Add VSOL GPON OLT model (vsololt)

CHANGELOG.md

@@ -6,6 +6,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ## [Unreleased]
 ### Added
+- vsololt: new model for VSOL GPON OLT (@Vantomas)
 
 ### Changed
 

docs/Supported-OS-Types.md

@@ -191,6 +191,7 @@
 |VMWare              |NSX Edge (configuration)      |[nsxconfig](/lib/oxidized/model/nsxconfig.rb)
 |                    |NSX Edge (firewall rules)     |[nsxfirewall](/lib/oxidized/model/nsxfirewall.rb)
 |                    |NSX Distributed Firewall      |[nsxdfw](/lib/oxidized/model/nsxdfw.rb)
+|VSOL                |GPON OLT                      |[vsololt](/lib/oxidized/model/vsololt.rb)        |@Vantomas        |
 |VYOS Networks       |VYOS                          |[vyos](/lib/oxidized/model/vyos.rb)              |                 |Fork of Vyatta, tracking the supported versions (>= 1.4.x)
 |Watchguard          |Fireware OS                   |[firewareos](/lib/oxidized/model/firewareos.rb)
 |Waystream (PacketFront)|iBOS (Intelligent Broadband OS)|[ibos](/lib/oxidized/model/ibos.rb)

lib/oxidized/model/vsololt.rb

@@ -0,0 +1,93 @@
+class VSOLOLT < Oxidized::Model
+  using Refinements
+
+  # Tested with VSOL V1600G0-B GPON OLT, software V1.4.13R
+
+  # The device runs its CLI in three modes, all matched here:
+  #   user mode:   RT87_23|87.23.4-Komin_OLT>
+  #   enable mode: RT87_23|87.23.4-Komin_OLT#
+  #   config mode: RT87_23|87.23.4-Komin_OLT(config)#
+  # The hostname can contain '|', '.', '-' and the prompt appends '(config)'.
+  prompt /^([\w.@|()\/-]+[#>]\s?)$/
+  comment '! '
+
+  # The OLT continuously prints log events into the SSH session and there is no
+  # known way to disable them. They all start with a "YYYY/MM/DD HH:MM:SS"
+  # timestamp, e.g.:
+  #   2026/05/25 17:08:24   ONU Port Los   PON 0/3 ONU 50 sn ... LAN1 LINK DOWN
+  # Strip them so they don't pollute the collected configuration.
+  cmd :all do |cfg|
+    cfg.gsub! /^\d{4}\/\d{2}\/\d{2}\s+\d{2}:\d{2}:\d{2}\s+.*$\n?/, ''
+    # Pager redraw orphans: after we answer the " --More-- " pager with a space,
+    # the device erases its 10-character prompt by emitting 10x BACKSPACE +
+    # 10x SPACE + 10x BACKSPACE before redrawing the next line in its place.
+    # Left untouched, this glues the last line of a page to the first line of
+    # the next one. (See tnsr.rb for an analogous case with a different byte
+    # count: there the prompt is "--More--" cleared with 8x \x08\x20\x08.)
+    cfg.gsub! /\x08{10}\x20{10}\x08{10}/, ''
+    # NUL byte trailing the " --More-- " marker, in case expect didn't catch it.
+    cfg.gsub! "\x00", ''
+    cfg.cut_both
+  end
+
+  # Pager handling. The device paginates with a " --More-- \x00" line (note the
+  # leading/trailing space and the trailing NUL byte). Advance with a space.
+  # Only consume the spaces on the pager's own line (and the NUL) here, NOT the
+  # preceding newline, so the previous config line stays on its own line. The
+  # backspace/space redraw orphans are cleaned in cmd :all above.
+  expect /\x20*--More--\x20*\x00?/ do |data, re|
+    send ' '
+    data.sub re, ''
+  end
+
+  cmd :secret do |cfg|
+    # SNMP community string. It appears both as "snmp-server community <X> ro|rw"
+    # and inside "snmp-server host ... version 2c community <X>"; anchor to
+    # "snmp-server" so we don't touch the word "community" elsewhere.
+    cfg.gsub! /^(snmp-server .*community) \S+/, '\\1 <secret hidden>'
+    # OLT admin accounts:
+    #   user add admin login-password X
+    #   user role admin ADMIN enable-password X
+    cfg.gsub! /(login-password)\s+\S+/, '\\1 <secret hidden>'
+    cfg.gsub! /(enable-password)\s+\S+/, '\\1 <secret hidden>'
+    # client account passwords on ONUs, e.g.
+    #   ... username admin_control enable admin PW1 user_control enable user PW2
+    # PW1 follows "enable <role>", PW2 follows "user_control enable <role>".
+    cfg.gsub! /(username \S+ enable \S+)\s+\S+/, '\\1 <secret hidden>'
+    cfg.gsub! /(user_control enable \S+)\s+\S+/, '\\1 <secret hidden>'
+    # client (ONU) Wi-Fi PSK: ... shared_key PW rekey_interval ...
+    cfg.gsub! /(shared_key)\s+\S+/, '\\1 <secret hidden>'
+    cfg
+  end
+
+  cmd 'show version' do |cfg|
+    comment cfg
+  end
+
+  cmd 'show pon transceiver-info all' do |cfg|
+    comment cfg
+  end
+
+  cmd 'show running-config' do |cfg|
+    # Filtering the injected log messages (see cmd :all) leaves behind the
+    # blank line(s) the device printed around each async message. The
+    # running-config uses '!' as section separators, not blank lines, so
+    # collapse any run of empty lines to drop those artifacts.
+    cfg.gsub! /(?:\r?\n[ \t]*){2,}/, "\n"
+    cfg
+  end
+
+  cfg :ssh do
+    # The show commands are only available after entering enable + config mode.
+    # The enable password equals the SSH login password (vars(:enable) overrides).
+    post_login do
+      send "enable\n"
+      expect /[pP]assword:\s*$/
+      send (vars(:enable) || @node.auth[:password]).to_s + "\n"
+      expect /[#>]\s*$/
+    end
+    post_login 'configure terminal'
+    pre_logout 'end'
+    pre_logout 'exit'
+  end
+end