How to use awscli inside ruby script?

Question

I have a awscli command to upload content to s3 bucket. I need to run this command on a ruby script. The command works when executed in terminal. I tried using several methods like backticks and Kernel#system.

value = `aws s3 cp #{published_files} s3://example_bucket/#{meeting_id} --recursive --region us-west-2`

But none of them seem to execute the task. Can anyone suggest any way? It would be of great help

Have you tried AWS Ruby client docs.aws.amazon.com/sdkforruby/api/Aws/S3/Client.html ? Could you please specify what do you have stderr/stdout while executing from the Ruby script? Do you execute the script in the same environment where you run the awscli command? — Yann
– Yann, Commented Jun 27, 2019 at 14:40
@Yann This script is run as a result of finishing an online classroom where the script would receive the path to the recording of the classroom. I need to upload the recording to the bucket. I executed the command in the same server. — Yasith Prabuddhaka
– Yasith Prabuddhaka, Commented Jun 27, 2019 at 16:26
@Yann I do not need the response. I just need this cli command to run. — Yasith Prabuddhaka
– Yasith Prabuddhaka, Commented Jun 27, 2019 at 16:29
The response may content the actual error that happens while trying to execute the command. Kernel#system should work. Try these debug steps: execute the command in irb, try simple aws commands without parameters like aws s3api list-buckets, print the aws command with inserted parameters and verify they are correct. — Yann
– Yann, Commented Jun 27, 2019 at 18:43

Banjo Obayomi · Accepted Answer · 2019-06-27 14:42:54Z

1

Use the sdk instead as it has native support for using s3 https://github.com/aws/aws-sdk-ruby

The API docs are listed here https://docs.aws.amazon.com/sdk-for-ruby/v3/api/Aws/S3.html

answered Jun 27, 2019 at 14:42

Banjo Obayomi

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4 Comments

Yasith Prabuddhaka Over a year ago

I need to upload a folder which is quite hard to achieve through the sdk. This cli command should work if I'm able to execute it from the ruby script.

Banjo Obayomi Over a year ago

then have the ruby script call a bash script with your command in the script

Yasith Prabuddhaka Over a year ago

any idea on how to call a bash script from ruby script?

Banjo Obayomi Over a year ago

rubyguides.com/2018/12/ruby-system system(bash /path/to/your/script)

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