lambda.html

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  Copyright 2014 IBM Corp.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
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<script type="text/x-red" data-template-name="amazon lambda">
    <div class="form-row">
        <label for="node-input-aws"><i class="fa fa-user"></i> AWS</label>
        <input type="text" id="node-input-aws">
    </div>
    <div class="form-row">
        <label for="node-input-region"><i class="fa fa-wrench"></i> Region</label>
        <select type="text" id="node-input-region">
          <option value="">=== Select Region ===</option>
          <option value="us-east-1">US East (N. Virginia)</option>
          <option value="us-west-2">US West (Oregon)</option>
          <option value="us-west-1">US West (N. California)</option>
          <option value="eu-west-1">EU (Ireland)</option>
          <option value="eu-central-1">EU (Frankfurt)</option>
          <option value="ap-southeast-1">Asia Pacific (Singapore)</option>
          <option value="ap-southeast-2">Asia Pacific (Sydney)</option>
          <option value="ap-northeast-1">Asia Pacific (Tokyo)</option>
          <option value="sa-east-1">South America (Sao Paulo)</option>
        </select>
    </div>
    <div class="form-row">
        <label for="node-input-operation"><i class="fa fa-wrench"></i> Operation</label>
        <select id="node-input-operation">
          <option value="invoke">invoke</option>
        </select>
    </div>
    <div class="form-row input-function-row">
        <label for="node-input-functionname"><i class="fa fa-table"></i> Function Name</label>
        <select id="node-input-functionname" >
        </select>
    </div>
    <div class="form-row">
        <label for="node-input-name"><i class="fa fa-tag"></i> Name</label>
        <input type="text" id="node-input-name" placeholder="Name">
    </div>
</script>

<script type="text/x-red" data-help-name="amazon lambda">
</script>

<script type="text/javascript">
    RED.nodes.registerType('amazon lambda',{
        category: 'storage-output',
        color:"#C0DEED",
        defaults: {
            aws: {type:"aws-config",required:true},
            region: { value: '' },
            operation: { value: 'invoke' },
            functionname: { value: '' },
            name: {value:""}
        },
        inputs:1,
        outputs:1,
        icon: "amazon.png",
        align: "right",
        label: function() {
            return this.name || "lambda";
        },
        oneditprepare: function () {
            lambdaNode = RED.nodes.node(this.id);
            $("#node-input-region").change(function () {
                var id = $("#node-input-region option:selected").val();
                if (id) {
                  window.lambdaNodeIntervalId = window.setTimeout(pollLambdaFunction,2000);
                }
            });
        }
   });


    var lambdaNode;
    function updateLambdaFunctionList(lists) {
        var functions = $("#node-input-functionname");
        functions.children("option").remove();
        functions.append('<option value=""> == select Function == </option>');
        $.each(lists.Functions, function(i, opt){
            functions.append('<option value="' + opt.FunctionName + '">' + opt.FunctionName + '</option>');
        });
        functions.val(lambdaNode.functionname);
    }

    function pollLambdaFunction() {
        var configid = $("#node-input-aws option:selected").val();
        var awsconfig = RED.nodes.node(configid);

        var param = "";
        if(lambdaNode.aws || configid ||
            ( awsconfig.credentials && awsconfig.credentials.accesskeyid && awsconfig.credentials.secretaccesskey ) ){
          if (awsconfig.credentials) {
            param = '&accesskeyid='+awsconfig.credentials.accesskeyid+'&secretaccesskey='+awsconfig.credentials.secretaccesskey;
          }
          var region = $("#node-input-region option:selected").val();
          $.getJSON('amazon-lambda/listfunctions?id='+lambdaNode.id+'&region='+region+param,
            function(data) {
              if (data) {
                updateLambdaFunctionList(data);
                delete window.lambdaNodeIntervalId;
              } else {
                window.lambdaNodeIntervalId = window.setTimeout(pollLambdaFunction,2000);
              }
          });
        }else{
          window.lambdaNodeIntervalId = window.setTimeout(pollLambdaFunction,2000);
        }
    }

</script>