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Introduction to Kubernetes - Docker Global Mentor Week 2016
The document is an introduction to Kubernetes, an open-source system for automating the deployment, scaling, and management of containerized applications. It discusses the architecture of Kubernetes, including concepts like pods, replication controllers, and services. The author, Jirayut Nimsaeng, is a DevOps and cloud architect with an interest in open source and cloud automation.
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Introduction to Kubernetes - Docker Global Mentor Week 2016
- 1. Introduction to Kubernetes JirayutNimsaeng (Dear) DevOps & Cloud Architect | Kaidee Docker in Thai Meetup Kaidee | November 17, 2016
- 2. $ WHOAMI ● JirayutNimsaeng (Dear) ● DevOps and Cloud Architect at ● Interested in Open Source and Cloud Automation
- 3. Application Environment Physical Infrastructure HostOS Host OS Host OS Network Storage Orchestration DevOps Tools: Build Automation, Version Control, Configuration Management ImageRegistry Monitor/Logging Container Container Container Source: Janakiram MSV
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- 5. What is Kubernetes? ●Kubernetes is an open-source system for automating deployment, scaling, and management of containerized applications. ● The name Kubernetes originates from Greek, meaning “helmsman” or “pilot” ● K8s is an abbreviation derived by replacing the 8 letters “ubernete” with 8.
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- 9. Replication Controller /Replication Set Replication Controller / Replication Set Pod 1 Container Apache index.php Pod 2 Container Apache index.php
- 10. Service Replication Controller /Replication Set Pod 1 Pod 2 Service 161.246.23.75:80
- 11. Label Node 1 Pod label: app=foo Service selector: app=bar 161.246.23.75:80 Node2 Pod label: app=bar Pod label: app=foo Pod label: app=bar
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- 13. Namespace 1 Namespace Replication Controller /Replication Set Pod 1 Pod 2 Service 161.246.23.75:80 Namespace 2 Replication Controller / Replication Set Pod 1 Pod 2 Service 161.246.23.75:80
- 14. Rolling Update (1) Node1 Pod 10.0.1.5 Service 161.246.23.75:80 Node 2 Pod 10.0.2.4
- 15. Rolling Update (2) Node1 Pod 10.0.1.5 Service 161.246.23.75:80 Node 2 Pod 10.0.2.4 Pod 10.0.1.6
- 16. Rolling Update (3) Node1 Service 161.246.23.75:80 Node 2 Pod 10.0.2.4 Pod 10.0.1.6
- 17. Rolling Update (4) Node1 Service 161.246.23.75:80 Node 2 Pod 10.0.1.6 Pod 10.0.2.5
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