This enables limiting concurrency. It is a naive approach which
will reject requests as soon as they exceed the maximum number
of in-flight requests.
It is a port of the following PR from the new watchdog code:
https://github.com/openfaas-incubator/of-watchdog/pull/54
Signed-off-by: Sargun Dhillon <sargun@sargun.me>
Signed-off-by: Lucas Roesler <roesler.lucas@gmail.com>
- this PR adds metrics via Prometheus for instrumentation and
to move towards using HPAv2 / custom metrics in Kubernetes.
Signed-off-by: Alex Ellis <alexellis2@gmail.com>
The default should be set to true so we maintain backwards.
compatibility.
readconfig.go was altered due to bug reading default value. This was
tested by adding unit tests to readconfig_test.go for positive and
negative scenarios.
Signed-off-by: Alex Ellis (VMware) <alexellis2@gmail.com>
This enables an often-requested feature to separate stderr
from stdout within function responses. New flag combine_output is on
by default to match existing behaviour. When combine_output is set
to false it redirects stderr to the container logs rather than
combining it into the function response.
Tested with unit tests for default behaviour and new behaviour.
Signed-off-by: Alex Ellis (VMware) <alexellis2@gmail.com>
HTTP port can now be overriden through use of "port" environmental
variable.
Prefer messaging "want" over "wanted" in error messages, this is more
idiomatic Golang.
Move away from Go ARMv6 (RPi Zero) and give ARMv7 as a minimum
version for release binaries.
Signed-off-by: Alex Ellis (VMware) <alexellis2@gmail.com>
- Watchdog - allow new methods with and without body.
- Enforce hard-timeout via exec_timeout variable.
- Correct bug in timeouts for read/write of HTTP.
- Documentation for new verbs and hard timeout.
Signed-off-by: Alex Ellis <alexellis2@gmail.com>
