POST /appliances/{id}/install replied 204 with an empty body, so the MCP
appliance_install tool crashed with 'Expecting value: line 1 column 1'
while the template had actually been created. The route now returns the
created template (201, response_model=schemas.Template), _create_template
propagates it, and the MCP handler parses the body defensively so an
empty reply degrades to a plain success message.
Suspending a single VPCS/IOU node returned a fake 204: the controller
route swallowed the compute 405 that the node types honestly raise, so
callers saw success while the node stayed started. Surface the 405
instead. The best-effort swallow on suspend_all is kept (and now covered
by a test) since mixed projects legitimately contain always-running node
types.
GET /projects/{id}/locked returned True for a project with no drawings
or nodes: both loops ran zero times and the fallback return won. Locking
and unlocking such a project always succeeded while the state stayed
"locked", so it could never be unlocked.
Report a project with nothing to lock as not locked, and re-check the
state after unlock in the route tests.
Loading a .gns3 placed directly in the projects root registered the
shared projects directory as the project path (load_project derives
the path from the file's parent directory). Deleting such an entry ran
rmtree on the projects directory itself, wiping every project until a
root-owned file stopped it, and left a zombie entry in the controller.
Three layers of protection:
- Controller.load_project() refuses a .gns3 whose parent directory is
the projects directory; the normal subdirectory layout is unaffected
- the Project.path setter rejects the projects directory itself and
its ancestors, closing the same hole for POST/PUT with an explicit
path
- Project.delete() uses realpath + commonpath instead of commonprefix:
entries whose path is the projects root are refused, and sibling
directories sharing a string prefix (/srv/projects-evil vs
/srv/projects) are no longer treated as inside the projects dir
Also removes the project_load MCP tool: loading by raw server
filesystem path is a footgun for automated clients; projects can still
be opened by project_id via the remaining tools.
GET /v3/projects/{project_id}/gns3file returns the raw .gns3 file as
application/json so the WebUI can render topology thumbnails without
opening the project. Adds a public Project.topology_file property.
GET returns all settings sections except the deprecated
VirtualBox/VMware ones (Server.Audit privilege); secrets are
masked and Controller.jwt_secret_key is excluded entirely.
PUT applies a partial update (Server.Modify privilege): masked
or empty secrets mean unchanged, null removes the option, the
response carries the new values plus restart_required, and a
settings.updated notification is emitted. New
Server.Audit/Server.Modify privileges are seeded into the
Administrator role at table creation.
MCP is an optional AI feature that already depends on
agent.gns3_copilot (Gns3Connector, nornir/netmiko tools) and whose
MCP_AVAILABLE feature flag lives in gns3server/agent. Moving it there
collocates all AI features under one tree and removes AI code from the
core REST routes.
- git mv gns3server/api/routes/mcp -> gns3server/agent/mcp (no content changes)
- api/server.py, core/tasks.py: update import paths
- tests: tests/api/routes/mcp -> tests/agent/mcp, rewrite patch BASE and
handler imports; fix MCP_DIR depth in test_tool_params.py
- agent/__init__.py: probe the SDK via importlib.import_module so the
top-level name "mcp" is not bound in the agent namespace (it would
shadow the new gns3server.agent.mcp subpackage and break
'from gns3server.agent import mcp')
- docs: update source file paths
Verified: full suite 1567 passed; 82 MCP tools registered, SSE mounted
at /v3/mcp/transport.
The brctl Ethernet switch runs a per-port uBridge relay, so it can host
the mark filter and packet filters like any uBridge-backed node. Add
ethernet_switch to _MARKER_CAPABLE_TYPES and _get_filter_node, narrow the
UDPLink.update() NIO-PUT skip down to the Dynamips-hosted ethernet_hub,
and expose the matching compute endpoints: PUT nio (filter/marker
reapply) plus the per-marker toggle/pause/resume/delete/rebuild routes.
The ethernet_hub keeps its exclusion: its routes still wire into the
Dynamips hub, which has no uBridge of its own.
Web clients serialize empty form fields as "" while unset values are
stored as None on the node. The bare != diff in the update handler then
sees a phantom change on every full PUT and recreates the container for
nothing -- even when the user only changed a controller-only field such
as netmiko_device_type.
Normalize at the schema boundary ("" -> None for start_command,
environment and extra_hosts; "" -> "/" for console_http_path), make
the setters apply the same canonicalization, and create nodes through
the setters instead of bypassing them in __init__ so both paths store
identical values.
node_console_info now returns token_sha256_prefix (sha256, first 8 hex
chars) and token_ttl_seconds alongside the console WebSocket URL, and
controller WebSocket auth rejections include the sha256 prefix of the
token as received. Comparing the two immediately distinguishes a token
corrupted in transfer from server-side rejection causes (expired,
revoked, bad signature).
get_token_data used to raise the same "Could not validate credentials"
for every JWT-level failure (bad signature, expired, malformed), which
made console WebSocket auth failures impossible to tell apart. Return a
distinct detail per cause and log the underlying exception plus the
unverified header alg value on rejection.
New GET /v3/netmiko/device_types endpoint returns the device types
supported by the netmiko library installed on the server, including
the gns3-copilot custom drivers, so the web UI can populate the
netmiko_device_type dropdown on templates and nodes.
The list is read at runtime from netmiko's ssh_dispatcher.CLASS_MAPPER
registry (the same table ConnectHandler dispatches on), filtered to
drop the '_ssh' aliases and the 'autodetect' pseudo type, and cached
for the process lifetime. Returns 501 when netmiko is not installed
(ai-features extra).
Appliance fields that describe the appliance (vendor information, default
credentials, installation instructions...) were dropped when installing a
template. Keep them in a new appliance_metadata JSON column on the
templates table, filled by the appliance-to-template conversion for both
registry v1-6 and v8 (version level values override the appliance level
ones). The nested schema allows extra fields so future registry fields
persist without a migration.
- install: resolve the image directory from the version's settings type and
skip image handling for docker appliances; guard appliance.images
- appliance schema: validate template_properties against template_type,
align cpu_throttling with the qemu template, add kvm and version idlepc
- conversion: map IOU image to path, kvm disable to accel=tcg, inherit only
same-type default settings, symbol fallback from the effective category,
template_properties cannot override structural fields
- allow clearing netmiko_device_type with an empty string
- download the template symbol regardless of the level it is defined at and
give qemu guests a default symbol
Common template field (schema + templates table column + Alembic
migration) holding the Netmiko device type (e.g. 'cisco_xr', 'nokia_srl')
so Netmiko/Nornir based tooling can look up how to reach a node's CLI
without hard-coded vendor mappings. Free-form lowercase string on
purpose: Netmiko's platform list evolves independently of GNS3.
Dynamips.create_nio is async def while BaseManager.create_nio is a sync
def. The previous fix only added the extra 'node' argument but did not
await the resulting coroutine, causing 'was never awaited' warnings and
passing a coroutine object instead of an NIO instance to the binding
dispatch. Add 'await' on the Dynamips branch. Test updated to verify
both the async nature and the parameter count.
The inspect check tested unbound function signatures (3 params unbound vs
2 unbound) but node.manager.create_nio is a bound method — inspect
excludes 'self'. Dynamips bound = 2 (node + nio_settings), standard
bound = 1 (nio_settings). The old '== 3' never matched, so the extra
'node' arg was never passed. Switch to '>= 2' and rewrite the test to
exercise the actual bound-method scenario.
Cover every dispatch branch in the batch NIO endpoint so that future
additions of node types with unusual NIO-binding signatures are caught
at test time.
Dynamips.create_nio requires the node as first positional argument
(unlike every other manager which takes only nio_settings). The batch
handler now detects this via parameter-count inspection (3 vs 2) and
passes node when needed.
Also add Dynamips to _add_nio_binding dispatch: routers use
slot_add_nio_binding(slot, port, nio), switches/hubs fall back to
add_nio(nio, port_number).
Add tests covering Dynamips router dispatch, switch dispatch, and the
create_nio signature detection to prevent regression.
Project open used to create each link by issuing two NIO POSTs from the
controller to the compute — ~5000 HTTP round-trips for a 2500-link
topology, all funnelling through the single shared controller/compute
event loop and capping throughput near 12 links/s.
Replace it with a bulk path:
- UDPLink split into _prepare() (local: ports, peer addrs, link_data)
and _commit_nios() (dispatch). create() = prepare + commit (interactive).
- Link.add_node gains batch=True: attach both nodes without triggering
per-link NIO HTTP.
- compute: new POST /projects/{id}/nios/batch endpoint with a unified
_add_nio_binding dispatch across node types (docker/qemu/iou/vpcs/
builtin differ in signature).
- project.open: prepare all links locally, group NIO entries by compute,
send each compute a single /nios/batch, then finalise (wire node/port
refs, mark created, notify, apply marker defs) in parallel.
Cuts controller->compute HTTP from O(links) to O(computes). Test added
for the batch endpoint.
A marker definition fans out to every link and auto-selects its capture node
on each, so tx/rx is relative to a node that varies per link — the controller
already rejects it (409). Exposing direction on the MCP definition tool let an
agent ask for something that could only fail. Remove the parameter and the
handler's direction handling; the docstring now points to encoding direction in
the BPF (e.g. 'icmp and icmp[icmptype]==8'). Per-link link_marker keeps
direction, where the capture node is fixed.
128 characters was far beyond any realistic marker label (icmp, arp, tcp-syn)
and would have collided with the pcap filename budget once a tag prefix is
added later. Cap the user-facing name at 32 in both MarkerCreate and
MarkerDefinitionCreate; the compute-side name guard now also rejects names
longer than 48, which covers the `global-{def_name}` inherited form (≤ 39).
Replace psutil.net_if_addrs() scan with a deterministic name derived from
the switch's node UUID: gns3 + first 6 hex chars (10 chars, fits kernel
IFNAMSIZ limit of 15). Taps: <bridge>-<port> (12-13 chars).
Crash recovery: brctl delete the bridge first (best-effort), then create
fresh. Stale bridges from abnormal gns3server shutdown are automatically
reclaimed on the next start — no EEXIST or leaked interfaces.
Remove _free_iface helper and psutil import (no longer needed).
brctl create leaves the bridge administratively DOWN. Add link set up
so the bridge actually forwards frames between enslaved ports.
Also record Docker iptables FORWARD DROP pitfall in project memory.
Replace the builtin EthernetSwitch stub with a Linux kernel bridge backed
by uBridge's brctl module. Each switch node creates one kernel bridge
(gns3br{N}) with VLAN filtering; each port is a persistent TAP enslaved to
the bridge, relayed by a per-port uBridge bridge (nio_tap <-> nio_udp).
- Access/dot1q/qinq port modes translated to brctl vlan primitives
- Compute router repointed from Dynamips to Builtin manager
- Tests updated: 21 router-level tests + 215 surrounding tests pass
- Real-kernel e2e verified: access 100 PVID untagged, dot1q trunk
VIDs 1-4094 + native 1, qinq 802.1ad proto + 200 PVID
Ethertype 0x9100/0x9200 handling and port-count guard relaxation are
deferred pending resolution.
For Docker nodes, reload bottoms out as a raw POST /containers/{id}/restart
to the Docker daemon, bypassing GNS3's start/stop lifecycle (uBridge
re-attach, console servers, NIC setup). The container restarts at the
Docker level but GNS3's plumbing goes out of sync, and the daemon call can
block up to the controller's 240s timeout — manifesting as "reload hangs /
no response". stop+start runs the full lifecycle and is reliable.
Remove the node_reload and node_reload_all MCP tools (tool functions,
handlers, NODE_TOOLS entry, tests, docs). The underlying REST endpoints
(POST /nodes/{id}/reload, POST /nodes/reload) are kept for native API
users. MCP callers should use node_stop + node_start (partial) or
close/open project (full restart) instead.
19 controller-layer tests covering start/stop/update_marker (storage,
inheritance guards + bypasses, partial-update preservation of render
hints), project-def CRUD (fan-out, sync, delete-cleanup regression),
apply_defs_to_new_link, persist_markers/asdict, and aggregation.
15 API-route tests covering per-link create/update/delete (201/200/204),
global-prefix rejection on create (409 regression), bad-format rejection
(422), PUT/DELETE-on-inherited guard (409 regression), project-def CRUD
endpoints, and the aggregation view.
All 34 tests pass when run as part of the full suite.
- New config: Controller.jwt_refresh_token_expire_minutes (default 30 days)
- New endpoint: POST /v3/access/users/refresh (public, unauthenticated)
- Login/authenticate responses now include refresh_token
- AuthService: _create_token helper, create_refresh_token, get_token_data
now parses type claim (token_use) for token classification
- Security: refresh tokens rejected on HTTP + WebSocket access paths;
/refresh strictly requires type=='refresh'
- Logout works for free via existing token_version mechanism
- Tests: 9 new TestRefreshToken cases, all passing; 34 existing tests
still pass (no regressions)
- Stream file GET/POST through controller without buffering in memory
- Add recursive and subdirectory filtering to node file listing
- Replace file extension with magic-based file type detection
- Add DELETE endpoint for node and project files
- Include directories in listing response
- Add params and stream support to http_query
- Fix lambda closures, streamer exception scope, and delete error codes
The LLMConfig.Audit and LLMConfig.Modify privileges added to the User
role increased the default privilege count from 25 to 27. Update test
assertions to match the new counts.
