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Fix the issue that alarm info part shows undefined when alarm is base… #46

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Fix the issue that alarm info part shows undefined when alarm is base… #46

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11 changes: 8 additions & 3 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -233,20 +233,26 @@ var handleCloudWatch = function(event, context) {
var region = event.Records[0].EventSubscriptionArn.split(":")[3];
var subject = "AWS CloudWatch Notification";
var alarmName = message.AlarmName;
var metricName = message.Trigger.MetricName;
var oldState = message.OldStateValue;
var newState = message.NewStateValue;
var alarmDescription = message.AlarmDescription;
var alarmReason = message.NewStateReason;
var trigger = message.Trigger;
var color = "warning";
var alarmConfigInfo;

if (message.NewStateValue === "ALARM") {
color = "danger";
} else if (message.NewStateValue === "OK") {
color = "good";
}

if (Array.isArray(trigger.Metrics) && trigger.Metrics.length > 0) {
alarmConfigInfo = "Expression based alarm";
} else {
alarmConfigInfo = trigger.Statistic + " " + trigger.MetricName;
}

var slackMessage = {
text: "*" + subject + "*",
attachments: [
Expand All @@ -257,8 +263,7 @@ var handleCloudWatch = function(event, context) {
{ "title": "Alarm Description", "value": alarmDescription, "short": false},
{
"title": "Trigger",
"value": trigger.Statistic + " "
+ metricName + " "
"value": alarmConfigInfo + " "
+ trigger.ComparisonOperator + " "
+ trigger.Threshold + " for "
+ trigger.EvaluationPeriods + " period(s) of "
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2 changes: 1 addition & 1 deletion package.json
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Expand Up @@ -2,7 +2,7 @@
"name": "lambda-cloudwatch-slack",
"version": "0.3.0",
"description": "Better Slack notifications for AWS CloudWatch",
"authors": [
"authors": [
"Christopher Reichert <[email protected]>",
"Cody Reichert <[email protected]>",
"Alexandr Promakh <[email protected]>"
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