Marcus (agent-cos)
7b5ffe6b11
- Multi-host flake.nix (3x N97 x86_64 + 2x RPi4 aarch64) - Shared modules: k3s-cluster, tailscale, meos-gateway - Node configs: n97-1 (control plane), n97-2/n97-3 (Ollama workers), rpi4-1/rpi4-2 (ARM workers) - K8s manifests: Forgejo, Postgres (CNPG), Umami, OpenBrain, MeOS Dashboard, MCP servers - Bootstrap and DB migration scripts - Migration plan doc (7-day phased rollout)
49 lines
No EOL
1.8 KiB
Bash
Executable file
49 lines
No EOL
1.8 KiB
Bash
Executable file
# Migrate PostgreSQL from bare metal (n97-1) to CloudNative PG (k3s)
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#
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# Prerequisites:
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# - CNPG operator installed in k3s
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# - postgres-scobleclaw cluster created (apps/postgres/cluster.yaml)
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# - Both clusters accessible from n97-1
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#
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set -euo pipefail
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SOURCE_HOST="127.0.0.1"
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SOURCE_PORT="5432"
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CNPG_HOST="postgres-scobleclaw-rw.database.svc.cluster.local"
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CNPG_PORT="5432"
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echo "==> Starting PostgreSQL migration"
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echo " Source: $SOURCE_HOST:$SOURCE_PORT (bare metal)"
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echo " Target: $CNPG_HOST:$CNPG_PORT (k3s/CNPG)"
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# 1. Dump all databases
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echo "==> Dumping databases from bare metal..."
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sudo -u postgres pg_dumpall --clean --if-exists > /tmp/pg-migration-dump.sql
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# 2. Wait for CNPG cluster to be ready
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echo "==> Waiting for CNPG cluster to be ready..."
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kubectl -n database wait --for=condition=Ready cluster/postgres-scobleclaw --timeout=300s
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# 3. Get CNPG superuser password
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CNPG_PASSWORD=$(kubectl -n database get secret postgres-scobleclaw-superuser -o jsonpath='{.data.password}' | base64 -d)
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# 4. Restore dump into CNPG
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echo "==> Restoring dump into CNPG..."
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PGPASSWORD="$CNPG_PASSWORD" psql -h "$CNPG_HOST" -p "$CNPG_PORT" -U postgres < /tmp/pg-migration-dump.sql
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# 5. Verify
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echo "==> Verifying migration..."
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DB_COUNT=$(PGPASSWORD="$CNPG_PASSWORD" psql -h "$CNPG_HOST" -p "$CNPG_PORT" -U postgres -t -c "SELECT count(*) FROM pg_database WHERE datname IN ('forgejo','umami');" | tr -d ' ')
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echo " Databases found: $DB_COUNT (expected: 2)"
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if [ "$DB_COUNT" = "2" ]; then
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echo "==> Migration successful! You can now disable bare-metal PostgreSQL:"
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echo " Set services.postgresql.enable = false; in nodes/n97-1.nix"
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echo " And rebuild: nixos-rebuild switch --flake .#n97-1"
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else
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echo "==> WARNING: Not all databases migrated. Check manually."
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exit 1
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fi
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# Cleanup
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rm -f /tmp/pg-migration-dump.sql |