88 lines
2.2 KiB
Bash
88 lines
2.2 KiB
Bash
#!/bin/bash
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set -e
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TLS_DIR="/opt/tls"
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mkdir -p "$TLS_DIR"
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# TLS_CERT/TLS_KEY may arrive as either a host-side path OR raw PEM content.
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# Detect by looking for a PEM header; if present, write to disk.
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if [ -n "$TLS_CERT" ] && printf '%s' "$TLS_CERT" | grep -q 'BEGIN '; then
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printf '%s' "$TLS_CERT" > "$TLS_DIR/cert.pem"
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CERT="$TLS_DIR/cert.pem"
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else
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CERT="${TLS_CERT:-$TLS_DIR/cert.pem}"
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fi
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if [ -n "$TLS_KEY" ] && printf '%s' "$TLS_KEY" | grep -q 'BEGIN '; then
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printf '%s' "$TLS_KEY" > "$TLS_DIR/key.pem"
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chmod 600 "$TLS_DIR/key.pem"
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KEY="$TLS_DIR/key.pem"
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else
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KEY="${TLS_KEY:-$TLS_DIR/key.pem}"
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fi
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# Generate a self-signed certificate if none exists
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if [ ! -f "$CERT" ] || [ ! -f "$KEY" ]; then
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CN="${TLS_CN:-${NODE_NAME:-localhost}}"
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openssl req -x509 -newkey rsa:2048 -nodes \
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-keyout "$KEY" -out "$CERT" \
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-days 3650 -subj "/CN=$CN" \
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2>/dev/null
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fi
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# Parse HTTP_VERSIONS JSON → Caddy protocol tokens (h1 / h2 / h3)
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CADDY_PROTOCOLS=$(python3 -c "
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import json, os
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versions = json.loads(os.environ.get('HTTP_VERSIONS', '[\"http/1.1\"]'))
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tokens = []
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if 'http/1.1' in versions:
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tokens.append('h1')
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if 'http/2' in versions:
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tokens.append('h2')
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if 'http/3' in versions:
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tokens.append('h3')
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print(' '.join(tokens) if tokens else 'h1')
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")
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DECNET_FP_SOCK="${DECNET_FP_SOCK:-/run/decnet/fp.sock}"
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# Remove stale socket from a previous run
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rm -f "$DECNET_FP_SOCK"
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cat > /etc/caddy/Caddyfile <<EOF
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{
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admin off
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servers :443 {
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protocols ${CADDY_PROTOCOLS}
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listener_wrappers {
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decnet_h2fp
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}
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}
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}
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:443 {
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tls ${CERT} ${KEY}
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route {
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decnet_fp
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reverse_proxy 127.0.0.1:8080
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}
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}
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EOF
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python3 /opt/server.py &
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FLASK_PID=$!
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# Wait for Flask to be ready before handing off to Caddy
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python3 -c "
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import socket, sys, time
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for _ in range(80):
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try:
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s = socket.create_connection(('127.0.0.1', 8080), timeout=0.25)
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s.close()
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sys.exit(0)
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except OSError:
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time.sleep(0.1)
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print('Flask did not bind to :8080 in time', file=sys.stderr)
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sys.exit(1)
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" || { echo 'Flask startup failed — aborting'; kill $FLASK_PID 2>/dev/null; exit 1; }
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exec caddy run --config /etc/caddy/Caddyfile
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