Bugs item #844704, was opened at 2003-11-18 16:29
Message generated for change (Comment added) made by muglerj
You can respond by visiting:
https://sourceforge.net/tracker/?func=detail&atid=109368&aid=844704&group_id=9368
Category: Packages
Group: 2.4
Status: Open
Resolution: None
Priority: 8
Submitted By: Jason Brechin (brechin)
Assigned to: John (muglerj)
Summary: Install package fails
Initial Comment:
==========================================
===================================
== Running step 2 of the OSCAR wizard: Configure
selected OSCAR packages
==========================================
===================================
--> About to
run /opt/oscar/packages/kernel_picker/scripts/pre_config
ure for kernel_picker
warning: /tftpboot/rpm/redhat-release-9-3.i386.rpm: V3
DSA signature: NOKEY, key ID db42a60e
[OSCAR::PackageBest :: Line 407] Reading package
directory
[OSCAR::PackageBest :: Line 419] Reading cache file.
[OSCAR::PackageBest :: Line 432] Comparing cache to
directory.
[OSCAR::PackageBest :: Line 457] Writing new cache
file.
62750 blocks
--> About to
run /opt/oscar/packages/switcher/scripts/pre_configure
for switcher
--> About to
run /opt/oscar/packages/switcher/scripts/post_configure
for switcher
Setting default for tag mpi ("lam-7.0")
Attribute successfully set; new attribute setting will be
effective for
future shells
--> Step 2: Completed successfully
executing:/opt/c3-4/cexec --pipe c3cmd-filter hostname
oscar_cluster oscarnode1.ncsa.uiuc.edu: Warning: No
xauth data; using fake authentication data for X11
forwarding.
Warning: sanity check failed.
----------------------------------------------------------------------
>Comment By: John (muglerj)
Date: 2003-11-19 17:40
Message:
Logged In: YES
user_id=505737
After looking at this for awhile, i'm concluding that there
is no bug here. Jason hit a case where his ssh is not
configured properly and spits warning messages. The sanity
check takes these warning messages and does the right thing,
it fails. Once ssh is properly configured on his test
system, the sanity check should succeed.
I recommend that this bug be either removed or downgraded
unless there are further comments.
NOTES:
1. I looked into possibly coding the sanity check another
way, and looking for positive "node alive" messages from a
cexec command. This turns out to be more difficult than it
first seems and may not be doable at all, unless i'm missing
something.
2. It may be possible to catch specific ssh warning messages
and ignore them. This might not be such a good idea either,
and i think our best bet is to fail gracefully as we are doing.
----------------------------------------------------------------------
Comment By: Jason Brechin (brechin)
Date: 2003-11-19 10:42
Message:
Logged In: YES
user_id=274641
Yep... it returns successfully...
[EMAIL PROTECTED] oscar]# ssh oscarnode1 hostname
Warning: No xauth data; using fake authentication data for
X11 forwarding.
oscarnode1.ncsa.uiuc.edu
[EMAIL PROTECTED] oscar]# echo $?
0
----------------------------------------------------------------------
Comment By: Benoit des Ligneris (bligneri)
Date: 2003-11-19 10:05
Message:
Logged In: YES
user_id=179120
This SSH behavior is caused by the fact that the SSH key for
host oscarnode1.ncsa.uiuc.edu has changed and is not the
same as the one in (~/.ssh/known_hosts).
This can happens because you add/delete node ?
Anyway, we should remove all the key when we remove a node
so that this can not happen (I guess some grepping and
sedding of all
the /home/*/.ssh/known_hosts should do the trick ?).
Same problem if the user has already a .known_hosts file
that conflict with the real SSH key of the host.
Anyway, to reproduce this, simply alter the host key in
.ssh/known_hosts
However, at some point,
You can reproduce this ssh behavior
----------------------------------------------------------------------
Comment By: John (muglerj)
Date: 2003-11-19 00:21
Message:
Logged In: YES
user_id=505737
Well, i do see a warning message:
Warning: No
xauth data; using fake authentication data for X11
forwarding.
Does ssh spit back a success return code with this warning?
If it spits back something other than success, the sanity
check is designed to fail.
I cannot seem to reproduce this, although i've seen it
before with ssh. I tried zapping my .Xauthority file but no
luck with that.
----------------------------------------------------------------------
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