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Application lifecycle management
using Kubernetes-Helm and
Codefresh
Oleg Sucharevich
Codefresh is a DevOps Platform
Built for Kubernetes
Kubernetes
CI/CD Pipelines
Self-Service Test
Environments
Docker & Helm
Registry
Release
Management
Codefresh tech overview
● The boring stuff:
○ Micro-services, HTTP
○ Node.js / Go code repos in Github
○ Running on Kubernetes
● The interesting stuff:
○ Deploying using Helm
○ One chart per service
○ Charts grouped under one master-chart using ‘local-charts’
codefresh
├── env
│ ├── production
│ ├── staging
│ ├── dynamic
├── files
│ ├── ...
├── local-charts
│ ├── accounts-referrals
│ ├── builder
│ ├── cfapi
│ ├── cfsign
│ ├── charts-manager
│ ├── cluster-providers
│ ├── context-manager
│ ├── internal-status-page
│ ├── kube-integration
│ ├── mailer
│ ├── payments
│ ├── pipeline-manager
│ ├── runner
│ ├── salesforce-reporter
│ ├── segment-reporter
│ ├── tasker-kubernetes
│ └── workflow-baseline-invoker
└── templates
├── ...
Before
1. Developer push changes to source
control
Before
1. Developer push changes to source
control
2. Pipeline build docker image
Before
1. Developer push changes to source
control
2. Pipeline build docker image
3. Developer tags docker image
Before
1. Developer push changes to source
control
2. Pipeline build docker image
3. Developer tags docker image
4. Developer update image tag in
helm chart
Before
1. Developer push changes to source
control
2. Pipeline build docker image
3. Developer tags docker image
4. Developer update image tag in
helm chart
5. Pipeline deploys Helm chart
Before
Challenges:
● Manual steps are error prone
● Multiple steps need to be
synchronized
● Lack of traceability
● Bottleneck on destination
environment
After
magic
Ver X-feature
Ver Y
Ver X-feature
Ver X
(Production)
After
magic
Ver X+1
Ver Y
Ver X-feature
Ver X+1
(Production)
New rules
● Move charts into the code repo
● Use default values, charts installable without values file (dev)
● Values are embedded in the chart, part of the Helm package artifact
● No multi-image charts
● Consistent version across: Code (package), Container image, Git release, Helm
chart
● Use Semantic versioning throughout assets
● Chart-of-Charts becomes a composition of charts using requirements.yaml
helm, the real world
Looking Forward
● Break down into smaller pipelines using triggers
○ We recently launched pluggable triggers, including out of box support for Docker Hub
● Encapsulated steps/plugins
○ We are working on templating reusable steps
● Advanced chart management - channels, auth, metadata
○ Actively developing Chart Museum
codefresh.io/helm
Sign up for early access:
Application lifecycle management
using Kubernetes-Helm and
Codefresh
Oleg Sucharevich

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helm, the real world

  • 1. Application lifecycle management using Kubernetes-Helm and Codefresh Oleg Sucharevich
  • 2. Codefresh is a DevOps Platform Built for Kubernetes Kubernetes CI/CD Pipelines Self-Service Test Environments Docker & Helm Registry Release Management
  • 3. Codefresh tech overview ● The boring stuff: ○ Micro-services, HTTP ○ Node.js / Go code repos in Github ○ Running on Kubernetes ● The interesting stuff: ○ Deploying using Helm ○ One chart per service ○ Charts grouped under one master-chart using ‘local-charts’ codefresh ├── env │ ├── production │ ├── staging │ ├── dynamic ├── files │ ├── ... ├── local-charts │ ├── accounts-referrals │ ├── builder │ ├── cfapi │ ├── cfsign │ ├── charts-manager │ ├── cluster-providers │ ├── context-manager │ ├── internal-status-page │ ├── kube-integration │ ├── mailer │ ├── payments │ ├── pipeline-manager │ ├── runner │ ├── salesforce-reporter │ ├── segment-reporter │ ├── tasker-kubernetes │ └── workflow-baseline-invoker └── templates ├── ...
  • 4. Before 1. Developer push changes to source control
  • 5. Before 1. Developer push changes to source control 2. Pipeline build docker image
  • 6. Before 1. Developer push changes to source control 2. Pipeline build docker image 3. Developer tags docker image
  • 7. Before 1. Developer push changes to source control 2. Pipeline build docker image 3. Developer tags docker image 4. Developer update image tag in helm chart
  • 8. Before 1. Developer push changes to source control 2. Pipeline build docker image 3. Developer tags docker image 4. Developer update image tag in helm chart 5. Pipeline deploys Helm chart
  • 9. Before Challenges: ● Manual steps are error prone ● Multiple steps need to be synchronized ● Lack of traceability ● Bottleneck on destination environment
  • 10. After magic Ver X-feature Ver Y Ver X-feature Ver X (Production)
  • 11. After magic Ver X+1 Ver Y Ver X-feature Ver X+1 (Production)
  • 12. New rules ● Move charts into the code repo ● Use default values, charts installable without values file (dev) ● Values are embedded in the chart, part of the Helm package artifact ● No multi-image charts ● Consistent version across: Code (package), Container image, Git release, Helm chart ● Use Semantic versioning throughout assets ● Chart-of-Charts becomes a composition of charts using requirements.yaml
  • 14. Looking Forward ● Break down into smaller pipelines using triggers ○ We recently launched pluggable triggers, including out of box support for Docker Hub ● Encapsulated steps/plugins ○ We are working on templating reusable steps ● Advanced chart management - channels, auth, metadata ○ Actively developing Chart Museum
  • 16. Application lifecycle management using Kubernetes-Helm and Codefresh Oleg Sucharevich