Changes between Version 1 and Version 2 of GENIExperimenter/Tutorials/TrainTheTA-Fall2013/ReservationViews


Ignore:
Timestamp:
01/24/14 11:04:40 (10 years ago)
Author:
nriga@bbn.com
Comment:

--

Legend:

Unmodified
Added
Removed
Modified

  • GENIExperimenter/Tutorials/TrainTheTA-Fall2013/ReservationViews

    v1 v2  
    11[[PageOutline]]
    22
    3 = Accessing Resources in Slices Created by your Students =
     3= Using different GENI Reservation Tools =
    44
    5 == Portal Reservation ==
    6 When the students reserve resources through the portal, then the project lead and the project admins get accounts in the compute resources as well.
     5== Slice/Sliver Expiration Times ==
     6Different resources in GENI have different expiration times. This many times trips up students and their reservations unexpectedly expire.
    77
    88Let's try that:
    9   1. Login to the portal and load the ''Slices'' Tab
    10   2. Choose the slice called `sliceaccess-portal`
    11   3. Check the status for all the aggregates in the slice by pressing the ''Get All'' button. Where does this slice have resources?
    12   4. Press the ''Details''  button for that specific aggregate and wait until all the information is loaded.
    13   5. Login to the node using your own account
    14 '''''Action: Send an email to tutorials@geni.net with the keys installed for user `vthomas`'''''
     9  1. Login to the portal
     10  2. Create a slice
     11  3. When the new slice loads click the add resources button
     12  4. Choose the "One Virtual machine rspec" and the Utah Instageni Aggregate
     13  [[Image(add-resources.png)]]
     14  5. Once the reservation goes through, navigate back to your slice
     15  6. Repeat setps 3-5 but this time reserve one VM at Clemson Instageni
     16  7. From the slice:
     17    i. Note the slice expiration time
     18    ii. Scroll down and get the status for the Clemson Instageni AM, what is the expiration time?
     19    iii. What is the expiration time Utah Instageni?
    1520
    16 {{{
     21'''''Action: Send an email to tutorials@geni.net the three discovered expiration times'''''
     22
     23== Access Information with other tools ==
     24All the reservation information is stored at the various `Authorities` and `Managers`, so you can access your information with any tool. You will find that different tools are better for different things.
     25
     26Let's try that:
     27  1. In the slice you created in the above exercise Launch Flack and wait until your slice is loaded. Is your slice ready?
     28  2. (optional) If you have omni installed run readyToLogin script to get your login information
     29   {{{
     30    readyToLogin.py <slicename> -a clemson-ig -a utah-ig
     31  }}}
     32   3. If you have omni installed renew your slivers to expire on Monday
     33   {{{
     34    omni.py renewsliver <slicename> 20140127
     35}}}
     36 {{{
    1737#!html
    1838<table id="Table_03" border="0" cellpadding="5" cellspacing="0">
    … …  
    2242               </td>
    2343               <td>
    24                    The installed keys are located in a text file under the .ssh directory of the user.
     44                 If you don't have Omni, go back to the portal and renew your resources from there, you  might need to only renew the Utah resources.
    2545               </td>
    2646        </tr>
    2747</table>
    28 <table id="Table_03" border="0" cellpadding="5" cellspacing="0">
    29         <tr>
    30                 <td>
    31                         <img src="http://groups.geni.net/geni/attachment/wiki/GENIExperimenter/Tutorials/Graphics/Symbols-Tips-icon.png?format=raw" width="30" height="30" alt="Tip"/>
    32                </td>
    33                <td>
    34                     You will need to use <code>sudo</code> to access the directory of another user
    35                </td>
    36         </tr>
    37 </table>
    38 }}}
    39 
    40 
    41 == Reservation with other tools ==
    42 When students are reserving resource with other tools then only their key is loaded onto the nodes. To help your students debug in this case you should ask your students to load a common public SSH key into their account on the Portal.
    43 
    44 {{{
    45 #!html
    46 
    47 <table id="Table_01" border="0" cellpadding="5" cellspacing="0">
    48         <tr>
    49                 <td>
    50                         <img src="http://trac.gpolab.bbn.com/gcf/raw-attachment/wiki/Graphics/4NotesIcon_512x512.png" width="30" height="30" alt="Note">
    51                </td>
    52 <td>We are working to have all tools support multi-user slices directly which will eliminate the need for this workaround. Check back periodically to see which tools support this.
    53 </td>
    54         </tr>
    55 </table>
    56 }}}
    57 
    58 The process of loading a common public SSH key has two steps...
    59 === A. Generate SSH Keypairs ===
    60 To generate an SSH Key pair use [http://en.wikipedia.org/wiki/Ssh-keygen keygen].
    61   1. In a terminal run
    62   {{{
    63   ssh-keygen
    64   }}}
    65   2. Follow the instructions:
    66     * You can name your key anything you like, for this exercise name it `common-key`
    67     *  Make sure to remember the passphrase you set.
    68   3. Run `ls` to see the contents of your directory. There should be two files generated from the previous command:
    69     * `common-key`: This is the private key. You keep this to your self and maybe share it with the professor of the class and other admins of the project.
    70     * `common-key.pub`: This is the public key. This is the key you give to the students to load to their profile.[[BR]]
    71 {{{
    72 #!html
    73 <table id="Table_03" border="0" cellpadding="5" cellspacing="0">
    74         <tr>
    75                 <td>
    76                         <img src="http://groups.geni.net/geni/attachment/wiki/GENIExperimenter/Tutorials/Graphics/Symbols-Tips-icon.png?format=raw" width="30" height="30" alt="Tip"/>
    77                </td>
    78                <td>
    79 If you have too many files, try to filter the output to make it easier to find your keys. Try:
    80     <pre>
    81        ls comm*
    82     </pre>
    83                </td>
    84         </tr>
    85 </table>
    86 }}}
    87 
    88 '''''Action: Send an email to tutorials@geni.net with the public key you generated.'''''
    89 
    90 The next step in your classroom would be to send this public key to your students to load it in their profile; [wiki:HowTo/LoadPubKeyToPortal Instructions about how to do that].
    91  
    92 === B. Access nodes ===
    93 Let's try this and see how this approach works and how you would login in using this common key. For the purpose of this exercise we have generated a common public key that you can download from: http://tinyurl.com/TACommonKey (actual URL: http://www.gpolab.bbn.com/experiment-support/TrainTheTA/common-key )
    94 {{{
    95 #!html
    96 <table id="Table_03" border="0" cellpadding="5" cellspacing="0">
    97         <tr>
    98                 <td>
    99                         <img src="http://groups.geni.net/geni/attachment/wiki/GENIExperimenter/Tutorials/Graphics/Symbols-Tips-icon.png?format=raw" width="30" height="30" alt="Tip"/>
    100                </td>
    101                <td>
    102                    If you load it in the browser then just save the file using your browser's menus.
    103                </td>
    104         </tr>
    105 </table>
    106 }}}
    107 
    108 The first steps are exactly the same as before:
    109   1. Login to the portal and load the ''Slices'' Tab
    110   2. Choose the slice called `sliceaccess-flack`
    111   3. Check the status for all the aggregates in the slice by pressing the ''Get All'' button. Where does this slice have resources?
    112   4. Press the ''Details'' button for that specific aggregate and wait until all the information is loaded.
    113   5. Notice that there is only one account created.
    114    
    115 {{{
    116 #!html
    117 
    118 <table id="Table_01" border="0" cellpadding="5" cellspacing="0">
    119         <tr>
    120                 <td>
    121                         <img src="http://groups.geni.net/geni/attachment/wiki/GENIExperimenter/Tutorials/Graphics/warning-icon-hi.png?format=raw" width="30" height="30" alt="Warning">
    122                </td>
    123 <td>You will need to change the permissions so this file is only accessible to you. In a terminal do:
    124 <pre>
    125       chmod 600 &lt;location_of_downloaded_key&gt;
    126 </pre>
    127 </td>
    128         </tr>
    129 </table>
    130 }}}
    131 
    132 
    133   6. Use this key to login to the nodes:
    134       i. Copy the ssh command from the portal
    135       ii. Paste it in the terminal
    136       iii. Add at the end: `-i <location_of_downloaded_key>`
    137 
    138  '''''Action: Send an email to tutorials@geni.net with the contents of the file `done.txt` '''''
    13948