Files
opencloud/idp/pkg/server/debug/server.go
2022-04-11 16:09:09 +02:00

71 lines
2.2 KiB
Go

package debug
import (
"io"
"net/http"
"net/url"
"github.com/owncloud/ocis/idp/pkg/config"
"github.com/owncloud/ocis/ocis-pkg/log"
"github.com/owncloud/ocis/ocis-pkg/service/debug"
"github.com/owncloud/ocis/ocis-pkg/shared"
"github.com/owncloud/ocis/ocis-pkg/version"
)
// Server initializes the debug service and server.
func Server(opts ...Option) (*http.Server, error) {
options := newOptions(opts...)
return debug.NewService(
debug.Logger(options.Logger),
debug.Name(options.Config.Service.Name),
debug.Version(version.String),
debug.Address(options.Config.Debug.Addr),
debug.Token(options.Config.Debug.Token),
debug.Pprof(options.Config.Debug.Pprof),
debug.Zpages(options.Config.Debug.Zpages),
debug.Health(health(options.Config, options.Logger)),
debug.Ready(ready(options.Config)),
), nil
}
// health implements the health check.
func health(cfg *config.Config, l log.Logger) func(http.ResponseWriter, *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
targetHost, err := url.Parse(cfg.Ldap.URI)
if err != nil {
l.Fatal().Err(err).Str("uri", cfg.Ldap.URI).Msg("invalid LDAP URI")
}
err = shared.RunChecklist(shared.TCPConnect(targetHost.Host))
retVal := http.StatusOK
if err != nil {
l.Error().Err(err).Msg("Healtcheck failed")
retVal = http.StatusInternalServerError
}
w.Header().Set("Content-Type", "text/plain")
w.WriteHeader(retVal)
_, err = io.WriteString(w, http.StatusText(retVal))
if err != nil {
l.Fatal().Err(err).Msg("Could not write health check body")
}
}
}
// ready implements the ready check.
func ready(cfg *config.Config) func(http.ResponseWriter, *http.Request) {
return func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/plain")
w.WriteHeader(http.StatusOK)
// if we can call this function, a http(200) is a valid response as
// there is nothing we can check at this point for IDP
// if there is a mishap when initializing, there is a minimal (talking ms or ns window)
// timeframe where this code is callable
_, err := io.WriteString(w, http.StatusText(http.StatusOK))
// io.WriteString should not fail but if it does we want to know.
if err != nil {
panic(err)
}
}
}