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Merge branch '2.2.x'

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Closes gh-21092
This commit is contained in:
Phillip Webb
2020-04-22 16:50:41 -07:00
parent 21bb249a73 d1649fbb9a
commit 48821bccb7
3 changed files with 156 additions and 1 deletions
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spring-boot-project/spring-boot-docs/src/docs/asciidoc/howto.adoc
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@@ -2216,7 +2216,8 @@ See also the section on "`<<spring-boot-features.adoc#boot-features-error-handli
[[howto-sanitize-sensible-values]]
=== Sanitize sensible values
[[howto-sanitize-sensitive-values]]
=== Sanitize Sensitive Values
Information returned by the `env` and `configprops` endpoints can be somewhat sensitive so keys matching a certain pattern are sanitized by default (i.e. their values are replaced by `+******+`).
The patterns to use can be customized using the `management.endpoint.env.keys-to-sanitize` and `management.endpoint.configprops.keys-to-sanitize` respectively.
@@ -2228,6 +2229,22 @@ If any of the keys to sanitize are URI format (i.e. `<scheme>://<username>:<pass
[[howto-map-health-indicators-to-metrics]]
=== Map Health Indicators to Micrometer Metrics
Spring Boot health indicators return a `Status` type to indicate the overall system health.
If you want to monitor or alert on levels of health for a particular application, you can export these statuses as metrics via Micrometer.
By default, the status codes "`up`", "`down`", "`out of service`" and "`unknown`" are used by Spring Boot.
To export these, you'll need to convert these states to some set of numbers so that they can be used with a Micrometer `Gauge`.
The follow example shows one way to write such an exporter:
[source,java,indent=0,subs="verbatim,quotes,attributes"]
----
include::{code-examples}/actuate/metrics/MetricsHealthMicrometerExportExample.java[tag=configuration]
----
[[howto-security]]
== Security
This section addresses questions about security when working with Spring Boot, including questions that arise from using Spring Security with Spring Boot.