feat: add ns-clm (Cloud Log Manager)

[gsanchietti]

Forward logs to Nethesis Cloud Log Manager

How to test it:

uci set ns-clm.config.uuid="L$(uuidgen)"
uci set ns-clm.config.tenant='12345'
uci set ns-clm.config.enabled='1'
uci commit ns-clm
reload_config

Companion PRs:

• feat(inventory): send clm status python3-nethsec#124
• feat(logs): add CLM nethsecurity-docs#238

[Copilot]

Pull request overview

Adds the ns-clm (Cloud Log Manager) feature to NethSecurity, introducing an OpenWrt package that forwards syslog entries to the Nethesis CLM service and exposes an RPCD API (ns.clm) to manage its configuration.

Changes:

• Introduce ns-clm package (init script, UCI config defaults, Python forwarder daemon, README).
• Add ns.clm RPCD endpoint and ACL, and install it via ns-api package Makefile.
• Enable building ns-clm via build configuration (config/ns-clm.conf).

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 9 comments.

Show a summary per file

File	Description
packages/ns-clm/README.md	Documents configuration, API usage, and forwarder behavior.
packages/ns-clm/Makefile	Defines the new ns-clm OpenWrt package, installation steps, and dependencies.
packages/ns-clm/files/ns-clm.init	procd init script to start/stop the forwarder based on UCI config and subscription UUID.
packages/ns-clm/files/ns-clm-forwarder	Python daemon that tails /var/log/messages, filters/batches entries, and forwards to CLM over HTTP.
packages/ns-clm/files/config	Default UCI configuration for ns-clm.
packages/ns-clm/files/20_ns-clm	uci-defaults script to create runtime directory.
packages/ns-api/Makefile	Installs the new ns.clm RPCD handler and ACL into the ns-api package.
packages/ns-api/files/ns.clm.json	ACL entry granting access to the ns.clm ubus object.
packages/ns-api/files/ns.clm	RPCD handler implementing get-config and set-config for ns-clm.
config/ns-clm.conf	Enables building the ns-clm package in the build configuration.

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