mirror of
https://github.com/Tecnativa/docker-socket-proxy
synced 2024-10-13 03:18:57 +00:00
add config templating
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87428842ed
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@ -9,6 +9,7 @@ ENV ALLOW_RESTARTS=0 \
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COMMIT=0 \
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CONFIGS=0 \
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CONTAINERS=0 \
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DISABLE_IPV6=0 \
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DISTRIBUTION=0 \
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EVENTS=1 \
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EXEC=0 \
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@ -30,4 +31,5 @@ ENV ALLOW_RESTARTS=0 \
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TASKS=0 \
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VERSION=1 \
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VOLUMES=0
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COPY haproxy.cfg /usr/local/etc/haproxy/haproxy.cfg
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COPY docker-entrypoint.sh /usr/local/bin/
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COPY haproxy.cfg /usr/local/etc/haproxy/haproxy.cfg.template
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33
docker-entrypoint.sh
Executable file
33
docker-entrypoint.sh
Executable file
@ -0,0 +1,33 @@
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#!/bin/sh
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set -e
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# Normalize the input for DISABLE_IPV6 to lowercase
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DISABLE_IPV6_LOWER=$(echo "$DISABLE_IPV6" | tr '[:upper:]' '[:lower:]')
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# Check for different representations of 'true' and set BIND_CONFIG
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case "$DISABLE_IPV6_LOWER" in
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1|true|yes)
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BIND_CONFIG=":2375"
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;;
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*)
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BIND_CONFIG="[::]:2375 v4v6"
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;;
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esac
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# Process the HAProxy configuration template using sed
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sed "s/\${BIND_CONFIG}/$BIND_CONFIG/g" /usr/local/etc/haproxy/haproxy.cfg.template > /usr/local/etc/haproxy/haproxy.cfg
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# first arg is `-f` or `--some-option`
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if [ "${1#-}" != "$1" ]; then
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set -- haproxy "$@"
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fi
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if [ "$1" = 'haproxy' ]; then
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shift # "haproxy"
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# if the user wants "haproxy", let's add a couple useful flags
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# -W -- "master-worker mode" (similar to the old "haproxy-systemd-wrapper"; allows for reload via "SIGUSR2")
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# -db -- disables background mode
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set -- haproxy -W -db "$@"
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fi
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exec "$@"
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@ -44,7 +44,7 @@ backend docker-events
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timeout server 0
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frontend dockerfrontend
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bind :::2375 v4v6
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bind ${BIND_CONFIG}
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http-request deny unless METH_GET || { env(POST) -m bool }
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/[a-zA-Z0-9_.-]+/((stop)|(restart)|(kill)) } { env(ALLOW_RESTARTS) -m bool }
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http-request allow if { path,url_dec -m reg -i ^(/v[\d\.]+)?/containers/[a-zA-Z0-9_.-]+/start } { env(ALLOW_START) -m bool }
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