Hi Experts,
Need your suggestion pls.
The below one is ansible file which calls an python file in the control
node(localhost) and process an excel file which is also present in control
node based on hostnames. There is no issue in processing the excel and now
I am facing challenges while sending the file in mail.I am trying to
extract the current logged in user in control node and send mail to that
logged in user. But both my below command incoporated in python script are
not working.
#cmd = 'echo $USER
#cmd = 'who am i | cut -d" " -f 1'
output, errors, return_code = serverside_execute_command(cmd)
it seems my *serverside_execute_command(cmd):*
I executed the python program standalone it is working as expected in the
control node.But when it is called from Ansible code it is throwing the
below error. Any insight would be greatly helpful.
*Error:*
fatal: [jp1ld100 -> localhost]: FAILED! => {"changed": true, "msg":
"non-zero return code", "rc": 1, "stderr": "Traceback (most recent call
last):\n File
\"/root/.ansible/tmp/ansible-tmp-1690520194.14-32141-129555701534658/process_hostnames_v3.py\",
line 213, in <module>\n mail(filename)\n File
\"/root/.ansible/tmp/ansible-tmp-1690520194.14-32141-129555701534658/process_hostnames_v3.py\",
line 168, in mail\n if not re.match('x', output[0]):\nIndexError: list
index out of range\n", "stderr_lines": ["Traceback (most recent call
last):", " File
\"/root/.ansible/tmp/ansible-tmp-1690520194.14-32141-129555701534658/process_hostnames_v3.py\",
line 213, in <module>", " mail(dest_filename)", " File
\"/root/.ansible/tmp/ansible-tmp-1690520194.14-32141-129555701534658/process_hostnames_v3.py\",
line 168, in mail", " if not re.match('x', output[0]):", "IndexError:
list index out of range"], "stdout": "Test.xltm\nFile [Test.xltm] has been
updated and sent to mail\nDEBUG cmd: who am i | cut -d\" \" -f 1\nDEBUG
return_code: 0\n", "stdout_lines": ["Test.xltm", "File [Test.xltm] has been
updated and sent to mail", "DEBUG cmd: who am i | cut -d\" \" -f 1",
"DEBUG return_code: 0"]}
*Process.yml:*
name: Collect host
hosts: all
tasks:
- block:
- name: python
script: "process_hostnames.py '{{ arg }}'"
args:
executable: python3
delegate_to: localhost
register: out
vars:
arg: "{{ ansible_play_hosts_all | join(' ') }}"
- debug:
var: out.stdout_lines
run_once: true
*process_hostnames.py*
def *serverside_execute_command(cmd):*
import subprocess
try:
result = subprocess.run(cmd, stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
check=True, shell=True,
universal_newlines=True)
except subprocess.CalledProcessError:
print('{0}'.format(result.stdout))
sys.exit(1)
output = []
errors = []
stdout = result.stdout.splitlines()
try:
for line in stdout:
if line.strip() == "":
pass
else:
output.append(line.strip())
except UnicodeDecodeError:
output = [ "OUTPUT UNREADABLE" ]
try:
errors.append(result.stderr.strip())
except UnicodeDecodeError:
errors = [" ERRORS UNREADABLE" ]
return_code = result.returncode
print("DEBUG cmd: {0}".format(cmd))
print("DEBUG return_code: {0}".format(str(return_code)))
return (output, errors, return_code)
def mail(dest_filename):
#cmd = 'echo $USER'
cmd = 'who am i | cut -d" " -f 1'
output, errors, return_code = *serverside_execute_command(cmd)*
if not re.match('x', output[0]):
raise RuntimeError("You are {0}.Please login as xID. Then try
again.".format(result.stdout))
sys.exit(1)
xid = output[0].rstrip('\n')
if __name__ == "__main__":
file_name= "Template.xltm"
mail(file_name)
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