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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <h2 style="margin: 10px 0 0 0; margin-top: 0; font-size: 20px; font-weight: normal; line-height: 1.500; margin: 40px 0 0 0; margin-top: 0"><a name="EnablingcentralizedloggingonOpenShift" style="color: #3b73af; text-decoration: none"></a>Enabling centralized logging on OpenShift</h2> <h4 style="margin: 10px 0 0 0; font-size: 14px; line-height: 1.500; margin: 20px 0 0 0"><a name="How" style="color: #3b73af; text-decoration: none"></a>How</h4> <p style="margin: 10px 0 0 0">There's an Ansible playbook in openshift-ansible repository that takes enables logging.<br> <a href="https://github.com/openshift/openshift-ansible" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/openshift/openshift-ansible</a></p> <h4 style="margin: 10px 0 0 0; font-size: 14px; line-height: 1.500; margin: 20px 0 0 0"><a name="Minishift" style="color: #3b73af; text-decoration: none"></a>Minishift</h4> <p style="margin: 10px 0 0 0">It is not possible to enable it on a cluster setup using Minishift.</p>
<ul>
<li>Running Ansible locally and targeting Minishift cluster is very problematic (needs RHEL on local machine, mising tools, assumptions about the local machine don't work)</li>
<li>Running Ansible within the Minishift VM is also not possible because that VM lacks lots of tools (Ansible, Pythong, Git etc.) and it is super hard to install them</li>
</ul> <h4 style="margin: 10px 0 0 0; font-size: 14px; line-height: 1.500; margin: 20px 0 0 0"><a name="occlusterup" style="color: #3b73af; text-decoration: none"></a>oc cluster up</h4> <p style="margin: 10px 0 0 0">Not possible either.</p> <p style="margin: 10px 0 0 0">Targeting the local cluster with Ansible sounds good, but it ends up in similar problems to Minishift one.</p> <p style="margin: 10px 0 0 0">.h4 Remote cluster that's created using <tt>cluster_create</tt> pipeline</p> <p style="margin: 10px 0 0 0">I was able to enable logging on "apb-testing" cluster Pavel gave me. Access to this cluster requires Red Hat VPN.</p> <p style="margin: 10px 0 0 0">Steps:</p> <p style="margin: 10px 0 0 0">1. SSH into master node:</p> <p style="margin: 10px 0 0 0"></p>
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<td style=" line-height: 1.4em !important; padding: 0em; vertical-align: top;; padding: 0px; border-collapse: collapse"> <pre style="font-size: 1em; margin: 0 10px; margin-top: 10px; margin-bottom: 10px; width: auto; padding: 0;; margin: 10px 0 0 0; margin-top: 0"><span style="color: black; font-family: 'Consolas', 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important;">ssh hadmin@apb-testing.skunkhenry.com
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</div> <p style="margin: 10px 0 0 0"></p> <p style="margin: 10px 0 0 0">Your key should be already in authorized keys for hadmin user.<br> OpenShift console for this cluster is at <a href="https://apb-testing.skunkhenry.com:8443/console" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://apb-testing.skunkhenry.com:8443/console</a></p> <p style="margin: 10px 0 0 0">2. Clone openshift-ansible</p> <p style="margin: 10px 0 0 0"></p>
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<td style=" line-height: 1.4em !important; padding: 0em; vertical-align: top;; padding: 0px; border-collapse: collapse"> <pre style="font-size: 1em; margin: 0 10px; margin-top: 10px; margin-bottom: 10px; width: auto; padding: 0;; margin: 10px 0 0 0; margin-top: 0"><span style="color: black; font-family: 'Consolas', 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important;">git clone https://github.com/openshift/openshift-ansible.git
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</div> <p style="margin: 10px 0 0 0"></p> <p style="margin: 10px 0 0 0">3. Checkout the relevant tag of that repo:</p> <p style="margin: 10px 0 0 0"></p>
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<td style=" line-height: 1.4em !important; padding: 0em; vertical-align: top;; padding: 0px; border-collapse: collapse"> <pre style="font-size: 1em; margin: 0 10px; margin-top: 10px; width: auto; padding: 0;; margin: 10px 0 0 0; margin-top: 0"><span style="color: black; font-family: 'Consolas', 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important;"># find the correct one from https://github.com/openshift/openshift-ansible/releases</span></pre> </td>
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<td style=" line-height: 1.4em !important; padding: 0em; vertical-align: top;; padding: 0px; border-collapse: collapse"> <pre style="font-size: 1em; margin: 0 10px; width: auto; padding: 0;; margin: 10px 0 0 0; margin-top: 0"><span style="color: black; font-family: 'Consolas', 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important;"># that matches the OpenShift version you get using 'oc version' command</span></pre> </td>
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<td style=" line-height: 1.4em !important; padding: 0em; vertical-align: top;; padding: 0px; border-collapse: collapse"> <pre style="font-size: 1em; margin: 0 10px; margin-bottom: 10px; width: auto; padding: 0;; margin: 10px 0 0 0; margin-top: 0"><span style="color: black; font-family: 'Consolas', 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important;">git checkout openshift-ansible-3.9.33-1
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</div> <p style="margin: 10px 0 0 0"></p> <p style="margin: 10px 0 0 0">4. There was a bug in that version of the Ansible role. It is fixed in master. Make that update manually according to <a href="https://github.com/openshift/openshift-ansible/blob/1cb319e8030961f77d751f4be115fe5ddba89bda/roles/openshift_logging_elasticsearch/handlers/main.yml#L8" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/openshift/openshift-ansible/blob/1cb319e8030961f77d751f4be115fe5ddba89bda/roles/openshift_logging_elasticsearch/handlers/main.yml#L8</a></p> <p style="margin: 10px 0 0 0">5. Login with system admin</p> <p style="margin: 10px 0 0 0"></p>
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<td style=" line-height: 1.4em !important; padding: 0em; vertical-align: top;; padding: 0px; border-collapse: collapse"> <pre style="font-size: 1em; margin: 0 10px; margin-top: 10px; margin-bottom: 10px; width: auto; padding: 0;; margin: 10px 0 0 0; margin-top: 0"><span style="color: black; font-family: 'Consolas', 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important;">oc login -u system:admin
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</div> <p style="margin: 10px 0 0 0"></p> <p style="margin: 10px 0 0 0">6. Enable logging</p> <p style="margin: 10px 0 0 0"></p>
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<td style=" line-height: 1.4em !important; padding: 0em; vertical-align: top;; padding: 0px; border-collapse: collapse"> <pre style="font-size: 1em; margin: 0 10px; margin-top: 10px; margin-bottom: 10px; width: auto; padding: 0;; margin: 10px 0 0 0; margin-top: 0"><span style="color: black; font-family: 'Consolas', 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important;">ansible-playbook -i /home/hadmin/.config/openshift/hosts ./playbooks/openshift-logging/config.yml -e openshift_logging_install_logging=true -e openshift_logging_es_allow_external=True -e openshift_logging_es_hostname=elasticsearch.example.com
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</div> <p style="margin: 10px 0 0 0"></p> <p style="margin: 10px 0 0 0">The cluster is created initially with cluster_create pipeline and that pipeline stores Ansible inventory in the master node at /home/hadmin/.config/openshift/hosts</p> <p style="margin: 10px 0 0 0">7. Wait until Ansible playbook completes and all pods are up on OpenShift's <tt>logging</tt> project</p> <p style="margin: 10px 0 0 0">8. Update the route in <tt>logging</tt> project for ElasticSearch. Change it using the UI from elasticsearch.example.com to something you like such as es.apb-testing.skunkhenry.com</p> <h2 style="margin: 10px 0 0 0; font-size: 20px; font-weight: normal; line-height: 1.500; margin: 40px 0 0 0"><a name="DisablingOpenShiftCentralizedlogging" style="color: #3b73af; text-decoration: none"></a>Disabling OpenShift Centralized logging</h2> <p style="margin: 10px 0 0 0"></p>
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<td style=" line-height: 1.4em !important; padding: 0em; vertical-align: top;; padding: 0px; border-collapse: collapse"> <pre style="font-size: 1em; margin: 0 10px; margin-top: 10px; margin-bottom: 10px; width: auto; padding: 0;; margin: 10px 0 0 0; margin-top: 0"><span style="color: black; font-family: 'Consolas', 'Bitstream Vera Sans Mono', 'Courier New', Courier, monospace !important;">ansible-playbook -i /home/hadmin/.config/openshift/hosts ./playbooks/openshift-logging/config.yml -e openshift_logging_install_logging=false
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