[英]Does the SDK for AWS personalize work with Ruby?
我正在 docker 容器內的 ruby on rails 應用程序中設置 Web 客戶端,我希望它使用 Amazon Personalize SDK。 該文檔是為 Python 和 AWS CLI 編寫的。 我正在使用 Net::HTTP 庫在 ruby 中編寫示例請求並遇到問題。
目前我的請求返回一個 403 和一個<InvalidSignatureException> <Message>Credential should be scoped to correct service: 'personalize'. </Message>
<InvalidSignatureException> <Message>Credential should be scoped to correct service: 'personalize'. </Message>
錯誤。 我認為我的問題是我沒有使用正確的host
但是,當我捆綁aws-sdk
gem 時,我看到許多aws-sdk
gem 被捆綁在一起,看起來像aws-sdk-#{name_of_aws_service}
,但沒有aws-sdk-personalize
。 所以我的問題是,這是為什么? 我試圖用 Ruby 做這件事是不是找錯了樹? 我需要學習 Python 嗎?
host = # removed because SO
service = 'es'
region = '' #removed because SO
signer = Aws::Sigv4::Signer.new(
service: service,
region: region,
access_key_id: ENV['AWS_ACCESS_KEY_ID'],
secret_access_key: ENV['AWS_SECRET_ACCESS_KEY']
)
document = {
# removed because SO
}
signature = signer.sign_request(
http_method: 'PUT',
url: host,
body: document.to_json
)
uri = URI(host)
Net::HTTP.start(uri.host, uri.port, :use_ssl => true) do |http|
request = Net::HTTP::Put.new uri
request.body = document.to_json
request['Host'] = signature.headers['host']
request['X-Amz-Date'] = signature.headers['x-amz-date']
request['X-Amz-Security-Token'] = signature.headers['x-amz-security-token']
request['X-Amz-Content-Sha256']= signature.headers['x-amz-content-sha256']
request['Authorization'] = signature.headers['authorization']
request['Content-Type'] = 'application/json'
response = http.request request
puts response.code
puts response.body
end
我仔細閱讀文檔得到的答案是否定的。 而且 AWS Personalize 無論如何都不適用於一般發布。 所以我要把它標記為已解決並繼續。
另一種解決方案是使用這個 gem,假設您有密鑰 ID、密鑰和會話令牌
https://github.com/winebarrel/faraday_middleware-aws-sigv4
conn = Faraday.new(url: API_BASE_URL) do |faraday|
faraday.request :aws_signers_v4,
credentials: Aws::Credentials.new(response["access_key_id"], response["secret_key"], response["session_token"]),
service_name: 'execute-api',
region: 'us-east-1'
faraday.adapter Faraday.default_adapter
end
puts conn.headers
response = conn.post('/orders') do |req|
req.headers['Content-Type'] = 'application/json'
end
puts response.body
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