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@mattsan
Created August 22, 2020 09:25
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AWS EC2 インスタンスの状態を調べる
#!/usr/bin/env ruby
require 'aws-sdk-ec2'
require 'thor'
class Ec2Stat < Thor
default_command :stat
desc :stat, 'show statuses of ec2 instances'
option :profile, aliases: '-p', default: 'default'
def stat
# Class: Aws::EC2::Client — AWS SDK for Ruby V3
# https://docs.aws.amazon.com/sdk-for-ruby/v3/api/Aws/EC2/Client.html
client = Aws::EC2::Client.new(profile: profile)
# https://docs.aws.amazon.com/sdk-for-ruby/v3/api/Aws/EC2/Client.html#describe_instances-instance_method
response = client.describe_instances
puts
puts <<~EOS
launch-time name state image-id instance-id
------------------------------------------------------------------------------------------------------------------------
EOS
puts response.reservations.map {|reservation|
instances = reservation.instances.select {|instance|
instance.tags.any? {|tag|
tag.key == 'Name' && tag.value =~ /^(production|staging)-.*$/
}
}
instances.map {|instance|
instance_id = instance.instance_id
image_id = instance.image_id
launch_time = instance.launch_time
state = instance.state
name = instance.tags.find {|tag| tag.key == 'Name' }.value
format(' %-25s %-20s %-20s %-22s %s', launch_time.localtime, name, state.name, image_id, instance_id)
}
}.flatten.sort
puts
end
no_commands do
def profile
options[:profile]
end
end
end
Ec2Stat.start
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