Class: Bfire::Aggregator::Zabbix

Inherits:
Object
  • Object
show all
Defined in:
lib/bfire/aggregator/zabbix.rb

Instance Method Summary collapse

Constructor Details

#initialize(session, experiment, opts = {}) ⇒ Zabbix

Returns a new instance of Zabbix.



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# File 'lib/bfire/aggregator/zabbix.rb', line 6

def initialize(session, experiment, opts = {})
  @session = session
  @username = opts[:username] || "Admin"
  @password = opts[:password] || "zabbix"
  @experiment = experiment
  @token, @request_id = nil, 0
  @uri = @experiment.uri.to_s+"/zabbix"
  @max_attempts = 5
end

Instance Method Details

#authenticate ⇒ Object 



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# File 'lib/bfire/aggregator/zabbix.rb', line 50

def authenticate
  @token = request("user.authenticate", {"user" => @username, "password" => @password})
end

#request(method, params = {}) ⇒ Object 



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# File 'lib/bfire/aggregator/zabbix.rb', line 16

def request(method, params = {})
  begin
    authenticate if @token.nil? && method != "user.authenticate"
    @request_id += 1
    q = { "jsonrpc" => "2.0", "auth" => @token, "id" => @request_id,
          "method" => method, "params" => params }
    resource = @session.post(@uri,
      JSON.dump(q),
      :head => {
        'Content-Type' => 'application/json',
        'Accept' => 'application/json'
      }
    )

    # That fucking zabbix API returns "text/plain" as content-type...
    h = JSON.parse(resource.response.body)

    if h['error']
      if h['error']['data'] == "Not authorized"
        @token = nil
        request(method, params)
      else
        raise StandardError, "Received error: #{h.inspect}" if h['error']
      end
    else
      h['result']
    end
  rescue Restfully::HTTP::Error => e
    # retry ad vitam eternam
    sleep 5
    retry
  end
end