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ipa-replica-conncheck: handle ssh not installed

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When ipa-replica-conncheck is run but ssh is not installed, the tool exits
with a stack trace. Properly handle the error by raising an Exception in the
SshExec constructor, and catch the exception in order to ignore the error and
skip ssh test.

The tool will exit with the following output:
[...]
Check RPC connection to remote master
trying https://master.domain.com/ipa/session/json
Forwarding 'schema' to json server 'https://master.domain.com/ipa/session/json'
Retrying using SSH...
WARNING: ssh not installed, skipping ssh test

https://pagure.io/freeipa/issue/6935

Reviewed-By: Martin Babinsky <mbabinsk@redhat.com>
This commit is contained in:
Florence Blanc-Renaud 2017-05-18 17:01:19 +02:00 committed by Martin Babinsky
parent 7eb02a49ed
commit f960450820
1 changed files with 8 additions and 5 deletions
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11
install/tools/ipa-replica-conncheck
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@ -59,12 +59,11 @@ class SshExec(object):
self.user = user self.user = user
self.addr = addr self.addr = addr
self.cmd = distutils.spawn.find_executable('ssh') self.cmd = distutils.spawn.find_executable('ssh')
def __call__(self, command, verbose=False):
# Bail if ssh is not installed # Bail if ssh is not installed
if self.cmd is None: if self.cmd is None:
root_logger.warning("WARNING: ssh not installed, skipping ssh test") raise RuntimeError("ssh not installed")
return ('', '', 0)
def __call__(self, command, verbose=False):
tmpf = tempfile.NamedTemporaryFile() tmpf = tempfile.NamedTemporaryFile()
cmd = [ cmd = [
@ -596,7 +595,11 @@ def main():
# Ticket 5812 Always qualify requests for admin # Ticket 5812 Always qualify requests for admin
user = principal user = principal
try:
ssh = SshExec(user, options.master) ssh = SshExec(user, options.master)
except RuntimeError as e:
root_logger.warning("WARNING: %s, skipping ssh test" % e)
return 0
root_logger.info("Check SSH connection to remote master") root_logger.info("Check SSH connection to remote master")
result = ssh('echo OK', verbose=True) result = ssh('echo OK', verbose=True)