mirror of https://github.com/istio/istio.io.git
18 lines
567 B
Markdown
18 lines
567 B
Markdown
---
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title: Attribute
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---
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Attributes control the runtime behavior of services running in the mesh.
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Attributes are named and typed pieces of metadata describing ingress and egress traffic and the
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environment this traffic occurs in. An Istio attribute carries a specific piece
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of information such as the error code of an API request, the latency of an API request, or the
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original IP address of a TCP connection. For example:
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```yaml
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request.path: xyz/abc
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request.size: 234
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request.time: 12:34:56.789 04/17/2017
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source.ip: 192.168.0.1
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destination.service: example
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```
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