![Kustomize
apiVersion: v1
kind: Pod
metadata:
name: myapp-pod
labels:
app: myapp
spec:
containers:
- name: myapp-container
image: busybox
command: ['app']
apiVersion: v1
kind: Pod
metadata:
name: myapp-pod
spec:
containers:
- name: myapp
command: ['app', '--dev']
apiVersion: v1
kind: Pod
metadata:
name: myapp-pod
labels:
app: myapp
spec:
containers:
- name: myapp-container
image: busybox
command: ['app', '--dev']
base.yaml patch.yaml output.yaml](https://image.slidesharecdn.com/environmentmanagementinacontinuousdeliveryworld3-180718170912/85/Environment-management-in-a-continuous-delivery-world-3-12-320.jpg)
![Kustomize
apiVersion: v1
kind: Pod
metadata:
name: myapp-pod
labels:
app: myapp
spec:
containers:
- name: myapp
image: busybox
command: ['app']
apiVersion: v1
kind: Pod
metadata:
name: myapp-pod
spec:
containers:
- name: myapp
command: ['app', '--dev']
apiVersion: v1
kind: Pod
metadata:
name: myapp-pod
labels:
app: myapp
spec:
containers:
- name: myapp
image: busybox
command: ['app', '--dev']
base.yaml patch.yaml output.yaml](https://image.slidesharecdn.com/environmentmanagementinacontinuousdeliveryworld3-180718170912/85/Environment-management-in-a-continuous-delivery-world-3-13-320.jpg)
![skaffold dev
Watch source
code
dependencies of
images
Build image
[push if remote]
Tag
Update
deployments
and apply
metadata labels
Deploy
1 2 3 4 5 6
Stream logs
from deployed
artifacts
Verify](https://image.slidesharecdn.com/environmentmanagementinacontinuousdeliveryworld3-180718170912/85/Environment-management-in-a-continuous-delivery-world-3-24-320.jpg)
![skaffold build
Build image
[push if remote]
Tag
1](https://image.slidesharecdn.com/environmentmanagementinacontinuousdeliveryworld3-180718170912/85/Environment-management-in-a-continuous-delivery-world-3-25-320.jpg)
![skaffold run
Build image
[push if remote]
Tag
Update
deployments
and apply
metadata labels
Deploy
1 2 3](https://image.slidesharecdn.com/environmentmanagementinacontinuousdeliveryworld3-180718170912/85/Environment-management-in-a-continuous-delivery-world-3-27-320.jpg)
![[20200720]cloud native develoment - Nelson Lin](https://cdn.slidesharecdn.com/ss_thumbnails/20200720cloudnativedeveloment-200824031228-thumbnail.jpg?width=560&fit=bounds)
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Environment management in a continuous delivery world (3)
- 1. Vic Iglesias Solutions Architect @vicnastea Environment Management in a Continuously Delivered World
- 2. Who am I? ● Solutions Architect ● Focus Areas ○ Enterprise Automation ○ Continuous Delivery ● Technology expertise ○ Kubernetes ○ Jenkins ○ Spinnaker * * No longer a smoker
- 4. Development Developer Laptop w/ Skaffold Shared Kubernetes cluster Development Resource Configs K8s Manifests
- 5. Staging Developer 1 Internal-only Kubernetes cluster Developer 3 Developer 2 Changes for Staging Development Resource Configs K8s Manifests
- 6. CI/CD System Canary + Production Canary Cluster Production Cluster Delta for Canary Development Resource Configs K8s Manifests Delta for Production
- 8. Overlays for filesystems ubuntu:16.04 c22013c84729 d74508fb6632 91e54dfb1179 d3a1f33e8a5a 194.5 KB 1.895 KB 0 B 188.1 MB Container layer Thin R/W layer Base Image layers (R/O)
- 9. Overlays for Kubernetes Manifests Security overlay Production Overlay Base Manifests 2O LOC 40 LOC 500 LOC Merge in overrides at each layer
- 10. Kustomize
- 11. github.com/kubernetes-sigs/kustomize Additional Features ● Uses 3-way merge to apply changes to K8s resources ● Apply common: ○ Labels ○ Annotations ● Add a prefix to all resource names ● Inject common config maps & secrets Customize raw YAML files for multiple purposes, leaving the original YAML untouched and usable as is.
- 12. Kustomize apiVersion: v1 kind: Pod metadata: name: myapp-pod labels: app: myapp spec: containers: - name: myapp-container image: busybox command: ['app'] apiVersion: v1 kind: Pod metadata: name: myapp-pod spec: containers: - name: myapp command: ['app', '--dev'] apiVersion: v1 kind: Pod metadata: name: myapp-pod labels: app: myapp spec: containers: - name: myapp-container image: busybox command: ['app', '--dev'] base.yaml patch.yaml output.yaml
- 13. Kustomize apiVersion: v1 kind: Pod metadata: name: myapp-pod labels: app: myapp spec: containers: - name: myapp image: busybox command: ['app'] apiVersion: v1 kind: Pod metadata: name: myapp-pod spec: containers: - name: myapp command: ['app', '--dev'] apiVersion: v1 kind: Pod metadata: name: myapp-pod labels: app: myapp spec: containers: - name: myapp image: busybox command: ['app', '--dev'] base.yaml patch.yaml output.yaml
- 14. dev/kustomization.yaml namespace: vic-dev commonLabels: owner: vic bases: - ../base/ patches: - patch.yaml configMapGenerator: - name: application-properties files: - properties ~/myapp ├── base/ └── deployment.yaml └── service.yaml └── kustomization.yaml ├── dev/ └── patch.yaml └── properties └── kustomization.yaml kustomize build dev/ | kubectl apply -f -
- 15. /me wipes brow
- 16. Now we have an easy way to define our dev manifests.
- 17. How do we iterate on our Kubernetes app during development?
- 18. Skaffold
- 19. Skaffold ● Open source project by Google ● Cluster agnostic - develop on local clusters or remote clusters on any cloud ● Easy to use, but also features for power users ● git clone && skaffold run ● Pluggable architecture ● Run anywhere - local development or CI pipeline
- 21. Skaffold Builders ● Docker ● Bazel ● In-Cluster (Kaniko) ● Google Cloud Builder
- 22. Skaffold Taggers ● Checksum of image ● Git metadata (commit SHA/tag) ● Timedate ● Static
- 23. Skaffold Deployers ● Kubectl ● Helm ● Kustomize
- 24. skaffold dev Watch source code dependencies of images Build image [push if remote] Tag Update deployments and apply metadata labels Deploy 1 2 3 4 5 6 Stream logs from deployed artifacts Verify
- 25. skaffold build Build image [push if remote] Tag 1
- 26. skaffold deploy Update deployments and apply metadata labels Deploy 2 3
- 27. skaffold run Build image [push if remote] Tag Update deployments and apply metadata labels Deploy 1 2 3
- 28. Now we can iterate easily during development.
- 29. How do we deploy to other environments?
- 30. Spinnaker
- 31. Spinnaker an open source, multi-cloud continuous delivery platform for releasing software changes...
- 35. Demo
- 36. Staging and Production EnvsDeveloper Env End-to-end Flow Container Builder Cloud Storage Container Registry Skaffold Spinnaker Staging Cluster Production Cluster Minikube Detect Commit Push Image Kustomize Manifests Detect New Image Pull in Latest manifest Developer