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package internal
import (
"context"
"log"
"sync"
"time"
)
func runChecks(globalCtx context.Context, state state, config config) state {
limiterCh := make(chan struct{}, config.CheckConcurrency)
inputCh := make(chan namedCheck)
outputCh := make(chan checkResult)
deps := newDependency(config)
go func() {
for name, check := range config.Checks {
inputCh <- namedCheck{check, name}
}
close(inputCh)
}()
var outputWg sync.WaitGroup
outputWg.Add(1)
go func() {
for checkResult := range outputCh {
state.update(checkResult)
}
outputWg.Done()
}()
var inputWg sync.WaitGroup
inputWg.Add(len(config.Checks))
for check := range inputCh {
go func(check namedCheck) {
defer inputWg.Done()
if err := deps.wait(globalCtx, check.DependsOn); err != nil {
deps.notOk(check.name)
outputCh <- check.skip(err.Error())
return
}
limiterCh <- struct{}{}
defer func() { <-limiterCh }()
ctx, cancel := context.WithTimeout(globalCtx,
time.Duration(config.CheckTimeoutS)*time.Second)
defer cancel()
checkResult := check.run(ctx)
if checkResult.status == critical {
deps.notOk(check.name)
} else {
deps.ok(check.name)
}
outputCh <- checkResult
}(check)
}
inputWg.Wait()
log.Println("All checks completed!")
close(outputCh)
outputWg.Wait()
log.Println("All outputs collected!")
return state
}
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