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ansible-freeipa/roles/ipaserver/README.md
Thomas Woerner 45d8008033 ipaserver: Add support for external signed CA 
This adds support for the --external-ca option to ipaserver. Lots of
additional tests and checks from ServerInstallInterface.__init__ have
been added to ipaserver_test. Also duplicate tests cna checks have been
removed.

Installer settings in ansible_ipa_server module_util are now also set
to the defaults that are used in Installable, ServerInstallInterface,
ServerMasterInstall, ADTrustInstallInterface and Uninstall.

The /root/ipa.csr file generated on the node in ca.install_step_0 will
be copied to the controller as "{{ inventory_hostname }}-ipa.csr".

The new task file copy_external_cert.yml has been added to copy the
generated certificate defined in ipaserver_external_cert_files to the node
to continue with ca.install_step_1.

The tasks/install.yml file has been adapted to make sure that the steps
that will be done in step two will be skipped after step one has been
done.
2019-06-27 12:06:56 +02:00

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ipaserver role
==============
Description
-----------
This role allows to configure and IPA server.
**Note**: The ansible playbooks and role require a configured ansible environment where the ansible nodes are reachable and are properly set up to have an IP address and a working package manager.
Features
--------
* Server deployment
Supported FreeIPA Versions
--------------------------
FreeIPA versions 4.5 and up are supported by the server role.
Supported Distributions
-----------------------
* RHEL/CentOS 7.6+
* Fedora 26+
* Ubuntu
Requirements
------------
**Controller**
* Ansible version: 2.8+
**Node**
* Supported FreeIPA version (see above)
* Supported distribution (needed for package installation only, see above)
Limitations
-----------
External signed CA
External signed CA is now supported. But the currently needed two step process is an issue for the processing in a simple playbook.
Work is planned to have a new method to handle CSR for external signed CAs in a separate step before starting the server installation.
Usage
=====
Example inventory file with fixed domain and realm, setting up of the DNS server and using forwarders from /etc/resolv.conf:
[ipaserver]
ipaserver2.example.com
[ipaserver:vars]
ipaserver_domain=example.com
ipaserver_realm=EXAMPLE.COM
ipaserver_setup_dns=yes
ipaserver_auto_forwarders=yes
Example playbook to setup the IPA server using admin and dirman passwords from an [Ansible Vault](http://docs.ansible.com/ansible/latest/playbooks_vault.html) file:
- name: Playbook to configure IPA server
hosts: ipaserver
become: true
vars_files:
- playbook_sensitive_data.yml
roles:
- role: ipaserver
state: present
Example playbook to unconfigure the IPA client(s) using principal and password from inventory file:
- name: Playbook to unconfigure IPA server
hosts: ipaserver
become: true
roles:
- role: ipaserver
state: absent
Example inventory file with fixed domain, realm, admin and dirman passwords:
[ipaserver]
ipaserver.example.com
[ipaserver:vars]
ipaserver_domain=example.com
ipaserver_realm=EXAMPLE.COM
ipaadmin_password=MySecretPassword123
ipadm_password=MySecretPassword234
Example playbook to setup the IPA server using admin and dirman passwords from inventory file:
- name: Playbook to configure IPA server
hosts: ipaserver
become: true
roles:
- role: ipaserver
state: present
Example playbook to setup the IPA primary with external signed CA using the previous inventory file:
Server installation step 1: Generate CSR, copy to controller as `<ipaserver hostname>-ipa.csr`
```yaml
---
- name: Playbook to configure IPA server step1
hosts: ipaserver
become: true
vars:
ipaserver_external_ca: yes
roles:
- role: ipaserver
state: present
post_tasks:
- name: Copy CSR /root/ipa.csr from node to "{{ groups.ipaserver[0] + '-ipa.csr' }}"
fetch:
src: /root/ipa.csr
dest: "{{ groups.ipaserver[0] + '-ipa.csr' }}"
flat: yes
```
Sign with CA: This is up to you
Server installatin step 2: Copy `<ipaserver hostname>-chain.crt` to the IPA server and continue with installation of the primary.
```yaml
- name: Playbook to configure IPA server step3
hosts: ipaserver
become: true
vars:
ipaserver_external_cert_files: "/root/chain.crt"
pre_tasks:
- name: Copy "{{ groups.ipaserver[0] + '-chain.crt' }}" to /root/chain.crt on node
copy:
src: "{{ groups.ipaserver[0] + '-chain.crt' }}"
dest: "/root/chain.crt"
force: yes
roles:
- role: ipaserver
state: present
```
The files can also be copied automatically: Set `ipaserver_copy_csr_to_controller` to true in the server installation step 1 and set `ipaserver_external_cert_files_from_controller` to point to the `chain.crt` file in the server installatin step 2.
Playbooks
=========
The playbooks needed to deploy or undeploy a server are part of the repository in the playbooks folder. There are also playbooks to deploy and undeploy clusters.
```
install-server.yml
uninstall-server.yml
```
Please remember to link or copy the playbooks to the base directory of ansible-freeipa if you want to use the roles within the source archive.
How to setup a server
---------------------
```bash
ansible-playbook -v -i inventory/hosts install-server.yml
```
This will deploy the server defined in the inventory file.
Variables
=========
Base Variables
--------------
Variable | Description | Required
-------- | ----------- | --------
`ipaserver` | This group with the single IPA server full qualified hostname. (list of strings) | yes
`ipadm_password` | The password for the Directory Manager. (string) | no
`ipaadmin_password` | The password for the IPA admin user (string) | no
`ipaserver_ip_addresses` | The list of master server IP addresses. (list of strings) | no
`ipaserver_domain` | The primary DNS domain of an existing IPA deployment. (string) | no
`ipaserver_realm` | The Kerberos realm of an existing IPA deployment. (string) | no
`ipaserver_hostname` | Fully qualified name of the server. (string) | no
`ipaserver_no_host_dns` | Do not use DNS for hostname lookup during installation. (bool, default: false) | no
Server Variables
----------------
Variable | Description | Required
-------- | ----------- | --------
`ipaserver_setup_adtrust` | Configure AD Trust capability. (bool, default: false) | no
`ipaserver_setup_kra` | Install and configure a KRA on this server. (bool, default: false) | no
`ipaserver_setup_dns` | Configure an integrated DNS server, create DNS zone specified by domain. (bool, default: false) | no
`ipaserver_idstart` | The starting user and group id number. (integer, default: random) | no
`ipaserver_idmax` | The maximum user and group id number. (integer, default: idstart+199999) | no
`ipaserver_no_hbac_allow` | Do not install allow_all HBAC rule. (bool) | no
`ipaserver_no_ui_redirect` | Do not automatically redirect to the Web UI. (bool) | no
`ipaserver_dirsrv_config_file` | The path to LDIF file that will be used to modify configuration of dse.ldif during installation. (string) | no
`ipaserver_pki_config_override` | Path to ini file with config overrides. This is only usable with recent FreeIPA versions. (string) | no
SSL certificate Variables
-------------------------
Variable | Description | Required
-------- | ----------- | --------
`ipaserver_dirsrv_cert_files` | Files containing the Directory Server SSL certificate and private keys. (list of strings) | no
`ipaserver_http_cert_file` | File containing the Apache Server SSL certificate and private key. (string) | no
`ipaserver_pkinit_cert_file` | File containing the Kerberos KDC SSL certificate and private key. (string) | no
`ipaserver_dirsrv_pin` | The password to unlock the Directory Server private key. (string) | no
`ipaserver_http_pin` | The password to unlock the Apache Server private key. (string) | no
`ipaserver_pkinit_pin` | The password to unlock the Kerberos KDC private key. (string) | no
`ipaserver_dirsrv_cert_name` | Name of the Directory Server SSL certificate to install. (string) | no
`ipaserver_http_cert_name` | Name of the Apache Server SSL certificate to install. (string) | no
`ipaserver_pkinit_cert_name` | Name of the Kerberos KDC SSL certificate to install. (string) | no
Client Variables
----------------
Variable | Description | Required
-------- | ----------- | --------
`ipaclient_ntp_servers` | The list defines the NTP servers to be used. | no
`ipaclient_ntp_pool` | The string value defines the ntp server pool to be used. | no
`ipaclient_no_ntp` | The bool value defines if NTP will not be configured and enabled. `ipaclient_no_ntp` defaults to `no`. | no
`ipaclient_ssh_trust_dns` | The bool value defines if OpenSSH client will be configured to trust DNS SSHFP records. `ipaclient_ssh_trust_dns` defaults to `no`. | no
`ipaclient_no_ssh` | The bool value defines if OpenSSH client will be configured. `ipaclient_no_ssh` defaults to `no`. | no
`ipaclient_no_sshd` | The bool value defines if OpenSSH server will be configured. `ipaclient_no_sshd` defaults to `no`. | no
`ipaclient_no_sudo` | The bool value defines if SSSD will be configured as a data source for sudo. `ipaclient_no_sudo` defaults to `no`. | no
`ipaclient_no_dns_sshfp` | The bool value defines if DNS SSHFP records will not be created automatically. `ipaclient_no_dns_sshfp` defaults to `no`. | no
Certificate system Variables
----------------------------
Variable | Description | Required
-------- | ----------- | --------
`ipaserver_external_ca` | Generate a CSR for the IPA CA certificate to be signed by an external CA. (bool, default: false) | no
`ipaserver_external_ca_type` | Type of the external CA. (choice: generic,ms-cs) | no
`ipaserver_external_ca_profile` | Specify the certificate profile/template to use at the external CA. (string) | no
`ipaserver_external_cert_files` | Files containing the IPA CA certificates and the external CA certificate chains (list of string) | no
`ipaserver_subject_base` | The certificate subject base (default O=<realm-name>). RDNs are in LDAP order (most specific RDN first). (string) | no
`ipaserver_ca_subject` | The CA certificate subject DN (default CN=Certificate Authority,O=<realm-name>). RDNs are in LDAP order (most specific RDN first). (string) | no
`ipaserver_ca_signing_algorithm` | Signing algorithm of the IPA CA certificate. (choice: SHA1withRSA,SHA256withRSA,SHA512withRSA) | no
DNS Variables
-------------
Variable | Description | Required
-------- | ----------- | --------
`ipaserver_allow_zone_overlap` | Allow creation of (reverse) zone even if the zone is already resolvable. (bool, default: false) | no
`ipaserver_reverse_zones` | The reverse DNS zones to use. (list of strings) | no
`ipaserver_no_reverse` | Do not create reverse DNS zone. (bool, default: false) | no
`ipaserver_auto_reverse` | Try to resolve reverse records and reverse zones for server IP addresses. (bool, default: false) | no
`ipaserver_zonemgr` | The e-mail address of the DNS zone manager. (string, default: hostmaster@DOMAIN.) | no
`ipaserver_forwarders` | Add DNS forwarders to the DNS configuration. (list of strings) | no
`ipaserver_no_forwarders` | Do not add any DNS forwarders. Root DNS servers will be used instead. (bool, default: false) | no
`ipaserver_auto_forwarders` | Add DNS forwarders configured in /etc/resolv.conf to the list of forwarders used by IPA DNS. (bool, default: false) | no
`ipaserver_forward_policy` | DNS forwarding policy for global forwarders specified using other options. (choice: first|only) | no
`ipaserver_no_dnssec_validation` | Disable DNSSEC validation on this server. (bool, default: false) | no
AD trust Variables
------------------
Variable | Description | Required
-------- | ----------- | --------
`ipaserver_enable_compat`| Enables support for trusted domains users for old clients through Schema Compatibility plugin. (bool, default: false) | no
`ipaserver_netbios_name` | The NetBIOS name for the IPA domain. (string) | no
`ipaserver_rid_base` | First RID value of the local domain. (integer) | no
`ipaserver_secondary_rid_base` | Start value of the secondary RID range. (integer) | no
Special Variables
-----------------
Variable | Description | Required
-------- | ----------- | --------
`ipaserver_install_packages` | The bool value defines if the needed packages are installed on the node. (bool, default: true) | no
`ipaserver_setup_firewalld` | The value defines if the needed services will automatically be openen in the firewall managed by firewalld. (bool, default: true) | no
`ipaserver_external_cert_files_from_controller` | Files containing the IPA CA certificates and the external CA certificate chains on the controller that will be copied to the ipaserver host to `/root` folder. (list of string) | no
`ipaserver_copy_csr_to_controller` | Copy the generated CSR from the ipaserver to the controller as `"{{ inventory_hostname }}-ipa.csr"`. (bool) | no
Authors
=======
Thomas Woerner
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