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43 lines
1.7 KiB
Bash
43 lines
1.7 KiB
Bash
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#!/bin/bash
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# Modified based on Squid OCI image entrypoint
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# This entrypoint aims to forward the squid logs to stdout to assist users of
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# common container related tooling (e.g., kubernetes, docker-compose, etc) to
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# access the service logs.
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# Moreover, it invokes the squid binary, leaving all the desired parameters to
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# be provided by the "command" passed to the spawned container. If no command
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# is provided by the user, the default behavior (as per the CMD statement in
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# the Dockerfile) will be to use Ubuntu's default configuration [1] and run
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# squid with the "-NYC" options to mimic the behavior of the Ubuntu provided
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# systemd unit.
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# [1] The default configuration is changed in the Dockerfile to allow local
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# network connections. See the Dockerfile for further information.
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echo "[ENTRYPOINT] re-create snakeoil self-signed certificate removed in the build process"
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if [ ! -f /etc/ssl/private/ssl-cert-snakeoil.key ]; then
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/usr/sbin/make-ssl-cert generate-default-snakeoil --force-overwrite > /dev/null 2>&1
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fi
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tail -F /var/log/squid/access.log 2>/dev/null &
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tail -F /var/log/squid/error.log 2>/dev/null &
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tail -F /var/log/squid/store.log 2>/dev/null &
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tail -F /var/log/squid/cache.log 2>/dev/null &
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# Replace environment variables in the template and output to the squid.conf
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echo "[ENTRYPOINT] replacing environment variables in the template"
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awk '{
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while(match($0, /\${[A-Za-z_][A-Za-z_0-9]*}/)) {
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var = substr($0, RSTART+2, RLENGTH-3)
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val = ENVIRON[var]
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$0 = substr($0, 1, RSTART-1) val substr($0, RSTART+RLENGTH)
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}
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print
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}' /etc/squid/squid.conf.template > /etc/squid/squid.conf
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/usr/sbin/squid -Nz
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echo "[ENTRYPOINT] starting squid"
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/usr/sbin/squid -f /etc/squid/squid.conf -NYC 1
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