mirror of
https://github.com/pi-hole/docker-pi-hole.git
synced 2025-12-19 18:08:35 +00:00
2 spaces -> 4 spaces in start.sh
Signed-off-by: Adam Warner <me@adamwarner.co.uk>
This commit is contained in:
Adam Warner
236
src/start.sh
236
src/start.sh
@@ -1,12 +1,12 @@
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#!/bin/bash
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if [ ! -x /bin/sh ]; then
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echo "Executable test for /bin/sh failed. Your Docker version is too old to run Alpine 3.14+ and Pi-hole. You must upgrade Docker.";
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exit 1;
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echo "Executable test for /bin/sh failed. Your Docker version is too old to run Alpine 3.14+ and Pi-hole. You must upgrade Docker.";
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exit 1;
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fi
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if [ "${PH_VERBOSE:-0}" -gt 0 ]; then
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set -x
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set -x
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fi
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trap stop TERM INT QUIT HUP ERR
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@@ -16,140 +16,140 @@ TRAP_TRIGGERED=0
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start() {
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# The below functions are all contained in bash_functions.sh
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# shellcheck source=/dev/null
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. /usr/bin/bash_functions.sh
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# The below functions are all contained in bash_functions.sh
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# shellcheck source=/dev/null
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. /usr/bin/bash_functions.sh
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# If the file /etc/pihole/setupVars.conf exists, but /etc/pihole/pihole.toml does not, then we are migrating v5->v6
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# FTL Will handle the migration of the config files
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if [[ -f /etc/pihole/setupVars.conf && ! -f /etc/pihole/pihole.toml ]]; then
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echo " [i] v5 files detected that have not yet been migrated to v6"
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# If the file /etc/pihole/setupVars.conf exists, but /etc/pihole/pihole.toml does not, then we are migrating v5->v6
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# FTL Will handle the migration of the config files
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if [[ -f /etc/pihole/setupVars.conf && ! -f /etc/pihole/pihole.toml ]]; then
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echo " [i] v5 files detected that have not yet been migrated to v6"
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echo ""
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migrate_v5_configs
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fi
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# ===========================
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# Initial checks
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# ===========================
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# If PIHOLE_UID is set, modify the pihole user's id to match
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set_uid_gid
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# Configure FTL with any environment variables if needed
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echo " [i] Starting FTL configuration"
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ftl_config
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# Install additional packages inside the container if requested
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install_additional_packages
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# Start crond for scheduled scripts (logrotate, pihole flush, gravity update etc)
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start_cron
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# Install the logrotate config file
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install_logrotate
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#migrate Gravity Database if needed:
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migrate_gravity
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echo " [i] pihole-FTL pre-start checks"
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# Run the post stop script to cleanup any remaining artifacts from a previous run
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sh /opt/pihole/pihole-FTL-poststop.sh
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fix_capabilities
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sh /opt/pihole/pihole-FTL-prestart.sh
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echo " [i] Starting pihole-FTL ($FTL_CMD) as ${DNSMASQ_USER}"
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echo ""
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migrate_v5_configs
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fi
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# ===========================
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# Initial checks
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# ===========================
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capsh --user="${DNSMASQ_USER}" --keep=1 -- -c "/usr/bin/pihole-FTL $FTL_CMD >/dev/null" &
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# Notes on above:
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# - DNSMASQ_USER default of pihole is in Dockerfile & can be overwritten by runtime container env
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# - /var/log/pihole/pihole*.log has FTL's output that no-daemon would normally print in FG too
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# prevent duplicating it in docker logs by sending to dev null
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# If PIHOLE_UID is set, modify the pihole user's id to match
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set_uid_gid
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# We need the PID of the capsh process so that we can wait for it to finish
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CAPSH_PID=$!
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# Configure FTL with any environment variables if needed
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echo " [i] Starting FTL configuration"
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ftl_config
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# Wait until the log file exists before continuing
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while [ ! -f /var/log/pihole/FTL.log ]; do
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sleep 0.5
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done
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# Install additional packages inside the container if requested
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install_additional_packages
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# Wait until the FTL log contains the "FTL started" message before continuing
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while ! grep -q '########## FTL started' /var/log/pihole/FTL.log; do
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sleep 0.5
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done
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# Start crond for scheduled scripts (logrotate, pihole flush, gravity update etc)
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start_cron
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pihole updatechecker
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local versionsOutput
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versionsOutput=$(pihole -v)
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echo " [i] Version info:"
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printf "%b" "${versionsOutput}\\n" | sed 's/^/ /'
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echo ""
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# Install the logrotate config file
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install_logrotate
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if [ "${TAIL_FTL_LOG:-1}" -eq 1 ]; then
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# Start tailing the FTL log from the most recent "FTL Started" message
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# Get the line number
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startFrom=$(grep -n '########## FTL started' /var/log/pihole/FTL.log | tail -1 | cut -d: -f1)
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# Start the tail from the line number and background it
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tail --follow=name -n +"${startFrom}" /var/log/pihole/FTL.log &
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else
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echo " [i] FTL log output is disabled. Remove the Environment variable TAIL_FTL_LOG, or set it to 1 to enable FTL log output."
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fi
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#migrate Gravity Database if needed:
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migrate_gravity
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echo " [i] pihole-FTL pre-start checks"
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# Run the post stop script to cleanup any remaining artifacts from a previous run
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sh /opt/pihole/pihole-FTL-poststop.sh
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fix_capabilities
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sh /opt/pihole/pihole-FTL-prestart.sh
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echo " [i] Starting pihole-FTL ($FTL_CMD) as ${DNSMASQ_USER}"
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echo ""
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capsh --user="${DNSMASQ_USER}" --keep=1 -- -c "/usr/bin/pihole-FTL $FTL_CMD >/dev/null" &
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# Notes on above:
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# - DNSMASQ_USER default of pihole is in Dockerfile & can be overwritten by runtime container env
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# - /var/log/pihole/pihole*.log has FTL's output that no-daemon would normally print in FG too
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# prevent duplicating it in docker logs by sending to dev null
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# We need the PID of the capsh process so that we can wait for it to finish
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CAPSH_PID=$!
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# Wait until the log file exists before continuing
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while [ ! -f /var/log/pihole/FTL.log ]; do
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sleep 0.5
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done
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# Wait until the FTL log contains the "FTL started" message before continuing
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while ! grep -q '########## FTL started' /var/log/pihole/FTL.log; do
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sleep 0.5
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done
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pihole updatechecker
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local versionsOutput
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versionsOutput=$(pihole -v)
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echo " [i] Version info:"
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printf "%b" "${versionsOutput}\\n" | sed 's/^/ /'
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echo ""
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if [ "${TAIL_FTL_LOG:-1}" -eq 1 ]; then
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# Start tailing the FTL log from the most recent "FTL Started" message
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# Get the line number
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startFrom=$(grep -n '########## FTL started' /var/log/pihole/FTL.log | tail -1 | cut -d: -f1)
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# Start the tail from the line number and background it
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tail --follow=name -n +"${startFrom}" /var/log/pihole/FTL.log &
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else
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echo " [i] FTL log output is disabled. Remove the Environment variable TAIL_FTL_LOG, or set it to 1 to enable FTL log output."
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fi
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# Wait for the capsh process (which spawned FTL) to finish
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wait $CAPSH_PID
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FTL_EXIT_CODE=$?
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# Wait for the capsh process (which spawned FTL) to finish
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wait $CAPSH_PID
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FTL_EXIT_CODE=$?
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# If we are here, then FTL has exited.
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# If the trap was triggered, then stop will have already been called
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if [ $TRAP_TRIGGERED -eq 0 ]; then
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# Pass the exit code through to the stop function
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stop $FTL_EXIT_CODE
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fi
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# If we are here, then FTL has exited.
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# If the trap was triggered, then stop will have already been called
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if [ $TRAP_TRIGGERED -eq 0 ]; then
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# Pass the exit code through to the stop function
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stop $FTL_EXIT_CODE
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fi
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}
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stop() {
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local FTL_EXIT_CODE=$1
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local FTL_EXIT_CODE=$1
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# if we have nothing in FTL_EXIT_CODE, then have been called by the trap. Close FTL and wait for the CAPSH_PID to finish
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if [ -z "${FTL_EXIT_CODE}" ]; then
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TRAP_TRIGGERED=1
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echo ""
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echo " [i] Container stop requested..."
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echo " [i] pihole-FTL is running - Attempting to shut it down cleanly"
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echo ""
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killall --signal 15 pihole-FTL
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wait $CAPSH_PID
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FTL_EXIT_CODE=$?
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fi
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# Wait for a few seconds to allow the FTL log tail to catch up before exiting the container
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sleep 2
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# ensure the exit code is an integer, if not set it to 1
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if ! [[ "${FTL_EXIT_CODE}" =~ ^[0-9]+$ ]]; then
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FTL_EXIT_CODE=1
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fi
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sh /opt/pihole/pihole-FTL-poststop.sh
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# if we have nothing in FTL_EXIT_CODE, then have been called by the trap. Close FTL and wait for the CAPSH_PID to finish
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if [ -z "${FTL_EXIT_CODE}" ]; then
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TRAP_TRIGGERED=1
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echo ""
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echo " [i] Container stop requested..."
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echo " [i] pihole-FTL is running - Attempting to shut it down cleanly"
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echo " [i] pihole-FTL exited with status $FTL_EXIT_CODE"
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echo ""
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echo " [i] Container will now stop or restart depending on your restart policy"
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echo " https://docs.docker.com/engine/containers/start-containers-automatically/#use-a-restart-policy"
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echo ""
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killall --signal 15 pihole-FTL
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wait $CAPSH_PID
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FTL_EXIT_CODE=$?
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fi
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# If we are running pytest, keep the container alive for a little longer
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# to allow the tests to complete
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if [[ ${PYTEST} ]]; then
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sleep 10
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fi
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# Wait for a few seconds to allow the FTL log tail to catch up before exiting the container
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sleep 2
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# ensure the exit code is an integer, if not set it to 1
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if ! [[ "${FTL_EXIT_CODE}" =~ ^[0-9]+$ ]]; then
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FTL_EXIT_CODE=1
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fi
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sh /opt/pihole/pihole-FTL-poststop.sh
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echo ""
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echo " [i] pihole-FTL exited with status $FTL_EXIT_CODE"
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echo ""
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echo " [i] Container will now stop or restart depending on your restart policy"
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echo " https://docs.docker.com/engine/containers/start-containers-automatically/#use-a-restart-policy"
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echo ""
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# If we are running pytest, keep the container alive for a little longer
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# to allow the tests to complete
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if [[ ${PYTEST} ]]; then
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sleep 10
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fi
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exit "${FTL_EXIT_CODE}"
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exit "${FTL_EXIT_CODE}"
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}
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