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https://github.com/dockersrc/almalinux
synced 2025-09-18 03:57:49 -04:00
🗃️ Committing everything that changed 🗃️
rootfs/usr/local/bin/entrypoint.sh rootfs/usr/local/etc/docker/functions/entrypoint.sh
This commit is contained in:
casjay
@@ -93,7 +93,7 @@ DATABASE_DIR="" # set database dir
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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# Healthcheck variables
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HEALTH_ENABLED="yes" # enable healthcheck [yes/no]
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SERVICES_LIST="tini" # comma seperated list of processes for the healthcheck
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SERVICES_LIST="" # auto-detected from init.d scripts - can be overridden
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HEALTH_ENDPOINTS="" # url endpoints: [http://localhost/health,http://localhost/test]
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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# Update path var
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@@ -341,7 +341,14 @@ if [ "$ENTRYPOINT_FIRST_RUN" != "no" ]; then
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fi
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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# if no pid assume container restart
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[ -f "$ENTRYPOINT_PID_FILE" ] && [ -f "/run/__start_init_scripts.pid" ] || START_SERVICES="yes"
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# if no pid assume container restart - clean stale files on restart
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if [ ! -f "$ENTRYPOINT_PID_FILE" ]; then
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START_SERVICES="yes"
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# Clean stale pid files from previous container runs
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rm -f /run/__start_init_scripts.pid /run/init.d/*.pid /run/*.pid
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elif [ ! -f "/run/__start_init_scripts.pid" ]; then
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START_SERVICES="yes"
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fi
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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[ "$ENTRYPOINT_MESSAGE" = "yes" ] && __printf_space "40" "Container ip address is:" "$CONTAINER_IP4_ADDRESS"
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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@@ -70,7 +70,108 @@ __clean_variables() {
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printf '%s' "$var" | grep -v '^$'
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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__no_exit() { [ -f "/run/no_exit.pid" ] || exec bash -c "trap 'sleep 1;rm -Rf /run/*;/tmp/*;/data/logs/start.log;exit 0' TERM INT;(while true; do echo $$ >/run/no_exit.pid;tail -qf /data/logs/start.log 2>/dev/null||sleep 20; done) & wait"; }
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# Auto-detect services from init.d scripts
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__auto_detect_services() {
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local discovered_services="tini" # Always include tini as init
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local init_dir="/usr/local/etc/docker/init.d"
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if [ -d "$init_dir" ]; then
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for script in "$init_dir"/*.sh; do
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if [ -f "$script" ]; then
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# Extract service name from filename (remove number prefix and .sh suffix)
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local service=$(basename "$script" | sed 's/^[0-9]*-//;s|\.sh$||g')
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discovered_services="$discovered_services,$service"
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fi
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done
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fi
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echo "$discovered_services"
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}
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# Enhanced __no_exit function with service monitoring and proper failure handling
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__no_exit() {
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local monitor_services="${SERVICES_LIST:-$(__auto_detect_services)}"
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local check_interval="${SERVICE_CHECK_INTERVAL:-30}"
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local max_failures="${MAX_SERVICE_FAILURES:-3}"
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declare -A failure_counts
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# Initialize failure counters
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IFS=',' read -ra services <<< "$monitor_services"
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for service in "${services[@]}"; do
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service="${service// /}" # trim whitespace
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[ -n "$service" ] && failure_counts["$service"]=0
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done
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echo "🔍 Starting service supervisor - monitoring: $monitor_services"
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echo "⏰ Check interval: ${check_interval}s, Max failures: $max_failures per service"
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# Set up trap to handle termination gracefully
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trap 'echo "🛑 Container terminating - cleaning up services"; kill $(jobs -p) 2>/dev/null; rm -f /run/*.pid /run/init.d/*.pid; exit 0' TERM INT EXIT
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# Main supervision loop
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while true; do
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local failed_services=""
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local running_services=""
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local critical_failure=false
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# Check each monitored service
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IFS=',' read -ra services <<< "$monitor_services"
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for service in "${services[@]}"; do
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service="${service// /}" # trim whitespace
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[ -z "$service" ] && continue
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if __pgrep "$service" >/dev/null 2>&1; then
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running_services="$running_services $service"
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failure_counts["$service"]=0 # reset failure count on success
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else
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failed_services="$failed_services $service"
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failure_counts["$service"]=$((${failure_counts["$service"]:-0} + 1))
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echo "⚠️ Service '$service' not running (failure ${failure_counts["$service"]}/$max_failures)"
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# Check if we've exceeded max failures for this service
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if [ ${failure_counts["$service"]} -ge $max_failures ]; then
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echo "💥 Service '$service' failed $max_failures times - this is critical!"
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critical_failure=true
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fi
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fi
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done
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# If we have critical failures, terminate the container
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if [ "$critical_failure" = true ]; then
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echo "🚨 Critical service failure detected:"
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echo " 💀 Dead services: $failed_services"
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echo " ✅ Running services: $running_services"
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echo " 🔄 Container will terminate to allow restart by orchestrator"
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# Write final status to log
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{
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echo "$(date): CRITICAL FAILURE - Container terminating"
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echo "Dead services: $failed_services"
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echo "Running services: $running_services"
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} >> "/data/logs/start.log"
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# Terminate the container (PID 1 is the init process)
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kill -TERM 1
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exit 1
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fi
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# Log status periodically (every 10 cycles = ~5 minutes with 30s interval)
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if [ $(($(date +%s) % 300)) -lt $check_interval ]; then
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echo "📊 Service status - Running:$running_services Failed:$failed_services"
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# Write to start.log for backward compatibility
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echo "$(date): Services running:$running_services failed:$failed_services" >> "/data/logs/start.log"
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fi
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sleep "$check_interval"
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done &
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# Keep the original behavior for log tailing (for compatibility)
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[ -f "/data/logs/start.log" ] && tail -f "/data/logs/start.log" >/dev/null 2>&1 &
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# Wait for background processes
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wait
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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__trim() {
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local var="${*//;/ }"
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@@ -642,46 +743,130 @@ __exec_command() {
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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# Setup the server init scripts
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__start_init_scripts() {
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set -e
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trap 'echo "❌ Fatal error in service startup - killing container"; rm -f /run/__start_init_scripts.pid; kill -TERM 1' ERR
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[ "$1" = " " ] && shift 1
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[ "$DEBUGGER" = "on" ] && echo "Enabling debugging" && set -o pipefail -x$DEBUGGER_OPTIONS || set -o pipefail
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local retPID=""
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local basename=""
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local init_pids=""
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local retstatus="0"
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local initStatus="0"
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local failed_services=""
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local successful_services=""
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local init_dir="${1:-/usr/local/etc/docker/init.d}"
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local init_count="$(ls -A "$init_dir"/* 2>/dev/null | grep -v '\.sample' | wc -l)"
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touch /run/__start_init_scripts.pid
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mkdir -p "/tmp" "/run" "/run/init.d" "/usr/local/etc/docker/exec"
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chmod -R 777 "/tmp" "/run" "/run/init.d" "/usr/local/etc/docker/exec"
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local init_count="$(find "$init_dir" -name "*.sh" 2>/dev/null | wc -l)"
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if [ -n "$SERVICE_DISABLED" ]; then
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echo "$SERVICE_DISABLED is disabled"
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unset SERVICE_DISABLED
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return 0
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fi
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echo "🚀 Starting container services initialization"
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echo "📂 Init directory: $init_dir"
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echo "📊 Services to start: $init_count"
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# Create a fresh PID file to track this startup session
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echo $$ > /run/__start_init_scripts.pid
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mkdir -p "/tmp" "/run" "/run/init.d" "/usr/local/etc/docker/exec" "/data/logs/init"
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chmod -R 777 "/tmp" "/run" "/run/init.d" "/usr/local/etc/docker/exec" "/data/logs/init"
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if [ "$init_count" -eq 0 ] || [ ! -d "$init_dir" ]; then
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mkdir -p "/data/logs/init"
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while :; do echo "Running: $(date)" >"/data/logs/init/keep_alive" && sleep 3600; done &
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echo "⚠️ No init scripts found in $init_dir"
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# Still create a minimal keep-alive for containers without services
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while true; do
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echo "$(date): No services - container keep-alive" >> "/data/logs/start.log"
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sleep 3600
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done &
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else
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echo "📋 Found $init_count service scripts to execute"
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if [ -d "$init_dir" ]; then
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[ -f "$init_dir/service.sample" ] && __rm "$init_dir"/*.sample
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chmod -Rf 755 "$init_dir"/*.sh
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# Remove sample files
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find "$init_dir" -name "*.sample" -delete 2>/dev/null
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# Make scripts executable
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find "$init_dir" -name "*.sh" -exec chmod 755 {} \; 2>/dev/null
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# Execute scripts in numerical/alphabetical order
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for init in "$init_dir"/*.sh; do
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if [ -x "$init" ]; then
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name="$(basename "$init")"
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service="$(printf '%s' "$name" | sed 's/^[^-]*-//;s|.sh$||g')"
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printf '# - - - executing file: %s\n' "$init"
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eval "$init" && sleep 5 || sleep 3
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retPID=$(__get_pid "$service")
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if [ -n "$retPID" ]; then
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initStatus="0"
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printf '# - - - %s has been started - pid: %s\n' "$service" "${retPID:-error}"
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basename="$(basename "$init")"
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service="$(printf '%s' "$basename" | sed 's/^[0-9]*-//;s|\.sh$||g')"
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printf '\n🔧 Executing service script: %s (service: %s)\n' "$init" "$service"
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# Execute the init script and capture its exit code
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if eval "$init"; then
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sleep 5 # Give service more time to start properly
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# Verify the service actually started by checking for PID
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retPID=$(__get_pid "$service")
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if [ -n "$retPID" ]; then
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initStatus="0"
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successful_services="$successful_services $service"
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printf '✅ Service %s started successfully - PID: %s\n' "$service" "$retPID"
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else
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# Service script succeeded but no PID found - this is suspicious
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initStatus="1"
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failed_services="$failed_services $service"
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printf '⚠️ Service %s script completed but no PID found\n' "$service"
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fi
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else
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initStatus="1"
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printf '# - - - %s has falied to start - check log %s\n' "$service" "docker log $CONTAINER_NAME"
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# Service script failed
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script_exit_code="$?"
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initStatus="1"
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failed_services="$failed_services $service"
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printf '❌ Init script %s failed with exit code %s\n' "$init" "$script_exit_code"
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fi
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echo ""
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else
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printf '⚠️ Script %s is not executable, skipping\n' "$init"
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fi
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retstatus=$(($retstatus + $initStatus))
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printf '\n'
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done
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printf '📊 Service startup summary:\n'
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printf ' ✅ Successful: %s\n' "${successful_services:-none}"
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printf ' ❌ Failed: %s\n' "${failed_services:-none}"
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printf ' 📈 Total status code: %s\n' "$retstatus"
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# If any services failed to start, terminate the container immediately
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if [ $retstatus -gt 0 ]; then
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echo ""
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echo "💥 Service startup failures detected!"
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echo "🔄 Container will terminate to allow orchestrator restart"
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echo "📝 Check container logs for detailed failure information"
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# Write failure information to log
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{
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echo "$(date): SERVICE STARTUP FAILURE"
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echo "Successful services: $successful_services"
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echo "Failed services: $failed_services"
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echo "Total errors: $retstatus"
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} >> "/data/logs/start.log"
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# Clean up and exit
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rm -f /run/__start_init_scripts.pid
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exit $retstatus
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fi
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fi
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fi
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printf '%s\n' "$SERVICE_NAME started on $(date)" >"/data/logs/start.log"
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# Write successful startup status to log
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{
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echo "$(date): Container startup completed successfully"
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echo "Active services: $successful_services"
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[ -n "$failed_services" ] && echo "Failed services: $failed_services"
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echo "Status code: $retstatus"
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} >> "/data/logs/start.log"
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printf '\n🎉 All services initialized successfully!\n'
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printf '🔍 Service monitoring will now begin...\n\n'
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return $retstatus
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}
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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@@ -1200,6 +1385,6 @@ export ENTRYPOINT_DATA_INIT_FILE DATA_DIR_INITIALIZED ENTRYPOINT_CONFIG_INIT_FIL
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export ENTRYPOINT_PID_FILE ENTRYPOINT_INIT_FILE ENTRYPOINT_FIRST_RUN
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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# export the functions
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export -f __get_pid __start_init_scripts __is_running __certbot __update_ssl_certs __create_ssl_cert
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export -f __get_pid __start_init_scripts __is_running __certbot __update_ssl_certs __create_ssl_cert __no_exit __auto_detect_services
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# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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# end of functions
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