[Swift-devel] ssh data provider

[Zhao Zhang]

Hi, All

I am trying to make the ssh data provider working between BG login node 
and IO node.
In this context, we could ssh from login nodes to IO nodes without a 
passphrase.

I made a test, it failed:
zzhang at login6.surveyor:~/swift/test> swift -sites.file ./sites.xml 
-tc.file ./tc.data first.swift
Swift svn swift-r2334 (Swift modified locally) cog-r2216

RunID: 20081211-1604-6otxvqtb
Progress:
echo started
Sorted: [bgp000:1,000.000(98.545):0/789 overload: 0]
Sorted: [bgp000:999.590(98.544):0/789 overload: 0]
Sorted: [bgp000:999.180(98.544):0/789 overload: 0]
echo failed
Execution failed:
        Could not initialize shared directory on bgp000
Caused by:
        org.globus.cog.abstraction.impl.file.FileResourceException: 
Error while communicating with the SSH server on 172.16.3.6:22
Caused by:
        Public Key Authentication failed


My sites.xml is like belwo:
zzhang at login6.surveyor:~/swift/test> cat sites.xml
<?xml version="1.0" encoding="UTF-8"?>
<config xmlns="http://www.griphyn.org/chimera/GVDS-PoolConfig"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" version="1.5">
<pool handle="bgp000">
        <filesystem url="172.16.3.6" provider="ssh"/>
        <execution provider="deef" 
url="http://172.16.3.6:50001/wsrf/services/GenericPortal/core/WS/GPFactoryService"/>
        <workdirectory>/tmp</workdirectory>
        <profile namespace="karajan" key="jobThrottle">8</profile>
        <profile namespace="karajan" key="initialScore">1000</profile>
</pool>

</config>

My auth.defaults is this:
zzhang at login6.surveyor:~/swift/test> cat ~/.ssh/auth.defaults
172.16.3.6.type=key
172.16.3.6.username=zzhang
172.16.3.6.key=/home/zzhang/.ssh/id_rsa
172.16.3.6.passphrase=""

The log file could be reached at 
http://www.ci.uchicago.edu/~zzhang/first-20081211-1604-6otxvqtb.log

Thanks.

best wishes
zhangzhao