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elastic-scaling-container-through-hpa.yml
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ROSTemplateFormatVersion: '2015-09-01'
Description:
zh-cn: 创建托管Kubernetes集群，配置VPC、节点池、HPA及日志服务，实现容器应用的自动伸缩与监控。
en: Create a managed Kubernetes cluster, configure Virtual Private Cloud (VPC),
node pools, Horizontal Pod Autoscaler (HPA), and logging services to enable automatic
scaling and monitoring of containerized applications.
Parameters:
CommonName:
Type: String
Default: k8s-hpa-cluster
SlsProjectName:
Type: String
Label:
en: Name of sls project
zh-cn: 日志项目的名称
Description:
en: The name contains 3 to 36 characters. It must start and end with a lowercase letter or number. The value can contain lowercase letters, digits, and hyphens (-).
zh-cn: 长度为3~36个字符。必须以小写英文字母或数字开头和结尾。可包含小写英文字母、数字和短划线（-）。
AssociationProperty: AutoCompleteInput
AssociationPropertyMetadata:
Length: 5
Prefix: k8s-hpa-sls-project-
CharacterClasses:
- Class: lowercase
min: 1
ManagedKubernetesClusterName:
Type: String
Label:
en: Managed Kubernetes Cluster Name
zh-cn: ACK托管版集群名称
AssociationProperty: AutoCompleteInput
AssociationPropertyMetadata:
Length: 5
Prefix: k8s-hpa-cluster-
CharacterClasses:
- Class: lowercase
min: 1
ZoneId1:
Type: String
AssociationProperty: 'ALIYUN::ECS::Instance::ZoneId'
AssociationPropertyMetadata:
ExclusiveTo:
- ZoneId2
Label:
en: Availability Zone
zh-cn: 可用区1
ZoneId2:
Type: String
AssociationProperty: 'ALIYUN::ECS::Instance::ZoneId'
AssociationPropertyMetadata:
ExclusiveTo:
- ZoneId1
Label:
en: Availability Zone
zh-cn: 可用区2
InstanceType:
Type: CommaDelimitedList
AssociationProperty: 'ALIYUN::ECS::Instance::InstanceType'
AssociationPropertyMetadata:
InstanceChargeType: PostPaid
SystemDiskCategory: cloud_essd
CreateACKClusterParams:
NetworkPlugin: terway-eniip
Label:
en: Instance Type
zh-cn: 实例规格
InstancePassword:
NoEcho: true
Type: String
Description:
en: >-
Server login password, Length 8-30, must contain three(Capital letters,
lowercase letters, numbers, ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ Special
symbol in)
zh-cn: >-
服务器登录密码,长度8-30，必须包含三项（大写字母、小写字母、数字、 ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/
中的特殊符号）
Label:
en: Instance Password
zh-cn: 实例密码
ConstraintDescription:
en: >-
Length 8-30, must contain three(Capital letters, lowercase letters,
numbers, ()`~!@#$%^&*_-+=|{}[]:;'<>,.?/ Special symbol in)
zh-cn: '长度8-30，必须包含三项（大写字母、小写字母、数字、 ()`~!@#$%^&*_-+=|{}[]:;''<>,.?/ 中的特殊符号）'
AssociationProperty: 'ALIYUN::ECS::Instance::Password'
Default: null
Resources:
Vpc:
Type: 'ALIYUN::ECS::VPC'
Properties:
CidrBlock: 10.0.0.0/8
VpcName:
Fn::Sub: ${CommonName}-vpc
VSwitch1:
Type: 'ALIYUN::ECS::VSwitch'
Properties:
VpcId:
Ref: Vpc
CidrBlock: 10.0.0.0/24
ZoneId:
Ref: ZoneId1
VSwitchName:
Fn::Sub: ${CommonName}-vsw
VSwitch2:
Type: 'ALIYUN::ECS::VSwitch'
Properties:
VpcId:
Ref: Vpc
CidrBlock: 10.0.1.0/24
ZoneId:
Ref: ZoneId2
VSwitchName:
Fn::Sub: ${CommonName}-vsw
SecurityGroup:
Type: 'ALIYUN::ECS::SecurityGroup'
Properties:
VpcId:
Ref: Vpc
SecurityGroupName:
Fn::Sub: ${CommonName}-sg
SecurityGroupIngress:
- PortRange: 443/443
SourceCidrIp: 0.0.0.0/0
IpProtocol: tcp
- PortRange: 80/80
SourceCidrIp: 0.0.0.0/0
IpProtocol: tcp
SlsProject:
Type: 'ALIYUN::SLS::Project'
Properties:
Name:
Ref: SlsProjectName
AliyunCSManagedAutoScalerRole:
Type: 'ALIYUN::RAM::Role'
Properties:
RoleName: AliyunCSManagedAutoScalerRole
Description: CS使用此角色来访问您在其他云产品中的资源。
AssumeRolePolicyDocument:
Version: '1'
Statement:
- Action: sts:AssumeRole
Effect: Allow
Principal:
Service:
- cs.aliyuncs.com
MaxSessionDuration: 3600
IgnoreExisting: true
DeletionForce: true
PolicyAttachments:
System:
- AliyunCSManagedAutoScalerRolePolicy
AckCluster:
Type: 'ALIYUN::CS::ManagedKubernetesCluster'
DependsOn: AliyunCSManagedAutoScalerRole
Properties:
VpcId:
Ref: Vpc
VSwitchIds:
- Ref: VSwitch1
- Ref: VSwitch2
PodVswitchIds:
- Ref: VSwitch1
- Ref: VSwitch1
Name:
Ref: ManagedKubernetesClusterName
KubernetesVersion: 1.31.1-aliyun.1
ServiceCidr: 192.168.0.0/16
ClusterSpec: ack.pro.small
LoadBalancerSpec: slb.s2.small
IsEnterpriseSecurityGroup: true
SnatEntry: true
NumOfNodes: 0
EndpointPublicAccess: true
Platform: AliyunLinux
Addons:
- Name: ack-node-local-dns
- Name: terway-eniip
Config: '{"IPVlan":"false","NetworkPolicy":"false","ENITrunking":"false"}'
- Name: csi-plugin
- Name: csi-provisioner
- Name: storage-operator
Config: '{"CnfsOssEnable":"false","CnfsNasEnable":"false"}'
- Name: nginx-ingress-controller
Disabled: true
- Name: logtail-ds
Config: '{"IngressDashboardEnabled":"true"}'
- Name: alb-ingress-controller
Version: ""
Config:
Fn::Sub: >-
{"albIngress":{"AddressType":"Internet","ZoneMappings":{"${ZoneId1}":["${VSwitch1}"],
"${ZoneId2}":["${VSwitch2}"]},"CreateDefaultALBConfig":true}}
- Name: ack-helm-manager
- Name: arms-prometheus
ProxyMode: ipvs
DeleteOptions:
- ResourceType: ALB
DeleteMode: delete
- ResourceType: SLB
DeleteMode: delete
- ResourceType: SLS_Data
DeleteMode: delete
- ResourceType: SLS_ControlPlane
DeleteMode: delete
- ResourceType: PrivateZone
DeleteMode: delete
NodePools:
Type: 'ALIYUN::CS::ClusterNodePool'
Properties:
ClusterId:
Ref: AckCluster
NodePoolInfo:
Name: k8s-hpa-cluster-nodepool
ScalingGroup:
VSwitchIds:
- Ref: VSwitch1
- Ref: VSwitch2
ZoneIds:
- Ref: ZoneId1
- Ref: ZoneId2
SystemDiskCategory: cloud_essd
SystemDiskPerformanceLevel: PL0
SystemDiskSize: 40
InstanceTypes:
Ref: InstanceType
LoginPassword:
Ref: InstancePassword
Platform: AliyunLinux
ImageId: aliyun_3_9_x64_20G_alibase_20231219.vhd
KubernetesConfig:
Runtime: containerd
RuntimeVersion: 1.6.28
AutoScaling:
Enable: true
MinInstances: 2
MaxInstances: 10
Sleep:
Type: 'ALIYUN::ROS::Sleep'
DependsOn: NodePools
Properties:
CreateDuration: 300
AckMetricsAdapter:
Type: 'ALIYUN::CS::ClusterHelmApplication'
DependsOn: Sleep
Properties:
Namespace: kube-system
ChartUrl: 'https://aliacs-app-catalog.oss-cn-hangzhou.aliyuncs.com/charts-incubator/ack-alibaba-cloud-metrics-adapter-1.3.3.tgz'
ClusterId:
Ref: AckCluster
Name: ack-alibaba-cloud-metrics-adapter
ChartValues:
AlibabaCloudMetricsAdapter:
commonLabels: ''
replicas: 1
resources:
metricsAdapterDeployment:
resources:
limits:
cpu: 0.5
memory: 1Gi
requests:
cpu: 100m
memory: 200Mi
configReloader:
resources:
limits:
cpu: 20m
memory: 30Mi
requests:
cpu: 20m
memory: 30Mi
listenPort: 443
costWeights:
cpu: '1.0'
memory: '0.0'
image:
repository: registry-cn-hangzhou-vpc.ack.aliyuncs.com/acs/alibaba-cloud-metrics-adapter-amd64
tag: v0.2.7-f1ee5c3-aliyun
pullPolicy: Always
nameOverride: ''
fullnameOverride: ''
service:
type: ClusterIP
serviceAccountName: ack-alibaba-cloud-metrics-adapter
annotations: { }
nodeSelector: { }
tolerations: [ ]
env:
- AccessKeyId: ''
- AccessKeySecret: ''
- Region: ''
affinity: { }
prometheus:
enabled: true
url: { }
metricsRelistInterval: 1m
logLevel: 5
adapter:
rules:
default: false
custom:
- seriesQuery: container_memory_working_set_bytes{namespace!="",pod!=""}
resources:
overrides:
namespace:
resource: namespace
pod:
resource: pod
name:
matches: ^(.*)_bytes
as: ${1}_bytes_per_second
metricsQuery: sum(<<.Series>>{<<.LabelMatchers>>}) by (<<.GroupBy>>)
- seriesQuery: container_cpu_usage_seconds_total{namespace!="",pod!=""}
resources:
overrides:
namespace:
resource: namespace
pod:
resource: pod
name:
matches: ^(.*)_seconds_total
as: ${1}_core_per_second
metricsQuery: sum(rate(<<.Series>>{<<.LabelMatchers>>}[1m])) by (<<.GroupBy>>)
ConfigReloader:
image:
repository: registry-vpc.cn-hangzhou.aliyuncs.com/acs/configmap-reload
tag: v0.0.1
InstallBackendApp:
Type: 'ALIYUN::CS::ClusterApplication'
DependsOn: AckMetricsAdapter
Properties:
ClusterId:
Ref: AckCluster
YamlContent:
Fn::Sub: |-
apiVersion: apps/v1
kind: Deployment
metadata:
name: coffee
spec:
replicas: 2
selector:
matchLabels:
app: coffee
template:
metadata:
labels:
app: coffee
spec:
containers:
- name: coffee
image: registry.${ALIYUN::Region}.aliyuncs.com/acs-sample/nginxdemos:latest
ports:
- containerPort: 80
resources:
limits:
cpu: 500m
memory: 1Gi
requests:
cpu: 500m
memory: 512Mi
---
apiVersion: v1
kind: Service
metadata:
name: coffee-svc
spec:
ports:
- port: 80
targetPort: 80
protocol: TCP
selector:
app: coffee
type: NodePort
---
apiVersion: apps/v1
kind: Deployment
metadata:
name: tea
spec:
replicas: 2
selector:
matchLabels:
app: tea
template:
metadata:
labels:
app: tea
spec:
containers:
- name: tea
image: registry.${ALIYUN::Region}.aliyuncs.com/acs-sample/nginxdemos:latest
ports:
- containerPort: 80
resources:
limits:
cpu: 500m
memory: 1Gi
requests:
cpu: 500m
memory: 512Mi
---
apiVersion: v1
kind: Service
metadata:
name: tea-svc
spec:
ports:
- port: 80
targetPort: 80
protocol: TCP
selector:
app: tea
type: NodePort
AlbConfig:
Type: 'ALIYUN::CS::ClusterApplication'
DependsOn: InstallBackendApp
Properties:
ClusterId:
Ref: AckCluster
YamlContent:
Fn::Sub: |-
apiVersion: alibabacloud.com/v1
kind: AlbConfig
metadata:
name: k8s-hpa-alb-config
spec:
config:
name: k8s-hpa-alb
addressType: Internet
zoneMappings:
- vSwitchId: ${VSwitch1}
- vSwitchId: ${VSwitch2}
accessLogConfig:
logProject: ${SlsProject}
logStore: "alb_k8s_hpa_sls_logstore"
listeners:
- port: 80
protocol: HTTP
IngressClass:
Type: 'ALIYUN::CS::ClusterApplication'
DependsOn: AlbConfig
Properties:
ClusterId:
Ref: AckCluster
YamlContent:
Fn::Sub: |-
apiVersion: networking.k8s.io/v1
kind: IngressClass
metadata:
name: k8s-hpa-alb-ingress-class
spec:
controller: ingress.k8s.alibabacloud/alb
parameters:
apiGroup: alibabacloud.com
kind: AlbConfig
name: k8s-hpa-alb-config
Ingress:
Type: 'ALIYUN::CS::ClusterApplication'
DependsOn: IngressClass
Properties:
ClusterId:
Ref: AckCluster
YamlContent:
Fn::Sub: |-
apiVersion: networking.k8s.io/v1
kind: Ingress
metadata:
name: k8s-hpa-alb-ingress
spec:
ingressClassName: k8s-hpa-alb-ingress-class
rules:
- http:
paths:
- path: /tea
pathType: ImplementationSpecific
backend:
service:
name: tea-svc
port:
number: 80
- path: /coffee
pathType: ImplementationSpecific
backend:
service:
name: coffee-svc
port:
number: 80
Hpa:
Type: 'ALIYUN::CS::ClusterApplication'
DependsOn: WaitAlbIngress
Properties:
ClusterId:
Ref: AckCluster
YamlContent:
Fn::Sub: |-
apiVersion: autoscaling/v2
kind: HorizontalPodAutoscaler
metadata:
name: k8s-alb-tea-hpa
spec:
scaleTargetRef:
apiVersion: apps/v1
kind: Deployment
name: tea
minReplicas: 2
maxReplicas: 10
metrics:
- type: External
external:
metric:
name: sls_alb_ingress_qps
selector:
matchLabels:
sls.project: ${SlsProject}
sls.logstore: "alb_k8s_hpa_sls_logstore"
sls.ingress.route: "default-tea-svc-80"
target:
type: AverageValue
averageValue: 2
- resource:
name: cpu
target:
averageUtilization: 80
type: Utilization
type: Resource
- resource:
name: memory
target:
averageUtilization: 80
type: Utilization
type: Resource
WaitAlbIngress:
Type: 'ALIYUN::ROS::Sleep'
DependsOn: Ingress
Properties:
CreateDuration: 120
IngressInfo:
Type: 'DATASOURCE::CS::ClusterApplicationResources'
DependsOn: WaitAlbIngress
Properties:
ClusterId:
Ref: AckCluster
Kind: Ingress
Namespace: default
JsonPath: $.items.[0].status.loadBalancer.ingress.[0].hostname
FirstMatch: true
Outputs:
TeaUrl:
Description:
zh-cn: tea服务访问地址。
en: The addresses of tea service.
Value:
'Fn::Sub': http://${IngressInfo}/tea
CoffeeUrl:
Description:
zh-cn: coffee服务访问地址。
en: The addresses of coffee service.
Value:
'Fn::Sub': http://${IngressInfo}/coffee
Metadata:
'ALIYUN::ROS::Interface':
ParameterGroups:
- Parameters:
- SlsProjectName
- ManagedKubernetesClusterName
- ZoneId1
- ZoneId2
- InstanceType
- InstancePassword
TemplateTags:
- acs:technical-solution:micro:通过HPA实现容器应用的水平弹性伸缩-tech_solu_125
Hidden:
- CommonName
ALIYUN::ROS::Composer:
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ResT: Composer::ROSParameter::AlibabaCloud
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ResT: Composer::ROSParameter::Region
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c46daf06:
Res:
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adee4738:
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ResT: Composer::ROSParameter::Zone
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