The ultimate goal is to run this single command from inside a shell script on a redhat machine. I've used the script for years on an ubuntu machine, but i have fewer privileges on redhat. I'll describe my attempted solution below, but wanted to frame the question first.
read -r val1 val2 val3 <<<$(python3 script_name.py "$json_args")
In redhat, i had to install python/pip3.5 as sudo... like this...
sudo yum -y install https://centos7.iuscommunity.org/ius-release.rpm
sudo yum -y install python35u
sudo yum -y install python35u-pip
sudo pip3.5 install --upgrade pip
sudo pip3.5 install boto3
sudo pip3.5 install awscli --upgrade --user
different machines may have different python versions, so I created an alias for python3 in .bash_profile so the same shell script works everywhere.
echo 'alias python3="python3.5"' >>~/.bash_profile
now... everything was locked down in python... I could import boto3, but it wasn't usable... from python3 command line to demonstrate...
>>> import boto3
>>> boto3.__version__
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
AttributeError: module 'boto3' has no attribute '__version__'
so I tried running python3 as 'sudo', but got...
sudo: python3: command not found
so I added an alias to .bashrc like this...
echo 'alias sudo="sudo "' >>~/.bashrc
Great! now things seem to work! i can finally run the command i originally wanted (see below).
sudo python3 script_name.py args
or more specifically (note the added sudo compared to my intro)...
read -r val1 val2 val3 <<<$(sudo python3 script_name.py "$json_args")
working great from the command line!
... until I try putting it in a shell script. now I'm back to my original error...
sudo: python3: command not found
I've tried all kinds of things... putting the 'sudo ' alias in the script... putting it in /root/.bashrc... a few other random things.
At this point I suspect i could run the bash script as sudo too... but that starts to cause all kinds of other problems and I suspect is a pretty terrible security practice. I feel like I've gone off the rails and there's some much smarter solution here.
any ideas for either
sudo python3 to work inside the shell script without running the shell script as sudo?thanks in advance
EDIT
based on suggestions below from @JulianLoaiza and @TerryCarmen, the chown -R allows me to run python3 without the sudo... but boto3 can't authorize me anymore when I do. Checking sys.path there's only one difference from python's perspective... that's
'/root/.local/lib/python3.5/site-packages''/home/ec2-user/.local/lib/python3.5/site-packages'both have '/usr/lib/python3.5/site-packages', which appears last (and contains the libs I explicitly installed).
what might be happening... /root/.local/lib/python3.5/site-packages has nothing in it about awscli or boto... /home/ec2-user/.local/lib/python3.5/site-packages DOES have 'awscli' and 'botocore' stuff in it. So does /usr/lib/python3.5/site-packages... which also has boto3 and other libs I explicitly intalled.
Could python be getting confused by looking in /home/ec2-user/.local/lib/python3.5/site-packages before /usr/lib/python3.5/site-packages when I'm not logged in as 'sudo'?
You can try change the folder ownership,
sudo chown -R ec2-user:ec2-user /usr/lib/python2.7
sudo chown -R ec2-user:ec2-user /usr/lib64/python2.7