010.OpenShift comprehensive experiment and Application

Experiment 1 install OpenShift 1.1 preparation [student@workstation ~]$ lab review-install setup 1.2 configuration planning OpenShift cluster has three nodes: master.lab.example.com: the OpenShift master node is a node that cannot be scheduled for pod. node1.lab.example.com : an OpenShift node that can run applications and infrastructure pod s ...

Posted by jmcc on Mon, 22 Jun 2020 20:48:05 -0700

kolla ansible deploy openstack high availability cluster

kolla ansibel deploy openstack high availability cluster reference resources: https://docs.openstack.org/kolla-ansible/latest/user/quickstart.html kolla installation node requirements: 2 network interfaces 8GB main memory 40GB disk space For the installation of kolla, the target machine is required ...

Posted by jimmy patel on Sat, 13 Jun 2020 23:52:24 -0700

An article about TiDB disaster recovery recommendation

An article to play with TiDB disaster recovery 1, Background High availability is another major feature of TiDB. All three components of TiDB/TiKV/PD can tolerate partial instance failure without affecting the availability of the whole cluster. The following describes the availability of these three components, the consequences of a single ...

Posted by misschristina95 on Sun, 10 May 2020 20:43:02 -0700

Detailed explanation of role test of Ansible, an automatic operation and maintenance tool

Detailed explanation of Ansible Roles and practical cases   Host planning   Add user account explain: 1. Login account used by operation and maintenance personnel; 2. All businesses are placed in the "home directory of yun users" under / app / to avoid misplacement of business data; 3. This user is also used by ansible, because alm ...

Posted by chard on Fri, 08 May 2020 06:53:59 -0700

Detailed Tests Test for Automated Operations and Maintenance Tool Ansible

Ansible Tests Details and Use Cases   Host Planning   Add user account Explain: 1. Login accounts used by operations and maintenance personnel; 2. All businesses are placed under / app / in the "home directory of yun users" to avoid the disorder of business data; 3. This user is also used by ansible because almost all production en ...

Posted by cjdesign on Thu, 07 May 2020 09:49:48 -0700

Site online linkage ELK log entry

ELK schema log processing logic: 1. When Filebeat is installed in the business layer, it will automatically obtain the domain name and environment information of the host running site, add channel and env tags, and take the value of channel as the topic information of kafka 2. Kafka receives the new field and Topic information of Filebeat, and ...

Posted by BluntedbyNature on Tue, 05 May 2020 17:52:59 -0700

Ansible column: play ansible in one step

Play Ansible in one step I wrote a column about Ansible. It's very systematic from 0 to 1. It's about 39W words. There are more than 430 pages of pdf, only 39 yuan. Address: https://blog.51cto.com/cloumn/detail/83 Column contents: 1. Learning is not confused: how can Ansible master 2. Entering the Ansible world: usage overview and initial ...

Posted by huhn_m on Thu, 30 Apr 2020 00:37:41 -0700

Ansible playbook Vault encryption

Ansible playbook Vault encryption details and use cases   Host Planning   Add user account Explain: 1. Login accounts used by operations and maintenance personnel; 2. All businesses are placed under / app / in the "home directory of yun users" to avoid the disorder of business data; 3. This user is also used by ansible because almo ...

Posted by dopey on Tue, 28 Apr 2020 09:56:43 -0700

Ansible16: Playbook advanced usage

Catalog Local execution Task delegation Task pause Scroll execution Only once Setting environment variables interactive prompt Local execution If you want to run a specific task locally on the control host, you can use the local action statement. Suppose that the remote host we need to configure has jus ...

Posted by roonnyy on Mon, 20 Apr 2020 00:57:21 -0700

[Jenkins+Ansible+Gitlab Automated Deployment three swordsmen] learning notes - Chapter 5 5 5-1~5-5 Freestyle Job practice

Chapter 5: 5-1~5-5 Freestyle Job 1, Three swordsmen Environment Introduction (Jenkins, Ansible, Gitlab) 2, Jenkins, Ansible, Gitlab 2.1. Verify the ansible environment and ssh password free login under Jenkisns 2.2. Write nginx? Playbooks file 2.2.1. Enter nginx? Playbooks folder to write deploy.yml file 2.2.2 create dev and p ...

Posted by kingpin393 on Sun, 12 Apr 2020 19:17:07 -0700