.woodpecker/migrate-tfstate.yml

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+# One-off, manual-only: migrate the OpenTofu remote state from the nas-1
+# Garage S3 to Hetzner Object Storage. Garage is only READ (state pull) and
+# never written/deleted, so the source stays intact and the move is fully
+# reversible (just revert providers.tf to Garage). Trigger:
+#   woodpecker pipeline create ... --var PIPELINE=migrate-tfstate
+when:
+  - event: manual
+    evaluate: 'PIPELINE == "migrate-tfstate"'
+
+steps:
+  - name: migrate-tfstate
+    image: gitea.renner.uno/gitea_admin/ci-tofu:2026-04-29
+    directory: opentofu
+    environment:
+      TF_IN_AUTOMATION: "true"
+      TF_VAR_proxmox_api_url:
+        from_secret: proxmox_api_url
+      TF_VAR_proxmox_user:
+        from_secret: proxmox_user
+      TF_VAR_proxmox_token_id:
+        from_secret: proxmox_token_id
+      TF_VAR_proxmox_token_secret:
+        from_secret: proxmox_token_secret
+      TF_VAR_unifi_api_key:
+        from_secret: unifi_api_key
+      TF_VAR_unifi_api_url:
+        from_secret: unifi_api_url
+      TF_VAR_hetzner_s3_access_key:
+        from_secret: hetzner_s3_access_key
+      TF_VAR_hetzner_s3_secret_key:
+        from_secret: hetzner_s3_secret_key
+      GARAGE_ACCESS:
+        from_secret: tf_garage_access
+      GARAGE_SECRET:
+        from_secret: tf_garage_secret
+      HETZNER_ACCESS:
+        from_secret: hetzner_s3_access_key
+      HETZNER_SECRET:
+        from_secret: hetzner_s3_secret_key
+    commands:
+      - set -eu
+      - echo "### 1/4 init Garage (source) + pull the live state ###"
+      - tofu init -upgrade -backend-config="access_key=$GARAGE_ACCESS" -backend-config="secret_key=$GARAGE_SECRET"
+      - tofu state pull > /tmp/state.json
+      - BYTES=$(wc -c < /tmp/state.json); echo "pulled state: $BYTES bytes"
+      - test "$BYTES" -gt 2000
+      - RES=$(grep -c '"type":' /tmp/state.json || true); echo "resource entries: $RES"
+      - test "$RES" -gt 10
+      - echo "### 2/4 repoint the backend block to Hetzner (checkout only) ###"
+      - sed -i 's#https://s3.nas-1.renner.uno#https://fsn1.your-objectstorage.com#' providers.tf
+      - sed -i 's#bucket  *= *"tfstate"#bucket = "renner-uno-tfstate"#' providers.tf
+      - sed -i 's#region  *= *"garage"#region = "fsn1"#' providers.tf
+      - sed -i 's#use_path_style  *= *true#use_path_style = false#' providers.tf
+      - grep -E 'bucket|key|endpoint|region|use_path_style' providers.tf
+      - echo "### 3/4 reconfigure to Hetzner (target) + push ###"
+      - tofu init -reconfigure -backend-config="access_key=$HETZNER_ACCESS" -backend-config="secret_key=$HETZNER_SECRET"
+      - tofu state push /tmp/state.json
+      - echo "### 4/4 verify state now lives on Hetzner ###"
+      - tofu state list > /tmp/list.txt
+      - 'echo "migrated resources: $(wc -l < /tmp/list.txt)"'
+      - test "$(wc -l < /tmp/list.txt)" -gt 10
+      - head -20 /tmp/list.txt