Class: ZCollective::ZabbixClient

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

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ ZabbixClient

Returns a new instance of ZabbixClient.



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# File 'lib/zcollective/zabbixclient.rb', line 43

def initialize ( options = {} )
    @options   = options

    @log = Logger.new(STDERR)
    if( @options[:debug] )
        @log.level = Logger::DEBUG
    else
        @log.level = Logger::WARN
    end

    @auth_hash = authenticate

end

Instance Method Details

#authenticate ⇒ Object 



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# File 'lib/zcollective/zabbixclient.rb', line 57

def authenticate ( )

    @version = request( 'apiinfo.version' )

    major, minor, patch = @version.split('.')

    # login method name changed after 2.0
    if major.to_i >= 2 && minor.to_i > 0
         = 'user.login'
    else
         = 'user.authenticate'
    end

    response = request( ,  
        :user     => @options[:user], 
        :password => @options[:password] 
    )

end

#request(method, *args) ⇒ Object 



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# File 'lib/zcollective/zabbixclient.rb', line 94

def request( method, *args ) 

    json = request_json( method, *args )

    uri  = URI.parse( @options[:url] )
    proxy = ENV['http_proxy'] ? URI.parse(ENV['http_proxy']) : OpenStruct.new
    http = Net::HTTP::Proxy(proxy.host, proxy.port).new( uri.host, uri.port )
    http_timeout = @options[:http_timeout]
    http.read_timeout = http_timeout unless http_timeout.nil?

    request = Net::HTTP::Post.new( uri.request_uri )
    request.add_field( 'Content-Type', 'application/json-rpc' )
    request.body = json

    @log.debug( "HTTP Request: #{uri} #{json}" )

    response = http.request( request )

    unless response.code == "200"
        raise "HTTP Error: #{response.code}"
    end

    @log.debug( "HTTP Response: #{response.body}" )

    result = JSON.parse( response.body )

    if result['error']
        raise "JSON-RPC error: #{result['error']['message']} (#{result['error']['data']})"
    end

    result['result']

end

#request_json(method, *args) ⇒ Object 



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# File 'lib/zcollective/zabbixclient.rb', line 77

def request_json( method, *args )

    req = {
        :jsonrpc => '2.0',
        :method  => method,
        :params  => Hash[*args.flatten],
        :id      => rand( 100000 )
    }

    if @auth_hash
        req[:auth] = @auth_hash
    end

    JSON.generate( req )

end