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Ruby

S3 Add Tags to an Object

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Demonstrates how to add one or more tags to an S3 object.

Chilkat Ruby Downloads

Ruby
require 'chilkat'

success = false

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

rest = Chilkat::CkRest.new()

# Connect to the Amazon AWS REST server in the desired region.
# (for us-east-1, we use "s3.amazonaws.com", but for another region, such as us-west-2, we would use "s3-us-west-2.amazonaws.com")
bTls = true
port = 443
bAutoReconnect = true
success = rest.Connect("s3.amazonaws.com",port,bTls,bAutoReconnect)

# Provide AWS credentials.
authAws = Chilkat::CkAuthAws.new()
authAws.put_AccessKey("AWS_ACCESS_KEY")
authAws.put_SecretKey("AWS_SECRET_KEY")
authAws.put_ServiceName("s3")
authAws.put_Region("us-east-1")

rest.SetAuthAws(authAws)

# Set the bucket name via the HOST header.
# In this case, the bucket name is "chilkat100".
# Note that the Host header should use "bucketName.s3.amazonaws.com", not "bucketName.s3-us-east-1.amazonaws.com"
# The same applies to aother regions.  The Host header should simply be <bucketName>.s3.amazonaws.com regardless of the region.
rest.put_Host("chilkat100.s3.amazonaws.com")

xml = Chilkat::CkXml.new()
xml.put_Tag("Tagging")
xml.UpdateChildContent("TagSet|Tag|Key","plant")
xml.UpdateChildContent("TagSet|Tag|Value","chili pepper")

sbRequestBody = Chilkat::CkStringBuilder.new()
xml.GetXmlSb(sbRequestBody)

# It is important to add the terminating "=" after the "?tagging".
sbResponse = Chilkat::CkStringBuilder.new()
success = rest.FullRequestSb("PUT","/chiliPepper.gif?tagging=",sbRequestBody,sbResponse)
if (success == false)
    print rest.lastErrorText() + "\n";
    exit
end

print "Response status code: " + rest.get_ResponseStatusCode().to_s() + "\n";

# When successful, the S3 Storage service will respond with a 200 response code,
# with an XML body.  
if (rest.get_ResponseStatusCode() != 200)
    # Examine the request/response to see what happened.
    print "response status code = " + rest.get_ResponseStatusCode().to_s() + "\n";
    print "response status text = " + rest.responseStatusText() + "\n";
    print "response header: " + rest.responseHeader() + "\n";
    print "response body: " + sbResponse.getAsString() + "\n";
    print "---" + "\n";
    print "LastRequestStartLine: " + rest.lastRequestStartLine() + "\n";
    print "LastRequestHeader: " + rest.lastRequestHeader() + "\n";
end

print sbResponse.getAsString() + "\n";
print "Success." + "\n";