./lease_blob.sh 0095233545063f2097westus vm-images cb-centos71-amb210-2015-08-25-ofs_2015-August-25_10-1-os-2015-08-25.vhd 4vTIvDrTVNMS21svn1BFYzQmHj7Ho7cQpT8AqS0wrMawc80nFSd4lMHuTQTYqlZV8Tr3lm6+D2ZFVlkfkXAGow==
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November 23, 2015 17:54
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| # List the blobs in an Azure storage container. | |
| echo "usage: ${0##*/} <storage-account-name> <container-name> <access-key>" | |
| storage_account="$1" | |
| container_name="$2" | |
| access_key="$4" | |
| blob_store_url="blob.core.windows.net" | |
| http="https" | |
| blob_name="$3" | |
| authorization="SharedKey" | |
| request_method="PUT" | |
| request_date=$(TZ=GMT date "+%a, %d %h %Y %H:%M:%S %Z") | |
| storage_service_version="2011-08-18" | |
| # HTTP Request headers | |
| x_ms_date_h="x-ms-date:$request_date" | |
| x_ms_version_h="x-ms-version:$storage_service_version" | |
| x_ms_lease_action="x-ms-lease-action:break" | |
| # Build the signature string | |
| canonicalized_headers="${x_ms_date_h}\n${x_ms_lease_action}\n${x_ms_version_h}" | |
| canonicalized_resource="/${storage_account}/${container_name}/${blob_name}" | |
| string_to_sign="${request_method}\n\n\n2000\n\n\n\n\n\n\n\n\n${canonicalized_headers}\n${canonicalized_resource}\ncomp:lease" | |
| echo -e "$string_to_sign" | |
| # Decode the Base64 encoded access key, convert to Hex. | |
| decoded_hex_key="$(echo -n $access_key | base64 -d -w0 | xxd -p -c256)" | |
| # Create the HMAC signature for the Authorization header | |
| signature=$(printf "$string_to_sign" | openssl dgst -sha256 -mac HMAC -macopt "hexkey:$decoded_hex_key" -binary | base64 -w0) | |
| authorization_header="Authorization: $authorization $storage_account:$signature" | |
| curl \ | |
| -X PUT \ | |
| -H "$x_ms_date_h" \ | |
| -H "$x_ms_version_h" \ | |
| -H "$x_ms_lease_action" \ | |
| -H "Content-Length: 2000" \ | |
| -H "$authorization_header" \ | |
| "https://${storage_account}.blob.core.windows.net/${container_name}/${blob_name}?comp=lease" |
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