Add ObjectScale to SSH mesh (admin bootstrap, root via keys)

ObjectScale blocks root SSH by default; only admin accepts login. Bootstrap installs cluster key for admin and root; document in ssh-mesh.md.
2026-05-19 22:50:32 +02:00
parent f3d24634e4
commit f0c56f137c
6 changed files with 285 additions and 29 deletions
@@ -0,0 +1,61 @@
+#!/usr/bin/env bash
+# Bootstrap passwordless SSH on Dell ObjectScale (Luna OS).
+# ObjectScale blocks root SSH until keys are installed via admin (wheel + NOPASSWD sudo).
+set -euo pipefail
+
+OBJECTSCALE_IP="${OBJECTSCALE_IP:-10.0.20.111}"
+OBJECTSCALE_USER="${OBJECTSCALE_USER:-admin}"
+# Lab-only: set OBJECTSCALE_PASSWORD in environment, never commit to git
+OBJECTSCALE_PASSWORD="${OBJECTSCALE_PASSWORD:-Dell2026!}"
+CLUSTER_KEY_SRC="${CLUSTER_KEY_SRC:-root@10.0.21.45:/root/.ssh/atc_cluster}"
+
+SSH_OPTS=(-o StrictHostKeyChecking=no -o ConnectTimeout=10)
+REPO_ROOT="$(cd "$(dirname "$0")/../.." && pwd)"
+HOSTS_FILE="${REPO_ROOT}/config/hosts/atc-lab.hosts"
+
+command -v sshpass >/dev/null || { echo "Install sshpass first"; exit 1; }
+
+TMPDIR=$(mktemp -d)
+trap 'rm -rf "$TMPDIR"' EXIT
+scp "${SSH_OPTS[@]}" "${CLUSTER_KEY_SRC}" "${CLUSTER_KEY_SRC}.pub" "$TMPDIR/" 2>/dev/null || {
+  scp "${SSH_OPTS[@]}" "${CLUSTER_KEY_SRC}" "$TMPDIR/atc_cluster"
+  scp "${SSH_OPTS[@]}" "${CLUSTER_KEY_SRC}.pub" "$TMPDIR/atc_cluster.pub"
+}
+CLUSTER_PUB=$(cat "$TMPDIR/atc_cluster.pub")
+PVE_PUB=""
+[[ -f ~/.ssh/id_rsa.pub ]] && PVE_PUB=$(cat ~/.ssh/id_rsa.pub)
+
+echo "==> ObjectScale $OBJECTSCALE_IP (user: $OBJECTSCALE_USER)"
+
+sshpass -p "$OBJECTSCALE_PASSWORD" ssh "${SSH_OPTS[@]}" "${OBJECTSCALE_USER}@${OBJECTSCALE_IP}" bash -s <<REMOTE
+set -e
+grep -qF 'atc-lakehouse-cluster' ~/.ssh/authorized_keys 2>/dev/null || echo '$CLUSTER_PUB' >> ~/.ssh/authorized_keys
+chmod 600 ~/.ssh/authorized_keys
+sudo mkdir -p /root/.ssh && sudo chmod 700 /root/.ssh
+echo '$CLUSTER_PUB' | sudo tee -a /root/.ssh/authorized_keys >/dev/null
+REMOTE
+
+if [[ -n "$PVE_PUB" ]]; then
+  sshpass -p "$OBJECTSCALE_PASSWORD" ssh "${SSH_OPTS[@]}" "${OBJECTSCALE_USER}@${OBJECTSCALE_IP}" \
+    "echo '$PVE_PUB' | sudo tee -a /root/.ssh/authorized_keys >/dev/null"
+fi
+
+sshpass -p "$OBJECTSCALE_PASSWORD" scp "${SSH_OPTS[@]}" \
+  "$TMPDIR/atc_cluster" "$TMPDIR/atc_cluster.pub" \
+  "${OBJECTSCALE_USER}@${OBJECTSCALE_IP}:.ssh/"
+sshpass -p "$OBJECTSCALE_PASSWORD" ssh "${SSH_OPTS[@]}" "${OBJECTSCALE_USER}@${OBJECTSCALE_IP}" \
+  'chmod 600 ~/.ssh/atc_cluster ~/.ssh/atc_cluster.pub'
+
+# /etc/hosts + ssh config on objectscale
+sshpass -p "$OBJECTSCALE_PASSWORD" ssh "${SSH_OPTS[@]}" "${OBJECTSCALE_USER}@${OBJECTSCALE_IP}" bash -s <<REMOTE
+sudo grep -q 'ATC Lakehouse lab' /etc/hosts 2>/dev/null && sudo sed -i '/# ATC Lakehouse lab/,/^$/d' /etc/hosts || true
+echo '' | sudo tee -a /etc/hosts >/dev/null
+echo '# ATC Lakehouse lab (managed by Lakehouse git)' | sudo tee -a /etc/hosts >/dev/null
+REMOTE
+grep -v '^#' "$HOSTS_FILE" | grep -v '^$' | \
+  sshpass -p "$OBJECTSCALE_PASSWORD" ssh "${SSH_OPTS[@]}" "${OBJECTSCALE_USER}@${OBJECTSCALE_IP}" \
+  'sudo tee -a /etc/hosts >/dev/null'
+
+echo "==> Verify key-only login"
+ssh -i "$TMPDIR/atc_cluster" "${SSH_OPTS[@]}" "root@${OBJECTSCALE_IP}" hostname -f
+echo "ObjectScale OK"