[router-advertiser] Add templated script to wait for pertinent interfaces to be ready before starting radvd (#2558)
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@ -30,6 +30,6 @@ RUN rm -rf /debs
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COPY ["start.sh", "/usr/bin/"]
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COPY ["start.sh", "/usr/bin/"]
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COPY ["docker-router-advertiser.supervisord.conf", "/etc/supervisor/conf.d/"]
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COPY ["docker-router-advertiser.supervisord.conf", "/etc/supervisor/conf.d/"]
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COPY ["radvd.conf.j2", "/usr/share/sonic/templates/"]
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COPY ["radvd.conf.j2", "wait_for_intf.sh.j2", "/usr/share/sonic/templates/"]
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ENTRYPOINT ["/usr/bin/supervisord"]
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ENTRYPOINT ["/usr/bin/supervisord"]
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@ -21,5 +21,12 @@ if [ $NUM_IFACES -eq 0 ]; then
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exit 0
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exit 0
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fi
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fi
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# Generate the script that waits for pertinent interfaces to come up and make it executable
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sonic-cfggen -d -t /usr/share/sonic/templates/wait_for_intf.sh.j2 > /usr/bin/wait_for_intf.sh
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chmod +x /usr/bin/wait_for_intf.sh
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# Wait for pertinent interfaces to come up
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/usr/bin/wait_for_intf.sh
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# Start the router advertiser
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# Start the router advertiser
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supervisorctl start radvd
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supervisorctl start radvd
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32
dockers/docker-router-advertiser/wait_for_intf.sh.j2
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32
dockers/docker-router-advertiser/wait_for_intf.sh.j2
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@ -0,0 +1,32 @@
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#!/usr/bin/env bash
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STATE_DB_IDX="6"
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VLAN_TABLE_PREFIX="VLAN_TABLE"
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function wait_until_iface_ready
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{
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TABLE_PREFIX=$1
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IFACE=$2
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echo "Waiting until interface $IFACE is ready..."
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# Wait for the interface to come up
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# (i.e., interface is present in STATE_DB and state is "ok")
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while true; do
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RESULT=$(redis-cli -n ${STATE_DB_IDX} HGET "${TABLE_PREFIX}|${IFACE}" "state" 2> /dev/null)
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if [ x"$RESULT" == x"ok" ]; then
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break
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fi
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sleep 1
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done
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echo "Interface ${IFACE} is ready!"
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}
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# Wait for all interfaces to be up and ready
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{% for (name, prefix) in VLAN_INTERFACE %}
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wait_until_iface_ready ${VLAN_TABLE_PREFIX} {{ name }}
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{% endfor %}
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@ -2,6 +2,7 @@
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DOCKER_ROUTER_ADVERTISER = docker-router-advertiser.gz
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DOCKER_ROUTER_ADVERTISER = docker-router-advertiser.gz
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$(DOCKER_ROUTER_ADVERTISER)_PATH = $(DOCKERS_PATH)/docker-router-advertiser
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$(DOCKER_ROUTER_ADVERTISER)_PATH = $(DOCKERS_PATH)/docker-router-advertiser
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$(DOCKER_ROUTER_ADVERTISER)_DEPENDS += $(REDIS_TOOLS)
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$(DOCKER_ROUTER_ADVERTISER)_LOAD_DOCKERS = $(DOCKER_CONFIG_ENGINE_STRETCH)
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$(DOCKER_ROUTER_ADVERTISER)_LOAD_DOCKERS = $(DOCKER_CONFIG_ENGINE_STRETCH)
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SONIC_DOCKER_IMAGES += $(DOCKER_ROUTER_ADVERTISER)
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SONIC_DOCKER_IMAGES += $(DOCKER_ROUTER_ADVERTISER)
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SONIC_INSTALL_DOCKER_IMAGES += $(DOCKER_ROUTER_ADVERTISER)
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SONIC_INSTALL_DOCKER_IMAGES += $(DOCKER_ROUTER_ADVERTISER)
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