chore: initial import from KNEL/PFVCluster@041d311 [#769]

Split per O&M lane work order. Full history: KNEL/PFVCluster. https://projects.knownelement.com/issues/769#note-4152
2026-09-03 21:39:35 -05:00
commit 7a899b8ac6
67 changed files with 7166 additions and 0 deletions
@@ -0,0 +1,44 @@
+#!/bin/bash
+# Read-only DNS consistency checker for Proxmox VMs.
+# Checks that every running VM's name resolves to the IP it's actually using,
+# and that reverse DNS (PTR) matches the VM name. Mismatches are reported as bugs.
+set -u
+echo "===== VM DNS CONSISTENCY CHECK: $(hostname -s)  $(date -u +%FT%TZ) ====="
+echo
+echo "##### Running VMs with IPs (via guest-agent or ARP) #####"
+
+for vmid in $(qm list 2>/dev/null | awk 'NR>1 && $4=="running" {print $1}'); do
+  name=$(qm config "$vmid" 2>/dev/null | awk '/^name:/{print $2}')
+  # Get the VM's net0 config to determine the bridge
+  net0=$(qm config "$vmid" 2>/dev/null | awk '/^net0:/{print $0}')
+  echo ""
+  echo "--- VMID $vmid: $name ---"
+  echo "  net0: ${net0//net0: /}"
+
+  # Try to get IP via guest-agent
+  if qm config "$vmid" 2>/dev/null | grep -q 'agent:.*enabled=1\|^agent: 1'; then
+    guest_ips=$(qm guest cmd "$vmid" network-get-interfaces 2>/dev/null)
+    if [ -n "$guest_ips" ]; then
+      echo "  guest-agent IPs:"
+      echo "$guest_ips" | python3 -c "
+import sys, json
+try:
+    data = json.load(sys.stdin)
+    for iface in data:
+        name = iface.get('name','?')
+        for addr in iface.get('ip-addresses',[]):
+            ip = addr.get('ip-address','')
+            typ = addr.get('ip-address-type','')
+            if typ == 'ipv4' and not ip.startswith('127.'):
+                print(f'    {name}: {ip}')
+except: pass
+" 2>/dev/null
+    else
+      echo "  guest-agent: no response"
+    fi
+  else
+    echo "  guest-agent: not enabled"
+  fi
+done
+echo
+echo "===== END $(hostname -s) ====="