jens/we_monitor
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install.sh: create venv and install dependencies

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Creates .venv/ with python3 -m venv if not present, then installs/
updates requirements.txt into it before setting up the systemd service.
The service ExecStart always uses the venv Python.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
jens
2026-05-25 23:22:31 +02:00
co-authored by Claude Sonnet 4.6
parent cf6f092cbb
commit dfdf6a550e
1 changed files with 21 additions and 12 deletions
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install.sh
+21 -12
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@@ -22,20 +22,29 @@ SYSTEMD_DIR="$HOME/.config/systemd/user"
SERVICE_FILE="$SYSTEMD_DIR/$SERVICE_NAME.service" SERVICE_FILE="$SYSTEMD_DIR/$SERVICE_NAME.service"
LOG_DIR="$SCRIPT_DIR/logs" LOG_DIR="$SCRIPT_DIR/logs"
# Prefer project venv, fall back to system python3 VENV="$SCRIPT_DIR/.venv"
if [[ -x "$SCRIPT_DIR/.venv/bin/python" ]]; then PYTHON="$VENV/bin/python"
PYTHON="$SCRIPT_DIR/.venv/bin/python"
else
PYTHON="$(command -v python3)"
fi
echo "==> we_monitor installer" echo "==> we_monitor installer"
echo " Project : $SCRIPT_DIR" echo " Project : $SCRIPT_DIR"
echo " Python : $PYTHON"
echo " User : $USER" echo " User : $USER"
echo "" echo ""
# ── 1. credentials template ─────────────────────────────────────────────────── # ── 1. virtual environment ────────────────────────────────────────────────────
if [[ ! -x "$PYTHON" ]]; then
echo "==> Creating virtual environment : $VENV"
python3 -m venv "$VENV"
else
echo "==> Virtual environment exists : $VENV"
fi
echo "==> Installing / updating dependencies"
"$VENV/bin/pip" install --quiet --upgrade pip
"$VENV/bin/pip" install --quiet -r "$SCRIPT_DIR/requirements.txt"
echo " Python : $PYTHON"
echo ""
# ── 2. credentials template ───────────────────────────────────────────────────
mkdir -p "$CREDS_DIR" mkdir -p "$CREDS_DIR"
chmod 700 "$CREDS_DIR" chmod 700 "$CREDS_DIR"
@@ -55,11 +64,11 @@ else
echo "==> Credentials file exists : $CREDS_FILE" echo "==> Credentials file exists : $CREDS_FILE"
fi fi
# ── 2. log directory ────────────────────────────────────────────────────────── # ── 3. log directory ──────────────────────────────────────────────────────────
mkdir -p "$LOG_DIR" mkdir -p "$LOG_DIR"
echo "==> Log directory : $LOG_DIR" echo "==> Log directory : $LOG_DIR"
# ── 3. systemd user service ─────────────────────────────────────────────────── # ── 4. systemd user service ───────────────────────────────────────────────────
mkdir -p "$SYSTEMD_DIR" mkdir -p "$SYSTEMD_DIR"
cat > "$SERVICE_FILE" <<EOF cat > "$SERVICE_FILE" <<EOF
@@ -84,7 +93,7 @@ EOF
echo "==> Installed service unit : $SERVICE_FILE" echo "==> Installed service unit : $SERVICE_FILE"
# ── 4. enable linger (service survives logout / starts at boot) ─────────────── # ── 5. enable linger (service survives logout / starts at boot) ───────────────
if loginctl enable-linger "$USER" 2>/dev/null; then if loginctl enable-linger "$USER" 2>/dev/null; then
echo "==> Linger enabled for $USER (service starts at boot)" echo "==> Linger enabled for $USER (service starts at boot)"
else else
@@ -92,7 +101,7 @@ else
echo " Run as root to fix: loginctl enable-linger $USER" echo " Run as root to fix: loginctl enable-linger $USER"
fi fi
# ── 5. reload and enable (but do NOT start yet) ─────────────────────────────── # ── 6. reload and enable (but do NOT start yet) ───────────────────────────────
systemctl --user daemon-reload systemctl --user daemon-reload
systemctl --user enable "$SERVICE_NAME" systemctl --user enable "$SERVICE_NAME"