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Dockerfile
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# Declare the telegraf image so we can copy telegraf binary out of it,
# and avoid headache of having to add apt key / apt repo and/or build from src.
# hadolint ignore=DL3008,SC2086,SC2039,SC2068,DL3006
FROM telegraf AS telegraf
RUN touch /tmp/.nothing
# Build final image
# hadolint ignore=DL3008,SC2086,SC2039,SC2068,DL3006
FROM ghcr.io/sdr-enthusiasts/docker-baseimage:readsb-full
# Copy telegraf
COPY --from=telegraf /usr/bin/telegraf /usr/bin/telegraf
ENV S6_BEHAVIOUR_IF_STAGE2_FAILS=2 \
###########################################################################
##### READSBRRD ENVIRONMENT VARS #####
READSBRRD_STEP=60 \
###########################################################################
##### READSB GRAPH ENVIRONMENT VARS #####
READSB_GRAPH_SIZE="default" \
READSB_GRAPH_ALL_LARGE="no" \
READSB_GRAPH_FONT_SIZE=10.0 \
READSB_GRAPH_MAX_MESSAGES_LINE=0 \
READSB_GRAPH_LARGE_WIDTH=1096 \
READSB_GRAPH_LARGE_HEIGHT=235 \
READSB_GRAPH_SMALL_WIDTH=619 \
READSB_GRAPH_SMALL_HEIGHT=324 \
###########################################################################
##### AUTOGAIN ENVIRONMENT VARS #####
# How often the autogain.sh is run (in seconds)
AUTOGAIN_SERVICE_PERIOD=900 \
# The autogain state file (init/finetune/finish)
AUTOGAIN_STATE_FILE="/run/autogain/state" \
# The current gain figure as-set by autogain
AUTOGAIN_CURRENT_VALUE_FILE="/run/autogain/autogain_current_value" \
# The timestamp (seconds since epoch) when the current gain figure was set
AUTOGAIN_CURRENT_TIMESTAMP_FILE="/run/autogain/autogain_current_timestamp" \
# The timestamp (seconds since epoch) when the current gain figure should be reviewed
AUTOGAIN_REVIEW_TIMESTAMP_FILE="/run/autogain/autogain_review_timestamp" \
# The maximum allowable percentage of strong messages
AUTOGAIN_PERCENT_STRONG_MESSAGES_MAX=10.0 \
# The minimum allowable percentage of strong messages
AUTOGAIN_PERCENT_STRONG_MESSAGES_MIN=0.5 \
# The number of seconds that autogain "init" stage should run for, for each gain level
AUTOGAIN_INITIAL_PERIOD=7200 \
# The minimum number of local_accepted messages that autogain "init" stage should run for, for each gain level
AUTOGAIN_INITIAL_MSGS_ACCEPTED=1000000 \
# The number of seconds that autogain "finetune" stage should run for, for each gain level
AUTOGAIN_FINETUNE_PERIOD=604800 \
# The minimum number of local_accepted messages that autogain "finetune" stage should run for, for each gain level
AUTOGAIN_FINETUNE_MSGS_ACCEPTED=7000000 \
# How long to run once finetune stage has finished before we start the process over (1 year)
AUTOGAIN_FINISHED_PERIOD=31536000 \
# Maximum gain level that autogain should use
AUTOGAIN_MAX_GAIN_VALUE=49.6 \
# Minimum gain level that autogain should use
AUTOGAIN_MIN_GAIN_VALUE=0.0 \
# State file that will disappear when the container is rebuilt/restarted - so autogain can detect container restart/rebuild
AUTOGAIN_RUNNING_FILE="/tmp/.autogain_running" \
# maximum accepted gain value
AUTOGAIN_MAX_GAIN_VALUE_FILE="/run/autogain/autogain_max_value" \
# minimum accepted gain value
AUTOGAIN_MIN_GAIN_VALUE_FILE="/run/autogain/autogain_min_value" \
###########################################################################
# Protobuf data from readsb
READSB_STATS_PB_FILE="/run/readsb/stats.pb" \
# Protobuf definition
READSB_PROTO_PATH="/opt/readsb-protobuf" \
# Current gain value
GAIN_VALUE_FILE="/tmp/.gain_current" \
###########################################################################
# default BEAST out port
READSB_NET_BEAST_OUTPUT_PORT=30005 \
# default BaseStation out port
READSB_NET_SBS_OUTPUT_PORT=30003 \
# default RAW out put
READSB_NET_RAW_OUTPUT_PORT=30002 \
###########################################################################
PROMETHEUSPORT=9273 \
PROMETHEUSPATH="/metrics"
SHELL ["/bin/bash", "-o", "pipefail", "-c"]
# Copy container filesystem
COPY rootfs/ /
# hadolint ignore=DL3008,SC2086,SC2039,SC2068,DL3007,DL3008,DL3006
RUN set -x && \
TEMP_PACKAGES=() && \
KEPT_PACKAGES=() && \
# Required for automatic gain script (to interpret .pb files).
KEPT_PACKAGES+=(protobuf-compiler) && \
# Required for downloading stuff & readsb database updates
KEPT_PACKAGES+=(git) && \
# Required for building multiple packages.
TEMP_PACKAGES+=(build-essential) && \
TEMP_PACKAGES+=(pkg-config) && \
TEMP_PACKAGES+=(cmake) && \
TEMP_PACKAGES+=(autoconf) && \
TEMP_PACKAGES+=(automake) && \
# Packages for readsb web interface & graphs.
KEPT_PACKAGES+=(lighttpd) && \
KEPT_PACKAGES+=(lighttpd-mod-magnet) && \
KEPT_PACKAGES+=(collectd-core) && \
KEPT_PACKAGES+=(rrdtool) && \
KEPT_PACKAGES+=(jq) && \
# Packages for telegraf
TEMP_PACKAGES+=(apt-transport-https) && \
KEPT_PACKAGES+=(socat) && \
TEMP_PACKAGES+=(gnupg) && \
# Requirements for kalibrate-rtl
TEMP_PACKAGES+=(libtool) && \
KEPT_PACKAGES+=(libfftw3-bin) && \
TEMP_PACKAGES+=(libfftw3-dev) && \
TEMP_PACKAGES+=(libusb-1.0-0-dev) && \
# Install packages.
apt-get update && \
apt-get install -o Dpkg::Options::="--force-confold" --force-yes -y --no-install-recommends \
${KEPT_PACKAGES[@]} \
${TEMP_PACKAGES[@]} \
&& \
# grab the bias t scripts
curl -o /etc/s6-overlay/scripts/05-rtlsdr-biastee-init https://raw.githubusercontent.com/sdr-enthusiasts/sdre-bias-t-common/main/09-rtlsdr-biastee-init && \
curl -o /etc/s6-overlay/scripts/05-rtlsdr-biastee-down https://raw.githubusercontent.com/sdr-enthusiasts/sdre-bias-t-common/main/09-rtlsdr-biastee-down && \
chmod +x /etc/s6-overlay/scripts/05-rtlsdr-biastee-init && \
chmod +x /etc/s6-overlay/scripts/05-rtlsdr-biastee-down && \
git config --global advice.detachedHead false && \
# Build & install kalibrate-rtl
# See: https://discussions.flightaware.com/t/setting-frequency-offset-or-exact-frequency-ppm/15812/6
git clone https://github.com/steve-m/kalibrate-rtl.git "/src/kalibrate-rtl" && \
pushd "/src/kalibrate-rtl" && \
echo "kalibrate-rtl $(git log | head -1 | tr -s ' ' '_')" >> /VERSIONS && \
./bootstrap && \
./configure && \
make all install && \
popd && \
# readsb - Deploy webapp.
ln -s /etc/lighttpd/conf-available/01-setenv.conf /etc/lighttpd/conf-enabled/01-setenv.conf && \
ln -s /etc/lighttpd/conf-available/87-cachebust.conf /etc/lighttpd/conf-enabled/87-cachebust.conf && \
ln -s /etc/lighttpd/conf-available/89-readsb.conf /etc/lighttpd/conf-enabled/89-readsb.conf && \
ln -s /etc/lighttpd/conf-available/88-readsb-statcache.conf /etc/lighttpd/conf-enabled/88-readsb-statcache.conf && \
# Healthcheck stuff
mkdir -p /etc/lighttpd/lua && \
echo -e 'server.modules += ("mod_magnet")\n\n$HTTP["url"] =~ "^/health/?" {\n magnet.attract-physical-path-to = ("/etc/lighttpd/lua/healthcheck.lua")\n}' > /etc/lighttpd/conf-enabled/90-healthcheck.conf && \
echo -e 'lighty.content = { "OK" }\nreturn 200' > /etc/lighttpd/lua/healthcheck.lua && \
# readsb - users/permissions/dirs.
addgroup --system --gid 1000 readsb && \
useradd \
--uid 1000 \
--system \
--home-dir /usr/share/readsb \
--no-create-home \
--no-user-group \
--gid 1000 \
--groups plugdev,dialout \
readsb \
&& \
mkdir -p "/var/lib/collectd/rrd/localhost/readsb" && \
chmod -R 755 "/var/lib/collectd" && \
chown readsb "/var/lib/collectd" && \
chown -R readsb: "/usr/share/readsb" && \
mkdir -p "/run/readsb" && \
chmod -R 755 "/run/readsb" && \
chown -R readsb: "/run/readsb" && \
touch "/etc/default/readsb" && \
chown -R readsb: "/etc/default/readsb" && \
# lighttpd configuration - PID file location + permissions.
sed -i 's/^server\.pid-file.*/server.pid-file = "\/var\/run\/lighttpd\/lighttpd.pid"/g' /etc/lighttpd/lighttpd.conf && \
mkdir -p "/var/run/lighttpd" && \
chown readsb "/var/run/lighttpd" && \
# lighttpd configuration - mod_compress location + permissions.
mkdir -p "/var/cache/lighttpd/compress/script/readsb/backend" && \
mkdir -p "/var/cache/lighttpd/compress/css/bootstrap" && \
mkdir -p "/var/cache/lighttpd/compress/css/leaflet" && \
chown -R readsb:www-data "/var/cache/lighttpd" && \
chmod -R u+rwx,g+rwx "/var/cache/lighttpd" && \
# lighttpd configuration - remove "unconfigured" conf.
rm -v "/etc/lighttpd/conf-enabled/99-unconfigured.conf" && \
# lighttpd configuration - change server port (needs to be a high port as this is a rootless container).
sed -i 's/^server\.port.*/server.port = 8080/g' /etc/lighttpd/lighttpd.conf && \
# lighttpd configuration - remove errorlog, lighttpd runs in the foreground so errors will show in container log.
sed -i 's/^server\.errorlog.*//g' /etc/lighttpd/lighttpd.conf && \
# collectd configuration - move collectd DataDir under /run & set correct permissions.
mv -v "/var/lib/collectd" "/run" && \
chown -R readsb "/run/collectd" && \
ln -s "/run/collectd" "/var/lib" && \
# copy our config in & remove empty dir
mv -v /etc/collectd.readsb/collectd.conf /etc/collectd/collectd.conf && \
rmdir /etc/collectd.readsb && \
# collectd configuration - remove unneeded readsb plugins.
sed -i 's/^LoadPlugin syslog.*//g' /etc/collectd/collectd.conf.d/readsb.collectd.conf && \
sed -i 's/^LoadPlugin exec.*//g' /etc/collectd/collectd.conf.d/readsb.collectd.conf && \
sed -i 's/^LoadPlugin curl.*//g' /etc/collectd/collectd.conf.d/readsb.collectd.conf && \
# collectd configuration - remove syslog configuration from readsb config (as we'll be logging to stdout/container log).
sed -i '/<Plugin syslog>/,/<\/Plugin>/d' /etc/collectd/collectd.conf.d/readsb.collectd.conf && \
# collectd configuration - change default disk from mmcblk0 to add more standard disks.
sed -i 's/Disk "mmcblk0"/Disk "mmcblk0"\n\tDisk "mmcblk1"\n\tDisk "sda"\n\tDisk "hda"/g' /etc/collectd/collectd.conf.d/readsb.collectd.conf && \
# collectd configuration - add gain (using the file created by autogain start script and updates)
sed -i 's/<Chain "PostCache">/<Plugin table>\n\t<Table "\/tmp\/.gain_current">\n\t\tInstance localhost\n\t\tSeparator " "\n\t\t<Result>\n\t\t\tType gauge\n\t\t\tInstancePrefix "gain"\n\t\t\tValuesFrom 0\n\t\t<\/Result>\n\t<\/Table>\n<\/Plugin>\n\n<Chain "PostCache">/g' /etc/collectd/collectd.conf.d/readsb.collectd.conf && \
# graphs.sh - add required configuration for gain to be added to graphs
sed -i '/--vertical-label "dBFS"/ {N; s/--right-axis 1:0 \\/--right-axis 1.2:50 \\\n\t\t--right-axis-label "dB" \\/}' /usr/share/readsb/graphs/graphs.sh && \
sed -i 's/"DEF:peak=$(check $2\/dbfs_max_signal.rrd):value:MAX" \\/"DEF:peak=$(check $2\/dbfs_max_signal.rrd):value:MAX" \\\n "DEF:dgain=$(check \/var\/run\/collectd\/rrd\/localhost\/table-localhost\/gauge-gain.rrd):value:AVERAGE" \\/g' /usr/share/readsb/graphs/graphs.sh && \
sed -i 's/"CDEF:mes=median,UN,signal,median,IF" \\/"CDEF:mes=median,UN,signal,median,IF" \\\n\t\t"CDEF:gain=dgain,1.2,*,50,-" \\/g' /usr/share/readsb/graphs/graphs.sh && \
sed -i 's/"GPRINT:peak:MAX:%4.1lf\\c" \\/"GPRINT:peak:MAX:%4.1lf\\c" \\\n\t\t"LINE1:gain#$RED:Gain Level (RHS)\\:" \\\n\t\t"GPRINT:dgain:LAST:%4.1lf\\c" \\/g' /usr/share/readsb/graphs/graphs.sh && \
# set up auto-gain file structure
mkdir -p "/run/autogain" && \
chown readsb "/run/autogain" && \
# Configure telegraf
mkdir -p /etc/telegraf/telegraf.d && \
mv -v /etc/telegraf.readsb/telegraf.conf /etc/telegraf/telegraf.conf && \
rmdir /etc/telegraf.readsb && \
echo "telegraf --version" >> /VERSIONS && \
# Update readsb webapp databases
# attempt download of aircrafts.json
curl \
--location \
-o /usr/share/readsb/html/db/aircrafts.json \
-z /usr/share/readsb/html/db/aircrafts.json \
'https://github.com/Mictronics/readsb-protobuf/raw/dev/webapp/src/db/aircrafts.json' \
&& \
# attempt download of dbversion.json
curl \
--location \
-o /usr/share/readsb/html/db/dbversion.json \
-z /usr/share/readsb/html/db/dbversion.json \
'https://github.com/Mictronics/readsb-protobuf/raw/dev/webapp/src/db/dbversion.json' \
&& \
# attempt download of operators.json
curl \
--location \
-o /usr/share/readsb/html/db/operators.json \
-z /usr/share/readsb/html/db/operators.json \
'https://github.com/Mictronics/readsb-protobuf/raw/dev/webapp/src/db/operators.json' \
&& \
# attempt download of types.json
curl \
--location \
-o /usr/share/readsb/html/db/types.json \
-z /usr/share/readsb/html/db/types.json \
'https://github.com/Mictronics/readsb-protobuf/raw/dev/webapp/src/db/types.json' \
&& \
# Clean-up.
apt-get remove -y ${TEMP_PACKAGES[@]} && \
apt-get autoremove -y && \
rm -rf /src/* /tmp/* /var/lib/apt/lists/* && \
# Document versions.
echo "readsb $(readsb --version | cut -d ' ' -f 2)" >> /VERSIONS && \
cat /VERSIONS && \
readsb --version | cut -d ' ' -f 2 > /CONTAINER_VERSION
# Set s6 init as entrypoint
ENTRYPOINT [ "/init" ]
# Add healthcheck
HEALTHCHECK --start-period=3600s --interval=600s CMD /scripts/healthcheck.sh
# This container can't be rootless - readsb can't talk to RTLSDR if USER is set :-(