DX OpenExplore Regex Resource
Article ID: 283117
Updated On:
Products
Issue/Introduction
Regex which is short for "Regular Expression" is a sequence of defined characters that forms a search pattern.
Customers use Regex to manage their DX OpenExplore(OE) environment for various tasks such as.
- Configuring Kubernetes Operator deployment YAMLs,
- Creating allow lists for metrics being ingested through integrations such as AWS environment
- Managing Proxy Preprocessor configuration rules.
Resolution
Regex can be used in many different flavors such as .NET and Java. It also has many different use cases as well, such as, searching, replacing of words, letters or symbols and how to interact.
Regex applications in DX OpenExplore include:
- Proxy Preprocessor Rules
- Container deployment YAML files.
- Integration metric Block/Allow configuration
- Query Functions:
- taggify
- aliasSource
- aliasMetric
In the below examples both use Regex formatting when identifying Point Tags in their Allow lists.
Example A, uses a fairly simple tag.
Example B, uses more complexity definition for their metric allow list.
^aws.(ec2.cpuutilization|ec2.networkin|ec2.networkout|ebs.volumereadops|ebs.volumewriteops|elb|autoscaling.groupinserviceinstances|autoscaling
.grouppendinginstances|autoscaling.groupmaxsize|networkelb.newflowcount|networkelb.activeflowcount|networkelb.processedbytes|networkelb.c
onsumedlcus|networkelb.tcp_elb_reset_count|networkelb.tcp_target_reset_count|networkelb.tcp_client_reset_count|transfer|rds.readiops|rds.
readlatency|rds.readthroughput|rds.snapshotstorageused|rds.swapusage|rds.totalbackupstoragebilled|rds.transactionlogsdiskusage|rds.volume
bytesused|rds.volumereadiops|rds.volumewriteiops|rds.writeiops|rds.writelatency|rds.writethroughput|usage).*$
Additional Information
Here are various websites to walk you through step-by-step learning how to use Regex. They also have cheat sheets to help guide you through learning the language.
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