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Commit 17ff1170 authored by Jairo Llopis's avatar Jairo Llopis
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:tada: Hello world

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FROM haproxy:1.7-alpine
MAINTAINER Tecnativa <info@tecnativa.com>
EXPOSE 2375
ENV AUTH=0 \
BUILD=0 \
COMMIT=0 \
CONTAINERS=0 \
EVENTS=1 \
EXEC=0 \
IMAGES=0 \
INFO=0 \
NETWORKS=0 \
NODES=0 \
PING=1 \
PLUGINS=0 \
POST=0 \
SECRETS=0 \
SERVICES=0 \
SWARM=0 \
SYSTEM=0 \
TASKS=0 \
VERSION=1 \
VOLUMES=0
COPY haproxy.cfg /usr/local/etc/haproxy/haproxy.cfg
# Metadata
ARG VCS_REF
ARG BUILD_DATE
LABEL org.label-schema.schema-version="1.0" \
org.label-schema.vendor=Tecnativa \
org.label-schema.license=Apache-2.0 \
org.label-schema.build-date="$BUILD_DATE" \
org.label-schema.vcs-ref="$VCS_REF" \
org.label-schema.vcs-url="https://github.com/Tecnativa/docker-tcp-proxy"
LICENSE.txt 0 → 100644
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README.md 0 → 100644
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# Docker Socket Readonly Proxy
[![](https://images.microbadger.com/badges/version/tecnativa/docker-socket-readonly:latest.svg)](https://microbadger.com/images/tecnativa/docker-socket-readonly:latest "Get your own version badge on microbadger.com")
[![](https://images.microbadger.com/badges/image/tecnativa/docker-socket-readonly:latest.svg)](https://microbadger.com/images/tecnativa/docker-socket-readonly:latest "Get your own image badge on microbadger.com")
[![](https://images.microbadger.com/badges/commit/tecnativa/docker-socket-readonly:latest.svg)](https://microbadger.com/images/tecnativa/docker-socket-readonly:latest "Get your own commit badge on microbadger.com")
[![](https://images.microbadger.com/badges/license/tecnativa/docker-socket-readonly.svg)](https://microbadger.com/images/tecnativa/docker-socket-readonly "Get your own license badge on microbadger.com")
## What?
This is a readonly proxy for the Docker Socket.
## Why?
Giving access to your Docker socket could mean giving root access to your host,
or even to your whole swarm, but some services require hooking into that socket to
react to events, etc. Using this proxy lets you block anything you consider those services should not do.
## How?
We use the official [Alpine][]-based [HAProxy][] image with a small
configuration file.
It blocks access to the Docker socket [API][] according to the environment
variables you set. It returns a `HTTP 403 Forbidden` status for those dangerous
requests that should never happen.
## Usage
## Feedback
Please send any feedback (issues, questions) to the [issue tracker][].
[Alpine]: https://alpinelinux.org/
[API]: https://docs.docker.com/engine/api/v1.27/
[HAProxy]: http://www.haproxy.org/
[issue tracker]: https://github.com/Tecnativa/docker-socket-proxy/issues
[Odoo]: https://www.odoo.com/
[proxy mode]: https://www.odoo.com/documentation/10.0/reference/cmdline.html#cmdoption-odoo.py--proxy-mode
[worker mode]: https://www.odoo.com/documentation/10.0/setup/deploy.html#worker-number-calculation
haproxy.cfg 0 → 100644
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global
log 127.0.0.1 local2
pidfile /run/haproxy.pid
maxconn 4000
# Turn on stats unix socket
server-state-file /var/lib/haproxy/server-state
defaults
mode http
log global
option httplog
option dontlognull
option http-server-close
option redispatch
retries 3
timeout http-request 10s
timeout queue 1m
timeout connect 10s
timeout client 10m
timeout server 10m
timeout http-keep-alive 10s
timeout check 10s
maxconn 3000
# Allow seamless reloads
load-server-state-from-file global
# Use provided example error pages
errorfile 400 /usr/local/etc/haproxy/errors/400.http
errorfile 403 /usr/local/etc/haproxy/errors/403.http
errorfile 408 /usr/local/etc/haproxy/errors/408.http
errorfile 500 /usr/local/etc/haproxy/errors/500.http
errorfile 502 /usr/local/etc/haproxy/errors/502.http
errorfile 503 /usr/local/etc/haproxy/errors/503.http
errorfile 504 /usr/local/etc/haproxy/errors/504.http
backend dockerbackend
server dockersocket /var/run/docker.sock
frontend dockerfrontend
bind :2375
http-request deny unless METH_GET || { env(POST) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/auth } ! { env(AUTH) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/build } ! { env(BUILD) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/commit } ! { env(COMMIT) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/containers } ! { env(CONTAINERS) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/events } ! { env(EVENTS) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/exec } ! { env(EXEC) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/images } ! { env(IMAGES) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/info } ! { env(INFO) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/networks } ! { env(NETWORKS) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/nodes } ! { env(NODES) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/_ping } ! { env(PING) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/plugins } ! { env(PLUGINS) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/post } ! { env(POST) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/secrets } ! { env(SECRETS) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/services } ! { env(SERVICES) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/swarm } ! { env(SWARM) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/system } ! { env(SYSTEM) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/tasks } ! { env(TASKS) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/version } ! { env(VERSION) -m bool }
http-request deny if { path_reg ^(/v\d+.\d+)?/volumes } ! { env(VOLUMES) -m bool }
default_backend dockerbackend
hooks/build 0 → 100755
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#!/bin/bash
set -ex
docker build \
--build-arg VCS_REF="$GIT_SHA1" \
--build-arg BUILD_DATE="$(date --rfc-3339 ns)" \
--tag "$IMAGE_NAME" .
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