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Export new metrics for OpenFaaS Pro scaling

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* Add service target metric
* Add service min replicas metric
* Add scale type metric

These combined allow new auto-scaling modes and parameters
for OpenFaaS Pro customers.

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
This commit is contained in:
Alex Ellis (OpenFaaS Ltd)
2022-01-24 12:11:54 +00:00
committed by Alex Ellis
parent 34735d61d0
commit d85d5e7239
23 changed files with 235 additions and 472 deletions
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9
gateway/main.go
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@ -25,6 +25,7 @@ import (
const NameExpression = "-a-zA-Z_0-9."
func main() {
if len(version.GitCommitMessage) == 0 {
version.GitCommitMessage = "See GitHub for latest changes"
}
@ -125,7 +126,7 @@ func main() {
faasHandlers.DeployFunction = handlers.MakeForwardingProxyHandler(reverseProxy, forwardingNotifiers, urlResolver, nilURLTransformer, serviceAuthInjector)
faasHandlers.DeleteFunction = handlers.MakeForwardingProxyHandler(reverseProxy, forwardingNotifiers, urlResolver, nilURLTransformer, serviceAuthInjector)
faasHandlers.UpdateFunction = handlers.MakeForwardingProxyHandler(reverseProxy, forwardingNotifiers, urlResolver, nilURLTransformer, serviceAuthInjector)
faasHandlers.QueryFunction = handlers.MakeForwardingProxyHandler(reverseProxy, forwardingNotifiers, urlResolver, nilURLTransformer, serviceAuthInjector)
faasHandlers.FunctionStatus = handlers.MakeForwardingProxyHandler(reverseProxy, forwardingNotifiers, urlResolver, nilURLTransformer, serviceAuthInjector)
faasHandlers.InfoHandler = handlers.MakeInfoHandler(handlers.MakeForwardingProxyHandler(reverseProxy, forwardingNotifiers, urlResolver, nilURLTransformer, serviceAuthInjector))
faasHandlers.SecretHandler = handlers.MakeForwardingProxyHandler(reverseProxy, forwardingNotifiers, urlResolver, nilURLTransformer, serviceAuthInjector)
@ -198,8 +199,8 @@ func main() {
decorateExternalAuth(faasHandlers.ListFunctions, config.UpstreamTimeout, config.AuthProxyURL, config.AuthProxyPassBody)
faasHandlers.ScaleFunction =
decorateExternalAuth(faasHandlers.ScaleFunction, config.UpstreamTimeout, config.AuthProxyURL, config.AuthProxyPassBody)
faasHandlers.QueryFunction =
decorateExternalAuth(faasHandlers.QueryFunction, config.UpstreamTimeout, config.AuthProxyURL, config.AuthProxyPassBody)
faasHandlers.FunctionStatus =
decorateExternalAuth(faasHandlers.FunctionStatus, config.UpstreamTimeout, config.AuthProxyURL, config.AuthProxyPassBody)
faasHandlers.InfoHandler =
decorateExternalAuth(faasHandlers.InfoHandler, config.UpstreamTimeout, config.AuthProxyURL, config.AuthProxyPassBody)
faasHandlers.AsyncReport =
@ -222,7 +223,7 @@ func main() {
r.HandleFunc("/system/info", faasHandlers.InfoHandler).Methods(http.MethodGet)
r.HandleFunc("/system/alert", faasHandlers.Alert).Methods(http.MethodPost)
r.HandleFunc("/system/function/{name:["+NameExpression+"]+}", faasHandlers.QueryFunction).Methods(http.MethodGet)
r.HandleFunc("/system/function/{name:["+NameExpression+"]+}", faasHandlers.FunctionStatus).Methods(http.MethodGet)
r.HandleFunc("/system/functions", faasHandlers.ListFunctions).Methods(http.MethodGet)
r.HandleFunc("/system/functions", faasHandlers.DeployFunction).Methods(http.MethodPost)
r.HandleFunc("/system/functions", faasHandlers.DeleteFunction).Methods(http.MethodDelete)