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package internal
import (
"context"
"fmt"
"io"
"log"
"net/http"
"time"
)
// Query all federated endpoints and merge states
func mergeFederated(ctx context.Context, state state, conf config) state {
critical := func(cs checkResult, err error) {
cs.output = err.Error()
cs.status = nagiosCritical
state.update(cs)
}
for _, endpoint := range conf.Federated {
log.Println("Querying federated endpoint", endpoint)
cs := checkResult{
name: fmt.Sprintf("Federated endpoint %s", endpoint),
epoch: time.Now().Unix(),
federatedFrom: func() string {
// Extract the hostname from the endpoint
u, err := http.NewRequest("GET", endpoint, nil)
if err != nil {
return endpoint
}
return u.URL.Hostname()
}(),
}
req, err := http.NewRequestWithContext(ctx, http.MethodGet, endpoint, nil)
if err != nil {
critical(cs, err)
continue
}
resp, err := http.DefaultClient.Do(req)
if err != nil {
critical(cs, err)
continue
}
bytes, err := io.ReadAll(resp.Body)
resp.Body.Close()
if err != nil {
critical(cs, err)
continue
}
if err := state.mergeFromBytes(bytes); err != nil {
critical(cs, err)
continue
}
cs.output = fmt.Sprintf("OK: Federated endpoint returned %d bytes", len(bytes))
cs.status = nagiosOk
state.update(cs)
}
log.Println(state)
return state
}
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