Client + Discovery: Fetch dscovery at startup using DiscoveryStartup

With a manager that locks and copies such that no race conditions happen

3 files changed, 30 insertions, 5 deletions

diff --git a/internal/api/api_test.go b/internal/api/api_test.go
index 397dd3c..fcf02e9 100644
--- a/internal/api/api_test.go
+++ b/internal/api/api_test.go
@@ -196,7 +196,7 @@ func createTestAPI(t *testing.T, tok *eduoauth.Token, gt []string, hps []test.Ha
 		Type:       server.TypeCustom,
 		BaseWK:     serv.URL,
 		BaseAuthWK: serv.URL,
-		ProcessAuth: func(ctx context.Context, in string) (string, error) {
+		ProcessAuth: func(_ context.Context, in string) (string, error) {
 			return in, nil
 		},
 		DisableAuthorize: false,
diff --git a/internal/discovery/discovery.go b/internal/discovery/discovery.go
index 30ca801..231c12a 100644
--- a/internal/discovery/discovery.go
+++ b/internal/discovery/discovery.go
@@ -405,3 +405,24 @@ func (discovery *Discovery) Servers(ctx context.Context) (*Servers, bool, error)
 	}
 	return &discovery.ServerList, true, nil
 }
+
+func (discovery *Discovery) UpdateServers(other Discovery) {
+	if other.ServerList.Version >= discovery.ServerList.Version {
+		discovery.ServerList = other.ServerList
+	}
+}
+
+func (discovery *Discovery) Copy() (Discovery, error) {
+	var dest Discovery
+	b, err := json.Marshal(discovery)
+	if err != nil {
+		return dest, err
+	}
+
+	err = json.Unmarshal(b, &dest)
+	if err != nil {
+		return dest, err
+	}
+
+	return dest, nil
+}
diff --git a/internal/server/secureinternet.go b/internal/server/secureinternet.go
index f167756..990ceb3 100644
--- a/internal/server/secureinternet.go
+++ b/internal/server/secureinternet.go
@@ -34,8 +34,10 @@ func (s *Servers) AddSecure(ctx context.Context, disco *discovery.Discovery, org
 		BaseWK:     dsrv.BaseURL,
 		BaseAuthWK: dsrv.BaseURL,
 		ProcessAuth: func(ctx context.Context, url string) (string, error) {
-			disco.Servers(ctx)
-			disco.Organizations(ctx)
+			// the only thing we can do is log warn
+			// this is already done in the functions
+			disco.Servers(ctx) //nolint:errcheck
+			disco.Organizations(ctx) //nolint:errcheck
 			updorg, updsrv, err := disco.SecureHomeArgs(orgID)
 			if err != nil {
 				return "", err
@@ -104,10 +106,12 @@ func (s *Servers) GetSecure(ctx context.Context, orgID string, disco *discovery.
 		BaseWK:     dloc.BaseURL,
 		BaseAuthWK: dhome.BaseURL,
 		ProcessAuth: func(ctx context.Context, url string) (string, error) {
+			// the only thing we can do is log warn
+			// this is already done in the functions
 			disco.MarkServersExpired()
-			disco.Servers(ctx)
+			disco.Servers(ctx) //nolint:errcheck
 			disco.MarkOrganizationsExpired()
-			disco.Organizations(ctx)
+			disco.Organizations(ctx) //nolint:errcheck
 			updorg, updsrv, err := disco.SecureHomeArgs(orgID)
 			if err != nil {
 				return "", err