Creating Python Cron Job On Synology: Difference between revisions

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<syntaxhighlight lang="bash">
<syntaxhighlight lang="bash">
$ virtualenv -p /volume1/@appstore/py3k/usr/local/bin/python3 venv
$ virtualenv -p /volume1/@appstore/py3k/usr/local/bin/python3 venv
</syntaxhighlight>
=== SSH key for GitHub ===
* [https://help.github.com/articles/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent/#platform-linux Generate a SSH key]
* [https://help.github.com/articles/adding-a-new-ssh-key-to-your-github-account/#platform-linux Add the SSH key to the GitHub acccount]
** The instructions on that page say to use `apt-get` to install `xclip`. `apt-get` is not available on Synology.
** Install `ipkg` instead.
*** First look up the CPU of the DiskStation: '''DSM''' > '''Control Panel''' > '''System''' > '''Info Center''' > '''General''' tab > '''Basic Information''' group > '''CPU'''
*** Alternatively, CPUs for all DiskStation models are listed [https://www.synology.com/en-global/knowledgebase/DSM/tutorial/General/What_kind_of_CPU_does_my_NAS_have here].
*** Download and install `ipkg` <ref>[http://howden.net.au/thowden/2014/10/synology-installation-of-ipkg-dsm-yum-or-apt-get-equivalent/ Synology installation of ipkg DSM yum or apt-get equivalent]</ref>
*** E.g. on DS213:
<syntaxhighlight lang="bash">
$ wget http://ipkg.nslu2-linux.org/feeds/optware/cs08q1armel/cross/stable/syno-mvkw-bootstrap_1.2-7_arm.xsh
$ sh syno-mvkw-bootstrap_1.2-7_arm.xsh
</syntaxhighlight>
On DS213 running the script generated an error: `Error: CPU not Marvell Kirkwood, probably wrong bootstrap.xsh`
This error is fixed by editing `./bootstrap/bootstrap.sh` to change line 21: <ref>[https://forum.synology.com/enu/viewtopic.php?t=30764 IPKG for DS211] - Synology Forums</ref>
<pre>
/* from *
/
if ! grep Feroceon-KW /proc/cpuinfo >/dev/null 2>&1; then
/* to */
if ! grep Feroceon /proc/cpuinfo >/dev/null 2>&1; then
</pre>
Then running `./boostrap/bootstrap.sh` again (as `sudo`):
<syntaxhighlight lang="bash">
$ sudo sh bootstrap.sh
</syntaxhighlight>
</syntaxhighlight>

Revision as of 23:09, 31 March 2018

Objective

To install a python script on Synology NAS and run it as a cron job.

Prerequisites

python

Install Python3 using the Package Center app in the DSM.

pip

SSH to the DiskStation and install pip with 

$ sudo curl -k https://bootstrap.pypa.io/get-pip.py | python3

This will install pip at /volume1/@appstore/py3k/usr/local/bin/, but the pip command isn't automatically available. 

$ sudo ln -s /volume1/@appstore/py3k/usr/local/bin/pip /usr/local/bin/pip

This may be a viable alternative for installing pip: 

$ sudo yum install python-pip
$ sudo pip install --upgrade pip

virtualenv

Once pip is installed, use it to install virtualenv, and make sure the command is available from the command line: 

$ sudo pip install virtualenv
$ sudo ln -s /volume1/@appstore/py3k/usr/local/bin/virtualenv /usr/local/bin/virtualenv

Create a virtual environment for the python script: 

$ virtualenv -p /volume1/@appstore/py3k/usr/local/bin/python3 venv

SSH key for GitHub

  • Generate a SSH key
  • Add the SSH key to the GitHub acccount
    • The instructions on that page say to use apt-get to install xclip. apt-get is not available on Synology.
    • Install ipkg instead.
      • First look up the CPU of the DiskStation: DSM > Control Panel > System > Info Center > General tab > Basic Information group > CPU
      • Alternatively, CPUs for all DiskStation models are listed here.
      • Download and install ipkg [1]
      • E.g. on DS213:
$ wget http://ipkg.nslu2-linux.org/feeds/optware/cs08q1armel/cross/stable/syno-mvkw-bootstrap_1.2-7_arm.xsh
$ sh syno-mvkw-bootstrap_1.2-7_arm.xsh

On DS213 running the script generated an error: Error: CPU not Marvell Kirkwood, probably wrong bootstrap.xsh

This error is fixed by editing ./bootstrap/bootstrap.sh to change line 21: [2] 

/* from *
/
if ! grep Feroceon-KW /proc/cpuinfo >/dev/null 2>&1; then

/* to */ 

if ! grep Feroceon /proc/cpuinfo >/dev/null 2>&1; then

Then running ./boostrap/bootstrap.sh again (as sudo): 

$ sudo sh bootstrap.sh
  1. ↑ Synology installation of ipkg DSM yum or apt-get equivalent
  2. ↑ IPKG for DS211 - Synology Forums
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