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https://github.com/arangodb/kube-arangodb.git
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50 lines
1.3 KiB
Go
50 lines
1.3 KiB
Go
//
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// DISCLAIMER
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//
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// Copyright 2016-2022 ArangoDB GmbH, Cologne, Germany
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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package probe
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import (
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"net/http"
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"sync/atomic"
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)
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// ReadyProbe wraps a readiness probe handler.
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type ReadyProbe struct {
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ready int32
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}
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// SetReady marks the probe as ready.
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func (p *ReadyProbe) SetReady() {
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atomic.StoreInt32(&p.ready, 1)
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}
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// IsReady returns true when the given probe has been marked ready.
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func (p *ReadyProbe) IsReady() bool {
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return atomic.LoadInt32(&p.ready) != 0
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}
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// ReadyHandler writes back the HTTP status code 200 if the operator is ready, and 500 otherwise.
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func (p *ReadyProbe) ReadyHandler(w http.ResponseWriter, r *http.Request) {
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if p.IsReady() {
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w.WriteHeader(http.StatusOK)
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} else {
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w.WriteHeader(http.StatusInternalServerError)
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}
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}
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