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Feat: need one Trait to set Rollout strategy of Workload (#5327)

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Signed-off-by: StevenLeiZhang <zhangleiic@163.com>
(cherry picked from commit 5d00b2ac73)

Co-authored-by: StevenLeiZhang <zhangleiic@163.com>
This commit is contained in:
github-actions[bot]
2023-01-12 17:19:17 +08:00
committed by GitHub
co-authored by StevenLeiZhang
parent 80b2b2c2d3
commit ce57fbb752
5 changed files with 329 additions and 0 deletions
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charts/vela-core/templates/defwithtemplate/k8s-update-strategy.yaml
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# Code generated by KubeVela templates. DO NOT EDIT. Please edit the original cue file.
# Definition source cue file: vela-templates/definitions/internal/k8s-update-strategy.cue
apiVersion: core.oam.dev/v1beta1
kind: TraitDefinition
metadata:
annotations:
definition.oam.dev/alias: ""
definition.oam.dev/description: Set k8s update strategy for Deployment/DaemonSet/StatefulSet
name: k8s-update-strategy
namespace: {{ include "systemDefinitionNamespace" . }}
spec:
appliesToWorkloads:
- deployments.apps
- statefulsets.apps
- daemonsets.apps
conflictsWith: []
podDisruptive: false
schematic:
cue:
template: |
patch: spec: {
if parameter.targetKind == "Deployment" && parameter.strategy.type != "OnDelete" {
// +patchStrategy=retainKeys
strategy: {
type: parameter.strategy.type
if parameter.strategy.type == "RollingUpdate" {
rollingUpdate: {
maxSurge: parameter.strategy.rollingStrategy.maxSurge
maxUnavailable: parameter.strategy.rollingStrategy.maxUnavailable
}
}
}
}
if parameter.targetKind == "StatefulSet" && parameter.strategy.type != "Recreate" {
// +patchStrategy=retainKeys
updateStrategy: {
type: parameter.strategy.type
if parameter.strategy.type == "RollingUpdate" {
rollingUpdate: partition: parameter.strategy.rollingStrategy.partition
}
}
}
if parameter.targetKind == "DaemonSet" && parameter.strategy.type != "Recreate" {
// +patchStrategy=retainKeys
updateStrategy: {
type: parameter.strategy.type
if parameter.strategy.type == "RollingUpdate" {
rollingUpdate: {
maxSurge: parameter.strategy.rollingStrategy.maxSurge
maxUnavailable: parameter.strategy.rollingStrategy.maxUnavailable
}
}
}
}
}
parameter: {
// +usage=Specify the apiVersion of target
targetAPIVersion: *"apps/v1" | string
// +usage=Specify the kind of target
targetKind: *"Deployment" | "StatefulSet" | "DaemonSet"
// +usage=Specify the strategy of update
strategy: {
// +usage=Specify the strategy type
type: *"RollingUpdate" | "Recreate" | "OnDelete"
// +usage=Specify the parameters of rollong update strategy
rollingStrategy?: {
maxSurge: *"25%" | string
maxUnavailable: *"25%" | string
partition: *0 | int
}
}
}
workloadRefPath: ""
references/docgen/def-doc/trait/k8s-update-strategy.eg.md
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```yaml
apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
name: application-with-update-strategy
spec:
components:
- name: helloworld
type: webservice
properties:
cpu: "0.5"
exposeType: ClusterIP
image: oamdev/hello-world:latest
memory: 1024Mi
ports:
- expose: true
port: 80
protocol: TCP
traits:
- type: scaler
properties:
replicas: 5
- type: k8s-update-strategy
properties:
targetAPIVersion: apps/v1
targetKind: Deployment
strategy:
type: RollingUpdate
rollingStrategy:
maxSurge: 20%
maxUnavailable: 30%
---
apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
name: application-node-exporter
spec:
components:
- name: node-exporter
type: daemon
properties:
image: prom/node-exporter
imagePullPolicy: IfNotPresent
volumeMounts:
hostPath:
- mountPath: /host/sys
mountPropagation: HostToContainer
name: sys
path: /sys
readOnly: true
- mountPath: /host/root
mountPropagation: HostToContainer
name: root
path: /
readOnly: true
traits:
- properties:
args:
- --path.sysfs=/host/sys
- --path.rootfs=/host/root
- --no-collector.wifi
- --no-collector.hwmon
- --collector.filesystem.ignored-mount-points=^/(dev|proc|sys|var/lib/docker/.+|var/lib/kubelet/pods/.+)($|/)
- --collector.netclass.ignored-devices=^(veth.*)$
type: command
- properties:
annotations:
prometheus.io/path: /metrics
prometheus.io/port: "8080"
prometheus.io/scrape: "true"
port:
- 9100
type: expose
- properties:
cpu: 0.1
memory: 250Mi
type: resource
- type: k8s-update-strategy
properties:
targetAPIVersion: apps/v1
targetKind: DaemonSet
strategy:
type: RollingUpdate
rollingStrategy:
maxSurge: 20%
maxUnavailable: 30%
```
vela-templates/definitions/internal/trait/k8s-update-strategy.cue
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"k8s-update-strategy": {
alias: ""
annotations: {}
attributes: {
appliesToWorkloads: ["deployments.apps", "statefulsets.apps", "daemonsets.apps"]
conflictsWith: []
podDisruptive: false
workloadRefPath: ""
}
description: "Set k8s update strategy for Deployment/DaemonSet/StatefulSet"
labels: {}
type: "trait"
}
template: {
patch: {
spec: {
if parameter.targetKind == "Deployment" && parameter.strategy.type != "OnDelete" {
// +patchStrategy=retainKeys
strategy: {
type: parameter.strategy.type
if parameter.strategy.type == "RollingUpdate" {
rollingUpdate: {
maxSurge: parameter.strategy.rollingStrategy.maxSurge
maxUnavailable: parameter.strategy.rollingStrategy.maxUnavailable
}
}
}
}
if parameter.targetKind == "StatefulSet" && parameter.strategy.type != "Recreate" {
// +patchStrategy=retainKeys
updateStrategy: {
type: parameter.strategy.type
if parameter.strategy.type == "RollingUpdate" {
rollingUpdate: {
partition: parameter.strategy.rollingStrategy.partition
}
}
}
}
if parameter.targetKind == "DaemonSet" && parameter.strategy.type != "Recreate" {
// +patchStrategy=retainKeys
updateStrategy: {
type: parameter.strategy.type
if parameter.strategy.type == "RollingUpdate" {
rollingUpdate: {
maxSurge: parameter.strategy.rollingStrategy.maxSurge
maxUnavailable: parameter.strategy.rollingStrategy.maxUnavailable
}
}
}
}
}}
parameter: {
// +usage=Specify the apiVersion of target
targetAPIVersion: *"apps/v1" | string
// +usage=Specify the kind of target
targetKind: *"Deployment" | "StatefulSet" | "DaemonSet"
// +usage=Specify the strategy of update
strategy: {
// +usage=Specify the strategy type
type: *"RollingUpdate" | "Recreate" | "OnDelete"
// +usage=Specify the parameters of rollong update strategy
rollingStrategy?: {
maxSurge: *"25%" | string
maxUnavailable: *"25%" | string
partition: *0 | int
}
}
}
}
vela-templates/definitions/usage-examples/application-daemon-with-k8s-update-strategy.yaml
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apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
name: application-node-exporter
spec:
components:
- name: node-exporter
type: daemon
properties:
image: prom/node-exporter
imagePullPolicy: IfNotPresent
volumeMounts:
hostPath:
- mountPath: /host/sys
mountPropagation: HostToContainer
name: sys
path: /sys
readOnly: true
- mountPath: /host/root
mountPropagation: HostToContainer
name: root
path: /
readOnly: true
traits:
- properties:
args:
- --path.sysfs=/host/sys
- --path.rootfs=/host/root
- --no-collector.wifi
- --no-collector.hwmon
- --collector.filesystem.ignored-mount-points=^/(dev|proc|sys|var/lib/docker/.+|var/lib/kubelet/pods/.+)($|/)
- --collector.netclass.ignored-devices=^(veth.*)$
type: command
- properties:
annotations:
prometheus.io/path: /metrics
prometheus.io/port: "8080"
prometheus.io/scrape: "true"
port:
- 9100
type: expose
- properties:
cpu: 0.1
memory: 250Mi
type: resource
- type: k8s-update-strategy
properties:
targetAPIVersion: apps/v1
targetKind: DaemonSet
strategy:
type: RollingUpdate
rollingStrategy:
maxSurge: 20%
maxUnavailable: 30%
vela-templates/definitions/usage-examples/application-with-k8s-update-strategy.yaml
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apiVersion: core.oam.dev/v1beta1
kind: Application
metadata:
name: application-with-update-strategy
spec:
components:
- name: helloworld
type: webservice
properties:
cpu: "0.5"
exposeType: ClusterIP
image: oamdev/hello-world:latest
memory: 1024Mi
ports:
- expose: true
port: 80
protocol: TCP
traits:
- type: scaler
properties:
replicas: 5
- type: k8s-update-strategy
properties:
targetAPIVersion: apps/v1
targetKind: Deployment
strategy:
type: RollingUpdate
rollingStrategy:
maxSurge: 20%
maxUnavailable: 30%