Unable to ssh to remote machine through oozie

[marryhazarika]

oozie vesion : 2.3.2-cdh3u2
Trying to execute a shell command in the non-hadoop remote host from a hadoop supporting node.
Steps followed: 1. Copied the workflow.xml file containing the ssh action to create a file in the remote host to HDFS.
2. Submitted the job from a hadoop supporting node where oozie derver and oozie client both are installed.
Expected Result: Should create a file in the remote host
Issue faced: AUTH_FAILED: Not able to perform operation [ssh -o PasswordAuthentication=no -o KbdInteractiveDevices=no -o StrictHostKeyChecking=no -o ConnectTimeout=20 root@192.168.1.31 mkdir -p oozie-oozi/0000000-120614121603884-oozie-oozi-W/ssh-node--ssh/ ] | ErrorStream: Permission denied (publickey,gssapi-with-mic,password) in the log file.

[maruthy]

The documentation at "http://incubator.apache.org/oozie/docs/3.2.0-incubating/docs/ENG_Building.html#Passphare-less_SSH_Setup" clearly indicates that there must be a user setup with pass phrase less access to shell otherwise it will endup in PermissionDenied(publickey, password) scenario

Thanks
Maruthy

[maruthy]

Hi,

I think there is some difference in understanding the documentation of oozie. Oozie 3.2 workflows allow ssh action and being deprecated in later versions I hope. Anyway the documentation of oozie says that “pass phrase less login must be setup” in the system in-order for the ssh action to work. I did so and it started working.

Thanks
Maruthy

From: FlavSF [mailto:notifications@github.com]
Sent: Friday, January 25, 2013 4:11 AM
To: yahoo/oozie
Cc: Venkatamaruthy J -ERS, HCL Tech
Subject: Re: [oozie] Unable to ssh to remote machine through oozie (#838)

I am facing the same issue as the author. Whenever I try to do any kind of ssh command I encounter the following error: AUTH_FAILED: Not able to perform operation [ssh -o PasswordAuthentication=no -o KbdInteractiveDevices=no -o StrictHostKeyChecking=no -o ConnectTimeout=20 root@serverip mkdir -p oozie-oozi/0000114-130122145142848-oozie-oozi-W/mysql_delete--ssh/ ] | ErrorStream: Permission denied (gssapi-keyex,gssapi-with-mic,publickey,password).

But it doesn't make sense for few reasons:

• I can perfectly ssh into my server using ssh root@serverip
• Whenever I execute the above command (ssh -o PasswordAuthentication=no -o KbdInteractiveDevices=no -o StrictHostKeyChecking=no -o ConnectTimeout=20 root@serverip mkdir -p oozie-oozi/0000114-130122145142848-oozie-oozi-W/mysql_delete--ssh/) manually, it works!
• When looking at the link provided above, I also confirm that I can ssh localhost with success

Any ideas? Did you find resolution to your problem @marryhazarikahttps://github.com/marryhazarika ?

—
Reply to this email directly or view it on GitHubhttps://github.com//issues/838#issuecomment-12677974.

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[marryhazarika]

Hi,

Run Oozie server as a Oozie user. If running Oozie server from different
user just modify the following properties in core-site.xml under
HADOOP_HOME:

hadoop.proxyuser.oozie.hosts * hadoop.proxyuser.oozie.groups *

NOTE: Change the name oozie in above properties to the user name from where
Oozie server is started.

My problem was solved this way. Try this out once.

On Thu, Jan 31, 2013 at 11:40 AM, maruthy notifications@github.com wrote:

Hi,

I think there is some difference in understanding the documentation of
oozie. Oozie 3.2 workflows allow ssh action and being deprecated in later
versions I hope. Anyway the documentation of oozie says that “pass phrase
less login must be setup” in the system in-order for the ssh action to
work. I did so and it started working.

Thanks
Maruthy

From: FlavSF [mailto:notifications@github.com]
Sent: Friday, January 25, 2013 4:11 AM
To: yahoo/oozie
Cc: Venkatamaruthy J -ERS, HCL Tech
Subject: Re: [oozie] Unable to ssh to remote machine through oozie (#838)

I am facing the same issue as the author. Whenever I try to do any kind of
ssh command I encounter the following error: AUTH_FAILED: Not able to
perform operation [ssh -o PasswordAuthentication=no -o
KbdInteractiveDevices=no -o StrictHostKeyChecking=no -o ConnectTimeout=20
root@serverip mkdir -p
oozie-oozi/0000114-130122145142848-oozie-oozi-W/mysql_delete--ssh/ ] |
ErrorStream: Permission denied
(gssapi-keyex,gssapi-with-mic,publickey,password).

But it doesn't make sense for few reasons:

• I can perfectly ssh into my server using ssh root@serverip
• Whenever I execute the above command (ssh -o PasswordAuthentication=no
  -o KbdInteractiveDevices=no -o StrictHostKeyChecking=no -o
  ConnectTimeout=20 root@serverip mkdir -p
  oozie-oozi/0000114-130122145142848-oozie-oozi-W/mysql_delete--ssh/)
  manually, it works!
• When looking at the link provided above, I also confirm that I can ssh
  localhost with success

Any ideas? Did you find resolution to your problem @marryhazarika<
https://github.com/marryhazarika> ?

—
Reply to this email directly or view it on GitHub<
https://github.com/yahoo/oozie/issues/838#issuecomment-12677974>.

::DISCLAIMER::

---

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intended for the named recipient(s) only.
E-mail transmission is not guaranteed to be secure or error-free as
information could be intercepted, corrupted,
lost, destroyed, arrive late or incomplete, or may contain viruses in
transmission. The e mail and its contents
(with or without referred errors) shall therefore not attach any liability
on the originator or HCL or its affiliates.
Views or opinions, if any, presented in this email are solely those of the
author and may not necessarily reflect the
views or opinions of HCL or its affiliates. Any form of reproduction,
dissemination, copying, disclosure, modification,
distribution and / or publication of this message without the prior
written consent of authorized representative of
HCL is strictly prohibited. If you have received this email in error
please delete it and notify the sender immediately.
Before opening any email and/or attachments, please check them for viruses
and other defects.

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—
Reply to this email directly or view it on GitHubhttps://github.com//issues/838#issuecomment-12929212.

Regards,
Marry Hazarika
Software Engineer
Guwahati, Assam

[maruthy]

Thanks for the update,
In-fact this modifications are also stated in the documentation of oozie if I am not wrong. This settings I did in the beginning itself so I did not pay much of an attention to it.
Thanks
Maruthy
From: marryhazarika [mailto:notifications@github.com]
Sent: Thursday, January 31, 2013 12:03 PM
To: yahoo/oozie
Cc: Venkatamaruthy J -ERS, HCL Tech
Subject: Re: [oozie] Unable to ssh to remote machine through oozie (#838)

Hi,

Run Oozie server as a Oozie user. If running Oozie server from different
user just modify the following properties in core-site.xml under
HADOOP_HOME:

hadoop.proxyuser.oozie.hosts * hadoop.proxyuser.oozie.groups *

NOTE: Change the name oozie in above properties to the user name from where
Oozie server is started.

My problem was solved this way. Try this out once.

On Thu, Jan 31, 2013 at 11:40 AM, maruthy notifications@github.com wrote:

Hi,

I think there is some difference in understanding the documentation of
oozie. Oozie 3.2 workflows allow ssh action and being deprecated in later
versions I hope. Anyway the documentation of oozie says that “pass phrase
less login must be setup” in the system in-order for the ssh action to
work. I did so and it started working.

Thanks
Maruthy

From: FlavSF [mailto:notifications@github.com]
Sent: Friday, January 25, 2013 4:11 AM
To: yahoo/oozie
Cc: Venkatamaruthy J -ERS, HCL Tech
Subject: Re: [oozie] Unable to ssh to remote machine through oozie (#838)

I am facing the same issue as the author. Whenever I try to do any kind of
ssh command I encounter the following error: AUTH_FAILED: Not able to
perform operation [ssh -o PasswordAuthentication=no -o
KbdInteractiveDevices=no -o StrictHostKeyChecking=no -o ConnectTimeout=20
root@serverip mkdir -p
oozie-oozi/0000114-130122145142848-oozie-oozi-W/mysql_delete--ssh/ ] |
ErrorStream: Permission denied
(gssapi-keyex,gssapi-with-mic,publickey,password).

But it doesn't make sense for few reasons:

• I can perfectly ssh into my server using ssh root@serverip
• Whenever I execute the above command (ssh -o PasswordAuthentication=no
  -o KbdInteractiveDevices=no -o StrictHostKeyChecking=no -o
  ConnectTimeout=20 root@serverip mkdir -p
  oozie-oozi/0000114-130122145142848-oozie-oozi-W/mysql_delete--ssh/)
  manually, it works!
• When looking at the link provided above, I also confirm that I can ssh
  localhost with success

Any ideas? Did you find resolution to your problem @marryhazarika<
https://github.com/marryhazarika> ?

—
Reply to this email directly or view it on GitHub<
https://github.com/yahoo/oozie/issues/838#issuecomment-12677974>.

::DISCLAIMER::

---

The contents of this e-mail and any attachment(s) are confidential and
intended for the named recipient(s) only.
E-mail transmission is not guaranteed to be secure or error-free as
information could be intercepted, corrupted,
lost, destroyed, arrive late or incomplete, or may contain viruses in
transmission. The e mail and its contents
(with or without referred errors) shall therefore not attach any liability
on the originator or HCL or its affiliates.
Views or opinions, if any, presented in this email are solely those of the
author and may not necessarily reflect the
views or opinions of HCL or its affiliates. Any form of reproduction,
dissemination, copying, disclosure, modification,
distribution and / or publication of this message without the prior
written consent of authorized representative of
HCL is strictly prohibited. If you have received this email in error
please delete it and notify the sender immediately.
Before opening any email and/or attachments, please check them for viruses
and other defects.

---

—
Reply to this email directly or view it on GitHubhttps://github.com//issues/838#issuecomment-12929212.

Regards,
Marry Hazarika
Software Engineer
Guwahati, Assam

—
Reply to this email directly or view it on GitHubhttps://github.com//issues/838#issuecomment-12929676.

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