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[snmp] Configure snmp docker hostname from config DB #2773

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Merged
qiluo-msft merged 2 commits into from
Apr 16, 2019
Merged

[snmp] Configure snmp docker hostname from config DB #2773

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[snmp] Configure snmp docker hostname from config DB
vsenchyshyn Apr 11, 2019
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Fixed reviewer comments
vsenchyshyn Apr 15, 2019
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11 changes: 11 additions & 0 deletions dockers/docker-snmp-sv2/start.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,17 @@ sonic-cfggen -d -y /etc/sonic/snmp.yml -t /usr/share/sonic/templates/snmpd.conf.
mkdir -p /var/sonic
echo "# Config files managed by sonic-config-engine" > /var/sonic/config_status

CURRENT_HOSTNAME=`hostname`
HOSTNAME=`sonic-cfggen -d -v DEVICE_METADATA[\'localhost\'][\'hostname\']`
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@qiluo-msft qiluo-msft Apr 13, 2019 •
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HOSTNAME [](start = 0, length = 8)

Will you handle command error or empty hostname cases? #Closed

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@vsenchyshyn vsenchyshyn Apr 15, 2019

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HOSTNAME [](start = 0, length = 8)

Will you handle command error or empty hostname cases?

Added validation. Please check.


if [ "$?" == "0" ] && [ "$HOSTNAME" != "" ]; then
echo $HOSTNAME > /etc/hostname
hostname -F /etc/hostname

sed -i "/\s$CURRENT_HOSTNAME$/d" /etc/hosts
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@qiluo-msft qiluo-msft Feb 29, 2020

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sed -i "/\s$CURRENT_HOSTNAME$/d" /etc/hosts [](start = 4, length = 43)

This line does not work inside docker container.
ref: http://blog.jonathanargentiero.com/docker-sed-cannot-rename-etcsedl8ysxl-device-or-resource-busy/

Could you double check and fix?

echo "127.0.0.1 $HOSTNAME" >> /etc/hosts
fi

rm -f /var/run/rsyslogd.pid

supervisorctl start rsyslogd
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