more dockerization work
[From @joshdata: This is part of @toilal's work in #377 and 1eb77c332b. The changes are:
* Separates out the runit configuration from starting Mail-in-a-Box setup so that Mail-in-a-Box setup does not block the starting of runit services and we can assume that runit is running during setup (i.e. we can restart services).
* Adds a SKIP_INSTALL flag so that the container can be restarted without re-running the whole Mail-in-a-Box setup.
* Made containers/docker/run more flexible.
* I'm also adding some "|| exit 0"s to the run script to stop if there are any docker errors.
* I'm also adding the prereqs installs from questions.sh into Dockerfile so we don't have to reinstall each time.
]
This commit is contained in:
Toilal
Joshua Tauberer
parent
4eb9af2ebd
commit
e004041de2
31
Dockerfile
31
Dockerfile
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@ -19,8 +19,15 @@ FROM phusion/baseimage:0.9.16
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# Dockerfile metadata.
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MAINTAINER Joshua Tauberer (http://razor.occams.info)
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EXPOSE 25 53/udp 53/tcp 80 443 587 993
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VOLUME /data
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EXPOSE 25 53/udp 53/tcp 80 443 587 993 4190
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VOLUME /home/user-data
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# Use baseimage's init system. A correct init process is required for
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# process #1 in order to have a functioning Linux system.
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CMD ["/sbin/my_init"]
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# Create the user-data user, so the start script doesn't have to.
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RUN useradd -m user-data
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# Docker has a beautiful way to cache images after each step. The next few
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# steps of installing system packages are very intensive, so we take care
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@ -35,20 +42,16 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get upgrade -y
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# Install packages needed by Mail-in-a-Box.
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ADD containers/docker/apt_package_list.txt /tmp/mailinabox_apt_package_list.txt
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RUN DEBIAN_FRONTEND=noninteractive apt-get install -y $(cat /tmp/mailinabox_apt_package_list.txt)
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RUN DEBIAN_FRONTEND=noninteractive apt-get install -y rsyslog
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RUN rm -f /tmp/mailinabox_apt_package_list.txt
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RUN apt-get clean
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# Create the user-data user, so the start script doesn't have to.
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RUN useradd -m user-data
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# from questions.sh -- needs merging into the above line
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RUN DEBIAN_FRONTEND=noninteractive apt-get install -y dialog python3 python3-pip
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RUN pip3 install "email_validator==0.1.0-rc4"
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# Now add Mail-in-a-Box to the system.
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ADD . /usr/local/mailinabox
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# We can't know things like the IP address where the container will eventually
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# be deployed until the container is started. We also don't want to create any
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# private keys during the creation of the image --- that should wait until the
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# container is started too. So our whole setup process is deferred until the
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# container is started.
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RUN mkdir -p /etc/my_init.d
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RUN ln -s /usr/local/mailinabox/containers/docker/init.sh /etc/my_init.d/20-mailinabox.sh
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# Configure runit services.
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RUN /usr/local/mailinabox/containers/docker/tools/configure_services.sh
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# Add my_init scripts
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ADD containers/docker/my_init.d/* /etc/my_init.d/
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@ -1,79 +0,0 @@
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#!/bin/bash
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# This script is used within containers to turn it into a Mail-in-a-Box.
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# It is referenced by the Dockerfile. You should not run it directly.
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########################################################################
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# Local configuration details were not known at the time the Docker
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# image was created, so all setup is defered until the container
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# is started. That's when this script runs.
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# If we're not in an interactive shell, set defaults.
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if [ ! -t 0 ]; then
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export PUBLIC_IP=auto
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export PUBLIC_IPV6=auto
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export PRIMARY_HOSTNAME=auto
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export CSR_COUNTRY=US
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export NONINTERACTIVE=1
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fi
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# The phusion/baseimage base image we use for a working Ubuntu
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# replaces the normal Upstart system service management with
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# a ligher-weight service management system called runit that
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# requires a different configuration. We need to create service
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# run files that do not daemonize.
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# For most of the services, there is a common pattern we can use:
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# execute the init.d script that the Ubuntu package installs, and
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# then poll for the termination of the daemon.
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function make_runit_service {
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INITD_NAME=$1
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WAIT_ON_PROCESS_NAME=$2
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mkdir -p /etc/service/$INITD_NAME
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cat > /etc/service/$INITD_NAME/run <<EOF;
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#!/bin/bash
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source /usr/local/mailinabox/setup/functions.sh
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hide_output /etc/init.d/$INITD_NAME restart
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while [ \`ps a -C $WAIT_ON_PROCESS_NAME -o pid= | wc -l\` -gt 0 ]; do
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sleep 30
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done
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echo $WAIT_ON_PROCESS_NAME died.
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sleep 20
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EOF
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chmod +x /etc/service/$INITD_NAME/run
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}
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#make_runit_service bind9 named
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#make_runit_service fail2ban fail2ban
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#make_runit_service mailinabox mailinabox-daemon
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#make_runit_service memcached memcached
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#make_runit_service nginx nginx
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#make_runit_service nsd nsd
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#make_runit_service opendkim opendkim
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#make_runit_service php5-fpm php5-fpm
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#make_runit_service postfix postfix
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#make_runit_service postgrey postgrey
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#make_runit_service spampd spampd
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# Dovecot doesn't provide an init.d script, but it does provide
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# a way to launch without daemonization. We wrote a script for
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# that specifically.
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#
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# We also want to use Ubuntu's stock rsyslog rather than syslog-ng
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# that the base image provides. Our Dockerfile installs rsyslog.
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rm -rf /etc/service/syslog-ng
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for service in dovecot; do
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mkdir -p /etc/service/$service
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cp /usr/local/mailinabox/containers/docker/runit/$service.sh /etc/service/$service/run
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chmod +x /etc/service/$service/run
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done
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# Rsyslog isn't starting automatically but we need it during setup.
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service rsyslog start
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# Start configuration. Using 'source' means an exit from inside
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# also exits this script and terminates the container.
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cd /usr/local/mailinabox
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export IS_DOCKER=1
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export DISABLE_FIREWALL=1
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source setup/start.sh
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@ -0,0 +1,58 @@
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#!/bin/bash
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# This script is used within containers to turn it into a Mail-in-a-Box.
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# It is referenced by the Dockerfile. You should not run it directly.
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########################################################################
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# Local configuration details were not known at the time the Docker
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# image was created, so all setup is defered until the container
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# is started. That's when this script runs.
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# If we're not in an interactive shell, set defaults.
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if [ ! -t 0 ]; then
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echo '*** Non interactive shell detected...'
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export PUBLIC_IP=auto
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export PUBLIC_IPV6=auto
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export PRIMARY_HOSTNAME=auto
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export CSR_COUNTRY=US
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export NONINTERACTIVE=1
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fi
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if ([ -z "$FORCE_INSTALL" ] && [ -f /var/lib/mailinabox/api.key ]); then
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# Mailinabox is already installed and we don't want to reinstall
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export SKIP_INSTALL=1
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fi
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# If we are skipping install, reload from /etc/mailinabox.conf if exists
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if ([ -f /var/lib/mailinabox/api.key ] && [ ! -z "$SKIP_INSTALL" ]); then
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echo '*** Loading variables from "/etc/mailinabox.conf"...'
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source /etc/mailinabox.conf
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unset PRIVATE_IP
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unset PRIVATE_IPV6
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export SKIP_NETWORK_CHECKS=1
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export NONINTERACTIVE=1
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fi
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export DISABLE_FIREWALL=1
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cd /usr/local/mailinabox
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if [ -z "$SKIP_INSTALL" ]; then
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echo "*** Starting mailinabox installation..."
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# Run in background to avoid blocking runit initialization while installing.
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source setup/start.sh &
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else
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echo "*** Configuring mailinabox..."
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# Run in foreground for services to be started after configuration is re-written.
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source setup/questions.sh
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cat > /etc/mailinabox.conf << EOF;
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STORAGE_USER=$STORAGE_USER
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STORAGE_ROOT=$STORAGE_ROOT
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PRIMARY_HOSTNAME=$PRIMARY_HOSTNAME
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PUBLIC_IP=$PUBLIC_IP
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PUBLIC_IPV6=$PUBLIC_IPV6
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PRIVATE_IP=$PRIVATE_IP
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PRIVATE_IPV6=$PRIVATE_IPV6
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CSR_COUNTRY=$CSR_COUNTRY
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EOF
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fi
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@ -3,75 +3,112 @@
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# ==================================================================
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#
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# Run this script from the base directory of the Mail-in-a-Box
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# repository (i.e. run as 'containers/docker/run').
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# repository (i.e. run as './containers/docker/run').
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#
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# Set these optional environment variables as needed:
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# * HOST_HTTP_PORT: Host http: port to bind (default: 80).
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# * HOST_HTTPS_PORT: Host https: port to bind (default: 443).
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# * SKIP_BUILD: Skip the build of docker image (default: unset).
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# * NODNS: Skip mapping of DNS ports (53 tcp/upd). They are not always available on host, as another DNS server can be running (default: unset).
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# * CONTAINER_NAME: Name of the main container (default: mailinabox).
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# * CONTAINER_DATA_NAME: Name of the data container (default: mailinabox-data).
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# * NONINTERACTIVE: Use this when mailinabox is already installed on the volume container. Else, it's not recommanded (default: unset).
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#
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# A base image is created first. The base image installs Ubuntu
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# packages and pulls in the Mail-in-a-Box source code. This is
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# defined in Dockerfile at the root of this repository.
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#
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# A mailinabox-userdata container is started next. This container
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# A mailinabox-data container is created next. This container
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# contains nothing but a shared volume for storing user data.
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# It is segregated from the rest of the live system to make backups
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# easier.
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#
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# The mailinabox-services container is started last. It is the
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# The mailinabox container is started last. It is the
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# real thing: it runs the mailinabox image. This container will
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# initialize itself and will initialize the mailinabox-userdata
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# initialize itself and will initialize the mailinabox-data
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# volume if the volume is new.
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# Build or rebuild the image.
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# Rebuilds are very fast.
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tput setaf 2
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echo "Building/updating base image (mailinabox)..."
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tput setaf 7
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HOST_HTTP_PORT=${HOST_HTTP_PORT:-80}
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HOST_HTTPS_PORT=${HOST_HTTPS_PORT:-443}
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CONTAINER_NAME=${CONTAINER_NAME:-mailinabox}
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CONTAINER_DATA_NAME=${CONTAINER_DATA_NAME:-${CONTAINER_NAME}-data}
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docker build -q -t mailinabox .
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if ! docker ps -a | grep mailinabox-userdata > /dev/null; then
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if [ -z "$SKIP_BUILD" ]; then
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tput setaf 2
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echo
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echo "Creating a new container for your data (mailinabox-userdata)..."
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echo "Building/updating base image (mailinabox)..."
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tput setaf 7
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docker run -d \
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--name mailinabox-userdata \
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docker build -q -t mailinabox . || exit 1
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fi;
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if ! docker inspect ${CONTAINER_DATA_NAME} > /dev/null; then
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tput setaf 2
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echo
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echo "Creating a new container for your data (${CONTAINER_DATA_NAME})..."
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tput setaf 7
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docker create \
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--name ${CONTAINER_DATA_NAME} \
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-v /home/user-data \
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scratch /bin/does-not-exist-but-thats-ok
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phusion/baseimage:0.9.16 || exit 1
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else
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tput setaf 2
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echo
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echo "Using existing container mailinabox-userdata for your data."
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echo "Using existing container ${CONTAINER_DATA_NAME} for your data."
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tput setaf 7
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fi
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# End a running container.
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if docker ps -a | grep mailinabox-services > /dev/null; then
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if docker inspect ${CONTAINER_NAME} > /dev/null; then
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tput setaf 2
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echo
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echo "Destroying mailinabox-services container..."
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echo "Destroying ${CONTAINER_NAME} container..."
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tput setaf 7
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docker rm -f mailinabox-services
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docker rm -f ${CONTAINER_NAME}
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fi
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# Start container.
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tput setaf 2
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echo
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echo "Starting new container (mailinabox-services)..."
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echo "Starting new container (${CONTAINER_NAME})..."
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tput setaf 7
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# Run the services container
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# detached if NONINTERACTIVE is set,
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# interactively if NONINTERACTIVE is not set,
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# Notes:
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# * Passing through SKIP_NETWORK_CHECKS makes it easier to do testing
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# on a residential network.
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# * --privileged flag cause an issue with bind9/named failing to start in this case
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# see docker/docker#7318
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docker run \
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--privileged \
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-v /dev/urandom:/dev/random \
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-p 25 -p 53/udp -p 53/tcp -p 80 -p 443 -p 587 -p 993 \
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--name mailinabox-services \
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--volumes-from mailinabox-userdata \
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-p 25:25 \
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$([ -z "$NODNS" ] && echo "-p 53:53/udp -p 53:53/tcp") \
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-p $HOST_HTTP_PORT:80 \
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-p $HOST_HTTPS_PORT:443 \
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-p 587:587 \
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-p 993:993 \
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-p 4190:4190 \
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--name ${CONTAINER_NAME} \
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--volumes-from ${CONTAINER_DATA_NAME} \
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--restart always \
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$([ ! -z "$NONINTERACTIVE" ] && echo "-d") \
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-it \
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-e "IS_DOCKER=1" \
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-e "SKIP_NETWORK_CHECKS=$SKIP_NETWORK_CHECKS" \
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mailinabox
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mailinabox \
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|| exit 1
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if [ -z "$NONINTERACTIVE" ]; then
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tput setaf 2
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echo
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echo "Restarting container ${CONTAINER_NAME}..."
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tput setaf 7
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docker restart ${CONTAINER_NAME} || exit 1
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fi
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@ -1,3 +0,0 @@
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#!/bin/bash
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rsyslogd -n
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@ -0,0 +1,103 @@
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#!/bin/bash
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# The phusion/baseimage base image we use for a working Ubuntu
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# replaces the normal Upstart system service management with
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# a ligher-weight service management system called runit that
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# requires a different configuration. We need to create service
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# run files that do not daemonize.
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# This removes /etc/init.d service if service exists in runit.
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# It also creates a symlink from /usr/bin/sv to /etc/init.d/$service
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# to support SysV syntax: service $service <command> or /etc/init.d/$service <command>
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SERVICES=/etc/service/*
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for f in $SERVICES
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do
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service=$(basename "$f")
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if [ -d /etc/service/$service ]; then
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if [ -f /etc/init.d/$service ]; then
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mv /etc/init.d/$service /etc/init.d/$service.lsb
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chmod -x /etc/init.d/$service.lsb
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fi
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ln -s /usr/bin/sv /etc/init.d/$service
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fi
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done
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# Create runit services from sysv services. For most of the services,
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# there is a common pattern we can use: execute the init.d script that
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# the Ubuntu package installs, and then poll for the termination of
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# the daemon.
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function make_runit_service {
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INITD_NAME=$1
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WAIT_ON_PROCESS_NAME=$2
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mkdir -p /etc/service/$INITD_NAME
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cat > /etc/service/$INITD_NAME/run <<EOF;
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#!/bin/bash
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source /usr/local/mailinabox/setup/functions.sh
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hide_output /etc/init.d/$INITD_NAME restart
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while [ \`ps a -C $WAIT_ON_PROCESS_NAME -o pid= | wc -l\` -gt 0 ]; do
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sleep 30
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done
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echo $WAIT_ON_PROCESS_NAME died.
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sleep 20
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EOF
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chmod +x /etc/service/$INITD_NAME/run
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}
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make_runit_service bind9 named
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make_runit_service resolvconf resolvconf
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make_runit_service fail2ban fail2ban
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make_runit_service mailinabox mailinabox-daemon
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make_runit_service memcached memcached
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make_runit_service nginx nginx
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make_runit_service nsd nsd
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make_runit_service opendkim opendkim
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make_runit_service opendmarc opendmarc
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make_runit_service php5-fpm php5-fpm
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make_runit_service postfix postfix
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make_runit_service postgrey postgrey
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make_runit_service spampd spampd
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|
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# Dovecot doesn't provide an init.d script, but it does provide
|
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# a way to launch without daemonization. We wrote a script for
|
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# that specifically.
|
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for service in dovecot; do
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mkdir -p /etc/service/$service
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cp /usr/local/mailinabox/containers/docker/runit/$service.sh /etc/service/$service/run
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chmod +x /etc/service/$service/run
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done
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# This adds a log/run file on each runit service directory.
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# This file make services stdout/stderr output to svlogd log
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# directory located in /var/log/runit/$service.
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SERVICES=/etc/service/*
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for f in $SERVICES
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do
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service=$(basename "$f")
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if [ -d /etc/service/$service ]; then
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mkdir -p /etc/service/$service/log
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cat > /etc/service/$service/log/run <<EOF;
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#!/bin/bash
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mkdir -p /var/log/runit
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chmod o-wrx /var/log/runit
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mkdir -p /var/log/runit/$service
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chmod o-wrx /var/log/runit/$service
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exec svlogd -tt /var/log/runit/$service/
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EOF
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chmod +x /etc/service/$service/log/run
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fi
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done
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|
||||
# Disable services for now. Until Mail-in-a-Box is installed the
|
||||
# services won't be configured right and there would be errors if
|
||||
# they got run prematurely.
|
||||
SERVICES=/etc/service/*
|
||||
for f in $SERVICES
|
||||
do
|
||||
service=$(basename "$f")
|
||||
if [ "$service" = "syslog-ng" ]; then continue; fi;
|
||||
if [ "$service" = "syslog-forwarder" ]; then continue; fi;
|
||||
if [ "$service" = "ssh" ]; then continue; fi;
|
||||
if [ "$service" = "cron" ]; then continue; fi;
|
||||
if ([ -d /etc/service/$service ] && [ ! -f /etc/service/$service/down ]); then
|
||||
touch /etc/service/$service/down
|
||||
fi
|
||||
done
|
||||
|
|
@ -127,6 +127,8 @@ EOF
|
|||
chmod +x /etc/cron.daily/mailinabox-dnssec
|
||||
|
||||
# Permit DNS queries on TCP/UDP in the firewall.
|
||||
|
||||
ufw_allow domain
|
||||
|
||||
# Start nsd. None of the zones are configured until the management daemon is
|
||||
# run later, though.
|
||||
restart_service nsd
|
||||
|
|
|
|||
|
|
@ -167,19 +167,17 @@ function ufw_allow {
|
|||
}
|
||||
|
||||
function restart_service {
|
||||
# Restart a service quietly.
|
||||
if [ -z "$IS_DOCKER" ]; then
|
||||
# Restart the service.
|
||||
hide_output service $1 restart
|
||||
|
||||
if [[ ! -z "$IS_DOCKER" && "$1" == "dovecot" ]]; then
|
||||
# In Docker, sysvinit takes care of any services with an init.d
|
||||
# script. The dovecot package provides an Upstart config only,
|
||||
# and so it won't work this way. We make a new script for it
|
||||
# elsewhere. We also cant do `sv restart dovecot` because runit
|
||||
# is not running until after the setup scripts are run. So we
|
||||
# will have to skip starting dovecot for now.
|
||||
return 0
|
||||
else
|
||||
# In Docker, make sure the service is not disabled by a down file.
|
||||
if [ -f /etc/service/$1/down ]; then
|
||||
rm /etc/service/$1/down
|
||||
fi
|
||||
sv restart $1
|
||||
fi
|
||||
|
||||
hide_output service $1 restart
|
||||
}
|
||||
|
||||
## Dialog Functions ##
|
||||
|
|
|
|||
|
|
@ -184,4 +184,5 @@ chmod +x /etc/cron.hourly/mailinabox-owncloud
|
|||
|
||||
# Enable PHP modules and restart PHP.
|
||||
php5enmod imap
|
||||
restart_service memcached
|
||||
restart_service php5-fpm
|
||||
|
|
|
|||
|
|
@ -12,8 +12,10 @@ if [ -z "$NONINTERACTIVE" ]; then
|
|||
apt_get_quiet install dialog python3 python3-pip || exit 1
|
||||
fi
|
||||
|
||||
if [ -z "$IS_DOCKER" ]; then
|
||||
# email_validator is repeated in setup/management.sh
|
||||
hide_output pip3 install "email_validator==0.1.0-rc5" || exit 1
|
||||
fi
|
||||
|
||||
message_box "Mail-in-a-Box Installation" \
|
||||
"Hello and thanks for deploying a Mail-in-a-Box!
|
||||
|
|
|
|||
|
|
@ -102,14 +102,6 @@ source setup/zpush.sh
|
|||
source setup/management.sh
|
||||
source setup/munin.sh
|
||||
|
||||
# In Docker, sysvinit services are started automatically. Runit services
|
||||
# aren't started until after this setup script finishes. But we need
|
||||
# Dovecot (which is Upstart-only) running in order to create the first
|
||||
# mail user. So start dovecot now.
|
||||
if [ ! -z "$IS_DOCKER" ]; then
|
||||
/usr/sbin/dovecot -c /etc/dovecot/dovecot.conf
|
||||
fi
|
||||
|
||||
# Ping the management daemon to write the DNS and nginx configuration files.
|
||||
until nc -z -w 4 localhost 10222
|
||||
do
|
||||
|
|
|
|||
Loading…
Reference in New Issue