mirror of
https://github.com/mistergibson/radio.git
synced 2026-09-08 22:09:51 -07:00
270 lines
10 KiB
Shell
Executable file
270 lines
10 KiB
Shell
Executable file
#!/usr/bin/env bash
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#
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# install_for_python - Provision the Python radio automation stack.
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# Idempotent: safe to re-run. Derives the service name from this file's
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# containing directory basename. Must be run as root.
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#
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set -euo pipefail
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if [[ $EUID -ne 0 ]]; then
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echo "ERROR: this installer must be run as root." >&2
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exit 1
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fi
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INSTALL_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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SERVICE_NAME="$(basename "$INSTALL_DIR")"
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UNIT_FILE="/etc/systemd/system/${SERVICE_NAME}.service"
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LIQUIDSOAP_USER="liquidsoap"
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echo "==> Installing ${SERVICE_NAME} (Python stack) from ${INSTALL_DIR}"
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# ---------------------------------------------------------------------------
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# 1. Base packages
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# ---------------------------------------------------------------------------
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echo "==> Ensuring base packages..."
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export DEBIAN_FRONTEND=noninteractive
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apt-get update -qq
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apt-get install -y -qq \
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python3 python3-pip python3-venv \
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liquidsoap icecast2 jq curl ca-certificates >/dev/null
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# Ensure the dedicated service user exists.
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if ! id -u "$LIQUIDSOAP_USER" >/dev/null 2>&1; then
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useradd --system --create-home --shell /usr/sbin/nologin "$LIQUIDSOAP_USER"
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echo " created system user '${LIQUIDSOAP_USER}'"
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fi
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# ---------------------------------------------------------------------------
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# 2. Interactive configuration (defaults from existing config.json)
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# ---------------------------------------------------------------------------
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CONFIG_JSON="${INSTALL_DIR}/config.json"
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prompt() {
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local prompt_text="$1" default="${2:-}"
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local current=""
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if [[ -n "$default" ]]; then
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read -rp "${prompt_text} [${default}]: " current || true
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echo "${current:-$default}"
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else
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read -rp "${prompt_text}: " current || true
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echo "$current"
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fi
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}
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existing_storage="" ; existing_ic_host="" ; existing_ic_port=""
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existing_ic_mount="" ; existing_ic_user="" ; existing_ic_pass=""
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existing_gp_enable="" ; existing_gp_host="" ; existing_gp_user="" ; existing_gp_pass=""
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if [[ -f "$CONFIG_JSON" ]]; then
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echo "==> Found existing config.json; using it for defaults."
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existing_storage=$(jq -r '.storage // empty' "$CONFIG_JSON")
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existing_ic_host=$(jq -r '.icecast.host // empty' "$CONFIG_JSON")
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existing_ic_port=$(jq -r '.icecast.port // empty' "$CONFIG_JSON")
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existing_ic_mount=$(jq -r '.icecast.mount // empty' "$CONFIG_JSON")
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existing_ic_user=$(jq -r '.icecast.username // empty' "$CONFIG_JSON")
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existing_ic_pass=$(jq -r '.icecast.password // empty' "$CONFIG_JSON")
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existing_gp_enable=$(jq -r '.gpodder.enable // empty' "$CONFIG_JSON")
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existing_gp_host=$(jq -r '.gpodder.host // empty' "$CONFIG_JSON")
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existing_gp_user=$(jq -r '.gpodder.username // empty' "$CONFIG_JSON")
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existing_gp_pass=$(jq -r '.gpodder.password // empty' "$CONFIG_JSON")
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fi
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echo ""
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echo "--- Storage ---"
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STORAGE_PATH=$(prompt "Storage path (media + state + logs)" "${existing_storage:-/mnt/storage/radio}")
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[[ -z "$STORAGE_PATH" ]] && STORAGE_PATH="${existing_storage:-/mnt/storage/radio}"
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echo ""
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echo "--- Icecast (source credentials) ---"
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IC_HOST=$(prompt "Icecast host" "$existing_ic_host"); IC_HOST=${IC_HOST:-localhost}
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IC_PORT=$(prompt "Icecast source port" "$existing_ic_port"); IC_PORT=${IC_PORT:-7777}
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IC_MOUNT=$(prompt "Mount point" "$existing_ic_mount"); IC_MOUNT=${IC_MOUNT:-/data}
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IC_USER=$(prompt "Source username" "$existing_ic_user"); IC_USER=${IC_USER:-source}
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read -rsp "Source password: " IC_PASS || true; echo; IC_PASS=${IC_PASS:-$existing_ic_pass}
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echo ""
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echo "--- gPodder sync (optional) ---"
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GP_ENABLE=$(prompt "Enable gPodder sync? (true/false)" "$existing_gp_enable"); GP_ENABLE=${GP_ENABLE:-false}
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GP_HOST=$(prompt "gPodder host" "$existing_gp_host"); GP_HOST=${GP_HOST:-https://gpodder.net}
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GP_USER=$(prompt "gPodder username" "$existing_gp_user")
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read -rsp "gPodder password: " GP_PASS || true; echo; GP_PASS=${GP_PASS:-$existing_gp_pass}
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echo ""
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echo "Summary:"
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echo " Storage : $STORAGE_PATH"
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echo " Icecast : $IC_USER@$IC_HOST:$IC_PORT mount=$IC_MOUNT"
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echo " gPodder : enabled=$GP_ENABLE ($GP_USER @ $GP_HOST)"
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read -rp "Proceed? [y/N]: " confirm || true
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case "$confirm" in
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[Yy]*) ;;
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*) echo "Aborted."; exit 0 ;;
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esac
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# ---------------------------------------------------------------------------
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# 3. Create the directory tree
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# ---------------------------------------------------------------------------
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echo "==> Creating directory tree under $STORAGE_PATH ..."
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mkdir -p "$STORAGE_PATH"/{music,podcasts,jingles,announcements,state,playlists,logs}
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chown -R "$LIQUIDSOAP_USER":"$LIQUIDSOAP_USER" "$STORAGE_PATH"
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# ---------------------------------------------------------------------------
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# 4. Write config.json (mode 600)
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# ---------------------------------------------------------------------------
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echo "==> Writing $CONFIG_JSON ..."
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cat > "$CONFIG_JSON" <<EOF
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{
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"storage": "${STORAGE_PATH}",
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"icecast": {
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"host": "${IC_HOST}",
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"port": ${IC_PORT},
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"mount": "${IC_MOUNT}",
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"username": "${IC_USER}",
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"password": "${IC_PASS}"
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},
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"gpodder": {
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"enable": $( [[ "$GP_ENABLE" =~ ^([Tt][Rr][Uu][Ee]|1)$ ]] && echo true || echo false ),
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"host": "${GP_HOST}",
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"username": "${GP_USER}",
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"password": "${GP_PASS}"
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}
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}
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EOF
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chmod 600 "$CONFIG_JSON"
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chown "$LIQUIDSOAP_USER":"$LIQUIDSOAP_USER" "$CONFIG_JSON"
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# ---------------------------------------------------------------------------
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# 5. Initialize BOTH SQLite databases with the full current schema.
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# This guarantees a known-good baseline at install time, independent of
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# which script runs first. Idempotent via IF NOT EXISTS.
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# ---------------------------------------------------------------------------
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echo "==> Initializing SQLite databases ..."
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python3 - "$STORAGE_PATH/state" <<'PYINIT'
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import sqlite3, sys, os
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state_dir = sys.argv[1]
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subs = os.path.join(state_dir, "subscriptions.db")
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played = os.path.join(state_dir, "played.db")
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conn = sqlite3.connect(subs)
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conn.executescript("""
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CREATE TABLE IF NOT EXISTS shows (
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slug TEXT PRIMARY KEY,
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guid TEXT NOT NULL UNIQUE,
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name TEXT NOT NULL,
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feed_url TEXT NOT NULL UNIQUE,
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source TEXT DEFAULT 'manual',
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opml_import INTEGER DEFAULT 0,
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archived INTEGER DEFAULT 1,
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created_at TEXT DEFAULT (datetime('now'))
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);
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""")
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conn.commit(); conn.close()
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conn = sqlite3.connect(played)
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conn.executescript("""
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CREATE TABLE IF NOT EXISTS episodes (
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id INTEGER PRIMARY KEY AUTOINCREMENT,
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show_slug TEXT NOT NULL,
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guid TEXT NOT NULL,
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title TEXT,
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file_path TEXT,
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enclosure_url TEXT,
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runlength INTEGER,
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played INTEGER DEFAULT 0,
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played_at TEXT,
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UNIQUE(show_slug, guid)
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);
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CREATE INDEX IF NOT EXISTS idx_episodes_show_played
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ON episodes (show_slug, played);
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""")
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conn.commit(); conn.close()
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print(" subscriptions.db and played.db initialized.")
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PYINIT
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chown -R "$LIQUIDSOAP_USER":"$LIQUIDSOAP_USER" "$STORAGE_PATH/state"
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# ---------------------------------------------------------------------------
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# 6. Python virtualenv + dependencies
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# ---------------------------------------------------------------------------
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VENV="${INSTALL_DIR}/.venv"
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if [[ ! -x "${VENV}/bin/python" ]]; then
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echo "==> Creating Python venv at ${VENV} ..."
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python3 -m venv "$VENV"
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fi
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echo "==> Installing Python dependencies (feedparser, requests) ..."
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"${VENV}/bin/pip" install --quiet --upgrade pip
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"${VENV}/bin/pip" install --quiet feedparser requests
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# Make sure the liquidsoap user can traverse the install dir and use the venv.
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chmod o+x "$INSTALL_DIR"
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chown -R "$LIQUIDSOAP_USER":"$LIQUIDSOAP_USER" "$VENV"
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# ---------------------------------------------------------------------------
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# 7. systemd unit (named after the directory)
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# ---------------------------------------------------------------------------
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echo "==> Writing systemd unit ${UNIT_FILE} ..."
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cat > "$UNIT_FILE" <<EOF
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[Unit]
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Description=Radio automation (${SERVICE_NAME}) - liquidsoap
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After=network-online.target icecast2.service
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Wants=network-online.target
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[Service]
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Type=simple
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User=${LIQUIDSOAP_USER}
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WorkingDirectory=${INSTALL_DIR}
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ExecStart=${INSTALL_DIR}/.venv/bin/python ${INSTALL_DIR}/station_runner.py
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Restart=on-failure
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RestartSec=5
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[Install]
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WantedBy=multi-user.target
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EOF
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# Minimal runner that execs liquidsoap on station.liq from the install dir.
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cat > "${INSTALL_DIR}/station_runner.py" <<'PYRUN'
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import os, subprocess, sys
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install_dir = os.path.dirname(os.path.abspath(__file__))
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os.chdir(install_dir)
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sys.exit(subprocess.call(["liquidsoap", os.path.join(install_dir, "station.liq")]))
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PYRUN
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chown "$LIQUIDSOAP_USER":"$LIQUIDSOAP_USER" "${INSTALL_DIR}/station_runner.py"
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systemctl daemon-reload
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# ---------------------------------------------------------------------------
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# 8. Cron jobs — installed into the liquidsoap user's crontab so all
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# database/media writes happen under the same identity as the service.
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# ---------------------------------------------------------------------------
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echo "==> Setting up cron jobs under user '${LIQUIDSOAP_USER}' ..."
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FETCH_CRON="0 * * * * cd ${INSTALL_DIR} && ./.venv/bin/python fetch_podcasts.py >> ${STORAGE_PATH}/logs/fetch.log 2>&1"
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UPDATE_CRON="30 * * * * cd ${INSTALL_DIR} && ./.venv/bin/python update_playlists.py >> ${STORAGE_PATH}/logs/update.log 2>&1"
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# Remove any stale entries from the liquidsoap user's crontab, then add ours.
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sudo -u "$LIQUIDSOAP_USER" crontab -l 2>/dev/null | grep -vF "fetch_podcasts.py" | grep -vF "update_playlists.py" > /tmp/cron_ls_py.$$ || true
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echo "$FETCH_CRON" >> /tmp/cron_ls_py.$$
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echo "$UPDATE_CRON" >> /tmp/cron_ls_py.$$
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sudo -u "$LIQUIDSOAP_USER" crontab /tmp/cron_ls_py.$$
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rm -f /tmp/cron_ls_py.$$
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# Also scrub these from root's crontab in case an earlier install put them there.
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crontab -l 2>/dev/null | grep -vF "fetch_podcasts.py" | grep -vF "update_playlists.py" > /tmp/cron_root_py.$$ || true
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crontab /tmp/cron_root_py.$$
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rm -f /tmp/cron_root_py.$$
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# ---------------------------------------------------------------------------
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# 9. Enable services
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# ---------------------------------------------------------------------------
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systemctl enable icecast2 "$SERVICE_NAME"
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echo "==> Enabling icecast2 and ${SERVICE_NAME} at boot."
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echo ""
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echo "============================================================"
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echo " Installation complete."
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echo ""
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echo " Next steps:"
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echo " 1. Drop background music into ${STORAGE_PATH}/music/"
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echo " 2. Edit ${INSTALL_DIR}/schedule.txt for scheduled shows"
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echo " 3. Review ${INSTALL_DIR}/station.liq"
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echo " 4. Start: systemctl start icecast2 ${SERVICE_NAME}"
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echo "============================================================"
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