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Project Description
Ansible Configuration Management Database


Ansible-cmdb takes the output of Ansible's fact gathering and converts it into
a static HTML overview page containing system configuration information.

It supports multiple templates and extending information gathered by Ansible
with custom data.


[HTML example]( output.


Get the package for your distribution from the [Releases page](

For **Debian / Ubuntu** systems:

sudo dpkg -i ansible-cmdb*.deb

For **Redhat / Centos** systems:

sudo yum install ansible-cmdb*.rpm

For **Other** systems:

tar -vxzf ansible-cmdb*.tar.gz
cd ansible-cmdb*
sudo make install


### Basic

First, generate Ansible output for your hosts:

mkdir out
ansible -m setup --tree out/ all

Next, call ansible-cmdb on the resulting `out/` directory to generate the CMDB
overview page:

ansible-cmdb out/ > overview.html

The default template is `html_fancy`, which uses Jquery.

### Full usage

Usage: ansible-cmdb [option] <dir> > output.html

--version show program's version number and exit
-h, --help show this help message and exit
-t TEMPLATE, --template=TEMPLATE
Template to use. Default is 'html_fancy'
Inventory to read extra info from
-f, --fact-cache <dir> contains fact-cache files
-p PARAMS, --params=PARAMS
Params to send to template
-d, --debug Show debug output

### Inventory scanning

Ansible-cmdb can read your inventory file (`hosts`, by default), inventory
directory or dynamic inventory and extract useful information from it such as:

- All the groups a host belongs to.
- Host variables. These are optional key/value pairs for each host which can be
used in playbooks. They are scanned by ansible-cmdb and get added to a hosts
discovered facts under the 'hostvars' section.

Reading the inventory is done using the `-i` switch to ansible-cmdb. It takes
a single parameter: your hosts file, directory containing your hosts files or
path to your dynamic inventory script.

For example:

$ ansible-cmdb -i ./hosts out/ > overview.html

If a `host_vars` dir exists at that location, it will also be read.

The ''html_fancy'' template uses four extra fields:

- `groups`: A list of Ansible groups the host belongs too
- `dtap`: Whether a host is a development, test, acceptance or production
- `comment`: A comment for the host.
- `ext_id`: An external unique identifier for the host.

For example, lets say we have the following `hosts` file:

[cust.megacorp] dtap=dev comment="Old database server" dtap=dev comment="New database server" dtap=test dtap=acc comment="24/7 support" dtap=prod comment="Hosting by Foo" ext_id="SRV_10029"



The host `` will have groups 'cust.megacorp' and 'os.redhat',
will have a comment saying it has 24/7 support and will be marked as a `acc`
server. host will have an external ID of "SRV_10029", which will
be required by for communicating with Foo company about hosting.

See for more
information on host variables.

Any variables set for your hosts will become available in the html_fancy
template under the "Custom variables" heading.

### Templates

ansible-cmdb offers multiple templates. You can choose your template with the
`-t` or `--template` argument:

ansible-cmdb -t tpl_custom out/ > overview.html

The 'html_fancy' template is the default.

Ansible-cmdb currently provides the following templates out of the box:

* `html_fancy`: A fancy HTML page that uses JQuery and DataTables to give you a
searchable, sortable table overview of all hosts with detailed information
just a click away.

It takes a parameter `local_js` which, if set, will load resources from the
local disk instead of over the network. To enable it, call ansible-cmdb with:

ansible-cmdb -t html_fancy -p local_js=1 out > overview.html

It can be easily extended by copying it and modifying the `cols` definition
at the top.

* `txt_table`: A quick text table summary of the available hosts with some
minimal information.

You can create your own template or extend an existing one by copying it and
refering to the full path to the template when using the `-t` option:

$ ansible-cmdb -t /home/fboender/my_template out/ > my_template.html

### Fact caching

Ansible can cache facts from hosts when running playbooks. This is configured

fact_caching_connection = /path/to/facts/dir

You can use these cached facts as facts directories with ansible-cmdb by
specifying the `-f` (`--fact-cache`) option:

$ ansible-cmdb -f /path/to/facts/dir > overview.html

Please note that the `--fact-cache` option will apply to *all* fact directories
you specify. This means you can't mix fact-cache fact directories and normal
`setup` fact directories. Also, if you wish to manually extend facts (see the
`Extending` chapter), you must ommit the `ansible_facts` key and put items in
the root of the JSON.

### Extending

You can specify multiple directories that need to be scanned for output. This
lets you add more custom information to existing hosts or even completely new

For example, if your normal ansible `setup` output contains:

$ ls out/

$ cat out/
"ansible_facts": {
"ansible_all_ipv4_addresses": [

You can create an additional directory with custom information:

$ mkdir out_cust
$ cat out_cust/
"software": [

Specify both directories when generating the output:

./ansible-cmdb out/ out_cust/ > overview.html

Your custom variables will be put in the root of the host information

"": {
"ansible_facts": {
"ansible_all_ipv4_addresses": [""],
"changed": false,
"groups": ["cust.flusso"],
"software": [
"name": ""

If you're using the `--fact-cache` option, you must ommit the `ansible_facts`
key and put items in the root of the JSON. This also means that you can only
extend native ansible facts and not information read from the `hosts` file by

Infrequently Asked Questions

### Solaris machines have no disk information

Ansible currently does not include disk size information for Solaris hosts. As
such, we can't include it in the output of Ansible-cmdb. See issue #24 for more


### Running from the git repo

If you want to run ansible-cmdb directly from the Git repo:

$ cd ansible-cmdb
$ export PYTHONPATH="$(readlink -f lib)"
$ src/ansible-cmdb

### Inner workings

Here's a quick introducton on how ansible-cmdb works internally.

1. The main section in `ansible-cmdb` reads the commandline params and
instantiates an `Ansible` object.
1. The `Ansible` object first reads in all the facts by calling
`Ansible.parse_fact_dir()` for each argument. This includes the user-extended
1. If hosts file(s) should be parsed (`-i` option), ansible calls
`Ansible.parse_hosts_inventory()`. This first reads in all found hosts files
into one big string, and then it parses it. For this it uses the
`AnsibleHostParser` class.
1. The `AnsibleHostParser` class first parses the inventory and then creates a
dictionary with all known ansible node names (hosts) as the keys, but with
empty values. It then goes through the 'children', 'vars' and normal
sections from the inventory and applies the found information to the hosts
1. When `AnsibleHostParser` is done, the `Ansible` class takes all the parsed
hosts information and updates its own version of the hosts dictionary.
1. Finally, the output is generated by the main section.

Updating a host in the `Ansible` object is done using the `Ansible.update_host`
method. This method does a deep-update of a dictionary. This lets ansible-cmdb
overlay information from the facts dir, extended / manual facts and hosts
inventory files.

### Make targets

For building, `make` is used. Here are some useful targets:

* `make test`: build some tests.
* `make release`: build a release.
* `make clean`: remove build and other artifacts.

### Build packages and source-ball

To build Debian, RedHat and source-packages for ansible-cmdb you'll need a
Debian based operating system and you'll have to install the following

- git
- make
- python-markdown
- zip
- fakeroot
- alien

You can then build the packages with


where `$VERSION` is a (arbitrary) version number.

In order to build releases, your repository will have to be completely clean:
everything must be commited and there must be no untracked files. If you want
to build a test release, you can temporary stash your untracked changes:

git stash -u

### Contributions

If you wish to contribute code, please consider the following:

* Thank you for even considering contributing. I'm quite newby-friendly, so
don't hesitate to ask any help!
* Code should be reasonably PEP8-like. I'm not too strict on this.
* One logical change per merge request.
* By putting in a merge request or putting code in comments, you autoamtically
grant me permission to include this code in ansible-cmdb under the license
(MIT) that ansible-cmdb uses.
* Please don't be disappointed or angry if your contributions end up unused.
It's not that they aren't appreciated, but I can be somewhat strict when it
comes to code quality, feature-creep, etc.

When in doubt, just open a pull-request and post a comment on what you're
unclear of, and we'll figure it out.
Release History

Release History


This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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