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[radv] Reduce Calls to SONiC Cfggen (#5178)

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Calls to sonic-cfggen is CPU expensive. This PR reduces calls to
sonic-cfggen to one call during startup when starting radv service.

singed-off-by: Tamer Ahmed <tamer.ahmed@microsoft.com>
This commit is contained in:
Tamer Ahmed 2020-08-17 15:48:04 -07:00 committed by GitHub
parent 89f3206a3f
commit adcca53b8d
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1 changed files with 9 additions and 5 deletions
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14
dockers/docker-router-advertiser/docker-init.sh
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@ -1,13 +1,17 @@
#!/usr/bin/env bash
mkdir -p /etc/supervisor/conf.d
sonic-cfggen -d -t /usr/share/sonic/templates/docker-router-advertiser.supervisord.conf.j2 > /etc/supervisor/conf.d/supervisord.conf
# Generate /etc/radvd.conf config file
sonic-cfggen -d -t /usr/share/sonic/templates/radvd.conf.j2 > /etc/radvd.conf
# Generate supervisord router advertiser config, /etc/radvd.conf config file, and
# the script that waits for pertinent interfaces to come up and make it executable
CFGGEN_PARAMS=" \
-d \
-t /usr/share/sonic/templates/docker-router-advertiser.supervisord.conf.j2,/etc/supervisor/conf.d/supervisord.conf \
-t /usr/share/sonic/templates/radvd.conf.j2,/etc/radvd.conf \
-t /usr/share/sonic/templates/wait_for_intf.sh.j2,/usr/bin/wait_for_intf.sh \
"
sonic-cfggen $CFGGEN_PARAMS
# Generate the script that waits for pertinent interfaces to come up and make it executable
sonic-cfggen -d -t /usr/share/sonic/templates/wait_for_intf.sh.j2 > /usr/bin/wait_for_intf.sh
chmod +x /usr/bin/wait_for_intf.sh
exec /usr/bin/supervisord