Files

63 lines
2.3 KiB
Go

package controller
import (
"fmt"
"regexp"
"github.com/go-openapi/runtime/middleware"
"github.com/michaelquigley/df/dl"
"github.com/openziti/zrok/v2/build"
"github.com/openziti/zrok/v2/controller/config"
"github.com/openziti/zrok/v2/rest_model_zrok"
"github.com/openziti/zrok/v2/rest_server_zrok/operations/metadata"
)
func versionHandler(_ metadata.VersionParams) middleware.Responder {
outOfDate := "your local zrok installation is out of date and needs to be upgraded! " +
"please visit 'https://docs.zrok.io/docs/guides/install/' for the latest release!"
return metadata.NewVersionOK().WithPayload(rest_model_zrok.Version(outOfDate))
}
type clientVersionCheckHandler struct {
cfg *config.Config
}
func newClientVersionCheckHandler(cfg *config.Config) *clientVersionCheckHandler {
return &clientVersionCheckHandler{cfg: cfg}
}
func (h *clientVersionCheckHandler) Handle(params metadata.ClientVersionCheckParams) middleware.Responder {
if h.cfg.Compatibility != nil && h.cfg.Compatibility.LogRequests {
dl.Infof("client at '%v' sent version '%v'", params.HTTPRequest.RemoteAddr, params.Body.ClientVersion)
}
patterns := h.getCompiledPatterns()
for i, re := range patterns {
if re.MatchString(params.Body.ClientVersion) {
dl.Debugf("client version matched pattern %d", i)
return metadata.NewClientVersionCheckOK()
}
}
return metadata.NewClientVersionCheckBadRequest().WithPayload(fmt.Sprintf("client version '%v' does not match any accepted patterns; please visit 'https://docs.zrok.io/docs/guides/install/' for the latest release!", params.Body.ClientVersion))
}
func (h *clientVersionCheckHandler) getCompiledPatterns() []*regexp.Regexp {
if h.cfg.Compatibility != nil && len(h.cfg.Compatibility.GetCompiledPatterns()) > 0 {
return h.cfg.Compatibility.GetCompiledPatterns()
}
// fallback to built-in patterns (this should not happen in normal operation)
dl.Errorf("missing compatibility patterns; defaulting to last-resort patterns")
defaultPatterns := []*regexp.Regexp{
regexp.MustCompile(`^(refs/(heads|tags)/)?` + build.Series),
}
return defaultPatterns
}
func versionInventoryHandler(params metadata.VersionInventoryParams) middleware.Responder {
return metadata.NewVersionInventoryOK().WithPayload(&metadata.VersionInventoryOKBody{
ControllerVersion: build.String(),
})
}