(Tcl) Azure Storage: Get Blob Service Properties

Azure Storage Blob Service REST API: Sample code to get a blob's service properties.

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load ./chilkat.dll

# Azure Blob Service Example: Get Blob Service Properties

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

set rest [new_CkRest]

# Connect to the Azure Storage Blob Service
set bTls 1
set port 443
set bAutoReconnect 1
# In this example, the storage account name is "chilkat".
set success [CkRest_Connect $rest "chilkat.blob.core.windows.net" $port $bTls $bAutoReconnect]
if {$success != 1} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    exit
}

# Provide Azure Cloud credentials for the REST call.
set azAuth [new_CkAuthAzureStorage]

CkAuthAzureStorage_put_AccessKey $azAuth "AZURE_ACCESS_KEY"
# The account name used here should match the 1st part of the domain passed in the call to Connect (above).
CkAuthAzureStorage_put_Account $azAuth "chilkat"
CkAuthAzureStorage_put_Scheme $azAuth "SharedKey"
CkAuthAzureStorage_put_Service $azAuth "Blob"
# This causes the "x-ms-version: 2020-08-04" header to be automatically added.
CkAuthAzureStorage_put_XMsVersion $azAuth "2020-08-04"
set success [CkRest_SetAuthAzureStorage $rest $azAuth]

# Note: The application does not need to explicitly set the following
# headers: x-ms-date, Authorization.  These headers
# are automatically set by Chilkat.

set responseStr [CkRest_fullRequestNoBody $rest "GET" "/?restype=service&comp=properties"]
if {[CkRest_get_LastMethodSuccess $rest] != 1} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkAuthAzureStorage $azAuth
    exit
}

# When successful, the Azure Storage service will respond with a 200 response code,
# with an XML body.  
if {[CkRest_get_ResponseStatusCode $rest] != 200} then {
    # Examine the request/response to see what happened.
    puts "response status code = [CkRest_get_ResponseStatusCode $rest]"
    puts "response status text = [CkRest_responseStatusText $rest]"
    puts "response header: [CkRest_responseHeader $rest]"
    puts "response body (if any): $responseStr"
    puts "---"
    puts "LastRequestStartLine: [CkRest_lastRequestStartLine $rest]"
    puts "LastRequestHeader: [CkRest_lastRequestHeader $rest]"
    delete_CkRest $rest
    delete_CkAuthAzureStorage $azAuth
    exit
}

# Load the XML response for parsing.
# An example of the response XML is shown below.
set xml [new_CkXml]

set success [CkXml_LoadXml $xml $responseStr]

puts [CkXml_getXml $xml]

# Use the ChilkatPath method to get various pieces of information out
# of the XML.  For example:

puts "Logging retention policy #days = [CkXml_chilkatPath $xml Logging|RetentionPolicy|Days|*]"
puts "Hour metrics include APIs = [CkXml_chilkatPath $xml HourMetrics|IncludeAPIs|*]"

# <?xml version="1.0" encoding="utf-8" ?>
# <StorageServiceProperties>
#     <Logging>
#         <Version>1.0</Version>
#         <Read>true</Read>
#         <Write>true</Write>
#         <Delete>true</Delete>
#         <RetentionPolicy>
#             <Enabled>true</Enabled>
#             <Days>7</Days>
#         </RetentionPolicy>
#     </Logging>
#     <HourMetrics>
#         <Version>1.0</Version>
#         <Enabled>true</Enabled>
#         <IncludeAPIs>true</IncludeAPIs>
#         <RetentionPolicy>
#             <Enabled>true</Enabled>
#             <Days>7</Days>
#         </RetentionPolicy>
#     </HourMetrics>
#     <MinuteMetrics>
#         <Version>1.0</Version>
#         <Enabled>false</Enabled>
#         <RetentionPolicy>
#             <Enabled>false</Enabled>
#         </RetentionPolicy>
#     </MinuteMetrics>
#     <Cors />
# </StorageServiceProperties>

delete_CkRest $rest
delete_CkAuthAzureStorage $azAuth
delete_CkXml $xml