sonic-buildimage/dockers/docker-router-advertiser/docker-init.sh
Joe LeVeque 1ee4fa5a40 [docker-radv] Fix startup issues (#5230)
**- Why I did it**

PR https://github.com/Azure/sonic-buildimage/pull/4599 introduced two bugs in the startup of the router advertiser container:

1. References to the `wait_for_intf.sh` script were changed to `wait_for_link.sh`, but the actual script was not renamed
2. The `ipv6_found` Jinja2 variable added to the supervisor config file goes out of scope before it is read.

**- How I did it**
1. Rename the `wait_for_intf.sh` script to `wait_for_link.sh`
2. Use the Jinja2 "namespace" construct to fix the scope issue

**- How to verify it**

Ensure all processes in the radv container start properly under the correct conditions (i.e., whether or not there is at least one VLAN with an IPv6 address assigned).
2020-09-04 21:20:08 +00:00

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Bash
Executable File

#!/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 the script that waits for pertinent interfaces to come up and make it executable
sonic-cfggen -d -t /usr/share/sonic/templates/wait_for_link.sh.j2 > /usr/bin/wait_for_link.sh
chmod +x /usr/bin/wait_for_link.sh
exec /usr/bin/supervisord