Add read_timeout to http source to handle case of big list of nodes (#…

…2236)

Co-authored-by: Nabil Gergis <nabil.gergis@bell.ca>

CHANGELOG.md

@@ -8,6 +8,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/).
 
 ### Added
 
+- Extend http source configurations to include read_timeout value
 - enterasys800 model for enterasys 800-series fe/ge switches (@javichumellamo)
 - add ES3526XA-V2 support in EdgeCOS model (@moisseev)
 - model for eltex mes-series switches (@glaubway)

docs/Sources.md

@@ -148,6 +148,7 @@ source:
     delimiter: !ruby/regexp /:/
     user: username
     pass: password
+    read_timeout: 120
     map:
       name: hostname
       model: os

lib/oxidized/source/http.rb

@@ -61,6 +61,11 @@ def read_http(node_want)
       http.use_ssl = true if uri.scheme == 'https'
       http.verify_mode = OpenSSL::SSL::VERIFY_NONE unless @cfg.secure
 
+      # Add read_timeout to handle case of big list of nodes (default value is 60 seconds)
+      if @cfg.has_key? "read_timeout"
+        http.read_timeout = Integer(@cfg.read_timeout)
+      end
+
       # map headers
       headers = {}
       @cfg.headers.each do |header, value|