coder/coderd/healthcheck/accessurl.go

93 lines
2.5 KiB
Go

package healthcheck
import (
"context"
"io"
"net/http"
"net/url"
"time"
"github.com/coder/coder/v2/coderd/healthcheck/health"
"github.com/coder/coder/v2/coderd/util/ptr"
)
// @typescript-generate AccessURLReport
type AccessURLReport struct {
// Healthy is deprecated and left for backward compatibility purposes, use `Severity` instead.
Healthy bool `json:"healthy"`
Severity health.Severity `json:"severity" enums:"ok,warning,error"`
Warnings []string `json:"warnings"`
Dismissed bool `json:"dismissed"`
AccessURL string `json:"access_url"`
Reachable bool `json:"reachable"`
StatusCode int `json:"status_code"`
HealthzResponse string `json:"healthz_response"`
Error *string `json:"error"`
}
type AccessURLReportOptions struct {
AccessURL *url.URL
Client *http.Client
Dismissed bool
}
func (r *AccessURLReport) Run(ctx context.Context, opts *AccessURLReportOptions) {
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
r.Severity = health.SeverityOK
r.Warnings = []string{}
r.Dismissed = opts.Dismissed
if opts.AccessURL == nil {
r.Error = ptr.Ref(health.Messagef(health.CodeAccessURLNotSet, "Access URL not set"))
r.Severity = health.SeverityError
return
}
r.AccessURL = opts.AccessURL.String()
if opts.Client == nil {
opts.Client = http.DefaultClient
}
accessURL, err := opts.AccessURL.Parse("/healthz")
if err != nil {
r.Error = ptr.Ref(health.Messagef(health.CodeAccessURLInvalid, "parse healthz endpoint: %s", err))
r.Severity = health.SeverityError
return
}
req, err := http.NewRequestWithContext(ctx, "GET", accessURL.String(), nil)
if err != nil {
r.Error = ptr.Ref(health.Messagef(health.CodeAccessURLFetch, "create healthz request: %s", err))
r.Severity = health.SeverityError
return
}
res, err := opts.Client.Do(req)
if err != nil {
r.Error = ptr.Ref(health.Messagef(health.CodeAccessURLFetch, "get healthz endpoint: %s", err))
r.Severity = health.SeverityError
return
}
defer res.Body.Close()
body, err := io.ReadAll(res.Body)
if err != nil {
r.Error = ptr.Ref(health.Messagef(health.CodeAccessURLFetch, "read healthz response: %s", err))
r.Severity = health.SeverityError
return
}
r.Reachable = true
r.Healthy = res.StatusCode == http.StatusOK
r.StatusCode = res.StatusCode
if res.StatusCode != http.StatusOK {
r.Severity = health.SeverityWarning
r.Warnings = append(r.Warnings, health.Messagef(health.CodeAccessURLNotOK, "/healthz did not return 200 OK"))
}
r.HealthzResponse = string(body)
}