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Captures Custom Namespace statistics from Amazon CloudWatch and displays them in the AppDynamics Metric Browser.
Please do not use it for monitoring AWS services whose specific extension exists on community exchange. We have morre than 25 extensions to monitor different AWS services and specific extension provides more configurability and better monitoring.
Please give the following permissions to the account being used to with the extension.
cloudwatch:ListMetrics
cloudwatch:GetMetricStatistics
ec2:describeinstances
mvn clean install
from aws-customnamespace-monitoring-extensionextensions
directory of your Machine Agent installation directory.In order to use the extension, you need to update the config.yml file that is present in the extension folder. The following is an explanation of the configurable fields that are present in the config.yml file.
If SIM is enabled, then use the following metricPrefix metricPrefix: "Custom Metrics|AWS DynamoDB"
else configure the COMPONENT_ID
under which the metrics need to be reported. This can be done by changing the value of <COMPONENT_ID> in metricPrefix: "Server|Component:<COMPONENT_ID>|Custom Metrics|AWS DynamoDB|"
.
For example,
metricPrefix: "Server|Component:100|Custom Metrics|Amazon Custom Namespace|"
Provide accessKey(required) and secretKey(required) of AWS account(s), also provide displayAccountName(any name that represents your account) and regions(required). If you are running this extension inside an EC2 instance which has IAM profile configured then awsAccessKey and awsSecretKey can be kept empty, extension will use IAM profile to authenticate.
accounts:
- awsAccessKey: "XXXXXXXX1"
awsSecretKey: "XXXXXXXXXX1"
displayAccountName: "TestAccount_1"
regions: ["us-east-1","us-west-1","us-west-2"]
- awsAccessKey: "XXXXXXXX2"
awsSecretKey: "XXXXXXXXXX2"
displayAccountName: "TestAccount_2"
regions: ["eu-central-1","eu-west-1"]
Please specify the AWS Namespace that you would like to monitor. Please note that only 1 AWS Namespace can be monitored using this extension. Inorder to monitor multiple Namespaces, please have multiple copies of this extension. However, multiple accounts can be configured under the accounts
to monitor the namespace. Example is namespace: "AWS/DynamoDB"
If you want to encrypt the "awsAccessKey" and "awsSecretKey" then follow the "Credentials Encryption" section and provide the encrypted values in "awsAccessKey" and "awsSecretKey". Configure "enableDecryption" of "credentialsDecryptionConfig" to true and provide the encryption key in "encryptionKey" For example,
#Encryption key for Encrypted password.
credentialsDecryptionConfig:
enableDecryption: "true"
encryptionKey: "XXXXXXXX"
Configure proxy details if there is a proxy between MachineAgent and AWS.
proxyConfig:
host:
port:
username:
password:
To report metrics from specific dimension values, configure the dimesions
section. The dimensions varies with AWS Namespace. Please refer to AWS doc for details on dimensions. Example below:
dimensions:
- name: "TableName"
displayName: "Table Name"
values: ["ABC", "DEF"]
- name: "AvailabilityZone"
displayName: "Availability Zone"
values: []
name is the dimension name and values are comma separated values of the dimension. displayName is the name with which it appears on the AppDynamics Metric Browser. If these fields are left empty, none of your instances will be monitored. In order to monitor everything under a dimension, you can simply use ".*" to pull everything from your AWS Environment.
Configure the metrics section.
For configuring the metrics, the following properties can be used:
| Property | Default value | Possible values | Description |
| :---------------- | :-------------- | :------------------------------ | :------------------------------------------------------------------------------------------------------------- |
| alias | metric name | Any string | The substitute name to be used in the metric browser instead of metric name. |
| statType | "ave" | "AVERAGE", "SUM", "MIN", "MAX" | AWS configured values as returned by API |
| aggregationType | "AVERAGE" | "AVERAGE", "SUM", "OBSERVATION" | [Aggregation qualifier](https://docs.appdynamics.com/display/PRO44/Build+a+Monitoring+Extension+Using+Java) |
| timeRollUpType | "AVERAGE" | "AVERAGE", "SUM", "CURRENT" | [Time roll-up qualifier](https://docs.appdynamics.com/display/PRO44/Build+a+Monitoring+Extension+Using+Java) |
| clusterRollUpType | "INDIVIDUAL" | "INDIVIDUAL", "COLLECTIVE" | [Cluster roll-up qualifier](https://docs.appdynamics.com/display/PRO44/Build+a+Monitoring+Extension+Using+Java)|
| multiplier | 1 | Any number | Value with which the metric needs to be multiplied. |
| convert | null | Any key value map | Set of key value pairs that indicates the value to which the metrics need to be transformed. eg: UP:0, DOWN:1 |
| delta | false | true, false | If enabled, gives the delta values of metrics instead of actual values. |
For example,
```
- name: "ConsumedReadCapacityUnits"
alias: "Consumed Read Capacity Units"
statType: "ave"
delta: false
multiplier: 1
aggregationType: "AVERAGE"
timeRollUpType: "AVERAGE"
clusterRollUpType: "INDIVIDUAL"
```
**All these metric properties are optional, and the default value shown in the table is applied to the metric(if a property has not been specified) by default.**
For several services AWS CloudWatch does not instantly update the metrics but it goes back in time to update that information. This delay sometimes can take upto 5 minutes. The extension runs every minute(Detailed) or every 5 minutes (Basic) and gets the latest value at that time. There may be a case where the extension may miss the value before CloudWatch updates it. In order to make sure we don't do that, the extension has the ability to look for metrics during a certain interval, where we already have set it to default at 5 minutes but you can change it as per your requirements. metricsTimeRange: startTimeInMinsBeforeNow: 10 endTimeInMinsBeforeNow: 5
This field is set as per the defaults suggested by AWS. You can change this if your limit is different. getMetricStatisticsRateLimit: 400
The maximum number of retry attempts for failed requests that can be retried. maxErrorRetrySize: 3
CloudWatch can be used in two formats, Basic and Detailed. You can specify how you would like to run the extension by specifying the chosen format here. By default, the extension is set to Basic, which makes the extension run every 5 minutes. Refer https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-cloudwatch-new.html for more information.
```
#Allowed values are Basic and Detailed.
# Basic will fire CloudWatch API calls every 5 minutes
# Detailed will fire CloudWatch API calls every 1 minutes
cloudWatchMonitoring: "Basic"
```
Please avoid using tab (\t) when editing yaml files. Please copy all the contents of the config.yml file and go to Yaml Validator . On reaching the website, paste the contents and press the “Go” button on the bottom left.
If you get a valid output, that means your formatting is correct and you may move on to the next step.
Typical metric path: Application Infrastructure Performance|<Tier>|Custom Metrics|Amazon Custom Namespace|<NameSpace>|<Account Name>|Region|Dimension Name|Dimension Value| followed by the AWS Namespace configured metrics
Please visit this page to get detailed instructions on encryption. The steps in this document will guide you through the whole process.
Workbench is an inbuilt feature provided with each extension in order to assist you to fine tune the extension setup before you actually deploy it on the controller. Please review the following document on How to use the Extensions WorkBench
Please look at the troubleshooting document and make sure that everything is followed correctly.
If after going through the Troubleshooting Document you have not been able to get your extension working, please file a ticket and add the following information.
Please provide the following in order for us to assist you better.
Always feel free to fork and contribute any changes directly via GitHub.
Find out more in the AppSphere community.
Name | Version |
---|---|
Extension Version | 2.0.0 |
Agent Compatibility | 4.5.13 or Later |
Controller Compatibility | 3.7 or Later |
Last Update | 12 May, 2020 |
List of changes to this extension can be found here