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chore(aws/ecs): review executing commands in tasks' containers

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This commit is contained in:
Michele Cereda
2025-05-02 22:05:55 +02:00
parent 6ed8b74636
commit 62427336ef
2 changed files with 24 additions and 14 deletions
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34
knowledge base/cloud computing/aws/ecs.md
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@@ -401,7 +401,7 @@ Whe whole procedure is transparent and does **not** compel requirements changes
Requirements:
- The required SSM components must be available on the EC2 instances hosting the container.
Amazon's ECS optimized AMI and Fargate 1.4 include their latest version already.
Amazon's ECS optimized AMI and Fargate 1.4.0+ include their latest version already.
- The container's image must have `script` and `cat` installed.<br/>
Required in order to have command logs uploaded correctly to S3 and/or CloudWatch.
- The task's role (**not** the Task's _execution_ role) must have specific permissions assigned.
@@ -438,26 +438,32 @@ Requirements:
"logs:DescribeLogStreams",
"logs:PutLogEvents"
],
"Resource": "arn:aws:logs:eu-west-1:012345678901:log-group:/ecs/log-group-name:*"
"Resource": [
"arn:aws:logs:eu-west-1:012345678901:log-group:log-group-name",
"arn:aws:logs:eu-west-1:012345678901:log-group:log-group-name:log-stream:log-stream-name"
]
},
{
"Sid": "OptionalGlobalS3Permissions",
"Sid": "OptionalS3PermissionsIfSSMRecordsLogsInBuckets",
"Effect": "Allow",
"Action": "s3:GetEncryptionConfiguration",
"Resource": "arn:aws:s3:::ecs-exec-bucket"
"Action": [
"s3:GetEncryptionConfiguration",
"s3:PutObject"
],
"Resource": [
"arn:aws:s3:::ecs-exec-bucket",
"arn:aws:s3:::ecs-exec-bucket/session-logs/*"
]
},
{
"Sid": "OptionalSpecificS3Permissions",
"Sid": "OptionalKMSPermissionsIfSSMRecordsLogsInEncryptedBuckets",
"Effect": "Allow",
"Action": "s3:PutObject",
"Resource": "arn:aws:s3:::ecs-exec-bucket/*"
},
{
"Sid": "OptionalKMSPermissions",
"Effect": "Allow",
"Action": "kms:Decrypt",
"Action": [
"kms:Decrypt",
"kms:GenerateDataKey"
],
"Resource": "arn:aws:kms:eu-west-1:012345678901:key/abcdef01-2345-6789-abcd-ef0123456789"
}
},
]
}
```

4
snippets/aws/other commands.fish
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@@ -169,6 +169,10 @@ aws ecs execute-command --cluster 'staging' --task 'e242654518cf42a7be13a8551e0b
--interactive --command 'nc -vz 127.0.0.1 28080'
aws ecs execute-command --cluster 'staging' --task '0123456789abcdefghijklmnopqrstuv' --container 'pihole' \
--interactive --command "dd if=/dev/zero of=/spaceHogger count=16048576 bs=1024"
# Execute commands in tasks given their service name
aws ecs list-tasks --cluster 'staging' --service-name 'prometheus' --query 'taskArns' --output 'text' \
| xargs -I '%%' aws ecs execute-command --cluster 'staging' --task '%%' --container 'prometheus' \
--interactive --command 'nc -vz 127.0.0.1 9090'
# Stop tasks given a service name
aws ecs list-tasks --cluster 'staging' --service-name 'mimir' --query 'taskArns' --output 'text' \