simple asterisk build for docker image, version 20-latest
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.gitignore
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.gitignore
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etc/
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log/
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spool/
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20-debian/Dockerfile
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20-debian/Dockerfile
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FROM debian:bookworm-slim
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LABEL maintainer="Florian Overkamp <docker@flrn.eu>"
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ADD asterisk-wrapper.sh /usr/local/sbin/asterisk-wrapper.sh
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ADD asterisk-build.sh /usr/local/sbin/asterisk-build.sh
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RUN apt-get update && apt-get upgrade -y && \
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apt-get -y install pkg-config curl msmtp sox mpg123 && \
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asterisk-build.sh && rm /usr/local/sbin/asterisk-build.sh && \
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cd /etc/asterisk && tar czf /etc/ast-conf.tgz *
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VOLUME /etc/asterisk
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VOLUME /var/spool/asterisk
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VOLUME /var/log/asterisk
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VOLUME /var/lib/asterisk/agi-bin
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VOLUME /var/lib/asterisk/sounds/prompts
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VOLUME /usr/local/bin
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EXPOSE 5060/udp
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EXPOSE 5060
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WORKDIR /etc/asterisk
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CMD ["/usr/local/sbin/asterisk-wrapper.sh"]
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20-debian/asterisk-build.sh
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20-debian/asterisk-build.sh
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#!/bin/bash
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apt-get -y install build-essential libssl-dev libedit-dev uuid-dev libxml2-dev libsqlite3-dev
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cd /usr/src
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curl -L http://downloads.asterisk.org/pub/telephony/asterisk/asterisk-20-current.tar.gz > asterisk.tar.gz
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tar zxf asterisk.tar.gz
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cd asterisk-20.*
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# set compiler flags for cross system compatibility
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export ASTCFLAGS="-g -O2 -march=x86-64 -fstack-protector-strong -Wformat -Werror=format-security"
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# configure to use the bundled jansson libs (less dependancy on base image)
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./configure --with-jansson-bundled
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make
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make install
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make samples
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cd /usr/src
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rm -rf *
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apt-get -y purge build-essential
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apt -y autoremove
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adduser --system --home /var/lib/asterisk --shell /sbin/nologin --group asterisk
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chown -R asterisk:asterisk /var/lib/asterisk
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20-debian/asterisk-wrapper.sh
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20-debian/asterisk-wrapper.sh
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#!/bin/bash
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echo "========================================="
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echo " Asterisk container starting up "
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echo "========================================="
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if [[ ! -f /etc/asterisk/asterisk.conf ]]
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then
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# extract default distro config in volume
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echo " -- No asterisk.conf found, unpacking distribution config for production"
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cd /etc/asterisk
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tar zxf /etc/ast-conf.tgz
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# (also) extract default distro config in dpkg-dist for easy reference
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rm -rf dpkg-dist
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mkdir dpkg-dist
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cd dpkg-dist
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tar zxf /etc/ast-conf.tgz
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else
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# extract default distro config in dpkg-dist for easy reference
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echo " -- Existing asterisk.conf found, unpacking distribution config in reference folder"
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cd /etc/asterisk
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rm -rf dpkg-dist
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mkdir dpkg-dist
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cd dpkg-dist
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tar zxf /etc/ast-conf.tgz
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fi
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# ensure cdr-csv subdir exists
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mkdir -p /var/log/asterisk/cdr-csv
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# fix permissions
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chown -R asterisk:asterisk /etc/asterisk
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chmod -R o+r /etc/asterisk
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chown -R asterisk:asterisk /var/spool/asterisk
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chmod -R o+r /var/spool/asterisk
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chown -R asterisk:asterisk /var/log/asterisk
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chmod -R o+r /var/log/asterisk
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# detect public IPv4 address and configure for sip
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if [ -z "$IP4" ]; then
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IP4=`curl -4 -s http://icanhazip.com/`
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echo " -- Detected external (public) IPv4 address $IP4 (requested from icanhazip)"
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echo " -- You can override this by passing the IP4 environment variable with the desired address"
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else
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echo " -- Detected external (public) IPv4 address $IP4 (set from environment)"
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fi
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sed -ri "s/external_media_address=(([0-9]{1,3}\.){3}[0-9]{1,3})/external_media_address=$IP4/g" /etc/asterisk/pjsip.conf
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sed -ri "s/external_signaling_address=(([0-9]{1,3}\.){3}[0-9]{1,3})/external_signaling_address=$IP4/g" /etc/asterisk/pjsip.conf
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# configure msmtp
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echo "account default" > /etc/msmtprc
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if [ -n "$SMARTHOST" ]; then
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IFS=: read -r SMARTHOST_HOST SMARTHOST_PORT <<< "$SMARTHOST"
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echo " -- Expanding '$SMARTHOST' as default SMTP relay"
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fi
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if [ -n "$SMARTHOST_HOST" ]; then
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echo "host $SMARTHOST_HOST" >> /etc/msmtprc
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echo " -- Set '$SMARTHOST_HOST' as default SMTP relay host"
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else
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echo "host mail" >> /etc/msmtprc
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echo " -- Using 'mail' as default SMTP relay host"
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fi
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if [ -n "$SMARTHOST_PORT" ]; then
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echo "port $SMARTHOST_PORT" >> /etc/msmtprc
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echo " -- Set $SMARTHOST_PORT as default SMTP relay port"
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else
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echo "port 587" >> /etc/msmtprc
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echo " -- Using 587 as default SMTP relay port"
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fi
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echo "from msmtp@asterisk" >> /etc/msmtprc
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# create symlink for asterisk to use
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ln -s /usr/bin/msmtp /usr/sbin/sendmail
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# go live
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echo " -- Launching Asterisk"
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/usr/sbin/asterisk -f -p -U asterisk
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