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Pure1 REST API Postman Collection - Setup Guide

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In order to use the Pure1 Postman collection, you must complete 3 main tasks:

  1. Generate a private/public RSA key pair
  2. Register your application in Pure1®  Manage
  3. Configure your Postman environment and test authentication

Steps 1 and 2 are required only if you don't already have a Pure1 API Application ID and its related private key. If you already have one available, you may jump straight to step #3.

Generate a Private/Public RSA Key Pair

  1. On your computer, generate an RSA key pair.  For instance, if you use the openssl tool on MacOs or Linux, please run the following command to generate a private key:  
    openssl genrsa -aes256 -out pure1-test-private.pem 2048
  2. Generate the public key that corresponds to your private key with the following command:  
    openssl rsa -in pure1-test-private.pem -outform PEM -pubout -out pure1-test-public.pem
  3. Retrieve the text version of your public key with the following command:  
    cat pure1-test-public.pem

Register Your Application in Pure1 Manage

  1. Sign into Pure1 Manage (https://pure1.purestorage.com) with an administrator account. 
    NOTE: If your Pure1 account is not an administrative one, please contact Pure Technical Services to upgrade your account's privileges. 
  2. Navigate to the API Registration page available in the Administration section of the Pure1 Manage left navigation: 
    2020-11-03_10-22-11.png 2020-11-04_11-20-41.png
  3. Select Register Application on the API Registration page.
  4. A pop-up window will open, please enter the following: 
    1. Name - Enter a name for your application. 
    2. Public Key - Paste the output of the command you generated above in Generate a Private/Public RSA Key Pair including the BEGIN PUBLIC KEY and END PUBLIC KEY lines.
    3. Role - Select the appropriate role (admin has full permissions, read-only can only send GET requests. 
    4. Press the Upload button to save.

Configure Your Postaman Environment and Test Authentication

Postman is a third-party utility for building and using API's.  You can find more information here: https://www.postman.com/

  1. Generate the text version of your SSL private key by typing the following command:  
    openssl rsa -in pure1-test-private.pem -out private-key.txt
  2. Retrieve the text version of your public key with the following command:  
    cat private-key.txt
  3. Open the pure1_template environment in Postman. 
    NOTE: In order to see this template you will have had to downloaded the Pure1 Postman collection from Postmans’ API Network
  4. Fill out the api_private_key_file environment variable with the output of the command in step #2 above. 
  5. Retrieve the Application ID for your application in the API Registration page of Pure1 Manage and paste it into the api_client_name environment variable.
  6. In Postman, open the Authentication section of the Pure1 REST API collection.
  7. (First time only) Select the INIT: Load Crypto Library for RS256 request and send it to retrieve a necessary cryptographic library.
  8. Select the Get an OAuth token request and send it. If your private key and App ID have been correctly set up in Postman, you should receive a successful response with an access_token field.