Cloudwatch metrics and logs examples.

33_awscli/CLOUDWATCH_LOGS.md

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+# LOGS
+
+Cloudwatch Logs.  
+
+## Groups
+
+```sh
+# list groups
+aws --no-cli-pager logs describe-log-groups --query 'logGroups[*]' | jq .
+
+# list names
+aws logs describe-log-groups --query 'logGroups[*].logGroupName' | jq .
+
+# show sizes, dates and names
+aws logs describe-log-groups --query 'logGroups[?storedBytes==`0`]' | jq -c '.[] | [.storedBytes, (.creationTime | (./1000 | strftime("%Y-%m-%d %H:%M:%S"))), .logGroupName]'
+```
+
+## Resouces

33_awscli/CLOUDWATCH_METRICS.md

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+# Cloudwatch Metrics
+
+Demonstrate some example commands for managing Cloudwatch Metrics.  
+
+NOTE:
+
+* list-metrics seems to take a long time
+```sql
+SELECT SUM(NumberOfMessagesSent) FROM SCHEMA("AWS/SQS", QueueName)  GROUP BY QueueName ORDER BY SUM() DESC LIMIT 10
+
+# s3
+SELECT AVG(TotalRequestLatency) FROM SCHEMA("AWS/S3", BucketName, FilterId) WHERE FilterId = 'EntireBucket' GROUP BY BucketName ORDER BY AVG() DESC
+```
+
+## Namespaces
+
+Metrics have namespaces  
+
+```txt
+"AWS/ApiGateway"
+"AWS/ApplicationELB"
+"AWS/AutoScaling"
+"AWS/Backup"
+"AWS/Billing"
+"AWS/CertificateManager"
+"AWS/CloudFront"
+"AWS/DynamoDB"
+"AWS/EBS"
+"AWS/EC2"
+"AWS/ECR"
+"AWS/ECS"
+"AWS/ECS/ManagedScaling"
+"AWS/EFS"
+"AWS/ELB"
+"AWS/ES"
+"AWS/ElastiCache"
+"AWS/Events"
+"AWS/Firehose"
+"AWS/Inspector"
+"AWS/Lambda"
+"AWS/Logs"
+"AWS/NATGateway"
+"AWS/NetworkELB"
+"AWS/PrivateLinkEndpoints"
+"AWS/Route53"
+"AWS/S3"
+"AWS/SNS"
+"AWS/SQS"
+"AWS/Schemas"
+"AWS/SecretsManager"
+"AWS/States"
+"AWS/TransitGateway"
+"AWS/Translate"
+"AWS/Usage"
+"AWS/WAFV2"
+"AWS/X-Ray"
+"ContainerInsights"
+"ECS/ContainerInsights"
+```
+
+## Metrics
+
+```sh
+export AWS_PAGER=
+
+aws cloudwatch list-metric-streams --max-results 10
+aws cloudwatch list-metrics --max-items 10
+
+# aggregate the metrics namespaces
+aws --profile ${AWS_PROFILE} --region ${AWS_REGION} cloudwatch list-metrics | jq '.Metrics[].Namespace' | sort | uniq
+
+
+# list metrics names
+aws --profile ${AWS_PROFILE} --region ${AWS_REGION} cloudwatch list-metrics --namespace "AWS/EC2"
+
+aws --profile ${AWS_PROFILE} --region ${AWS_REGION} cloudwatch list-metrics --namespace "AWS/S3"
+
+aws --profile ${AWS_PROFILE} --region ${AWS_REGION} cloudwatch list-metrics --namespace "AWS/Lambda"
+```
+
+## S3
+
+```sh
+aws --profile ${AWS_PROFILE} --region ${AWS_REGION} cloudwatch list-metrics --namespace "AWS/S3" --dimensions Name=BucketName,Value=${BUCKET_NAME}
+
+## This is not working
+aws --profile ${AWS_PROFILE} --region ${AWS_REGION} cloudwatch get-metric-statistics --namespace "AWS/S3" --metric-name "NumberOfObjects" --dimensions Name=BucketName,Value=${BUCKET_NAME} Name=StorageType,Value=AllStorageTypes --start-time $(gdate -u -d "1 day ago" +"%Y-%m-%dT%H:%M:%SZ") --end-time $(gdate -u +"%Y-%m-%dT%H:%M:%SZ")  --period 86400 --statistics "Maximum"
+```
+
+## Resources
+
+* cloudwatch cli [here](https://docs.aws.amazon.com/cli/latest/reference/cloudwatch/index.html)