AWS/Bash-my-AWS

Install

{{Note:bma support for assumed roles setup within ~/.aws/config requires setting profile via environment variable eg. export AWS_PROFILE=dev as --profile flag is not supported or just not working for me}}

Pipe-Skimming

instances

$ instances | instance-asg | asg-capacity
grafana-bma-AutoScalingGroup-1NXJHMJVZQVMB  1  1  2
huginn-bma-AutoScalingGroup-QS7EQOT1G7OX    1  1  2
nginx-bma-AutoScalingGroup-106KHAYHUSRHU    1  1  2

ASGs resize, rolling update

# Get list of ASGs you wish to resize
$ asgs | grep dev-asg
dev-asg-ai-spot-12020082510030522560000001d         dev-asg-ai-spot-1-eks_asg         2020-08-25T10:03:05.798Z  eu-west-1a,eu-west-1b,eu-west-1c
dev-asg-ga-spot-120200825100305284100000020         dev-asg-ga-spot-1-eks_asg         2020-08-25T10:03:05.841Z  eu-west-1a,eu-west-1b,eu-west-1c
dev-asg-ai-spot-22020082510030527670000001e         dev-asg-ai-spot-2-eks_asg         2020-08-25T10:03:05.843Z  eu-west-1a,eu-west-1b,eu-west-1c
dev-asg-ga-spot-220200825100305292100000021         dev-asg-ga-spot-2-eks_asg         2020-08-25T10:03:05.851Z  eu-west-1a,eu-west-1b,eu-west-1c
dev-asg-on-demand-12020082510030527990000001f       dev-asg-on-demand-1-eks_asg       2020-08-25T10:03:05.948Z  eu-west-1a,eu-west-1b,eu-west-1c

# Show current capacity
$ asgs | grep dev-asg | asg-capacity
dev-asg-ai-spot-12020082510030522560000001d    1  1  5
dev-asg-ai-spot-22020082510030527670000001e    1  1  5
dev-asg-ga-spot-120200825100305284100000020    1  1  5
dev-asg-ga-spot-220200825100305292100000021    1  1  5
dev-asg-on-demand-12020082510030527990000001f  1  1  5

# Set minimum
$ asgs | grep dev-asg | asg-min-size-set 0
$ asgs | grep dev-asg | asg-capacity
dev-asg-ai-spot-12020082510030522560000001d    0  1  5
dev-asg-ai-spot-22020082510030527670000001e    0  1  5
dev-asg-ga-spot-120200825100305284100000020    0  1  5
dev-asg-ga-spot-220200825100305292100000021    0  1  5
dev-asg-on-demand-12020082510030527990000001f  0  1  5

# Set desired number
$ asgs | grep dev-asg | asg-desired-size-set 0
$ asgs | grep dev-asg | asg-capacity
dev-asg-ai-spot-12020082510030522560000001d    0  0  5
dev-asg-ai-spot-22020082510030527670000001e    0  0  5
dev-asg-ga-spot-120200825100305284100000020    0  0  5
dev-asg-ga-spot-220200825100305292100000021    0  0  5
dev-asg-on-demand-12020082510030527990000001f  0  0  5

# Watch activity
$ asgs | grep dev-asg | asg-scaling-activities
{
    "Activities": [
        {
            "ActivityId": "eb9e4def-62c7-479f-8d64-2352763d5780",
            "AutoScalingGroupName": "dev-asg-ai-spot-12020082510030522560000001d",
            "Description": "Terminating EC2 instance: i-0fd2b8d88133aaaaa",
            "Cause": "At 2020-08-25T21:27:51Z a user request explicitly set group desired capacity changing the desired capacity from 1 to 0.  At 2020-08-25T21:28:03Z an instance was taken out of service in response to a difference between desired and actual capacity, shrinking the capacity from 1 to 0.  At 2020-08-25T21:28:03Z instance i-0fd2b8d88133aaaaa was selected for termination.",
            "StartTime": "2020-08-25T21:28:03.588Z",
            "StatusCode": "InProgress",
            "Progress": 50,
            "Details": "{\"Subnet ID\":\"subnet-aaaaaad7a79baaaaa\",\"Availability Zone\":\"eu-west-1a\"}"
        },
...

# Set minimum and desired count back as it was
$ asgs | grep dev-asg | asg-desired-size-set 1
$ asgs | grep dev-asg | asg-capacity
dev-asg-ai-spot-12020082510030522560000001d    0  1  5
dev-asg-ai-spot-22020082510030527670000001e    0  1  5
dev-asg-ga-spot-120200825100305284100000020    0  1  5
dev-asg-ga-spot-220200825100305292100000021    0  1  5
dev-asg-on-demand-12020082510030527990000001f  0  1  5

References

• command-reference