Re: ceph-deploy again

[Alfredo Deza <alfredo.deza@xxxxxxxxxxx>]

On Tue, Sep 24, 2013 at 3:27 AM, Bernhard Glomm <bernhard.glomm@xxxxxxxxxxx> wrote:

Am 23.09.2013 21:56:56, schrieb Alfredo Deza:

On Mon, Sep 23, 2013 at 11:23 AM, Bernhard Glomm <bernhard.glomm@xxxxxxxxxxx> wrote:

Hi all,

something with ceph-deploy doesen't work at all anymore.
After an upgrade ceph-depoly failed to roll out a new monitor
with "permission denied. are you root?"
(obviously there shouldn't be a root login so I had another user
for ceph-deploy before which worked perfectly, why not now?)

ceph_deploy.install][DEBUG ] Purging host ping ...
Traceback (most recent call last):
E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?

Does this mean I have to let root log into my Cluster with a passwordless key?
I would rather like to use another log in, like so far, if possible.

Can you paste here the exact command you are running (and with what user) ?

 

 well I used to run this script

##############################################################

#!/bin/bash
# initialize the ceph cluster

# our csgstems
ceph_osds="ping pong"
ceph_mons="ping pong nuke36"
options="-v"

cd /tmp

for i in $ceph_mons; do
    ssh $i "sudo service ntp stop && sudo ntpdate-debian && sudo service ntp start && date";echo -e "\n\n"
done

ceph-deploy $options purge $ceph_mons
ceph-deploy $options purgedata $ceph_mons

mkdir /etc/ceph
cd /etc/ceph

# install ceph
ceph-deploy $options install --stable dumpling $ceph_mons

# create cluster
ceph-deploy $options new $ceph_mons

# inject your extra configuration options here
# switch on debugging
echo -e "debug ms = 1
debug mon = 20" >> /etc/ceph/ceph.conf

# create the monitors
ceph-deploy $options --overwrite-conf mon create $ceph_mons

sleep 10
# get the keys
for host in $ceph_mons; do
    ceph-deploy $options gatherkeys $host
done

for host in $ceph_osds;do
    ceph-deploy disk zap $host:/dev/sdb
    ceph-deploy $options osd create $host:/dev/sdb
done

# check
ceph status

exit 0

##############################################################

I ran this script as root

That was what I was afraid of. You should not use `sudo` nor execute ceph-deploy as root if you are login in as
a non-root user via ssh config to the remote host.

This is because ceph-deploy will detect if you are root to avoid using sudo in the remote host (sudo for root causes other issues).

The documentation was updated to reflect this: http://ceph.com/docs/master/start/quick-start-preflight/#configure-ssh

You should've also seen in the logs that before connecting, ceph-deploy was advertising if it was going to (or not) use sudo commands
on the remote host.

with a .ssh/config to switch

to the user I can log into the cluuster nodes.

there is no problem with the ssh nor the sudo

since the ntp commands in the beginning are working fine

 

The howto on ceph.com doesn't say anything about it,
the  changelog.Debian.gz isn't very helpful either and
another changelog isn't (provided nor a README)

ceph-deploy is version 1.2.6
system is freshly installed raring

got this both lines in my sources.list
deb http://192.168.242.91:3142/ceph.com/debian/ raring main
deb http://192.168.242.91:3142/ceph.com/packages/ceph-extras/debian/ raring main

since this both didn't work
#deb http://gitbuilder.ceph.com/ceph-deb-raring-x86_64-basic/ref/dumpling/       raring main
#deb http://gitbuilder.ceph.com/cdep-deb-raring-x86_64-basic/ref/master/        raring main
(couldn't find the python-pushy version ceph-deploy depends on)

TIA

Bernhard

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Bernhard Glomm
IT Administration

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