juju manual bootstrap - does it work?

Kapil Thangavelu kapil.thangavelu at canonical.com
Sun May 4 16:35:27 UTC 2014 

Hi Brian,

One part of Andrew's reply that may have been overlooked is verifying a
passwordless sudo setup for the 'bootstrap-user', ie that the following
works.

"ssh me at server sudo true"

cheers,

Kapil


On Sun, May 4, 2014 at 5:59 AM, brian mullan <bmullan.mail at gmail.com> wrote:

> Andrews... sorry but don't spend any more time troubleshooting this.   I'm
> going to blow that server away and start over.
> If I end up in the same place with the same problem I'll send another
> email but I've already spent way too much time trying to get this server to
> work via manual juju bootstrap.
>
> brian
>
>
>
> On Sun, May 4, 2014 at 7:22 AM, brian mullan <bmullan.mail at gmail.com>wrote:
>
>>
>> Thanks Andrew... information you asked for is inline.
>>
>>
>> On Sat, May 3, 2014 at 10:12 PM, Andrew Wilkins <
>> andrew.wilkins at canonical.com> wrote:
>>
>>> On Sat, May 3, 2014 at 2:11 PM, brian mullan <bmullan.mail at gmail.com>wrote:
>>>
>>>>  I've tried for 2 days to get this to work and I'm stumped.
>>>> using my laptop w/ubuntu 14.04 desktop
>>>> remote server /w ubuntu 14.04 fresh server install
>>>>
>>>> I am the only account on both systems and I have both ssh and sudo
>>>> access on both
>>>>
>>>> I can ssh & login to server just fine
>>>>
>>>> I even set up passwordless ssh for me from laptop to server and doing
>>>>
>>>
>>> When you did that, did you use ~/.ssh/id_rsa or something else?
>>>
>>
>>
>>
>> *I tried this two different ways*
>> *$ssh-keygen -t rsa*
>>
>> *then*
>> *$ ssh-add*
>> *then*
>> *$ ssh-copy-id my_login_ID@<server_ip>*
>>
>>
>>
>> *then tried juju bootstrap each time... when that didn't work I removed
>> those keys and used the following which didn't work either.*
>>
>>
>> *$ ssh-keygen*
>>
>> *then*
>> *$ ssh-add*
>> *then*
>> *$ ssh-copy-id my_login_ID@<server_ip>*
>>
>>
>> *But with either of the above passwordless ssh works for me if I just ssh
>> to the server in a terminal window*
>>
>> *example:   ssh my_login_ID@<server_ip>*
>> *logs me directly into the server with no password prompt.*
>>
>>
>>>
>>>>    ssh me at server logs me directly into it just fine.
>>>>
>>>
>>> And "ssh me at server sudo true" works, without prompting?
>>>
>>>  On laptop I've installed juju
>>>>
>>>
>>> Just to be clear, you're on 1.18.x?
>>>
>>
>> *yes... v1.18.1*
>>
>> *$ juju --version1.18.1-trusty-amd64*
>>
>>
>>
>>>
>>>  Created configuration template environments.yaml with:
>>>>
>>>>     default: manual
>>>>
>>>>         manual:
>>>>             type: manual
>>>>             # bootstrap-host holds the host name of the machine where
>>>> the
>>>>             # bootstrap machine agent will be started.
>>>>             bootstrap-host: <server_ip>
>>>>             # bootstrap-user specifies the user to authenticate as when
>>>>             # connecting to the bootstrap machine. If defaults to
>>>>             # the current user.
>>>>             # bootstrap-user: <my_username_id>
>>>>             # storage-listen-ip specifies the IP address that the
>>>>             # bootstrap machine's Juju storage server will listen
>>>>             # on. By default, storage will be served on all
>>>>             # network interfaces.
>>>>             # storage-listen-ip:
>>>>             # storage-port specifes the TCP port that the
>>>>             # bootstrap machine's Juju storage server will listen
>>>>             # on. It defaults to 8040
>>>>             # storage-port: 8040
>>>>
>>>> On my laptop I execute the following
>>>>
>>>>     *$ juju switch manual*
>>>>
>>>> then
>>>>
>>>>    * $ juju bootstrap*
>>>>
>>>> Juju appears to connect to the Server ok but I keep getting asked for a
>>>> password??
>>>>
>>>
>>> Would you mind doing this again with "--debug" and replying with the
>>> output?
>>>
>>
>> *bmullan at brians-juju:~$ juju bootstrap --debug *
>>
>> *2014-05-04 11:11:00 INFO juju.cmd supercommand.go:297 running
>> juju-1.18.1-trusty-amd64 [gc]*
>> *2014-05-04 11:11:00 DEBUG juju.environs.configstore disk.go:64 Making
>> /home/bmullan/.juju/environments*
>> *2014-05-04 11:11:00 INFO juju.environs.manual init.go:139 initialising
>> "173.39.236.162", user ""*
>> *2014-05-04 11:11:00 DEBUG juju.utils.ssh ssh.go:234 using OpenSSH ssh
>> client*
>> *2014-05-04 11:11:00 DEBUG juju.utils.ssh ssh_openssh.go:122 running: ssh
>> -o "StrictHostKeyChecking no" -o "PasswordAuthentication no" -i
>> /home/bmullan/.juju/ssh/juju_id_rsa -i /home/bmullan/.ssh/id_rsa
>> ubuntu at 173.39.236.162 <ubuntu at 173.39.236.162> sudo -n true*
>> *Password: *
>> *2014-05-04 11:11:49 INFO juju.environs.manual init.go:150 ubuntu user is
>> already initialised*
>> *2014-05-04 11:11:49 INFO juju.provider.manual provider.go:33 initialized
>> ubuntu user*
>> *2014-05-04 11:11:50 DEBUG juju.provider.manual environ.go:194 using ssh
>> storage at host "ubuntu at 173.39.236.162 <ubuntu at 173.39.236.162>" dir
>> "/var/lib/juju/storage"*
>> *2014-05-04 11:11:50 DEBUG juju.utils.ssh ssh.go:234 using OpenSSH ssh
>> client*
>> *2014-05-04 11:11:50 DEBUG juju.utils.ssh ssh_openssh.go:122 running: ssh
>> -o "StrictHostKeyChecking no" -o "PasswordAuthentication no" -i
>> /home/bmullan/.juju/ssh/juju_id_rsa -i /home/bmullan/.ssh/id_rsa
>> ubuntu at 173.39.236.162 <ubuntu at 173.39.236.162> sudo -n /bin/bash*
>> *Password: *
>> *2014-05-04 11:12:39 DEBUG juju.utils.ssh ssh.go:234 using OpenSSH ssh
>> client*
>> *2014-05-04 11:12:39 DEBUG juju.utils.ssh ssh_openssh.go:122 running: ssh
>> -o "StrictHostKeyChecking no" -o "PasswordAuthentication no" -i
>> /home/bmullan/.juju/ssh/juju_id_rsa -i /home/bmullan/.ssh/id_rsa
>> ubuntu at 173.39.236.162 <ubuntu at 173.39.236.162> bash*
>> *Password: *
>>
>> *I enter my password and it will just keep reprompting for "a
>> password"... I'm not sure what password though as there is only one account
>> on both my laptop and on the server.*
>>
>>
>>
>>
>>>
>>>> The Juju Documentation at:
>>>> https://juju.ubuntu.com/docs/config-manual.html
>>>> says...
>>>>
>>>> *The manual provider does not perform automatic machine provisioning
>>>> like other providers; instead, you must manually provision machines into
>>>> the environment. Provisioning machines is described in the following
>>>> sections.*
>>>> *Bootstrapping*
>>>>
>>>> *To bootstrap a manual environment, you must specify the bootstrap-host
>>>> configuration, and optionally the bootstrap-user configuration. If
>>>> bootstrap-user is not specified, then Juju will ssh to the bootstrap host
>>>> as the current user. Once the configuration is specified, you bootstrap as
>>>> usual:*
>>>>
>>>> *juju bootstrap
>>>> *
>>>>
>>>> *The juju bootstrap command will connect to bootstrap-host via SSH, and
>>>> copy across and install the Juju agent.*
>>>>
>>>> *When bootstrapping, Juju will create the "ubuntu" user if it does not
>>>> already exist. To eliminate the need for repeated password prompts, Juju
>>>> will configure password-less ssh and sudo for the ubuntu user.*
>>>> I've tried with the environments.yaml "bootstrap-user" set to my User
>>>> ID and i have also tried with "bootstrap-user" commented out which as the
>>>> above documentation states "should" default to me as the "current user".
>>>>
>>>> First... Why would the *juju bootstrap* prompt for a passworrd
>>>>
>>>
>>> The only thing that springs to mind is that juju may be attempting to
>>> use an SSH key that is not loaded by the SSH agent. The debug log should
>>> help narrow this down.
>>>
>>
>> *as I pointed out above locally on my laptop after creating the Key I
>> used -* * ssh-add *
>>
>>
>>> Second... What password can this be??  Its not mine on either system and
>>>> I also tried just "ubuntu" in case but neither is accepted.
>>>>
>>>> Both Ubuntu systems, my lapttop and the server, have had sudo apt-get
>>>> update && sudo apt-get upgrade so they both should have had all latest
>>>> package updates.
>>>>
>>>> Anyone got any ideas?
>>>>
>>>> Does juju manual bootstrap work in 14.04?
>>>>
>>>
>>> It works well for me, and there is automated testing in place for the
>>> manual provider.
>>>
>>> thanks in advance
>>>>
>>>> Brian
>>>>
>>>>
>>>>
>>>>
>>>>
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>>>>
>>>>
>>>
>>
>
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