| 1 | #!/usr/bin/env bash |
| 2 | # (Re)start the anvil container on hagrid from an ALREADY-LOADED image. |
| 3 | # |
| 4 | # Build and ship the image first with deploy/build.sh on a capable machine |
| 5 | # (the VPS can't compile it). This script only runs docker — no build — so it's |
| 6 | # safe on the low-RAM box. Standalone: needs only docker + the loaded image. |
| 7 | set -euo pipefail |
| 8 | |
| 9 | IMAGE="${ANVIL_IMAGE:-anvil:latest}" |
| 10 | NETWORK="${ANVIL_NETWORK:-hagrid}" |
| 11 | SSH_PORT="${ANVIL_SSH_PORT:-2222}" |
| 12 | DOCKER_SOCK="${ANVIL_DOCKER_SOCK:-/var/run/docker.sock}" |
| 13 | |
| 14 | # The CI runner drives Docker via the host socket. Mount it in, and add the |
| 15 | # socket's group to the non-root `anvil` user so it can actually open it. |
| 16 | # NOTE: socket access = root-equivalent on the host. We accept this because |
| 17 | # anvil is a single-tenant, owner-operated forge; CI only runs code the owner |
| 18 | # pushed. Do not expose this instance to untrusted users. |
| 19 | SOCK_GID="$(stat -c '%g' "$DOCKER_SOCK")" |
| 20 | |
| 21 | # Single sign-on's client secret, if this instance uses one (docs/oidc.md). |
| 22 | # |
| 23 | # Read from a file on the host by default, because deploy/deploy.sh pipes this |
| 24 | # script over ssh (`ssh host 'bash -s' < run.sh`) and no environment travels |
| 25 | # with it — an env var alone would silently vanish on exactly the path that |
| 26 | # matters. ANVIL_OIDC_CLIENT_SECRET still wins when running this by hand. |
| 27 | # |
| 28 | # Passed only when non-empty: an empty value would override the baked config |
| 29 | # with "no secret" and turn a confidential client into a public one. |
| 30 | OIDC_SECRET_FILE="${ANVIL_OIDC_SECRET_FILE:-$HOME/.config/anvil/oidc-client-secret}" |
| 31 | OIDC_SECRET="${ANVIL_OIDC_CLIENT_SECRET:-}" |
| 32 | if [[ -z "$OIDC_SECRET" && -r "$OIDC_SECRET_FILE" ]]; then |
| 33 | OIDC_SECRET="$(tr -d '[:space:]' <"$OIDC_SECRET_FILE")" |
| 34 | fi |
| 35 | |
| 36 | OIDC_ENV=() |
| 37 | if [[ -n "$OIDC_SECRET" ]]; then |
| 38 | OIDC_ENV=(-e "ANVIL_OIDC_CLIENT_SECRET=${OIDC_SECRET}") |
| 39 | echo "==> single sign-on: client secret loaded" |
| 40 | else |
| 41 | echo "==> single sign-on: no client secret found (${OIDC_SECRET_FILE})" |
| 42 | fi |
| 43 | |
| 44 | docker rm -f anvil 2>/dev/null || true |
| 45 | docker run -d \ |
| 46 | --name anvil \ |
| 47 | --network "$NETWORK" \ |
| 48 | --restart unless-stopped \ |
| 49 | -p "${SSH_PORT}:2222" \ |
| 50 | -v anvil-data:/data \ |
| 51 | -v "${DOCKER_SOCK}:/var/run/docker.sock" \ |
| 52 | --group-add "$SOCK_GID" \ |
| 53 | "${OIDC_ENV[@]}" \ |
| 54 | "$IMAGE" |
| 55 | |
| 56 | echo "==> anvil (re)started from $IMAGE (web: anvil:3000 via Caddy, ssh: host :${SSH_PORT}, docker.sock gid ${SOCK_GID})" |