feat(aws-cloudwatch): log query widget visualisation types

packages/@aws-cdk/aws-cloudwatch/README.md

@@ -340,6 +340,7 @@ A `LogQueryWidget` shows the results of a query from Logs Insights:
 ```ts
 dashboard.addWidgets(new LogQueryWidget({
   logGroupNames: ['my-log-group'],
+  view: LogQueryVisualizationType.TABLE,
   // The lines will be automatically combined using '\n|'.
   queryLines: [
     'fields @message',

packages/@aws-cdk/aws-cloudwatch/lib/log-query.ts

@@ -1,6 +1,32 @@
 import * as cdk from '@aws-cdk/core';
 import { ConcreteWidget } from './widget';
 
+/**
+ * Types of view
+ */
+export enum LogQueryVisualizationType {
+  /**
+   * Table view
+   */
+  TABLE = 'table',
+  /**
+   * Line view
+   */
+  LINE = 'line',
+  /**
+   * Stacked area view
+   */
+  STACKEDAREA = 'stackedarea',
+  /**
+   * Bar view
+   */
+  BAR = 'bar',
+  /**
+   * Pie view
+   */
+  PIE = 'pie',
+}
+
 /**
  * Properties for a Query widget
  */
@@ -43,6 +69,13 @@ export interface LogQueryWidgetProps {
    */
   readonly region?: string;
 
+  /**
+   * The type of view to use
+   *
+   * @default LogQueryVisualizationType.TABLE
+   */
+  readonly view?: LogQueryVisualizationType;
+
   /**
    * Width of the widget, in a grid of 24 units wide
    *
@@ -83,18 +116,27 @@ export class LogQueryWidget extends ConcreteWidget {
       ? this.props.queryLines.join('\n| ')
       : this.props.queryString;
 
+    const properties: any = {
+      view: this.props.view? this.props.view : LogQueryVisualizationType.TABLE,
+      title: this.props.title,
+      region: this.props.region || cdk.Aws.REGION,
+      query: `${sources} | ${query}`,
+    };
+
+    // adding stacked property in case of LINE or STACKEDAREA
+    if (this.props.view === LogQueryVisualizationType.LINE || this.props.view === LogQueryVisualizationType.STACKEDAREA) {
+      // assign the right native view value. both types share the same value
+      properties.view = 'timeSeries',
+      properties.stacked = this.props.view === LogQueryVisualizationType.STACKEDAREA ? true : false;
+    }
+
     return [{
       type: 'log',
       width: this.width,
       height: this.height,
       x: this.x,
       y: this.y,
-      properties: {
-        view: 'table',
-        title: this.props.title,
-        region: this.props.region || cdk.Aws.REGION,
-        query: `${sources} | ${query}`,
-      },
+      properties: properties,
     }];
   }
 }

packages/@aws-cdk/aws-cloudwatch/test/integ.alarm-and-dashboard.expected.json

@@ -71,6 +71,22 @@
               {
                 "Ref": "AWS::Region"
               },
+              "\",\"query\":\"SOURCE 'my-log-group' | fields @message\\n                | filter @message like /Error/\"}},{\"type\":\"log\",\"width\":6,\"height\":6,\"x\":0,\"y\":23,\"properties\":{\"view\":\"bar\",\"title\":\"Errors in my log group - bar\",\"region\":\"",
+              {
+                "Ref": "AWS::Region"
+              },
+              "\",\"query\":\"SOURCE 'my-log-group' | fields @message\\n                | filter @message like /Error/\"}},{\"type\":\"log\",\"width\":6,\"height\":6,\"x\":0,\"y\":29,\"properties\":{\"view\":\"timeSeries\",\"title\":\"Errors in my log group - line\",\"region\":\"",
+              {
+                "Ref": "AWS::Region"
+              },
+              "\",\"query\":\"SOURCE 'my-log-group' | fields @message\\n                | filter @message like /Error/\",\"stacked\":false}},{\"type\":\"log\",\"width\":6,\"height\":6,\"x\":0,\"y\":35,\"properties\":{\"view\":\"timeSeries\",\"title\":\"Errors in my log group - stacked\",\"region\":\"",
+              {
+                "Ref": "AWS::Region"
+              },
+              "\",\"query\":\"SOURCE 'my-log-group' | fields @message\\n                | filter @message like /Error/\",\"stacked\":true}},{\"type\":\"log\",\"width\":6,\"height\":6,\"x\":0,\"y\":41,\"properties\":{\"view\":\"pie\",\"title\":\"Errors in my log group - pie\",\"region\":\"",
+              {
+                "Ref": "AWS::Region"
+              },
               "\",\"query\":\"SOURCE 'my-log-group' | fields @message\\n                | filter @message like /Error/\"}}]}"
             ]
           ]

packages/@aws-cdk/aws-cloudwatch/test/integ.alarm-and-dashboard.ts

@@ -9,7 +9,7 @@ import * as cloudwatch from '../lib';
 
 const app = new cdk.App();
 
-const stack = new cdk.Stack(app, 'aws-cdk-cloudwatch');
+const stack = new cdk.Stack(app, 'aws-cdk-cloudwatch-alarms');
 
 const queue = new cdk.CfnResource(stack, 'queue', { type: 'AWS::SQS::Queue' });
 
@@ -54,5 +54,33 @@ dashboard.addWidgets(new cloudwatch.LogQueryWidget({
   queryString: `fields @message
                 | filter @message like /Error/`,
 }));
+dashboard.addWidgets(new cloudwatch.LogQueryWidget({
+  title: 'Errors in my log group - bar',
+  view: cloudwatch.LogQueryVisualizationType.BAR,
+  logGroupNames: ['my-log-group'],
+  queryString: `fields @message
+                | filter @message like /Error/`,
+}));
+dashboard.addWidgets(new cloudwatch.LogQueryWidget({
+  title: 'Errors in my log group - line',
+  view: cloudwatch.LogQueryVisualizationType.LINE,
+  logGroupNames: ['my-log-group'],
+  queryString: `fields @message
+                | filter @message like /Error/`,
+}));
+dashboard.addWidgets(new cloudwatch.LogQueryWidget({
+  title: 'Errors in my log group - stacked',
+  view: cloudwatch.LogQueryVisualizationType.STACKEDAREA,
+  logGroupNames: ['my-log-group'],
+  queryString: `fields @message
+                | filter @message like /Error/`,
+}));
+dashboard.addWidgets(new cloudwatch.LogQueryWidget({
+  title: 'Errors in my log group - pie',
+  view: cloudwatch.LogQueryVisualizationType.PIE,
+  logGroupNames: ['my-log-group'],
+  queryString: `fields @message
+                | filter @message like /Error/`,
+}));
 
 app.synth();

packages/@aws-cdk/aws-cloudwatch/test/integ.composite-alarm.expected.json

@@ -58,19 +58,31 @@
             [
               "(((ALARM(",
               {
-                "Fn::GetAtt": [ "Alarm1F9009D71", "Arn" ]
+                "Fn::GetAtt": [
+                  "Alarm1F9009D71",
+                  "Arn"
+                ]
               },
               ") OR OK(",
               {
-                "Fn::GetAtt": [ "Alarm2A7122E13", "Arn" ]
+                "Fn::GetAtt": [
+                  "Alarm2A7122E13",
+                  "Arn"
+                ]
               },
               ") OR ALARM(",
               {
-                "Fn::GetAtt": [ "Alarm32341D8D9", "Arn" ]
+                "Fn::GetAtt": [
+                  "Alarm32341D8D9",
+                  "Arn"
+                ]
               },
               ")) AND (NOT (INSUFFICIENT_DATA(",
               {
-                "Fn::GetAtt":[ "Alarm4671832C8", "Arn" ]
+                "Fn::GetAtt": [
+                  "Alarm4671832C8",
+                  "Arn"
+                ]
               },
               ")))) OR FALSE)"
             ]

packages/@aws-cdk/aws-cloudwatch/test/test.graphs.ts

@@ -1,6 +1,6 @@
 import { Stack } from '@aws-cdk/core';
 import { Test } from 'nodeunit';
-import { Alarm, AlarmWidget, Color, GraphWidget, LegendPosition, LogQueryWidget, Metric, Shading, SingleValueWidget } from '../lib';
+import { Alarm, AlarmWidget, Color, GraphWidget, LegendPosition, LogQueryWidget, Metric, Shading, SingleValueWidget, LogQueryVisualizationType } from '../lib';
 
 export = {
   'add stacked property to graphs'(test: Test) {
@@ -142,6 +142,128 @@ export = {
     test.done();
   },
 
+  'query result widget - bar'(test: Test) {
+    // GIVEN
+    const stack = new Stack();
+    const logGroup = {logGroupName: 'my-log-group'};
+
+    // WHEN
+    const widget = new LogQueryWidget({
+      logGroupNames: [logGroup.logGroupName],
+      view: LogQueryVisualizationType.BAR,
+      queryLines: [
+        'fields @message',
+        'filter @message like /Error/',
+      ],
+    });
+
+    // THEN
+    test.deepEqual(stack.resolve(widget.toJson()), [{
+      type: 'log',
+      width: 6,
+      height: 6,
+      properties: {
+        view: 'bar',
+        region: { Ref: 'AWS::Region' },
+        query: `SOURCE '${logGroup.logGroupName}' | fields @message\n| filter @message like /Error/`,
+      },
+    }]);
+
+    test.done();
+  },
+
+  'query result widget - pie'(test: Test) {
+    // GIVEN
+    const stack = new Stack();
+    const logGroup = {logGroupName: 'my-log-group'};
+
+    // WHEN
+    const widget = new LogQueryWidget({
+      logGroupNames: [logGroup.logGroupName],
+      view: LogQueryVisualizationType.PIE,
+      queryLines: [
+        'fields @message',
+        'filter @message like /Error/',
+      ],
+    });
+
+    // THEN
+    test.deepEqual(stack.resolve(widget.toJson()), [{
+      type: 'log',
+      width: 6,
+      height: 6,
+      properties: {
+        view: 'pie',
+        region: { Ref: 'AWS::Region' },
+        query: `SOURCE '${logGroup.logGroupName}' | fields @message\n| filter @message like /Error/`,
+      },
+    }]);
+
+    test.done();
+  },
+
+  'query result widget - line'(test: Test) {
+    // GIVEN
+    const stack = new Stack();
+    const logGroup = {logGroupName: 'my-log-group'};
+
+    // WHEN
+    const widget = new LogQueryWidget({
+      logGroupNames: [logGroup.logGroupName],
+      view: LogQueryVisualizationType.LINE,
+      queryLines: [
+        'fields @message',
+        'filter @message like /Error/',
+      ],
+    });
+
+    // THEN
+    test.deepEqual(stack.resolve(widget.toJson()), [{
+      type: 'log',
+      width: 6,
+      height: 6,
+      properties: {
+        view: 'timeSeries',
+        stacked: false,
+        region: { Ref: 'AWS::Region' },
+        query: `SOURCE '${logGroup.logGroupName}' | fields @message\n| filter @message like /Error/`,
+      },
+    }]);
+
+    test.done();
+  },
+
+  'query result widget - stackedarea'(test: Test) {
+    // GIVEN
+    const stack = new Stack();
+    const logGroup = {logGroupName: 'my-log-group'};
+
+    // WHEN
+    const widget = new LogQueryWidget({
+      logGroupNames: [logGroup.logGroupName],
+      view: LogQueryVisualizationType.STACKEDAREA,
+      queryLines: [
+        'fields @message',
+        'filter @message like /Error/',
+      ],
+    });
+
+    // THEN
+    test.deepEqual(stack.resolve(widget.toJson()), [{
+      type: 'log',
+      width: 6,
+      height: 6,
+      properties: {
+        view: 'timeSeries',
+        stacked: true,
+        region: { Ref: 'AWS::Region' },
+        query: `SOURCE '${logGroup.logGroupName}' | fields @message\n| filter @message like /Error/`,
+      },
+    }]);
+
+    test.done();
+  },
+
   'alarm widget'(test: Test) {
     // GIVEN
     const stack = new Stack();