56 lines
1.5 KiB
Go
56 lines
1.5 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package healthcheck
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import (
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"k8s.io/kubernetes/pkg/apis/extensions"
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"k8s.io/ingress/core/pkg/ingress/annotations/parser"
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"k8s.io/ingress/core/pkg/ingress/defaults"
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)
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const (
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upsMaxFails = "ingress.kubernetes.io/upstream-max-fails"
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upsFailTimeout = "ingress.kubernetes.io/upstream-fail-timeout"
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)
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// Upstream returns the URL and method to use check the status of
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// the upstream server/s
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type Upstream struct {
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MaxFails int
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FailTimeout int
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}
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// ParseAnnotations parses the annotations contained in the ingress
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// rule used to configure upstream check parameters
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func ParseAnnotations(cfg defaults.Backend, ing *extensions.Ingress) *Upstream {
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if ing.GetAnnotations() == nil {
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return &Upstream{cfg.UpstreamMaxFails, cfg.UpstreamFailTimeout}
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}
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mf, err := parser.GetIntAnnotation(upsMaxFails, ing)
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if err != nil {
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mf = cfg.UpstreamMaxFails
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}
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ft, err := parser.GetIntAnnotation(upsFailTimeout, ing)
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if err != nil {
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ft = cfg.UpstreamFailTimeout
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}
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return &Upstream{mf, ft}
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}
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