model: Added Allied Telesis AW+ model (#936)

* Create awplus.rb

Added support for Allied Telesis AW+ switches and routers

* Add support for Allied Telesis Alliedware Plus products

* Add Allied Telesis to Supported Products

* Add Allied Telesis to supported models

Feature support included:

- Telnet and SSH
-- Enable/Secret Password
- Device info from "show system" command
-- Dynamic output e.g. Device Uptime is removed.
- Var: remove_secret
- User-defined terminal length
-- User is not required to "terminal no length" and can keep configured pager length.

2 files changed, 87 insertions, 0 deletions

diff --git a/docs/Supported-OS-Types.md b/docs/Supported-OS-Types.md
index c2035b0..a12f5ef 100644
--- a/docs/Supported-OS-Types.md
+++ b/docs/Supported-OS-Types.md
@@ -11,6 +11,8 @@
    * [ISAM](/lib/oxidized/model/isam.rb)
    * [SR OS (Formerly TiMOS)](/lib/oxidized/model/timos.rb)
    * Wireless
+ * Allied Telesis
+   * [Alliedware Plus](/lib/oxidized/model/awplus.rb)
  * Alvarion
    * [BreezeACCESS](/lib/oxidized/model/alvarion.rb)
  * APC
diff --git a/lib/oxidized/model/awplus.rb b/lib/oxidized/model/awplus.rb
new file mode 100644
index 0000000..1d8fbcd
--- /dev/null
+++ b/lib/oxidized/model/awplus.rb
@@ -0,0 +1,85 @@
+class AWPlus < Oxidized::Model
+
+  #Allied Telesis Alliedware Plus Model#
+  #https://www.alliedtelesis.com/products/software/AlliedWare-Plus
+  
+  prompt /^(\r?[\w.@:\/-]+[#>]\s?)$/
+  comment  '! '
+
+  #Avoids needing "term length 0" to display full config file. 
+    expect /--More--/ do |data, re|
+      send ' '
+      data.sub re, ''
+    end
+
+  #Removes gibberish pager output e.g. VT100 escape codes
+  cmd :all do |cfg|
+    cfg.gsub! /\e\[K/, ''         # example how to handle pager - cleareol EL0
+    cfg.gsub! /\e\[7m\e\[m/, ''   # example how to handle pager - Reverse SGR7
+    cfg.gsub! /\r/, ''  # Filters rogue ^M - see issue #415
+    cfg.each_line.to_a[1..-2].join
+  end
+
+  #Remove passwords from config file.
+  #Add vars "remove_secret: true" to global oxidized config file to enable. 
+
+  cmd :secret do |cfg|
+    cfg.gsub! /^(snmp-server community).*/, '\\1 <configuration removed>'
+    cfg.gsub! /^(username \S+ privilege \d+) (\S+).*/, '\\1 <secret hidden>'
+    cfg.gsub! /^(username \S+ password \d) (\S+)/, '\\1 <secret hidden>'
+    cfg.gsub! /^(username \S+ secret \d) (\S+)/, '\\1 <secret hidden>'
+    cfg.gsub! /^(enable (password|secret) \d) (\S+)/, '\\1 <secret hidden>'
+    cfg.gsub! /^(\s+(?:password|secret)) (?:\d )?\S+/, '\\1 <secret hidden>'
+    cfg.gsub! /^(tacacs-server key \d) (\S+)/, '\\1 <secret hidden>'
+    cfg
+  end
+
+  #Adds "Show system" output to start of config. 
+
+  cmd 'Show System' do |cfg|
+    comment cfg.insert(0,"--------------------------------------------------------------------------------! \n")
+    #Unhash below to write a comment in the config file.
+    cfg.insert(0,"Starting: Show system cmd \n")
+    cfg << "\n \nEnding: show system cmd"
+    comment cfg << "\n--------------------------------------------------------------------------------! \n \n"
+    #Removes the following lines from "show system" in output file. This ensures oxidized diffs are meaningful. 
+    comment cfg.each_line.reject { |line| 
+                                    line.match /^$\n/ or #Remove blank lines in "sh sys"
+                                    line.match /System Status\s*.*/ or
+                                    line.match /RAM\s*:.*/ or 
+                                    line.match /Uptime\s*:.*/ or 
+                                    line.match /Flash\s*:.*/ or 
+                                    line.match /Current software\s*:.*/ or 
+                                    line.match /Software version\s*:.*/ or 
+                                    line.match /Build date\s*:.*/ }.join
+  end
+     
+  #Actually get the devices running config#
+  cmd 'show running-config' do |cfg|
+    cfg
+  end
+  
+  #Config required for telnet to detect username prompt
+  cfg :telnet do
+    username /login:\s/
+    end
+
+  #Main login config
+    cfg :telnet, :ssh do
+    post_login do
+      if vars :enable
+        send "enable\n"
+        expect /^Password:\s/
+        cmd vars(:enable) + "\r\n"
+      else
+        cmd 'enable' # Required for Priv-Exec users without enable PW to be put into "enable mode". 
+      end
+#      cmd 'terminal length 0' #set so the entire config is output without intervention.
+    end
+    pre_logout do
+#      cmd 'terminal no length' #Sets term length back to default on exit. 
+      send  "exit\r\n"
+    end
+  end  
+
+end