AWS/ContainersEcsFargate

• Great aws diagram from https://jessicadeen.com/

  • ECS-Info-Graphic

• If container deployed to ECS with role, that allows SSM connectivity and the execute permisson, login with

  aws ecs execute-command --profile <accountcredentials> --cluster <ecs-cluster-name> --task <89b..ed5 --container <name> --command "/bin/bash" --interactive

Get Ecs container environment info

• Curl $ECS_CONTAINER_METADATA_URI_V4

  # curl -s $ECS_CONTAINER_METADATA_URI_V4
  
  {"DockerId":"7c6e...658",
  "Name":"uiweb","DockerName":"uiweb",
  "Image":"666...444.dkr.ecr.ap-southeast-2.amazonaws.com/uiweb:20220101_cccc",
  "ImageID":"sha256:01...772c",
  "Labels":{"com.amazonaws.ecs.cluster":"arn:aws:ecs:ap-southeast-2:0123456789:cluster/uiweb",
            "com.amazonaws.ecs.container-name":"uiweb",
            "com.amazonaws.ecs.task-arn":"arn:aws:ecs:ap-southeast-2:0123456789:task/uiweb/7c6...b9",
            "com.amazonaws.ecs.task-definition-family":"ui_web_dev",
            "com.amazonaws.ecs.task-definition-version":"50"
           },
  "DesiredStatus":"RUNNING",
  "KnownStatus":"RUNNING",
  "Limits":{"CPU":2},
  "CreatedAt":"2022-05-11T02:33:06.211176119Z",
  "StartedAt":"2022-05-11T02:33:06.211176119Z",
  "Type":"NORMAL",
  "Health":{"status":"HEALTHY","statusSince":"2022-05-11T02:33:07.830012145Z",
            "output":"  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current\n
            Dload  Upload   Total   Spent    Left  Speed\n\r
            0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0\r
            100   644  100   644    0     0   8702      0 --:--:-- --:--:-- --:--:--  8702\n"},
  "Networks":[{"NetworkMode":"awsvpc","IPv4Addresses":["10.11.11.40"],
  "AttachmentIndex":0,"MACAddress":"06:b8:e5:4f:da:30",
  "IPv4SubnetCIDRBlock":"10.11.11.0/24",
  "DomainNameServers":["10.11.11.2"],
  "DomainNameSearchList":["ap-southeast-2.compute.internal"],
  "PrivateDNSName":"ip-10-11-31-41.ap-southeast-2.compute.internal","SubnetGatewayIpv4Address":"10.11.11.1/24"}],
  "ContainerARN":"arn:aws:ecs:ap-southeast-2:0123456789:container/uiweb/7c6...0be0",
  "LogOptions":{
                "awslogs-group":"/aws/ecs/ui_web",
                "awslogs-region":"ap-southeast-2",
                 "awslogs-stream":"ui-web/ui-web/7c...9b9"
  },
  "LogDriver":"awslogs"}