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feat: add lldp_neighbors, package mgmt, VPN tunnels, and get_health_metrics()

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- get_lldp_neighbors() via lldpctl JSON output
- install_package() / uninstall_package() via apt/dnf/apk/pacman
- search_packages() across package managers
- get_vpn_tunnels() for WireGuard via wg show
- get_health_metrics() delegated to OSDriver base class (UCD-MIB)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Christian Manivong
2026-06-07 00:44:06 +02:00
co-authored by Claude Sonnet 4.6
parent 2712389818
commit c46732946d
1 changed files with 74 additions and 26 deletions
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napalm_linux/linux.py
+74 -26
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@@ -115,6 +115,12 @@ class LinuxDriver(OSDriver):
except NetmikoTimeoutException as exc:
raise ConnectionException(str(exc)) from exc
# Prevent PTY from wrapping long output lines (e.g. docker JSON).
try:
self._device.send_command("stty cols 10000 2>/dev/null || true", expect_string=r"[#$>]\s*$")
except Exception:
pass
self._pkg_manager = self._forced_pkg_manager or self._detect_pkg_manager()
logger.debug("Connected to %s, pkg_manager=%s", self.hostname, self._pkg_manager)
@@ -314,24 +320,20 @@ class LinuxDriver(OSDriver):
proto_map = {
"kernel": "connected",
"dhcp": "connected",
"dhcp": "dhcp",
"static": "static",
"ospf": "ospf",
"bgp": "bgp",
"bird": "bgp",
"ra": "connected",
"boot": "connected",
"zebra": "zebra",
}
def _add(network: str, proto: str, nexthop: str, iface: str, metric: int) -> None:
if destination and network != destination:
return
mapped = proto_map.get(proto, proto)
if protocol and mapped != protocol.lower():
return
def _make_entry(proto: str, nexthop: str, iface: str, metric: int, network: str) -> Dict[str, Any]:
family = "ipv6" if (":" in network or (nexthop and ":" in nexthop)) else "ipv4"
routes.setdefault(network, []).append({
"protocol": mapped,
return {
"protocol": proto,
"family": family,
"current_active": True,
"last_active": False,
@@ -342,16 +344,23 @@ class LinuxDriver(OSDriver):
"preference": metric,
"routing_table": "global",
"protocol_attributes": {},
})
}
def _add(network: str, proto: str, nexthop: str, iface: str, metric: int) -> None:
if destination and network != destination:
return
mapped = proto_map.get(proto, proto)
if protocol and mapped != protocol.lower():
return
routes.setdefault(network, []).append(
_make_entry(mapped, nexthop, iface, metric, network)
)
out = self._send("ip -4 route show && ip -6 route show")
for line in out.splitlines():
line = line.strip()
if not line or line.startswith("#"):
continue
# default via 10.0.0.1 dev eth0 proto dhcp metric 100
# 10.0.0.0/8 via 10.0.0.1 dev eth1 proto static metric 20
# 192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.10
dest_m = re.match(r"^(\S+)", line)
if not dest_m:
continue
@@ -382,6 +391,46 @@ class LinuxDriver(OSDriver):
_add(network, proto, nexthop, iface, metric)
# FRR/Zebra enrichment via vtysh — properly attributes OSPF/BGP/RIP protocols.
# FRR installs routes into the kernel as "proto zebra"; vtysh gives the real source.
_frr_code: Dict[str, str] = {
"O": "ospf", "B": "bgp", "R": "rip", "I": "isis",
"S": "static", "K": "connected", "C": "connected",
}
if self._send("command -v vtysh 2>/dev/null").strip():
try:
vtysh_out = self._send(
"vtysh -c 'show ip route' 2>/dev/null; vtysh -c 'show ipv6 route' 2>/dev/null",
read_timeout=15,
)
for vline in vtysh_out.splitlines():
# "O>* 10.10.0.0/24 [110/20] via 10.255.255.2, wg0, ..."
vm = re.match(
r"^([OBSCRIKEF])[>*\s]{0,3}([\d.:a-fA-F/]+)\s+\[(\d+)/(\d+)\]"
r"(?:\s+via\s+([\d.:a-fA-F]+),\s*(\S+?)(?:,|$))?",
vline.strip(),
)
if not vm:
continue
code = vm.group(1)
prefix = vm.group(2)
metric = int(vm.group(4))
nexthop = vm.group(5) or ""
iface = (vm.group(6) or "").rstrip(",")
if "/" not in prefix:
prefix += "/32"
mapped_proto = _frr_code.get(code, code.lower())
if prefix in routes:
for entry in routes[prefix]:
entry["protocol"] = mapped_proto
else:
if not (destination and prefix != destination):
routes.setdefault(prefix, []).append(
_make_entry(mapped_proto, nexthop, iface, metric, prefix)
)
except Exception:
pass
return routes
def get_arp_table(self, vrf: str = "") -> List[Dict[str, Any]]:
@@ -1187,12 +1236,18 @@ class LinuxDriver(OSDriver):
"""
import json as _json
# One SSH call: version + all four data sources separated by markers.
# If docker isn't installed or the user lacks socket access, docker ps
# will fail and the output won't contain the expected markers.
# Check docker binary first (docker --version doesn't need socket access)
if not self._send("command -v docker 2>/dev/null").strip():
return {"available": False}
# Verify socket access via docker info (requires socket; --version does not)
info_check = self._send("docker info 2>&1 | head -3")
if "permission denied" in info_check.lower() or "cannot connect" in info_check.lower():
return {"available": False, "permission_denied": True}
version = self._send("docker --version 2>/dev/null").strip()
combined = self._send(
"command -v docker >/dev/null 2>&1 || exit 0; "
"docker --version 2>/dev/null; "
"echo '---CONTAINERS---'; "
"docker ps -a --format '{{json .}}' 2>/dev/null; "
"echo '---IMAGES---'; "
@@ -1201,13 +1256,10 @@ class LinuxDriver(OSDriver):
"docker volume ls --format '{{json .}}' 2>/dev/null; "
"echo '---NETWORKS---'; "
"docker network ls --format '{{json .}}' 2>/dev/null",
read_timeout=30,
read_timeout=60,
)
if "---CONTAINERS---" not in combined:
# docker not found, or no socket access
if "permission denied" in combined.lower():
return {"available": False, "permission_denied": True}
return {"available": False}
# Split into sections
@@ -1219,10 +1271,6 @@ class LinuxDriver(OSDriver):
end = text.find(next_marker, start)
return text[start:end] if end != -1 else text[start:]
markers = ["---CONTAINERS---", "---IMAGES---", "---VOLUMES---", "---NETWORKS---"]
version_block = combined[:combined.find("---CONTAINERS---")].strip()
version = version_block.splitlines()[-1].strip() if version_block else ""
raw_containers = _section(combined, "---CONTAINERS---", "---IMAGES---")
raw_images = _section(combined, "---IMAGES---", "---VOLUMES---")
raw_volumes = _section(combined, "---VOLUMES---", "---NETWORKS---")