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fix(powerman): bind to Tailscale + localhost instead of 0.0.0.0

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Change powermand listen address from 0.0.0.0:10101 (all interfaces) to
127.0.0.1:10101 (local admin) + Tailscale IP:10101 (remote access). The
setup.sh now auto-detects the Tailscale IP at deploy time.

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Assisted-by: Crush:glm-5.2
This commit is contained in:
mrcharles
2026-07-28 19:45:17 -05:00
parent 815d07bbca
commit a980a4df2f
3 changed files with 18 additions and 4 deletions
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STATUS.md
+1 -1
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@@ -51,7 +51,7 @@ infrastructure, Proxmox cluster ops, and k8s control plane.
- [x] Cyclades AlterPath PM10i (10 outlets) managed via powerman over serial
- [x] USB-DB9 adapter (Prolific pl2303) with stable udev symlink
`/dev/cyclades-pm10`
- [x] powermand listening on `0.0.0.0:10101` (network-accessible)
- [x] powermand listening on `127.0.0.1:10101` + Tailscale `100.121.189.98:10101`
- [x] All 10 outlets defined as `outlet-1` through `outlet-10`
- [x] Validated: outlet 10 cycled off → on (8/8 test checks passed)
- [ ] Rename outlets to match physical devices (Friday onsite)
powerman/README.md
+1 -1
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@@ -13,7 +13,7 @@ Centralized power management for the Cyclades AlterPath PM10i PDU via
| **Host** | pfv-tsys1 (OptiPlex 9020, Proxmox) |
| **Serial** | 9600 baud, 8N1, raw mode |
| **Credentials** | Factory defaults: `admin` / `pm8` (in cyclades-pm10.dev) |
| **Network access** | powermand listens on `0.0.0.0:10101` |
| **Network access** | powermand listens on `127.0.0.1:10101` (local) + `100.121.189.98:10101` (Tailscale) |
## Device mapping
powerman/setup.sh
+16 -2
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@@ -29,18 +29,31 @@ PDU_DEV_NAME="${PDU_DEV_NAME:-cyclades-pm10}"
PDU_BAUD="${PDU_BAUD:-9600,8n1}"
PDU_TYPE="${PDU_TYPE:-pm10}"
PDU_OUTLETS="${PDU_OUTLETS:-10}"
PDU_LISTEN="${PDU_LISTEN:-0.0.0.0:10101}"
PDU_LISTEN="${PDU_LISTEN:-}" # Auto-detect Tailscale IP if empty
UDEV_RULE="/etc/udev/rules.d/99-cyclades-pdu.rules"
POWERMAN_CONF="/etc/powerman/powerman.conf"
DEV_FILE="/etc/powerman/cyclades-pm10.dev"
# --- Auto-detect Tailscale IP for listen address ---
if [ -z "$PDU_LISTEN" ]; then
TS_IP=$(tailscale ip -4 2>/dev/null || true)
if [ -n "$TS_IP" ]; then
PDU_LISTEN="${TS_IP}:10101"
echo " Auto-detected Tailscale IP: $TS_IP"
else
PDU_LISTEN="127.0.0.1:10101"
echo " WARNING: No Tailscale IP detected. Defaulting to localhost."
fi
fi
echo "============================================"
echo " Powerman PDU Setup"
echo " Host: $(hostname)"
echo " PDU: Cyclades PM${PDU_OUTLETS}i"
echo " Adapter serial: $PDU_SERIAL"
echo " Device symlink: /dev/$PDU_DEV_NAME"
echo " Listen: $PDU_LISTEN (Tailscale only)"
echo "============================================"
# --- 1. Ensure powerman is installed ---
@@ -112,7 +125,8 @@ cat > "$POWERMAN_CONF" <<PMCONF
# Generated by powerman/setup.sh on $(date)
# Device: /dev/${PDU_DEV_NAME} (USB-DB9 adapter serial ${PDU_SERIAL})
# Listen on all interfaces so PDU is manageable over the network
# Listen on localhost (for local admin) and Tailscale (for remote access)
listen "127.0.0.1:10101"
listen "${PDU_LISTEN}"
# Device specification for Cyclades PM10