mirror of
https://github.com/mistergibson/radio.git
synced 2026-09-08 22:09:51 -07:00
200 lines
7.6 KiB
Shell
Executable file
200 lines
7.6 KiB
Shell
Executable file
#!/usr/bin/env bash
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# install_for_jruby - Provision the JRuby-based radio automation stack.
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# Detects/reuses existing Java and JRuby; installs gems one at a time.
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# Must be run as root from within the target directory (e.g. /srv/radio/).
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# Idempotent: safe to re-run.
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set -euo pipefail
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INSTALL_DIR="$(pwd)"
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SERVICE_NAME="$(basename "$INSTALL_DIR")"
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GEM_HOME_LOCAL="$INSTALL_DIR/.gems"
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JRBURY_VERSION="10.1.1.0"
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MAVEN_BASE="https://repo1.maven.org/maven2/org/jruby/jruby-dist"
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JRUBY_HOME_PINNED="/opt/jruby-${JRBURY_VERSION}"
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echo "=== Radio Automation Installer (JRuby) ==="
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echo "Install dir: $INSTALL_DIR"
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echo "Service name: $SERVICE_NAME"
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echo
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# --- Prompt for config values (pre-fill from existing config.json) ---
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EXISTING_CONFIG="$INSTALL_DIR/config.json"
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declare -A CFG
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CFG[ICE_HOST]="localhost"
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CFG[ICE_PORT]="7777"
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CFG[ICE_MOUNT]="/audio.mp3"
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CFG[ICE_USER]="source"
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CFG[ICE_PASS]=""
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CFG[GPODDER_ENABLE]="false"
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CFG[GPODDER_HOST]="https://gpodder.net"
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CFG[GPODDER_USER]=""
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CFG[GPODDER_PASS]=""
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if [[ -f "$EXISTING_CONFIG" ]]; then
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echo "Existing config.json found; using as defaults."
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CFG[ICE_HOST]=$(jq -r '.icecast.host // "localhost"' "$EXISTING_CONFIG")
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CFG[ICE_PORT]=$(jq -r '.icecast.port // 7777' "$EXISTING_CONFIG")
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CFG[ICE_MOUNT]=$(jq -r '.icecast.mount // "/audio.mp3"' "$EXISTING_CONFIG")
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CFG[ICE_USER]=$(jq -r '.icecast.username // "source"' "$EXISTING_CONFIG")
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CFG[ICE_PASS]=$(jq -r '.icecast.password // ""' "$EXISTING_CONFIG")
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CFG[GPODDER_ENABLE]=$(jq -r '.gpodder.enable // false' "$EXISTING_CONFIG")
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CFG[GPODDER_HOST]=$(jq -r '.gpodder.host // "https://gpodder.net"' "$EXISTING_CONFIG")
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CFG[GPODDER_USER]=$(jq -r '.gpodder.username // ""' "$EXISTING_CONFIG")
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CFG[GPODDER_PASS]=$(jq -r '.gpodder.password // ""' "$EXISTING_CONFIG")
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fi
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read -rp "Icecast host [$CFG[ICE_HOST]]: " v; CFG[ICE_HOST]=${v:-$CFG[ICE_HOST]}
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read -rp "Icecast port [$CFG[ICE_PORT]]: " v; CFG[ICE_PORT]=${v:-$CFG[ICE_PORT]}
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read -rp "Icecast mount [$CFG[ICE_MOUNT]]: " v; CFG[ICE_MOUNT]=${v:-$CFG[ICE_MOUNT]}
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read -rp "Icecast source username [$CFG[ICE_USER]]: " v; CFG[ICE_USER]=${v:-$CFG[ICE_USER]}
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read -rsp "Icecast source password [$CFG[ICE_PASS]]: "; echo; CFG[ICE_PASS]=${v:-$CFG[ICE_PASS]}
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read -rp "Enable gPodder sync? (true/false) [$CFG[GPODDER_ENABLE]]: " v; CFG[GPODDER_ENABLE]=${v:-$CFG[GPODDER_ENABLE]}
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read -rp "gPodder host [$CFG[GPODDER_HOST]]: " v; CFG[GPODDER_HOST]=${v:-$CFG[GPODDER_HOST]}
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read -rp "gPodder username [$CFG[GPODDER_USER]]: " v; CFG[GPODDER_USER]=${v:-$CFG[GPODDER_USER]}
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read -rsp "gPodder password [$CFG[GPODDER_PASS]]: "; echo; CFG[GPODDER_PASS]=${v:-$CFG[GPODDER_PASS]}
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echo
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echo "Summary:"
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echo " Icecast: ${CFG[ICE_HOST]}:${CFG[ICE_PORT]}${CFG[ICE_MOUNT]}"
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echo " gPodder sync: ${CFG[GPODDER_ENABLE]}"
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read -rp "Proceed? [y/N] " confirm
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[[ "$confirm" =~ ^[Yy]$ ]] || { echo "Aborted."; exit 0; }
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# --- Base packages ---
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echo "Installing base packages..."
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apt-get update -qq
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apt-get install -y -qq liquidsoap icecast2 jq curl unzip ca-certificates >/dev/null
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# --- Detect or install Java (>= 21) ---
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JAVA_OK=false
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if command -v java &>/dev/null; then
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JAVA_VER=$(java -version 2>&1 | head -1 | sed 's/.*"\([0-9]*\)\..*/\1/')
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if (( JAVA_VER >= 21 )); then
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echo "Found Java $JAVA_VER; reusing."
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JAVA_OK=true
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fi
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fi
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if [[ "$JAVA_OK" != "true" ]]; then
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echo "Installing OpenJDK 21 headless..."
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apt-get install -y -qq openjdk-21-jdk-headless >/dev/null
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fi
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# --- Detect or install JRuby ---
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JRUBY_BIN=""
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if [[ -x "$JRUBY_HOME_PINNED/bin/jruby" ]]; then
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JRUBY_BIN="$JRUBY_HOME_PINNED/bin/jruby"
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echo "Found pinned JRuby at $JRUBY_HOME_PINNED"
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elif command -v jruby &>/dev/null; then
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JRUBY_BIN="$(command -v jruby)"
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echo "Found JRuby on PATH: $JRUBY_BIN"
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else
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echo "Downloading JRuby ${JRBURY_VERSION} from Maven Central..."
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TARBALL="jruby-dist-${JRBURY_VERSION}-bin.tar.gz"
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URL="${MAVEN_BASE}/${JRBURY_VERSION}/${TARBALL}"
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cd /tmp
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curl -fsSL -o "$TARBALL" "$URL"
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tar xzf "$TARBALL"
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mv "jruby-${JRBURY_VERSION}" "$JRUBY_HOME_PINNED"
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rm -f "$TARBALL"
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JRUBY_BIN="$JRUBY_HOME_PINNED/bin/jruby"
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echo "Installed JRuby to $JRUBY_HOME_PINNED"
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fi
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# --- Register via update-alternatives ---
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for cmd in jruby bundle gem rake irb; do
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ALT_SRC="$($JRUBY_BIN -e "puts Gem.bindir" 2>/dev/null || echo "$(${JRUBY_BIN%/jruby}${cmd}" --version &>/dev/null && which ${cmd} 2>/dev/null || echo "$JRUBY_HOME_PINNED/bin/${cmd}")")"
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# Simpler: just link the known bin paths
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LINK_TARGET="$JRUBY_HOME_PINNED/bin/${cmd}"
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if [[ -x "$LINK_TARGET" ]]; then
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ln -sf "$LINK_TARGET" "/usr/local/bin/${cmd}"
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update-alternatives --install "/usr/local/bin/${cmd}" "${cmd}" "$LINK_TARGET" 100 || true
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fi
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done
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echo "JRuby integrated via /usr/local/bin symlinks."
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# --- Install gems one at a time (avoid OOM on low-RAM hosts) ---
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export GEM_HOME="$GEM_HOME_LOCAL"
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export GEM_PATH="$GEM_HOME_LOCAL"
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export JRUBY_OPTS="-J-Xmx1g -J-Xss512k"
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echo "Installing bundler..."
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"$JRUBY_BIN" -S gem install bundler --no-document 2>&1 | tail -1
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echo "Installing nokogiri..."
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"$JRUBY_BIN" -S gem install nokogiri --no-document 2>&1 | tail -1
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echo "Installing sqlite3..."
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"$JRUBY_BIN" -S gem install sqlite3 --no-document 2>&1 | tail -1
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echo "Installing json..."
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"$JRUBY_BIN" -S gem install json --no-document 2>&1 | tail -1
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# --- Create directory structure ---
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for d in music podcasts jingles announcements playlists state logs; do
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mkdir -p "$INSTALL_DIR/$d"
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done
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# --- Generate config.json ---
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cat > "$INSTALL_DIR/config.json" <<EOF
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{
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"icecast": {
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"host": "${CFG[ICE_HOST]}",
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"port": ${CFG[ICE_PORT]},
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"mount": "${CFG[ICE_MOUNT]}",
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"username": "${CFG[ICE_USER]}",
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"password": "${CFG[ICE_PASS]}"
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},
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"gpodder": {
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"enable": ${CFG[GPODDER_ENABLE]},
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"host": "${CFG[GPODDER_HOST]}",
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"username": "${CFG[GPODDER_USER]}",
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"password": "${CFG[GPODDER_PASS]}"
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}
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}
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EOF
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chmod 600 "$INSTALL_DIR/config.json"
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# --- Ensure liquidsoap user exists ---
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if ! id liquidsoap &>/dev/null; then
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useradd --system --home-dir "$INSTALL_DIR" --shell /usr/sbin/nologin liquidsoap
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fi
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chown -R liquidsoap:liquidsoap "$INSTALL_DIR"
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# --- Write systemd service ---
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cat > /etc/systemd/system/"$SERVICE_NAME".service <<EOF
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[Unit]
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Description=Liquidsoap radio station ($SERVICE_NAME)
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After=network.target icecast2.service
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[Service]
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User=liquidsoap
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WorkingDirectory=$INSTALL_DIR
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Environment=GEM_HOME=${GEM_HOME_LOCAL}
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Environment=GEM_PATH=${GEM_HOME_LOCAL}
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Environment=JRUBY_OPTS=-J-Xmx1g -J-Xss512k
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ExecStart=/usr/bin/liquidsoap $INSTALL_DIR/station.liq
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Restart=on-failure
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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EOF
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# --- Set up cron jobs (deduplicated) ---
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FETCH_CMD="sudo -u liquidsoap env GEM_HOME=${GEM_HOME_LOCAL} GEM_PATH=${GEM_HOME_LOCAL} JRUBY_OPTS=-J-Xmx1g -J-Xss512k /usr/local/bin/jruby -S bundle exec $INSTALL_DIR/fetch_podcasts.rb >> $INSTALL_DIR/logs/cron_fetch.log 2>&1"
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UPDATE_CMD="sudo -u liquidsoap env GEM_HOME=${GEM_HOME_LOCAL} GEM_PATH=${GEM_HOME_LOCAL} JRUBY_OPTS=-J-Xmx1g -J-Xss512k /usr/local/bin/jruby -S bundle exec $INSTALL_DIR/update_playlists.rb >> $INSTALL_DIR/logs/cron_update.log 2>&1"
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(crontab -l 2>/dev/null | grep -v "fetch_podcasts.rb"; echo "0 * * * * $FETCH_CMD") | crontab -
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(crontab -l 2>/dev/null | grep -v "update_playlists.rb"; echo "30 * * * * $UPDATE_CMD") | crontab -
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# --- Reload and enable ---
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systemctl daemon-reload
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systemctl enable "$SERVICE_NAME"
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echo
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echo "=== Installation complete ==="
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echo "Next steps:"
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echo " 1. Drop MP3/M4A files into $INSTALL_DIR/music/"
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echo " 2. Edit $INSTALL_DIR/schedule.txt with your show schedule"
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echo " 3. Review $INSTALL_DIR/station.liq"
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echo " 4. Start services:"
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echo " sudo systemctl start icecast2"
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echo " sudo systemctl start $SERVICE_NAME"
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