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Add comment to explain how method works

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Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
This commit is contained in:
Alex Ellis (OpenFaaS Ltd) 2021-11-01 11:04:38 +00:00
parent 1d07fda0a4
commit bbd3b4ff07
1 changed files with 7 additions and 0 deletions
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7
pkg/provider/handlers/scale.go
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@ -156,6 +156,13 @@ func MakeReplicaUpdateHandler(client *containerd.Client, cni gocni.CNI, resolver
} }
} }
// waitUntilHealthy blocks until the healthPath returns a HTTP 200 for the
// IP address resolved for the given function.
// Maximum retries: 100
// Delay between each attempt: 20ms
// A custom path can be set via an annotation in the function's spec:
// com.openfaas.health.http.path: /handlers/ready
//
func waitUntilHealthy(name string, resolver proxy.BaseURLResolver, healthPath string) error { func waitUntilHealthy(name string, resolver proxy.BaseURLResolver, healthPath string) error {
endpoint, err := resolver.Resolve(name) endpoint, err := resolver.Resolve(name)
if err != nil { if err != nil {