Tcl

Azure Storage: Set Blob Service Properties

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

load ./chilkat.dll

set success 0

# Azure Blob Service Example: Set Blob Service Properties
# See also: https://msdn.microsoft.com/en-us/library/azure/hh452235.aspx

# 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: 2021-08-06" header to be automatically added.
CkAuthAzureStorage_put_XMsVersion $azAuth "2021-08-06"
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.

# This example will set logging properties.  The XML body of the request
# will look like this:

# <?xml version="1.0" encoding="utf-8"?>
# <StorageServiceProperties>
#     <Logging>
#         <Version>version-number</Version>
#         <Delete>true|false</Delete>
#         <Read>true|false</Read>
#         <Write>true|false</Write>
#         <RetentionPolicy>
#             <Enabled>true|false</Enabled>
#             <Days>number-of-days</Days>
#         </RetentionPolicy>
#     </Logging>

# Build the request:
set xml [new_CkXml]

CkXml_put_Tag $xml "StorageServiceProperties"
# xLogging is a CkXml
set xLogging [CkXml_NewChild $xml "Logging" ""]
CkXml_NewChild2 $xLogging "Version" "1.0"
CkXml_NewChild2 $xLogging "Delete" "true"
CkXml_NewChild2 $xLogging "Read" "true"
CkXml_NewChild2 $xLogging "Write" "true"
# xRetension is a CkXml
set xRetension [CkXml_NewChild $xLogging "RetentionPolicy" ""]
CkXml_NewChild2 $xRetension "Enabled" "true"
CkXml_NewChild2 $xRetension "Days" "7"
delete_CkXml $xRetension

delete_CkXml $xLogging

# The expected response is a 202 response status code with no response body.
set responseStr [CkRest_fullRequestString $rest "PUT" "/?restype=service&comp=properties" [CkXml_getXml $xml]]
if {[CkRest_get_LastMethodSuccess $rest] != 1} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkAuthAzureStorage $azAuth
    delete_CkXml $xml
    exit
}

# When successful, the Azure Storage service will respond with a 202 response code,
# with no response body.
if {[CkRest_get_ResponseStatusCode $rest] != 202} 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
    delete_CkXml $xml
    exit
}

puts "Success: Blob service properties updated!"

delete_CkRest $rest
delete_CkAuthAzureStorage $azAuth
delete_CkXml $xml