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docs/doc/source/security/kubernetes/add-a-trusted-ca.rst
Keane Lim 3c5fa979a4 Security guide update
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Change-Id: I13472792cb19d1e9975ac76c6954d38054d606c5
Signed-off-by: Keane Lim <keane.lim@windriver.com>
Signed-off-by: MCamp859 <maryx.camp@intel.com>
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.. qfk1564403051860
.. _add-a-trusted-ca:
================
Add a Trusted CA
================
Generally a trusted |CA| certificate needs to be added if |prod| clients on
the hosts will be connecting to server\(s\) secured with SSL and whose
certificate is signed by an unknown |CA|.
.. contents::
:local:
:depth: 1
For example, a trusted |CA| certificate is required if your helm charts or
yaml manifest files refer to images stored in a docker registry whose
certificate has been signed by an unknown Certificate Authority.
Trusted |CA| certificates can be added as part of the Ansible Bootstrap
Playbook or by using the StarlingX/system REST API or CLI after installation.
.. _add-a-trusted-ca-section-N1002C-N1001C-N10001:
--------------------------
Ansible Bootstrap Playbook
--------------------------
A trusted |CA| certificate may need to be specified as an override parameter
for the Ansible Bootstrap Playbook. Specifically, if the docker registries,
specified by the bootstrap overrides file, use a certificate signed by an
unknown |CA|. If this is the case then the ssl\_ca\_cert parameter needs to
be specified in the ansible overrides file, /home/sysadmin/localhost.yml, as
part of bootstrap in the installation procedure.
For example:
.. code-block:: none
apiserver_cert_sans: <trusted-ca-bundle-pem-file>
The *ssl\_ca\_cert* value is the absolute path of the file containing the
|CA| certificate\(s\) to trust. The certificate\(s\) must be in |PEM| format
and the file may contain one or more |CA| certificates.
.. _add-a-trusted-ca-section-N10047-N1001C-N10001:
-----------------------------------------------------
StarlingX/System CLI Trusted CA Certificate Install
-----------------------------------------------------
After installation, adding a trusted |CA| to the |prod| system may be required.
This is the case if images stored in a docker registry, whose certificate has
been signed by an unknown Certificate Authority, are referred to by helm
charts and/or yaml manifest files.
The certificate must be in |PEM| file format.
From the command line, run the :command:`certificate-install` command.
.. code-block:: none
~(keystone_admin)$ system certificate-install -m ssl_ca <trusted-ca-bundle-pem-file>
For example:
.. code-block:: none
~(keystone_admin)$ system certificate-install -m ssl_ca external-registry-ca-crt.pem
WARNING: For security reasons, the original certificate,
containing the private key, will be removed,
once the private key is processed.
+-------------+--------------------------------------+
| Property | Value |
+-------------+--------------------------------------+
| uuid | c986249f-b304-4ab4-b88e-14f92e75269d |
| certtype | ssl_ca |
| signature | ssl_ca_14617336624230451058 |
| start_date | 2019-05-22 18:24:41+00:00 |
| expiry_date | 2020-05-21 18:24:41+00:00 |
+-------------+--------------------------------------+
.. note::
Multiple trusted |CA| certificates can be added with single install
command by including multiple |CA| certificates in the |PEM| file.
.. _add-a-trusted-ca-section-phr-jw4-3mb:
-------------------------------------------------------
StarlingX/System CLI Trusted CA Certificate Uninstall
-------------------------------------------------------
To remove a Trusted |CA| Certificate, first list the trusted |CAs| by
running the following command:
.. code-block:: none
~(keystone_admin)$ system certificate-list
where, all entries with certtype = ssl\_ca are trusted |CA| certificates.
Then remove a Trusted |CA| Certificate from the list of trusted |CAs| by
running the following command:
.. code-block:: none
~(keystone_admin)$ system certificate-uninstall -m ssl_ca <UUID>
where, <UUID> is the UUID of the ssl\_ca certtype to be removed.