Downloaded 36 times
![Command structure
aws [options] <command>
<subcommand> [parameters]](https://image.slidesharecdn.com/awscli-150529175037-lva1-app6891/85/Deep-Dive-into-AWS-CLI-the-command-line-interface-7-320.jpg)
![JMESpath
• A short diversion
• Visit JMESpath.org
• Iteration
• [0]
• [*]
• []
• ?
• Demo – python syntax
– Try out some of the
examples on the tutorial](https://image.slidesharecdn.com/awscli-150529175037-lva1-app6891/85/Deep-Dive-into-AWS-CLI-the-command-line-interface-18-320.jpg)
![Filtering the results
• aws ec2 describe-volumes
– Leverage head -10
• aws ec2 describe-volumes --query
'Volumes[0]’
• aws ec2 describe-volumes --query
'Volumes[*].{ID:VolumeId,AZ:AvailabilityZone,
Size:Size}'](https://image.slidesharecdn.com/awscli-150529175037-lva1-app6891/85/Deep-Dive-into-AWS-CLI-the-command-line-interface-20-320.jpg)
![Filtering results some more
• Chained keys such as
key1.key2[0].key3
• Attachments[0].InstanceId
• aws ec2 describe-volumes --query
'Volumes[*].{ID:VolumeId,InstanceId:Attachm
ents[0].InstanceId,AZ:AvailabilityZone,Size:Siz
e}’](https://image.slidesharecdn.com/awscli-150529175037-lva1-app6891/85/Deep-Dive-into-AWS-CLI-the-command-line-interface-21-320.jpg)
![Filtering multiple elements
• Use the list notation: [key1,
key2]
• aws ec2 describe-volumes --query
'Volumes[*].[VolumeId,
Attachments[0].InstanceId, AvailabilityZone,
Size]'](https://image.slidesharecdn.com/awscli-150529175037-lva1-app6891/85/Deep-Dive-into-AWS-CLI-the-command-line-interface-22-320.jpg)
![Filter by value of a field
• Use the JMESPath "?"
operator
• Note the backticks
• aws ec2 describe-volumes --query
'Volumes[?AvailabilityZone==`us-east-1d`]'](https://image.slidesharecdn.com/awscli-150529175037-lva1-app6891/85/Deep-Dive-into-AWS-CLI-the-command-line-interface-23-320.jpg)
![Command structure
aws [options] <command>
<subcommand> [parameters]](https://image.slidesharecdn.com/awscli-150529175037-lva1-app6891/75/Deep-Dive-into-AWS-CLI-the-command-line-interface-7-2048.jpg)
![JMESpath
• A short diversion
• Visit JMESpath.org
• Iteration
• [0]
• [*]
• []
• ?
• Demo – python syntax
– Try out some of the
examples on the tutorial](https://image.slidesharecdn.com/awscli-150529175037-lva1-app6891/75/Deep-Dive-into-AWS-CLI-the-command-line-interface-18-2048.jpg)
![Filtering the results
• aws ec2 describe-volumes
– Leverage head -10
• aws ec2 describe-volumes --query
'Volumes[0]’
• aws ec2 describe-volumes --query
'Volumes[*].{ID:VolumeId,AZ:AvailabilityZone,
Size:Size}'](https://image.slidesharecdn.com/awscli-150529175037-lva1-app6891/75/Deep-Dive-into-AWS-CLI-the-command-line-interface-20-2048.jpg)
![Filtering results some more
• Chained keys such as
key1.key2[0].key3
• Attachments[0].InstanceId
• aws ec2 describe-volumes --query
'Volumes[*].{ID:VolumeId,InstanceId:Attachm
ents[0].InstanceId,AZ:AvailabilityZone,Size:Siz
e}’](https://image.slidesharecdn.com/awscli-150529175037-lva1-app6891/75/Deep-Dive-into-AWS-CLI-the-command-line-interface-21-2048.jpg)
![Filtering multiple elements
• Use the list notation: [key1,
key2]
• aws ec2 describe-volumes --query
'Volumes[*].[VolumeId,
Attachments[0].InstanceId, AvailabilityZone,
Size]'](https://image.slidesharecdn.com/awscli-150529175037-lva1-app6891/75/Deep-Dive-into-AWS-CLI-the-command-line-interface-22-2048.jpg)
![Filter by value of a field
• Use the JMESPath "?"
operator
• Note the backticks
• aws ec2 describe-volumes --query
'Volumes[?AvailabilityZone==`us-east-1d`]'](https://image.slidesharecdn.com/awscli-150529175037-lva1-app6891/75/Deep-Dive-into-AWS-CLI-the-command-line-interface-23-2048.jpg)
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Deep Dive into AWS CLI - the command line interface
- 1. aws cli Deep diveinto the aws command line interface John Varghese – Devops Architect at Yuzu May 20, 2015
- 2. Pro Tip • Whenstarting a presentation – Turn off notifications – Quit iMessages – Quit your IM – Quit Outlook
- 3. Who is usingit today? • Please raise you hand
- 4. What is aws-cli? •A unified tool • It provides a consistent interface for interacting with all parts of AWS
- 5. Installation • Without brew(on *nix) – Install python 2.x. – Python 3.x will not work – wget, unzip, execute awscli-bundle.zip • With homebrew – brew install awscli
- 6. aws help • Showsyou the basic meta parameters that are independent of the actual service/command, or sub command. • These meta parameters are also called options
- 7. Command structure aws [options]<command> <subcommand> [parameters]
- 8. Some aws commands •cloudformation • configure • ec2 • elb • rds • route53 • cloudwatch • dynamodb • elasticache • redshift • s3api • And all the rest…
- 9. Got oh-my-zsh? Add theplugin (awscli) I just added it yesterday after all this time. It is awesome!
- 10. Auto-complete Both bash andzsh have auto- complete for aws cli
- 11. When you runinto issues Use the option --debug
- 12.
- 13. AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY Use these EnvironmentVariables to override the configuration settings. There are a half dozen such variables.
- 14. Output formats • Json •Text • Table • --output • Demo command – aws cloudformation list- stack-resources --stack- name yuzu-es-dev-stack
- 15. Parameters via json •aws cloudformation list-stack- resources --stack-name yuzu-es- dev-stack --generate-cli-skeleton • aws cloudformation list-stack- resources --cli-input-json file://x.json
- 16. --dry-run Just validate thecommand Also --no-dry-run Default behaviour
- 17. describe-regions with --dry-run awsec2 describe-regions --generate-cli- skeleton > x.json aws ec2 describe-regions --cli-input-json file://x.json A contrived example
- 18. JMESpath • A shortdiversion • Visit JMESpath.org • Iteration • [0] • [*] • [] • ? • Demo – python syntax – Try out some of the examples on the tutorial
- 19. --query Use this tofilter the results. Demo commands on following slides
- 20. Filtering the results •aws ec2 describe-volumes – Leverage head -10 • aws ec2 describe-volumes --query 'Volumes[0]’ • aws ec2 describe-volumes --query 'Volumes[*].{ID:VolumeId,AZ:AvailabilityZone, Size:Size}'
- 21. Filtering results somemore • Chained keys such as key1.key2[0].key3 • Attachments[0].InstanceId • aws ec2 describe-volumes --query 'Volumes[*].{ID:VolumeId,InstanceId:Attachm ents[0].InstanceId,AZ:AvailabilityZone,Size:Siz e}’
- 22. Filtering multiple elements •Use the list notation: [key1, key2] • aws ec2 describe-volumes --query 'Volumes[*].[VolumeId, Attachments[0].InstanceId, AvailabilityZone, Size]'
- 23. Filter by valueof a field • Use the JMESPath "?" operator • Note the backticks • aws ec2 describe-volumes --query 'Volumes[?AvailabilityZone==`us-east-1d`]'