Controller 1.8.0

1.8.0

29 May 2026

New features

• New: Extension yang-announce-latest to select other than the latest announced YANG per device
• Added CLI command: show device yang schema

API changes on existing protocol/config features

• Changed CLI show output:
  • Changed CLI show transaction output to a table
  • Changed CLI show connections timestamp to last stable state
• Remove old transient or synced datastores at start to clear stale files
• New clixon-controller@2026-03-01.yang revision
  • Added rpc get-device-schema and device-rpc-result
  • Added device list to transaction state
  • Added stable-timestamp to device state
  • Added memory statistics to rpc clixon-stats
  • Removed sync parameter from device-rpc RPC (never worked)
• Changed getting device RPC results, and get device state (RESTCONF and NETCONF)
  • Instead of retrieving transaction state, get the reply data by a new RPC call: device-rpc-result
    • Send the RPC: device-rpc, get the tid in the reply
    • Wait for result using transaction or poll a successful transaction state
    • Get the result using: device-rpc-result (this is new)

Controller 1.7.0

1.7.0

21 February 2026

New features

• Clixon CLI optimization reduces memory consumption if devices have large YANGs
• Added transaction garbage-collect
  • Keep only a limited nr of transactions structures (default 100)
  • Remove "devices" struct used for device rpc and state replies after timeout (default 300s)
• New clixon-controller@2025-12-01.yang revision
  • Added service-timeout
  • Added timestamp0 to transaction

Corrected Bugs

• Fixed: Interop fails between Controller and Clixon-appliance when private-candidate is enabled
• Fixed: Some devices announce duplicate modules leading to controller error
• Fixed: device rpc hangs in notification when devices return large amount of data
• Fixed: Candidate datastore lock prevents sequential commit operations via RESTCONF
• Fixed: Memory leak after reopening connection

Controller 1.6.0

1.6.0

21 November 2025

New features

• New: Configure and adapt to device netconf encapsulation 1.0 or 1.1
• Improved NETCONF error messages on locked datastore
• New clixon-controller@2025-08-01.yang revision
  • Added the following fields to device-common:
    • private-candidate
• New clixon-controller@2025-05-01.yang revision
  • Added the following fields to device-common:
    • private-candidate
    • netconf-framing
    • netconf-state-schemas

Corrected Bugs

• Fixed: Allow retrieving modules with empty revisions
• Fixed: Memory leak after reopening connection
• Fixed: commit on multiple devices with one device with not pulled local commit drops connection to subset of devices
• Fixed: Device closes when device out-of-sync (Only > 50 devices)
• Fixed: set glob skip disabled devices correctly and warn of different YANGs
• Fixed: get-schema rpc in netconf monitoring: need to decode yang module with CDATA

Controller 1.5.0

1.5.0

29 July 2025

New features

• New: NACM for Clixon Controller
  • Support for services
  • Testcases for controller nacm and nacm+restconf
  • Added cli show detail command
• New: CLI exclusive mode for candidate
  • Set CLICON_AUTOLOCK=true
• New: new command "pull diff"
  • Added pull <device> diff | check
• New: ssh keep-alive
  • Hard-coded to 300s
• New clixon-controller@2025-05-01.yang revision
  • Added rpc device-rpc

API changes on existing protocol/config features

• New clixon-controller-config@2025-05-01.yang revision

Corrected Bugs

• Fixed: Candidate CLICON_AUTOLOCK not automatically removed
• Fixed: RESTCONF PUT/POST data does sometimes not work across mountpoint
• Fixed: Controller diff does not check for NACM read rules
• Fixed: Controller commit RPC does not check locks
• Fixed: Syntax errror when deleting leafs on Junos
• Fixed: Confusing error message if device has NACM
• Fixed: Improve error message when creator tag is malformed

Controller 1.4.0

1.4.0

3 April 2025

The controller 1.4 introduces RESTCONF support and a new extensions architecture.

New features

• Controller RESTCONF support
  • See: Controller RESTCONF access not properly tested and documented
• New extension plugin dir with ability to add device-specific plugins and YANGs
  • First junos-native plugin for non-rfc-compliant devices
• Check if part of client-rpc, if so send notifications asynchronously
• Device handle flags and dynamic mechanism to allocate flags

API changes on existing protocol/config features

• New clixon-controller-config@2025-02-01.yang revision
  • Added CONTROLLER_SSH_IDENTITYFILE
• New clixon-controller@2025-02-01.yang revision
  • Added restconf
  • Added common fields to transaction state and notification

Controller 1.3.0

1.3.0

30 January 2025

The controller 1.3 release features device RPCs, device-groups, and show device state as well as cycle optimization.

New features

• New: device-groups to be first level objects
  • Use device-groups when connecting, pull, push and show
• Optimization Performance: commit takes long time with many devices
  • Avoid copy in compare/diff
  • Optimized strip service at commit
• Show device state
  • New CLI show device state command
  • See CLI show state does not return device state (config false) data
• Execute arbitrary device RPCs using templates
  • see: Execute arbitrary RPC commands
  • docs: https://clixon-controller-docs.readthedocs.io/en/latest/cli.html#rpc-templates

API changes on existing protocol/config features

• New clixon-controller-config@2024-11-01.yang revision
  • Changed RPC input parameter parameter name devname -> device:
    • config-pull
    • controller-commit
    • connection-change
    • get-device-config
    • datastore-diff
    • device-template-apply
    • This applies to any "raw" NETCONF RPC:s, CLI code is updated
  • Changed default device-common/port to 830
  • Added hide-show extension to created container
  • Added device-generic-rpc

Corrected Bugs

• Fixed: Not possible to remove service if "ctrl:created-by-service" is located in the top of the YANG specification
• Fixed: Running undefined RPC towards a device closes connection
• Fixed: RPC commit diff problem
• Fixed: CLI: default format text | display
• Fixed: CLI: Don't show ... tags by default
• Fixed: YANG domains: issues if devices in different domains have identical schemas
• Fixed: Generalize default autocli.xml file
• Fixed: Commit without changes results in weird diff

Controller 1.2.0

1.2.0

28 October 2024

New features

• Added configurable port for NETCONF over SSH
  • See make netconf ssh port to devices configurable
• Added yang domains for mount-point isolation
  • See Support isolated YANG domains
• New CLI commands:
  • show device yang
  • show device capability

API changes on existing protocol/config features

• New version string on the form: 1.1.0-1+70+gbae59f2
• Edits to device addr, user, domain, etc causes device disconnect
• Removed --with yang-installdir from configure
  • Use DATADIR instead
• New clixon-controller@2024-08-01.yang revision
  • Added device-domains
  • Added port to device-common
• New clixon-controller-config@2024-08-01.yang revision
  • Removed defaults for:
    • CONTROLLER_ACTION_COMMAND
    • CONTROLLER_PYAPI_MODULE_PATH
    • CONTROLLER_PYAPI_PIDFILE
  • Obsoleted CONTROLLER_YANG_SCHEMA_MOUNT_DIR
• Re-arranged directories
  • Put Controller YANG under $DATADIR/controller, typically /usr/local/share/controller.
  • Removed YANG_INSTALLDIR
  • Mountpoint dirs moved to sub-levels under /usr/local/share/controller/mounts
    • Example: /usr/local/share/controller/mounts/default
    • For isolated domains
  • Put controller YANG root in /usr/local/share/controller
    • Moved from /usr/local/share/clixon/controller

Corrected Bugs

• Fixed: CLI bug w/ device domains on juniper qfx devices
• Fixed: Controller doesn't properly identify ietf-netconf-monitoring in hello statement on FS switch
• Fixed: commit fail in transaction caused assertion

Controller 1.1.0

1.1.0

3 July 2024

New features

• Added CLI command logging
• Added split config data into multi-datastore
• Added priority for north-bound sockets
• Added session kill
• CLI configurable format: Default format should be configurable

API changes on existing protocol/config features

• Rearranged CLI connection command and made it blocking.

Corrected Bugs

• Fixed: When changing configuration for devices which are in state closed we get an error message
• Fixed: "show devices" hangs if SSH-process to any device is killed
• Fixed: CLI load merge from stdin only worked once
• Fixed: default format does not work in configure mode
  But must be default format xml for pipe display to work
• Fixed: connection open does local commit on services
• Fixed: CLI: Can't change configuration on Juniper QFX devices
• Fixed: Commit to device(s) in OPEN state even if we have other devices in CLOSED state

Clixon controller 1.0.0

1.0.0

12 March 2024

Clixon controller 1.0 is the first major release.

New features

• Added badges for readthedocs, codecov and coverity
• New: show version(s)
• New: Added template (formal) variables which includes CLI autocompletion and sanity checks
  • See CLI should allow autocomplete of template variables
• New: SSH StrictHostKeyChecking optional
• New: Exclusive candidate configuration
• Replaced creator attributes with a configured solution
• New: show creator paths associated to service instance
  • See https://clixon-controller-docs.readthedocs.io/en/latest/cli.html#creators
• New CLI commands:
  • show sessions [detail]
  • unlock <datastore> Add unlock CLI command
• Optimization
  • YANG memory-footprint optimization
    • Optimize memory by sharing yspec between devices
  • Performance issues with CLI tab-completion
    • Optimization of cligen_treeref_wrap
    • Dont read device config data when read device state
    • Also in clixon:
      • Optimization of yang_find
      • Added mountpoint cache as yang flag YANG_FLAG_MTPOINT_POTENTIAL

API changes on existing protocol/config features

• Debug level -D 1 changed to -D app.
  • -D msg (-D 2) still applies for message debugging
• CLI apply service syntax changed:
  • From: apply services <path> to: apply services <service> <instance>
  • Example: apply services testA[name='foo'] to: apply services testA foo
• In configure mode, reordered apply template/services to:
  • apply [template|services]
• New clixon-controller@2024-01-01.yang revision
  • Added warning field to transaction
  • Added created-by-service grouping
  • Added service-instance parameter to rpc controller-commit
  • Added ssh-stricthostkey

Corrected Bugs

• Fixed: CLI expand of apply services instance
• Fixed: Syntax errors must be shown in CLI
• Fixed: Lock-denied if device connection fails
• Fixed: Device connection errors could be more informative
• Fixed: apply services does not allow dry-run
• Fixed: old device config wrongly pushed back
• Fixed: services reapply does not allow specific service instance
• Fixed: Device pull from configure only sync running
• Fixed: Notification is not sent when a service parameter is changed
• Fixed: Commit/connect transaction may lock datastore with no info or method to break it
• Fixed: pull config from device also does commit local config
• Fixed: Commit don't push configuration if service is configured
• Fixed: "commit diff" after applying a service always seems to show a diff
• Fixed: Backend may exit with assertion if the device return warnings
• Fixed: apply template with multiple variables do not work in some cases

Clixon controller 0.2.0

0.2.0

6 December 2023

The clixon controller 0.2.0 release features device templates, local
yang modules, simple templates and many bugfixes.
Based on CLIgen/Clixon 6.5.0.

New features

• Templates
  • First version uses simple variable substitution in XML bodies
  • Template is YANG anydata which means CLI editing is not possible, instead needs XML input
• CLI: Load raw XML/JSON from stdin
• Add device / profile ignore fields
• Support a loadable mechanism for device profiles
  • The mechanism loads a set of configured modules locally from disk,
  • Instead of using RFC 6022 NETCONF monitoring get-schema method to devices
  • Modified the controller yang with device-profile and device-common

API changes on existing protocol/config features

• New clixon-controller-config@2023-11-01.yang revision
  • Added CONTROLLER_YANG_SCHEMA_MOUNT_DIR
• New clixon-controller@2023-11-01.yang revision
  • Added device-profile list
  • Added device-common grouping, for common device/device-profile fields
  • Added module-set to device-common
  • Added ignore-compare extension

Corrected Bugs

• Fixed: Unable to commit to device with warnings
• Fixed: cl:creator tags should survive a backend restart
• Fixed: "show compare devices diff" should display device name
• Fixed: Device configuration is removed when starting from running
• Fixed: "validate push" etc should only use the connected devices
• Fixed: Command 'show compare' broken
• Fixed: Possible to get stuck in an lock-denied state with no way to recover
• Fixed: NETCONF delete messages include extra XML
• Fixed: Validation errors not shown in CLI