The default should be to generate a key from the prefix. Otherwise
if user sets the prefix and not the key it can pick up metrics from
another repository (which is what happens in the tests).
Extract common features from CounterBuffers and GuageBuffers into
a shared superclass. The new extracted types allows the service
implementations to be simplified.
Fixes gh-3257
Update `ApplicationPidFileWriter` to support a 'fail on write error'
properties which allows the user to exit the application if the PID
file cannot be written.
This commit also deprecates `spring.pidfile` in favor of
`spring.pid.file` so that the new property can be added without overlap.
Fixes gh-2764
Add the CloudFoundry vcap_services key, as well as a regular expression
to sanitize any key containing the word 'credentials'.
Fixes gh-3248
Closes gh-3266
Previously, the actual HTTP port on which a web application is running on
was only exposed in tests. This commit makes sure to provide that feature
regardless of the environment so that applications can know on which port
they are actually running on.
If there are several containers, each is exposed via the namespace of
their respective application context.
Closes gh-3259
The hitRatio is the ratio of two windowed rates that are calculated
independently. They are not updated or read transactionally, hence the
ratio of the two can drift slightly from what might be expected.
We now make sure that the hit or miss ratio can't be higher than 1
Closes gh-3235
for users to get started. It also makes it more flexible if different
aggregation keys are needed depending on the environment. The most
important new feature is the
spring.metrics.export.redis.aggregateKeyPattern configuration, which
fits the *.redis.key and prefix defaults. The aggregate reader uses
a prefix based on the key by default, with a naming convention that
the key starts with "keys.".
Update `ConfigurationPropertiesReportEndpoint` so that properties that
are set with a Boolean class but read with a boolean primitive still
appear in the report. The allows the Endpoint.isEnabled() property to
be displayed.
Fixes gh-2929
