(Tcl) Amazon Glacier List Vaults

Demonstrates how to list the glacier vaults in a given region.

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load ./chilkat.dll

# 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 Amazon AWS REST server in the desired region.
set bTls 1
set port 443
set bAutoReconnect 1
set success [CkRest_Connect $rest "glacier.us-west-2.amazonaws.com" $port $bTls $bAutoReconnect]

# Provide AWS credentials.
set authAws [new_CkAuthAws]

CkAuthAws_put_AccessKey $authAws "AWS_ACCESS_KEY"
CkAuthAws_put_SecretKey $authAws "AWS_SECRET_KEY"
CkAuthAws_put_ServiceName $authAws "glacier"
CkAuthAws_put_Region $authAws "us-west-2"

set success [CkRest_SetAuthAws $rest $authAws]

# --------------------------------------------------------------------------
# Note: The above REST connection and setup of the AWS credentials
# can be done once.  After connecting, any number of REST calls can be made.
# The "auto reconnect" property passed to rest.Connect indicates that if
# the connection is lost, a REST method call will automatically reconnect
# if needed.
# --------------------------------------------------------------------------

# 
# For more information, see Glacier List Vaults Reference Documentation
# 
CkRest_AddHeader $rest "x-amz-glacier-version" "2012-06-01"

# Get the glacier vaults in my account's us-west-2 region.
set sbResponseBody [new_CkStringBuilder]

set success [CkRest_FullRequestNoBodySb $rest "GET" "/AWS_ACCOUNT_ID/vaults" $sbResponseBody]
if {$success != 1} then {
    puts [CkRest_lastErrorText $rest]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkStringBuilder $sbResponseBody
    exit
}

set respStatusCode [CkRest_get_ResponseStatusCode $rest]
if {$respStatusCode >= 400} then {
    puts "Response Status Code = $respStatusCode"
    puts "Response Header:"
    puts [CkRest_responseHeader $rest]
    puts "Response Body:"
    puts [CkStringBuilder_getAsString $sbResponseBody]
    delete_CkRest $rest
    delete_CkAuthAws $authAws
    delete_CkStringBuilder $sbResponseBody
    exit
}

# Success is indicated by a 200 response status with an empty response body.
puts "response status code = $respStatusCode"

set json [new_CkJsonObject]

CkJsonObject_LoadSb $json $sbResponseBody
CkJsonObject_put_EmitCompact $json 0

puts [CkJsonObject_emit $json]

# Use this online tool to generate parsing code from sample JSON: 
# Generate Parsing Code from JSON

set Marker [CkJsonObject_stringOf $json "Marker"]
set i 0
set count_i [CkJsonObject_SizeOfArray $json "VaultList"]
while {$i < $count_i} {
    CkJsonObject_put_I $json $i
    set CreationDate [CkJsonObject_stringOf $json "VaultList[i].CreationDate"]
    set LastInventoryDate [CkJsonObject_stringOf $json "VaultList[i].LastInventoryDate"]
    set NumberOfArchives [CkJsonObject_IntOf $json "VaultList[i].NumberOfArchives"]
    set SizeInBytes [CkJsonObject_IntOf $json "VaultList[i].SizeInBytes"]
    set VaultARN [CkJsonObject_stringOf $json "VaultList[i].VaultARN"]
    set VaultName [CkJsonObject_stringOf $json "VaultList[i].VaultName"]
    set i [expr $i + 1]
}

# Sample response
# 
# {
#   "Marker": null,
#   "VaultList": [
#     {
#       "CreationDate": "2019-04-05T19:10:28.428Z",
#       "LastInventoryDate": null,
#       "NumberOfArchives": 0,
#       "SizeInBytes": 0,
#       "VaultARN": "arn:aws:glacier:us-west-2:954491834127:vaults/chilkat",
#       "VaultName": "chilkat"
#     },
#     {
#       "CreationDate": "2019-04-05T19:00:21.768Z",
#       "LastInventoryDate": null,
#       "NumberOfArchives": 0,
#       "SizeInBytes": 0,
#       "VaultARN": "arn:aws:glacier:us-west-2:954491834127:vaults/ocean",
#       "VaultName": "ocean"
#     }
#   ]
# }
# 

delete_CkRest $rest
delete_CkAuthAws $authAws
delete_CkStringBuilder $sbResponseBody
delete_CkJsonObject $json