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Add logging transport to log HTTP requests in log level -3

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The log level -3 is the minimum log level that is supported today, smaller than debug(-1) and -2(used to log some HRA related logs).

This commit adds a logging HTTP transport to log HTTP requests and responses to that log level.

It implements http.RoundTripper so that it can log each HTTP request with useful metadata like `from_cache` and `ratelimit_remaining`.
The former is set to `true` only when the logged request's response was served from ARC's in-memory cache.
The latter is set to X-RateLimit-Remaining response header value if and only if the response was served by GitHub, not by ARC's cache.
This commit is contained in:
Yusuke Kuoka
2022-02-19 09:21:14 +00:00
parent 4c53e3aa75
commit 4b557dc54c
6 changed files with 123 additions and 50 deletions
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28
main.go
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@@ -26,24 +26,18 @@ import (
actionsv1alpha1 "github.com/actions-runner-controller/actions-runner-controller/api/v1alpha1"
"github.com/actions-runner-controller/actions-runner-controller/controllers"
"github.com/actions-runner-controller/actions-runner-controller/github"
"github.com/actions-runner-controller/actions-runner-controller/logging"
"github.com/kelseyhightower/envconfig"
zaplib "go.uber.org/zap"
"k8s.io/apimachinery/pkg/runtime"
clientgoscheme "k8s.io/client-go/kubernetes/scheme"
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
ctrl "sigs.k8s.io/controller-runtime"
"sigs.k8s.io/controller-runtime/pkg/log/zap"
// +kubebuilder:scaffold:imports
)
const (
defaultRunnerImage = "summerwind/actions-runner:latest"
defaultDockerImage = "docker:dind"
logLevelDebug = "debug"
logLevelInfo = "info"
logLevelWarn = "warn"
logLevelError = "error"
)
var (
@@ -120,24 +114,12 @@ func main() {
flag.DurationVar(&syncPeriod, "sync-period", 10*time.Minute, "Determines the minimum frequency at which K8s resources managed by this controller are reconciled. When you use autoscaling, set to a lower value like 10 minute, because this corresponds to the minimum time to react on demand change. . If you're tweaking this in order to make autoscaling more responsive, you'll probably want to tweak github-api-cache-duration, too")
flag.Var(&commonRunnerLabels, "common-runner-labels", "Runner labels in the K1=V1,K2=V2,... format that are inherited all the runners created by the controller. See https://github.com/actions-runner-controller/actions-runner-controller/issues/321 for more information")
flag.StringVar(&namespace, "watch-namespace", "", "The namespace to watch for custom resources. Set to empty for letting it watch for all namespaces.")
flag.StringVar(&logLevel, "log-level", logLevelDebug, `The verbosity of the logging. Valid values are "debug", "info", "warn", "error". Defaults to "debug".`)
flag.StringVar(&logLevel, "log-level", logging.LogLevelDebug, `The verbosity of the logging. Valid values are "debug", "info", "warn", "error". Defaults to "debug".`)
flag.Parse()
logger := zap.New(func(o *zap.Options) {
switch logLevel {
case logLevelDebug:
o.Development = true
case logLevelInfo:
lvl := zaplib.NewAtomicLevelAt(zaplib.InfoLevel)
o.Level = &lvl
case logLevelWarn:
lvl := zaplib.NewAtomicLevelAt(zaplib.WarnLevel)
o.Level = &lvl
case logLevelError:
lvl := zaplib.NewAtomicLevelAt(zaplib.ErrorLevel)
o.Level = &lvl
}
})
logger := logging.NewLogger(logLevel)
c.Log = &logger
ghClient, err = c.NewClient()
if err != nil {