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https://codeberg.org/forgejo/forgejo.git
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83 lines
2.1 KiB
Go
83 lines
2.1 KiB
Go
// Copyright 2013 Beego Authors
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// Copyright 2014 The Macaron Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License"): you may
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// not use this file except in compliance with the License. You may obtain
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// 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, WITHOUT
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// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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// License for the specific language governing permissions and limitations
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// under the License.
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package toolbox
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import (
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"bytes"
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)
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// HealthChecker represents a health check instance.
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type HealthChecker interface {
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Desc() string
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Check() error
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}
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// HealthCheckFunc represents a callable function for health check.
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type HealthCheckFunc func() error
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// HealthCheckFunc represents a callable function for health check with description.
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type HealthCheckFuncDesc struct {
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Desc string
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Func HealthCheckFunc
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}
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type healthCheck struct {
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desc string
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HealthChecker
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check HealthCheckFunc // Not nil if add job as a function.
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}
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// AddHealthCheck adds new health check job.
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func (t *toolbox) AddHealthCheck(hc HealthChecker) {
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t.healthCheckJobs = append(t.healthCheckJobs, &healthCheck{
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HealthChecker: hc,
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})
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}
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// AddHealthCheckFunc adds a function as a new health check job.
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func (t *toolbox) AddHealthCheckFunc(desc string, fn HealthCheckFunc) {
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t.healthCheckJobs = append(t.healthCheckJobs, &healthCheck{
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desc: desc,
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check: fn,
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})
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}
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func (t *toolbox) handleHealthCheck() string {
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if len(t.healthCheckJobs) == 0 {
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return "no health check jobs"
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}
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var buf bytes.Buffer
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var err error
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for _, job := range t.healthCheckJobs {
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buf.WriteString("* ")
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if job.check != nil {
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buf.WriteString(job.desc)
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err = job.check()
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} else {
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buf.WriteString(job.Desc())
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err = job.Check()
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}
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buf.WriteString(": ")
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if err == nil {
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buf.WriteString("OK")
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} else {
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buf.WriteString(err.Error())
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}
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buf.WriteString("\n")
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}
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return buf.String()
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}
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