feat: Metrics utility #91

pankajagrawal16 · 2020-09-12T07:27:30Z

Issue #, if available:

Description of changes:

EMF logging support

Checklist

Meet tenets criteria
Update tests
Update docs
PR title follows conventional commit semantics

Breaking change checklist

RFC issue #:

Migration process documented
Implement warnings (if it can live side by side)

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...oftware/amazon/lambda/powertools/metrics/handlers/PowertoolsMetricsEnabledStreamHandler.java

example/HelloWorldFunction/src/main/java/helloworld/App.java

pom.xml

msailes · 2020-09-12T14:46:17Z

I'll write some Javadocs.

msailes · 2020-09-12T15:10:14Z

...cs/src/main/java/software/amazon/lambda/powertools/metrics/internal/LambdaMetricsAspect.java

+    }
+
+    private String namespace(PowertoolsMetrics powertoolsMetrics) {
+        return !"".equals(powertoolsMetrics.namespace()) ? powertoolsMetrics.namespace() : NAMESPACE;


What is the default namespace if neither the annotation parameter or environment variable are set?

This should probably match the "service_undefined" functionality.

I dont see python version sets any defaults either https://github.com/awslabs/aws-lambda-powertools-python/blob/develop/aws_lambda_powertools/metrics/base.py#L90

msailes · 2020-09-12T15:39:35Z

...metrics/src/main/java/software/amazon/lambda/powertools/metrics/PowertoolsMetricsLogger.java

+        return metricsLogger;
+    }
+
+    public static void withSingleMetric(final String name,


Did you leave the service out on purpose?

Yeah made the API consistent with python one here https://awslabs.github.io/aws-lambda-powertools-python/core/metrics/#creating-a-metric-with-a-different-dimension

pankajagrawal16 · 2020-09-13T16:58:22Z

For some reason which I am not able to figure out yet, java doc plugin fails with error as below on java9 and 10.

[ERROR] /home/runner/work/aws-lambda-powertools-java/aws-lambda-powertools-java/powertools-metrics/src/main/java/software/amazon/lambda/powertools/metrics/PowertoolsMetricsLogger.java:12: warning - invalid usage of tag {@see PowertoolsMetrics}
[ERROR] javadoc: error - An exception occurred while building a component: PackageSerializedForm
[ERROR] 	(com.sun.tools.javac.code.Symbol$CompletionFailure: class file for com.fasterxml.jackson.databind.ser.impl.SimpleBeanPropertyFilter not found)
[ERROR] Please file a bug against the javadoc tool via the Java bug reporting page
[ERROR] (http://bugreport.java.com) after checking the Bug Database (http://bugs.java.com)
[ERROR] for duplicates. Include error messages and the following diagnostic in your report. Thank you.
[ERROR] com.sun.tools.javac.code.Symbol$CompletionFailure: class file for com.fasterxml.jackson.databind.ser.impl.SimpleBeanPropertyFilter not found
[ERROR] 
[ERROR] Command line was: /opt/hostedtoolcache/jdk/9.0.7/x64/bin/javadoc @options @packages
[ERROR] 
[ERROR] Refer to the generated Javadoc files in '/home/runner/work/aws-lambda-powertools-java/aws-lambda-powertools-java/powertools-metrics/target/apidocs' dir.
[ERROR] -> [Help 1]
[ERROR]

pankajagrawal16 · 2020-09-13T16:59:48Z

This commit enables validations as well like mentioned here https://awslabs.github.io/aws-lambda-powertools-python/core/metrics/#flushing-metrics. Which means its full feature parity now with python version.

KassHino · 2020-09-21T22:42:57Z

Quick question: How often does these get reviewed? And how long can these reviews take? I ask because I'm wondering if I should integrate with the EMF java library, or wait for this PR to get reviewed and merged?

pankajagrawal16 · 2020-09-22T04:54:59Z

Quick question: How often does these get reviewed? And how long can these reviews take? I ask because I'm wondering if I should integrate with the EMF java library, or wait for this PR to get reviewed and merged?

Hi Kassandra,

This should be released soon.

docs/content/core/metrics.mdx

msailes

Approved

pankajagrawal16 force-pushed the metrics branch 4 times, most recently from 4307dd9 to 3b7c97c Compare September 12, 2020 08:06

pankajagrawal16 changed the title ~~Metrics~~ feat: Metrics Sep 12, 2020

pankajagrawal16 force-pushed the metrics branch 2 times, most recently from 79e9306 to 1f46b59 Compare September 12, 2020 08:37

pankajagrawal16 changed the title ~~feat: Metrics~~ feat: Metrics utility Sep 12, 2020

msailes reviewed Sep 12, 2020

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...oftware/amazon/lambda/powertools/metrics/handlers/PowertoolsMetricsEnabledStreamHandler.java Show resolved Hide resolved

msailes reviewed Sep 12, 2020

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pankajagrawal16 force-pushed the metrics branch 11 times, most recently from c3120b5 to e0db6bc Compare September 13, 2020 16:52

msailes and others added 3 commits September 16, 2020 10:32

initial commit

6ad846f

Fix parent module version for metrics

3d8dc67

Initial wip version of metrics

21f9cad

Pankaj Agrawal and others added 14 commits September 16, 2020 10:33

Fix parent pom version for module

e87ca55

Move extract context method for reuse

5242459

Cold start EMF capture feature parity

97be6e4

Single metrics capture utility

fc34661

Example usage in the demo app

b0ab5eb

Test cases for metric util

5db1bdc

docs: adding javadocs for the metrics core utility.

61c479b

Use GA version of emf lib

b1b516f

Real example of namespace in sample app

48b088c

feat: Raise error on empty metrics and validations

5f25a5e

Donot build on java 9 and 10

23ba633

docs: added default value.

38dee7f

Single dimension for Cold start

97ec6be

Default dimension follow Camel Cases

79ac8d2

pankajagrawal16 force-pushed the metrics branch from 3c56e17 to 79ac8d2 Compare September 16, 2020 08:34

Pankaj Agrawal added 2 commits September 16, 2020 10:38

Max dimension validation in sync with python

88708cd

Note on simplification

0ef27cf

docs: adding the metrics doc page.

cab3043

pankajagrawal16 commented Sep 22, 2020

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pankajagrawal16 commented Sep 22, 2020

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docs: adding the metrics doc page.

3e3dceb

msailes approved these changes Sep 22, 2020

View reviewed changes

msailes merged commit a22bf2d into master Sep 22, 2020

msailes deleted the metrics branch September 22, 2020 09:02

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Description of changes:

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