Module: Sensu::API::Routes::Clients

Includes:
Utilities::ResolveEvent
Included in:
Sensu::API::Routes
Defined in:
lib/sensu/api/routes/clients.rb

Constant Summary collapse

CLIENTS_URI = 
/^\/clients$/
CLIENT_URI = 
/^\/clients\/([\w\.-]+)$/
CLIENT_HISTORY_URI = 
/^\/clients\/([\w\.-]+)\/history$/

Instance Method Summary collapse

Instance Method Details

#delete_client ⇒ Object

DELETE /clients/:client_name



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# File 'lib/sensu/api/routes/clients.rb', line 115

def delete_client
  client_name = parse_uri(CLIENT_URI).first
  client_key = "client:#{client_name}"
  signature_key = "#{client_key}:signature"
  @redis.get(client_key) do |client_json|
    unless client_json.nil?
      @redis.set(signature_key, "invalidated") if @params[:invalidate]
      @redis.hgetall("events:#{client_name}") do |events|
        events.each do |check_name, event_json|
          resolve_event(event_json)
        end
        delete_client = Proc.new do |attempts|
          attempts += 1
          @redis.hgetall("events:#{client_name}") do |events|
            if events.empty? || attempts == 5
              @logger.info("deleting client from registry", :client_name => client_name)
              @redis.srem("clients", client_name) do
                @redis.del(client_key)
                invalidate_expire = integer_parameter(@params[:invalidate_expire])
                if @params[:invalidate] && invalidate_expire
                  @redis.expire(signature_key, invalidate_expire)
                else
                  @redis.del(signature_key)
                end
                @redis.del("events:#{client_name}")
                @redis.smembers("result:#{client_name}") do |checks|
                  checks.each do |check_name|
                    result_key = "#{client_name}:#{check_name}"
                    @redis.del("result:#{result_key}")
                    @redis.del("history:#{result_key}")
                    @redis.del("history:#{result_key}:last_ok")
                  end
                  @redis.del("result:#{client_name}")
                end
              end
            else
              EM::Timer.new(1) do
                delete_client.call(attempts)
              end
            end
          end
        end
        delete_client.call(0)
        @response_content = {:issued => Time.now.to_i}
        accepted!
      end
    else
      not_found!
    end
  end
end

#get_client ⇒ Object

GET /clients/:client_name



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# File 'lib/sensu/api/routes/clients.rb', line 62

def get_client
  client_name = parse_uri(CLIENT_URI).first
  @redis.get("client:#{client_name}") do |client_json|
    unless client_json.nil?
      @response_content = Sensu::JSON.load(client_json)
      respond
    else
      not_found!
    end
  end
end

#get_client_history ⇒ Object

GET /clients/:client_name/history



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# File 'lib/sensu/api/routes/clients.rb', line 75

def get_client_history
  client_name = parse_uri(CLIENT_HISTORY_URI).first
  @response_content = []
  @redis.smembers("result:#{client_name}") do |checks|
    unless checks.empty?
      checks.each_with_index do |check_name, index|
        result_key = "#{client_name}:#{check_name}"
        history_key = "history:#{result_key}"
        @redis.lrange(history_key, -21, -1) do |history|
          history.map! do |status|
            status.to_i
          end
          @redis.get("result:#{result_key}") do |result_json|
            unless result_json.nil?
              result = Sensu::JSON.load(result_json)
              last_execution = result[:executed]
              unless history.empty? || last_execution.nil?
                item = {
                  :check => check_name,
                  :history => history,
                  :last_execution => last_execution.to_i,
                  :last_status => history.last,
                  :last_result => result
                }
                @response_content << item
              end
            end
            if index == checks.length - 1
              respond
            end
          end
        end
      end
    else
      respond
    end
  end
end

#get_clients ⇒ Object

GET /clients



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# File 'lib/sensu/api/routes/clients.rb', line 37

def get_clients
  @response_content = []
  @redis.smembers("clients") do |clients|
    clients = pagination(clients)
    unless clients.empty?
      clients.each_with_index do |client_name, index|
        @redis.get("client:#{client_name}") do |client_json|
          unless client_json.nil?
            @response_content << Sensu::JSON.load(client_json)
          else
            @logger.error("client data missing from registry", :client_name => client_name)
            @redis.srem("clients", client_name)
          end
          if index == clients.length - 1
            respond
          end
        end
      end
    else
      respond
    end
  end
end

#post_clients ⇒ Object

POST /clients



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# File 'lib/sensu/api/routes/clients.rb', line 15

def post_clients
  read_data do |client|
    client[:keepalives] = client.fetch(:keepalives, false)
    client[:version] = VERSION
    client[:timestamp] = Time.now.to_i
    client[:subscriptions] ||= []
    validator = Validators::Client.new
    if validator.valid?(client)
      client[:subscriptions] = (client[:subscriptions] + ["client:#{client[:name]}"]).uniq
      @redis.set("client:#{client[:name]}", Sensu::JSON.dump(client)) do
        @redis.sadd("clients", client[:name]) do
          @response_content = {:name => client[:name]}
          created!
        end
      end
    else
      bad_request!
    end
  end
end