Class: Qnotifier::WebService

Inherits:
Object
  • Object
show all
Defined in:
lib/web_service.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ WebService

Returns a new instance of WebService.



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# File 'lib/web_service.rb', line 11

def initialize
  @@poll_interval = 300
end

Instance Attribute Details

#config ⇒ Object

Returns the value of attribute config.



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# File 'lib/web_service.rb', line 9

def config
  @config
end

Instance Method Details

#register_server(temp_key) ⇒ Object 



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# File 'lib/web_service.rb', line 131

def register_server(temp_key)
  return if temp_key.empty?
  Qnotifier.log.info "Registering Server"      
  begin 
    puts "Connecting to the QNotifier web service..."        
    url = URI.parse("#{@config["api_endpoint"]}/register_server")
    req = Net::HTTP::Post.new(url.path)
    req.body = {"temp_key" => temp_key, "hostname" => @hostname}.to_json
    req["Content-Type"] = "Qnotifier-#{Qnotifier::VERSION}"
    req["User-Agent"] = "application/json"
    res = Net::HTTP.new(url.host, url.port).start {|http| http.request(req) }
    puts res.body
    case res
    when Net::HTTPSuccess
      Qnotifier.log.debug "Registration Request Response: HTTP #{res.code} #{res.body}"
      return res.body
    else
      Qnotifier.log.warn "Registration Request Response: HTTP #{res.code} #{res.body}"
    end
  rescue Exception => e
    Qnotifier.log.error "Registering Server: Can't connect to #{@config["api_endpoint"]} - #{e.message}"
  end
  return nil
end

#send_alerts(alerts) ⇒ Object 



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# File 'lib/web_service.rb', line 15

def send_alerts(alerts)
      
  return if alerts.empty?

  unless @hostname
    unless @config["hostname"]
      @hostname = `hostname`.strip
    else
      @hostname = @config["hostname"]
    end
  end
  
  if $qnotifier_debug
    puts "\nAlerts:"
    puts alerts
    puts "\nNot sending alerts to server due to debug mode."
    return
  end
  
  Qnotifier.log.info "Sending alerts #{alerts}"      

  message = {"api_key" => @config["api_key"], 
             "api_version" => "1.0",
             "agent_version" => Qnotifier::VERSION,
             "hostname" => @hostname,
             "alerts" => alerts}.to_json
  
  begin 
    url = URI.parse("#{@config["api_endpoint"]}/send_alert")
    req = Net::HTTP::Post.new(url.path)
    req.body = message
    req["Content-Type"] = "Qnotifier-#{Qnotifier::VERSION}"
    req["User-Agent"] = "application/json"
    res = Net::HTTP.new(url.host, url.port).start {|http| http.request(req) }
    case res
    when Net::HTTPSuccess
      body = JSON.parse(res.body)
      if body["poll_interval"]
        @@poll_interval = body["poll_interval"].to_i
      end
    else
      Qnotifier.log.warn "Server Response: HTTP #{res.code} #{res.body}"
      if res.code.to_i == 402 
        Qnotifier::Storage.put("server_disabled_pings", Time.now)
        Qnotifier.log.error "Server has asked us to disable pings"
      end
    end
  rescue Exception => e
    Qnotifier.log.error "Sending Alert: Can't connect to #{@config["api_endpoint"]} - #{e.message}"
  end
end

#send_reports_stats(reports, stats, alert_count) ⇒ Object 



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# File 'lib/web_service.rb', line 67

def send_reports_stats(reports, stats, alert_count)
  
  # Only send reports every 300s
  last_run = Qnotifier::Storage.get("last_run")
  if $qnotifier_debug
    puts "\nStats:"
    puts stats
    puts "\nReports:"
    puts reports
    puts "\nNot sending data to server due to debug mode."
    exit
  end
  if last_run and (Time.now - last_run) <= @@poll_interval
    return
  end
  Qnotifier::Storage.put("last_run", Time.now)

  return if reports.empty? and stats.empty?
  Qnotifier.log.debug "Sending Reports and Stats"
        
  unless @hostname
    unless @config["hostname"]
      @hostname = `hostname`.strip
    else
      @hostname = @config["hostname"]
    end
  end
        
  message = {"api_key" => @config["api_key"], 
             "api_version" => "1.0",
             "agent_version" => Qnotifier::VERSION,
             "hostname" => @hostname,
             "stats" => stats,
             "alert_count" => alert_count,
             "reports" => reports}.to_json
        
  begin 
    url = URI.parse("#{@config["api_endpoint"]}/update_server")
    req = Net::HTTP::Post.new(url.path)
    req.body = message
    req["Content-Type"] = "Qnotifier-#{Qnotifier::VERSION}"
    req["User-Agent"] = "application/json"
    res = Net::HTTP.new(url.host, url.port).start {|http| http.request(req) }
    puts res.body
    case res
    when Net::HTTPSuccess
      body = JSON.parse(res.body)
      if body["poll_interval"]
       @@poll_interval = body["poll_interval"].to_i
      end
      Qnotifier.log.debug "Server Response: HTTP #{res.code} #{body[:message]}"
    else
      Qnotifier.log.warn "Server Response: HTTP #{res.code} #{res.body}"
      if res.code.to_i == 402 
       puts "disabling pings"
       Qnotifier::Storage.put("server_disabled_pings", Time.now)
       Qnotifier.log.error "Server has asked us to disable pings"
      end
    end
  rescue Exception => e
   Qnotifier.log.error "Sending Reports/Stats: Can't connect to #{@config["api_endpoint"]} - #{e.message}"
  end
end