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Added new topic with Utility script added to display certificates installed on a system

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Story: https://storyboard.openstack.org/#!/story/2009190
Task:  43396

Signed-off-by: Juanita-Balaraj <juanita.balaraj@windriver.com>
Change-Id: I82bcb12060cfa0c0d4ed26b352d4d5391f66aa91
Signed-off-by: Juanita-Balaraj <juanita.balaraj@windriver.com>
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Juanita-Balaraj 2021-09-23 12:52:15 -04:00
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1
doc/source/security/kubernetes/index.rst
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@ -99,6 +99,7 @@ Secure HTTPS Connectivity
:maxdepth: 2 :maxdepth: 2
https-access-overview https-access-overview
utility-script-to-display-certificates
starlingx-rest-api-applications-and-the-web-administration-server starlingx-rest-api-applications-and-the-web-administration-server
kubernetes-root-ca-certificate kubernetes-root-ca-certificate
security-install-update-the-docker-registry-certificate security-install-update-the-docker-registry-certificate

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doc/source/security/kubernetes/utility-script-to-display-certificates.rst Normal file
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@ -0,0 +1,78 @@
.. _utility-script-to-display-certificates:
------------------------------------------
Display Certificates Installed on a System
------------------------------------------
The utility script **show-certs.sh** can be used to display an overview of the
various certificates that exist in the system along with their expiry date.
The :command:`show-certs.sh` command has the following options:
**sudo show-certs.sh [-k] [-e <number-of-days>] [-h]**
where:
By default, :command:`show-certs.sh` command displays the platform-managed
system certificates, and (highlighted in red) certificates requiring manual
renewal, and certificates expiring within 90 days.
options:
-k displays certificates found in any Kubernetes SECRETS;
this may include platform certificates and end-users' certificates
-e <number-of-days> changes to highlight (in red) certificates within
<number-of-days> of expiry
-h displays help
For example:
.. code-block:: none
~(keystone_admin)]$ sudo show-certs.sh
registry.local CERTIFICATE:
-----------------------------------------------------
Renewal : Manual
Filename : /etc/ssl/private/registry-cert.crt
Subject : /CN=registry.local
Issuer : /CN=registry.local
Issue Date : Aug 31 01:43:09 2021 GMT
Expiry Date : Aug 31 01:43:09 2022 GMT
Residual Time : 341d
-----------------------------------------------------
For scalability in a Distributed cloud system, the Subcloud ICA certificates
are redirected to a file. The script displays the path to the file with a note
at the end of the output file.
.. code-block:: none
Subcloud ICA certificates (*-adminep-ca-certificate) are saved to
/tmp/subcloud-icas-tls-secrets.HqZSBQoUUJ.txt in order to limit the
size of the output.
For example,
.. code-block:: none
~(keystone_admin)]$ cat /tmp/subcloud-icas-tls-secrets.HqZSBQoUUJ.txt
Renewal Namespace Secret Residual Time
---------------------------------------------------------------------------------------
Automatic [Managed by Cert-Manager] dc-cert subcloud1-adminep-ca-certificate 364d
Automatic [Managed by Cert-Manager] dc-cert subcloud10-adminep-ca-certificate 364d
Automatic [Managed by Cert-Manager] dc-cert subcloud100-adminep-ca-certificate 364d
---------------------------------------------------------------------------------------