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Add CLI for configuring synchronous mode #1094

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merged 4 commits into from
Sep 23, 2020
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shi-su
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@shi-su shi-su commented Sep 3, 2020

- What I did
Add CLI to configure synchronous mode
config synchronous_mode <enable|disable>

- How I did it
Add a CLI script that writes the configuration of synchronous mode into CONFIG_DB and informs users to restart swss to apply the configuration.

- How to verify it
I verified it by testing locally with a virtual switch.

- Previous command output (if the output of a command-line utility has changed)
N/A

- New command output (if the output of a command-line utility has changed)
Wrote enable/disable synchronous mode into CONFIG_DB, swss restart required to apply the configuration

sudo needed for configuring synchronous mode
swss restart required to apply the configuration
Options to restart swss and apply the configuration:
1. config save
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@qiluo-msft qiluo-msft Sep 4, 2020

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config save [](start = 7, length = 11)

config save also has -y. Do you want using? #Closed

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Added -y in the comment

Options to restart swss and apply the configuration:
1. config save
config reload -y
2. systemctl restart swss
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@qiluo-msft qiluo-msft Sep 4, 2020

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systemctl restart swss [](start = 7, length = 22)

Do you need config save before restart? #Closed

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This is not needed, updated the help message to clarify the usage.


def main():
parser=argparse.ArgumentParser(description=
'Configure enable or disable synchronous mode between orchagent and syncd',
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@qiluo-msft qiluo-msft Sep 4, 2020

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Configure enable [](start = 11, length = 16)

Enable #Closed

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Fixed.

table.set('localhost', fvs)
print('Wrote %s synchronous mode into CONFIG_DB, swss restart required to apply the configuration'%(args.mode))
else:
print('Invalid argument: expect either enable or disable')
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print [](start = 8, length = 5)

print to stderr, and return with non zero error code. #Closed

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Updated as prescribed.

parser.print_help()

if __name__ == '__main__':
main()
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main [](start = 4, length = 4)

Do you have a plan to integrate into config CLI? Need a design doc. #Closed

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Integrated this into config CLI.

config/main.py Outdated
1. Keep and apply configuration after config reload \n
config save -y \n
config reload -y \n
2. Discard configuration after config reload \n
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@qiluo-msft qiluo-msft Sep 9, 2020

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Discard configuration after config reload [](start = 15, length = 41)

This line has nothing to do with next line. #Closed

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Removed the irrelevant line and only kept the commands to restart swss.

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One minor comment issue remains.

qiluo-msft
qiluo-msft previously approved these changes Sep 9, 2020
@shi-su
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shi-su commented Sep 10, 2020

retest this please

@lguohan
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lguohan commented Sep 10, 2020

need unit test

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please add unit test

config/main.py Outdated
config_db.mod_entry('DEVICE_METADATA' , 'localhost', {"synchronous_mode" : sync_mode})
click.echo("Wrote %s synchronous mode into CONFIG_DB, swss restart required to apply the configuration" % sync_mode)
else:
click.echo("Error: Invalid argument %s, expect either enable or disable" % sync_mode)
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click.fail()

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Thanks for the suggestion. click does not seem to have a function "fail". Using "BadParameter" instead.

config/main.py Outdated
config_db = ConfigDBConnector()
config_db.connect()
config_db.mod_entry('DEVICE_METADATA' , 'localhost', {"synchronous_mode" : sync_mode})
click.echo("Wrote %s synchronous mode into CONFIG_DB, swss restart required to apply the configuration" % sync_mode)
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please be more specific about the message, "you need config save -y and reload -y"

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Added the options to restart swss in the message.

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LGTM

@shi-su
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shi-su commented Sep 16, 2020

@lguohan Could you please let me know if this looks ok?

@shi-su shi-su merged commit e26aeed into sonic-net:master Sep 23, 2020
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3 participants