added install script for agent
changed backend to agent
This commit is contained in:
Philipp
Executable
+251
@@ -0,0 +1,251 @@
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#!/bin/sh
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set -eu
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SERVICE_NAME="incus-backup-agent"
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DEFAULT_REPO_URL="https://forgejo.digital-droplets.de/philschlo/incus-backup-ui.git"
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INSTALL_DIR="${INSTALL_DIR:-/opt/incus-backup-ui}"
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REPO_URL="${INCUS_BACKUP_REPO_URL:-$DEFAULT_REPO_URL}"
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BRANCH="${INCUS_BACKUP_BRANCH:-main}"
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AGENT_DIR="$INSTALL_DIR/agent"
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OLD_AGENT_DIR="$INSTALL_DIR/backend"
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STATE_DIR="${STATE_DIR:-/var/lib/incus-backup-agent}"
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CONFIG_DIR="${CONFIG_DIR:-/etc/incus-backup-agent}"
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ENV_FILE="$AGENT_DIR/.env"
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SERVICE_FILE="/etc/systemd/system/$SERVICE_NAME.service"
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log() {
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printf '%s\n' "$*"
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}
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fail() {
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printf 'ERROR: %s\n' "$*" >&2
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exit 1
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}
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need_cmd() {
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command -v "$1" >/dev/null 2>&1 || fail "Required command not found: $1"
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}
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as_root() {
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if [ "$(id -u)" -eq 0 ]; then
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"$@"
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return
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fi
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command -v sudo >/dev/null 2>&1 || fail "Run as root or install sudo."
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sudo "$@"
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}
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copy_repo_from_script_location() {
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script_dir=$(CDPATH= cd -- "$(dirname -- "$0")" && pwd)
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repo_dir=$(CDPATH= cd -- "$script_dir/.." && pwd)
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[ -d "$repo_dir/agent" ] || return 1
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mkdir -p "$INSTALL_DIR"
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if [ "$repo_dir" = "$INSTALL_DIR" ]; then
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return 0
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fi
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command -v rsync >/dev/null 2>&1 || return 1
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rsync -a --delete \
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--exclude '.git' \
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--exclude 'agent/.env' \
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--exclude 'agent/node_modules' \
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--exclude 'management/node_modules' \
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--exclude 'frontend/node_modules' \
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"$repo_dir/" "$INSTALL_DIR/"
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}
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checkout_or_update_repo() {
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need_cmd git
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if [ -d "$INSTALL_DIR/.git" ]; then
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log "Updating $INSTALL_DIR from Git..."
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git -C "$INSTALL_DIR" fetch --prune origin "$BRANCH"
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git -C "$INSTALL_DIR" checkout "$BRANCH"
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git -C "$INSTALL_DIR" pull --ff-only origin "$BRANCH"
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return
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fi
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if copy_repo_from_script_location; then
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log "Installed files from local checkout to $INSTALL_DIR."
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return
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fi
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log "Cloning $REPO_URL to $INSTALL_DIR..."
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mkdir -p "$(dirname "$INSTALL_DIR")"
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git clone --branch "$BRANCH" "$REPO_URL" "$INSTALL_DIR"
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}
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move_old_agent_dir() {
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if [ -d "$OLD_AGENT_DIR" ] && [ ! -d "$AGENT_DIR" ]; then
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log "Renaming old backend directory to agent..."
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mv "$OLD_AGENT_DIR" "$AGENT_DIR"
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fi
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if [ -f "$OLD_AGENT_DIR/.env" ] && [ ! -f "$ENV_FILE" ]; then
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log "Moving existing backend .env to agent .env..."
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mv "$OLD_AGENT_DIR/.env" "$ENV_FILE"
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fi
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}
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ensure_env_file() {
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[ -d "$AGENT_DIR" ] || fail "Agent directory not found: $AGENT_DIR"
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if [ ! -f "$ENV_FILE" ]; then
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cp "$AGENT_DIR/.env.example" "$ENV_FILE"
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chmod 600 "$ENV_FILE"
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fi
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}
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env_has_key() {
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key="$1"
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grep -Eq "^[[:space:]]*$key=" "$ENV_FILE"
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}
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append_env_if_missing() {
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key="$1"
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value="$2"
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if ! env_has_key "$key"; then
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printf '%s="%s"\n' "$key" "$value" >> "$ENV_FILE"
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fi
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}
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replace_env_value() {
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key="$1"
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value="$2"
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tmp_file="$ENV_FILE.tmp"
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awk -v key="$key" -v value="$value" '
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BEGIN { done = 0 }
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$0 ~ "^[[:space:]]*" key "=" {
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print key "=\"" value "\""
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done = 1
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next
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}
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{ print }
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END {
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if (!done) print key "=\"" value "\""
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}
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' "$ENV_FILE" > "$tmp_file"
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mv "$tmp_file" "$ENV_FILE"
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chmod 600 "$ENV_FILE"
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}
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current_env_value() {
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key="$1"
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awk -F= -v key="$key" '
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$1 == key {
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value = $0
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sub("^[^=]*=", "", value)
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gsub(/^"/, "", value)
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gsub(/"$/, "", value)
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print value
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exit
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}
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' "$ENV_FILE"
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}
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random_token() {
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if command -v openssl >/dev/null 2>&1; then
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openssl rand -hex 32
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return
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fi
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need_cmd od
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od -An -N32 -tx1 /dev/urandom | tr -d ' \n'
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}
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configure_env() {
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append_env_if_missing "AGENT_DATABASE_PATH" "$STATE_DIR/agent.sqlite"
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replace_env_value "AGENT_DATABASE_PATH" "${AGENT_DATABASE_PATH:-$STATE_DIR/agent.sqlite}"
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if [ -n "${API_TOKEN:-}" ]; then
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replace_env_value "API_TOKEN" "$API_TOKEN"
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else
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token=$(current_env_value API_TOKEN)
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if [ ${#token} -lt 32 ] || [ "$token" = "change-me-to-at-least-32-characters" ]; then
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generated_token=$(random_token)
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replace_env_value "API_TOKEN" "$generated_token"
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log "Generated API_TOKEN for this agent:"
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log "$generated_token"
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log "Store this token in the management node configuration."
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fi
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fi
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[ -z "${HOST:-}" ] || replace_env_value "HOST" "$HOST"
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[ -z "${PORT:-}" ] || replace_env_value "PORT" "$PORT"
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[ -z "${ALLOWED_MANAGEMENT_IPS:-}" ] || replace_env_value "ALLOWED_MANAGEMENT_IPS" "$ALLOWED_MANAGEMENT_IPS"
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[ -z "${HTTPS_ENABLED:-}" ] || replace_env_value "HTTPS_ENABLED" "$HTTPS_ENABLED"
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[ -z "${TLS_CERT_FILE:-}" ] || replace_env_value "TLS_CERT_FILE" "$TLS_CERT_FILE"
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[ -z "${TLS_KEY_FILE:-}" ] || replace_env_value "TLS_KEY_FILE" "$TLS_KEY_FILE"
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}
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install_dependencies() {
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need_cmd npm
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log "Installing agent dependencies..."
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if [ -f "$AGENT_DIR/package-lock.json" ]; then
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npm --prefix "$AGENT_DIR" ci --omit=dev
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else
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npm --prefix "$AGENT_DIR" install --omit=dev
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fi
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}
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install_systemd_service() {
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install -d -m 700 "$STATE_DIR"
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install -d -m 700 "$CONFIG_DIR"
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tmp_service="$SERVICE_FILE.tmp"
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awk -v agent_dir="$AGENT_DIR" '
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/^WorkingDirectory=/ {
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print "WorkingDirectory=" agent_dir
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next
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}
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{ print }
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' "$INSTALL_DIR/deploy/systemd/$SERVICE_NAME.service" > "$tmp_service"
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chmod 644 "$tmp_service"
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mv "$tmp_service" "$SERVICE_FILE"
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systemctl daemon-reload
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systemctl enable "$SERVICE_NAME"
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}
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start_service() {
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if [ "${SKIP_START:-false}" = "true" ]; then
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log "SKIP_START=true; service was installed but not started."
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return
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fi
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systemctl restart "$SERVICE_NAME"
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systemctl --no-pager --full status "$SERVICE_NAME" || true
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}
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main() {
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need_cmd awk
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need_cmd grep
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as_root sh -c "true"
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if [ "$(id -u)" -ne 0 ]; then
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exec sudo \
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INSTALL_DIR="$INSTALL_DIR" \
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INCUS_BACKUP_REPO_URL="$REPO_URL" \
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INCUS_BACKUP_BRANCH="$BRANCH" \
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STATE_DIR="$STATE_DIR" \
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CONFIG_DIR="$CONFIG_DIR" \
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API_TOKEN="${API_TOKEN:-}" \
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AGENT_DATABASE_PATH="${AGENT_DATABASE_PATH:-}" \
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HOST="${HOST:-}" \
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PORT="${PORT:-}" \
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ALLOWED_MANAGEMENT_IPS="${ALLOWED_MANAGEMENT_IPS:-}" \
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HTTPS_ENABLED="${HTTPS_ENABLED:-}" \
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TLS_CERT_FILE="${TLS_CERT_FILE:-}" \
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TLS_KEY_FILE="${TLS_KEY_FILE:-}" \
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SKIP_START="${SKIP_START:-false}" \
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sh "$0"
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fi
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checkout_or_update_repo
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move_old_agent_dir
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ensure_env_file
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configure_env
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install_dependencies
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install_systemd_service
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start_service
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log "Agent install/update complete."
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log "Config: $ENV_FILE"
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log "Service: $SERVICE_NAME"
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}
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main "$@"
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@@ -5,7 +5,7 @@ Wants=network-online.target
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[Service]
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Type=simple
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WorkingDirectory=/opt/incus-backup-ui/backend
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WorkingDirectory=/opt/incus-backup-ui/agent
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Environment=NODE_ENV=production
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ExecStart=/usr/bin/npm start
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Restart=on-failure
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