Hi,
It’s caused by a recent update in the SCL repo, so if you are using the python27 from SCL and not the Internet2 yum repo you hit that. There is an issue here: https://github.com/esnet/esmond/issues/54 . I’m still not entirely sure what causes it either. You can fix with the following commands:
cd /usr/lib/esmond unlink bin/python2 source /opt/rh/python27/enable /opt/rh/python27/root/usr/bin/virtualenv --prompt="(esmond)" . . bin/activate ./configure_esmond
Hope that helps, Andy
On July 27, 2016 at 9:14:30 AM, Daniel Doyle () wrote:
Cas,
Hm, strange. I set my instance up to look like yours
and got the same error message. It -seems- like if from
/usr/lib/esmond you remove bin/python, bin/python2, and
bin/python2.7 it will recreate them with in a working fashion.
Before doing that I would copy them to another location as backups
just in case. The symlinks created this way appear to be backwards
from the install (python -> python2 instead of other way around)
but it’s the same version and file size and appears to work.
Do you have any idea what may have happened to get
into this state? I double checked a couple of recently installed /
upgraded boxes of my own and they seem to be in working
order.
Dan Doyle
GlobalNOC Software Developer
1-812-856-3892
On Jul 27, 2016, at 8:29 AM, Cas D'Angelo
<> wrote:
I have tried as root and as sudo -u
perfsonar. Same result. One issue is with the symlinks
that point at one another in the 'ls -la' below.
I have copied the /usr/lib/esmond/bin/python script from a working
node onto the node with the issue. When I execute:
(esmond)[root@perfsonar-160 esmond]#
/opt/rh/python27/root/usr/bin/virtualenv --prompt="(esmond)"
.
...it creates a new symlink for /usr/lib/esmond/bin/python that
points to python2 which points to python which points to
python2....
Thanks.
Cas
On 07/26/2016 05:00 PM, Daniel Doyle wrote:
Are you running those commands as root? I can’t
recall offhand if the documentation states that but you need to run
as root iirc.
Dan Doyle
GlobalNOC Software Developer
1-812-856-3892
On Jul 26, 2016, at 4:58 PM, Cas D'Angelo
<> wrote:
Thanks for the quick replies Dan and
Andy.
When staring the virtualenv I get the following error:
# /opt/rh/python27/root/usr/bin/virtualenv --prompt="(esmond)"
.
New python executable in ./bin/python2
Traceback (most recent call last):
File "/opt/rh/python27/root/usr/bin/virtualenv", line 9, in
<module>
load_entry_point('virtualenv==13.1.0',
'console_scripts', 'virtualenv')()
File
"/opt/rh/python27/root/usr/lib/python2.7/site-packages/virtualenv.py",
line 832, in main
symlink=options.symlink)
File
"/opt/rh/python27/root/usr/lib/python2.7/site-packages/virtualenv.py",
line 994, in create_environment
site_packages=site_packages, clear=clear,
symlink=symlink))
File
"/opt/rh/python27/root/usr/lib/python2.7/site-packages/virtualenv.py",
line 1288, in install_python
shutil.copyfile(executable,
py_executable)
File "/opt/rh/python27/root/usr/lib64/python2.7/shutil.py",
line 83, in copyfile
with open(dst, 'wb') as fdst:
IOError: [Errno 40] Too many levels of symbolic links:
'./bin/python2'
# cd /usr/lib/esmond/bin
# ls -la
...
lrwxrwxrwx. 1 root
root 7 Jul 22 09:31 python
-> python2
lrwxrwxrwx. 1 esmond esmond 6 Jul 15
14:13 python2 -> python
lrwxrwxrwx. 1 esmond esmond 6 Jul 15
14:13 python2.7 -> python
...
Maybe python got written over? I can copy from another
working machine...
Cas
On 07/26/2016 04:41 PM, Daniel Doyle wrote:
Using esmond requires python2.7, which isn’t the default on
CentOS6.
Note the steps involving “enable” and “virtualenv” -
that is why you’re getting that error message.
Dan Doyle
GlobalNOC Software Developer
1-812-856-3892
On Jul 26, 2016, at 4:32 PM, Cas D'Angelo
<> wrote:
I have a RHEL 6.8 x86_64 box which is the only
perfSONAR node I have which is not a Toolkit install. The
sysadmin installed many perfSONAR packages standalone, but I was
having trouble getting any results from it on the maddash server. I
installed the toolkit rpms on top of the other installation.
I think the issue is with esmond. I tried to manually
add an api key and it gives me the following error:
$ python esmond/manage.py add_api_key_user
perfsonar
Traceback (most recent call last):
File "esmond/manage.py", line 2, in <module>
from django.core.management import
execute_from_command_line
ImportError: No module named django.core.management
In any case, I think I need an api key to place into
regulartesting.conf.
Thanks for your advice.
Cas
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