66 lines
1.4 KiB
Go
66 lines
1.4 KiB
Go
/*
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Copyright 2022 CAcert Inc.
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SPDX-License-Identifier: Apache-2.0
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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 health implements Health checks
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package health
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import (
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"fmt"
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)
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type Info struct {
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Healthy bool
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Source string
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MoreInfo map[string]string
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}
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type Aware interface {
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Healthy() (*Info, error)
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}
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type Handler struct {
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version string
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healthAware []Aware
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}
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type Result struct {
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Healthy bool
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Version string
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Info []*Info
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}
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func (h *Handler) CheckHealth() (*Result, error) {
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healthInfo := make([]*Info, len(h.healthAware))
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healthy := true
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for idx, aware := range h.healthAware {
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info, err := aware.Healthy()
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if err != nil {
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return nil, fmt.Errorf("health check failed: %w", err)
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}
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healthInfo[idx] = info
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healthy = healthy && info.Healthy
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}
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return &Result{Healthy: healthy, Version: h.version, Info: healthInfo}, nil
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}
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func New(version string, healthAware ...Aware) *Handler {
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return &Handler{version: version, healthAware: healthAware}
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}
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