ameir/ecs-daemonset
ameir
自动构建
这是一个ECS调度工具，实现类似Kubernetes DaemonSet的功能，确保特定容器在集群每个节点上运行并自动恢复，解决传统ECS任务失败后无法重启的问题。
下载次数: 0状态：自动构建维护者：ameir仓库类型：镜像最近更新：8 年前
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ecs-daemonset
在ECS集群的每个实例上部署特定容器。
ECS是Docker的轻量封装，但在生产环境中长期使用会发现其功能不够完善。Kubernetes有DaemonSet概念，即在集群每个节点运行一个或一组容器。在ECS中，传统解决方案是通过userdata使用aws-cli启动任务，但任务失败或停止后无法自动重启，且userdata脚本若前面步骤失败则不会尝试启动任务。ecs-daemonset可解决这些问题。
使用时需创建带distinctInstance放置约束的服务，并添加ECS_DAEMONSET=true的Docker标签。
需设置的变量
| 变量 | 描述 | 默认值 |
|---|---|---|
AWS_REGION | ECS集群所在的AWS区域 | us-east-1 |
ECS_CLUSTER_NAME | 要轮询的ECS集群名称 | default |
RESOURCE_CHECK_INTERVAL | 轮询ECS集群的间隔（秒） | 60 |
ecs-daemonset的CloudFormation示例模板
按需更新：
yaml"EcsDaemonsetIamRole": { "Type": "AWS::IAM::Role", "Properties": { "AssumeRolePolicyDocument": { "Version": "2012-10-17", "Statement": [ { "Effect": "Allow", "Principal": { "Service": [ "ecs-tasks.amazonaws.com" ] }, "Action": [ "sts:AssumeRole" ] } ] }, "Policies": [ { "PolicyName": "ClusterInstancePolicy", "PolicyDocument": { "Version": "2012-10-17", "Statement": [ { "Effect": "Allow", "Action": [ "ecs:List*", "ecs:Describe*", "ecs:UpdateService" ], "Resource": "*" } ] } } ] } }, "EcsTaskDefinitionEcsDaemonsetEcsClusterProduction": { "Type": "AWS::ECS::TaskDefinition", "Properties": { "TaskRoleArn": { "Ref": "EcsDaemonsetIamRole" }, "ContainerDefinitions": [ { "Name": "ecs-daemonset-ecs-cluster-production", "Image": "ameir/ecs-daemonset:latest", "Cpu": "64", "Memory": "128", "Environment": [ { "Name": "AWS_REGION", "Value": "us-east-1" }, { "Name": "ECS_CLUSTER_NAME", "Value": { "Ref": "EcsClusterProductionEcsCluster" } } ], "Essential": "true", "LogConfiguration": { "LogDriver": "awslogs", "Options": { "awslogs-group": { "Ref": "EcsClusterProductionCloudwatchLogGroup" }, "awslogs-region": "us-east-1", "awslogs-stream-prefix": "ecs-daemonset" } } } ] } }, "EcsDaemonsetEcsServiceEcsClusterProduction": { "Type": "AWS::ECS::Service", "Properties": { "Cluster": { "Ref": "EcsClusterProductionEcsCluster" }, "TaskDefinition": { "Ref": "EcsTaskDefinitionEcsDaemonsetEcsClusterProduction" }, "DesiredCount": 1 } },
DaemonSet服务的CloudFormation示例模板（以Datadog为例）
yaml"datadogIamRole": { "Type": "AWS::IAM::Role", "Properties": { "AssumeRolePolicyDocument": { "Version": "2012-10-17", "Statement": [ { "Effect": "Allow", "Principal": { "Service": [ "ecs-tasks.amazonaws.com" ] }, "Action": [ "sts:AssumeRole" ] } ] }, "Policies": [ { "PolicyName": "ClusterInstancePolicy", "PolicyDocument": { "Version": "2012-10-17", "Statement": [ { "Effect": "Allow", "Action": [ "ecs:RegisterContainerInstance", "ecs:DeregisterContainerInstance", "ecs:DiscoverPollEndpoint", "ecs:Submit*", "ecs:Poll", "ecs:StartTask", "ecs:StartTelemetrySession" ], "Resource": "*" } ] } } ] } }, "datadogTaskDefinition": { "Type": "AWS::ECS::TaskDefinition", "Properties": { "TaskRoleArn": { "Ref": "datadogIamRole" }, "ContainerDefinitions": [ { "Name": "datadog", "Image": "datadog/docker-dd-agent:latest", "Cpu": 10, "Memory": 512, "Essential": true, "LogConfiguration": { "LogDriver": "awslogs", "Options": { "awslogs-group": { "Ref": "EcsClusterProductionCloudwatchLogGroup" }, "awslogs-region": "us-east-1", "awslogs-stream-prefix": "docker-dd-agent" } }, "MountPoints": [ { "ContainerPath": "/var/run/docker.sock", "SourceVolume": "docker_sock" }, { "ContainerPath": "/host/sys/fs/cgroup", "SourceVolume": "cgroup", "ReadOnly": true }, { "ContainerPath": "/host/proc", "SourceVolume": "proc", "ReadOnly": true } ], "Environment": [ { "Name": "API_KEY", "Value": "xxxxx" }, { "Name": "SD_BACKEND", "Value": "docker" } ], "DockerLabels": { "ECS_DAEMONSET": true } } ], "Volumes": [ { "Host": { "SourcePath": "/var/run/docker.sock" }, "Name": "docker_sock" }, { "Host": { "SourcePath": "/proc/" }, "Name": "proc" }, { "Host": { "SourcePath": "/cgroup/" }, "Name": "cgroup" } ], "Family": "datadog-ecs-cluster-production" } }, "DatadogEcsServiceEcsClusterProduction": { "Type": "AWS::ECS::Service", "Properties": { "Cluster": { "Ref": "EcsClusterProductionEcsCluster" }, "TaskDefinition": { "Ref": "datadogTaskDefinition" }, "DesiredCount": 1, "PlacementConstraints": [ { "Type": "distinctInstance" } ], "DeploymentConfiguration": { "MaximumPercent": 100, "MinimumHealthyPercent": 0 } } },
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