --name assigns the container a name that can be used
later with docker start, docker stop and other commands.
Command ipa-server-install is invoked non-interactively the first
time the container is run.

The -ti parameters are optional and are used for get a terminal,
for interactive configuration sessions.

The container can the be started and stopped:

docker stop freeipa-server-container
docker start -ai freeipa-server-container

If you want to use the FreeIPA server not just from the host
where it is running but from external machines as well, you
might want to use the -p options to make the services accessible
externally. You will then likely want to also specify the
IPA_SERVER_IP environment variable via the -e option to
define what IP address should the server put to DNS as its
address. Starting the server would then be

docker run -e IPA_SERVER_IP=10.12.0.98 -p 53:53/udp -p 53:53 \
    -p 80:80 -p 443:443 -p 389:389 -p 636:636 -p 88:88 -p 464:464 \
-p 88:88/udp -p 464:464/udp -p 123:123/udp -p 7389:7389 \
-p 9443:9443 -p 9444:9444 -p 9445:9445 ...

If you have existing container with data volume, it should be safe
to shut it down and run new one based on newer image, with the same
data directory bind-mounted to /data. The container will detect
that it is running with data produced by different image and attempt
to upgrade the configuration and data. Of course, keeping backup
of the data directory for cases when the upgrade process fails
is recommended.

Configuring and running with atomic

On platforms with atomic command available, the container can be
configured with

atomic install [ --name $THE_NAME ] freeipa-server \
[ keywords for docker operation ] \
[ ipa-server-install | ipa-replica-install ] \
[ opts ]

The keywords for docker operations are:

hostname $IPA_SERVER_HOSTNAME - docker run -h $IPA_SERVER_HOSTNAME
net-host - docker run --net=host, also uses host's hostname
publish - docker run -p 443:443 ... ; publish all ports of the IPA
          container on host's interfaces
cap-add $CAPABILITY - docker run --cap-add=$CAPABILITY

The container will use /var/lib/$THE_NAME to store the configuration
and data. It the gets started with

atomic run [ --name $THE_NAME ] freeipa-server

Version 1.12 of atomic is needed.

IPA-enrolled client in Docker

There are multiple *-client branches named after OS they are
based on. Check out the branch you prefer and in the root of the
repository, run:

docker build -t freeipa-client .

To run the client container, run it with correctly set DNS
and hostname in the IPA domain, or you can link it to the
freeipa-server container directly:

docker run --privileged --link freeipa-server-container:ipa \
    -e PASSWORD=Secret123 -ti freeipa-client

The first time this container runs, it invokes ipa-client-install
with the given admin password.

Debugging

The container scripts provide some options for debugging:

  • Enable shell script tracing in both the top-level init-data script
    and the ipa-server-configure-first script by setting the
    $DEBUG_TRACE environment variable.

  • Disable container exit after script failure by setting the
    $DEBUG_NO_EXIT environment variable. After failure, the
    container will continue running, and can be entered for debugging
    with e.g. docker exec -it freeipa-server-container bash.

Example usage:

docker run [...] -e DEBUG_TRACE=1 -e DEBUG_NO_EXIT=1 freeipa-server

Copyright 2014--2016 Jan Pazdziora

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

Docker Pull Command
Owner
adelton
Source Repository

Comments (3)
frankij
2 years ago

In case you want to run this container without DNS forwarders you have to set an environvent variable while starting the container:

FORWARDER=127.0.0.1

Otherwise one gets the error "ipa-server-install: error: You cannot specify a --forwarder option together with --no-forwarders"

wonko
2 years ago

I just did a docker pull and now my freeipa container is mad at me. :(

Starting Directory Service
Starting krb5kdc Service
Starting kadmin Service
Starting named Service
Starting ipa_memcached Service
Starting httpd Service
Starting ipa-otpd Service
Starting ipa-dnskeysyncd Service
kinit: Keytab contains no suitable keys for host/ruination.4amlunch.net@4AMLUNCH.NET while getting initial credentials
Can't exec "-/usr/bin/kdestroy": No such file or directory at /bin/systemctl line 341.
ipa: INFO: The ipactl command was successful
Stopping ipa-dnskeysyncd Service
Stopping ipa-otpd Service
Stopping httpd Service
Stopping ipa_memcached Service
Stopping named Service
Stopping kadmin Service
Stopping krb5kdc Service
Stopping Directory Service
No pid and no name for [ipa-dnskeysyncd.service].
No service definition found for [ipa-otpd.service].
No pidof for [/usr/sbin/ntpd] found in [ntpd.service.name].

anvileight
2 years ago

when I run

docker run -ti --name freeipa -h freeipa.local -e PASSWORD=Secret123 -v /home/freeipa:/data:Z -p 8080:80 adelton/freeipa-server

It fails on

[18/19]: restarting httpd
[error] CalledProcessError: Command ''/bin/systemctl' 'restart' 'httpd.service'' returned non-zero exit status 10
ipa.ipapython.install.cli.install_tool(Server): ERROR Command ''/bin/systemctl' 'restart' 'httpd.service'' returned non-zero exit status 10
FreeIPA server configuration failed.
No service definition found for [ipa-otpd.service].
Java virtual machine used: /usr/lib/jvm/jre/bin/java
classpath used: /usr/share/tomcat/bin/bootstrap.jar:/usr/share/tomcat/bin/tomcat-juli.jar:/usr/lib/java/commons-daemon.jar
main class used: org.apache.catalina.startup.Bootstrap
flags used:
options used: -Dcatalina.base=/usr/share/tomcat -Dcatalina.home=/usr/share/tomcat -Djava.endorsed.dirs= -Djava.io.tmpdir=/var/cache/tomcat/temp -Djava.util.logging.config.file=/usr/share/tomcat/conf/logging.properties -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
arguments used: stop