fix: move NATS message definitions into separate package

internal/bus/ssh.go

@@ -0,0 +1,29 @@
+// Package bus contains the definitions of the messages passed across NATS.
+package bus
+
+import "log/slog"
+
+const (
+	// SubjectSSHAccessQuery defines the NATS subject for SSH access queries.
+	SubjectSSHAccessQuery = "lagoon.sshportal.api"
+)
+
+// SSHAccessQuery defines the structure of an SSH access query.
+type SSHAccessQuery struct {
+	SSHFingerprint string
+	NamespaceName  string
+	ProjectID      int
+	EnvironmentID  int
+	SessionID      string
+}
+
+// LogValue implements the slog.LogValuer interface.
+func (q SSHAccessQuery) LogValue() slog.Value {
+	return slog.GroupValue(
+		slog.String("sshFingerprint", q.SSHFingerprint),
+		slog.String("namespaceName", q.NamespaceName),
+		slog.Int("projectID", q.ProjectID),
+		slog.Int("environmentID", q.EnvironmentID),
+		slog.String("sessionID", q.SessionID),
+	)
+}

internal/sshportalapi/server.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/google/uuid"
 	"github.com/nats-io/nats.go"
+	"github.com/uselagoon/ssh-portal/internal/bus"
 	"github.com/uselagoon/ssh-portal/internal/lagoon"
 	"github.com/uselagoon/ssh-portal/internal/lagoondb"
 	"github.com/uselagoon/ssh-portal/internal/rbac"
@@ -36,8 +37,15 @@ type KeycloakService interface {
 }
 
 // ServeNATS sshportalapi NATS requests.
-func ServeNATS(ctx context.Context, stop context.CancelFunc, log *slog.Logger,
-	p *rbac.Permission, l LagoonDBService, k KeycloakService, natsURL string) error {
+func ServeNATS(
+	ctx context.Context,
+	stop context.CancelFunc,
+	log *slog.Logger,
+	p *rbac.Permission,
+	l LagoonDBService,
+	k KeycloakService,
+	natsURL string,
+) error {
 	// setup synchronisation
 	wg := sync.WaitGroup{}
 	wg.Add(1)
@@ -65,7 +73,7 @@ func ServeNATS(ctx context.Context, stop context.CancelFunc, log *slog.Logger,
 	}
 	defer nc.Close()
 	// set up request/response callback for sshportal
-	_, err = nc.QueueSubscribe(SubjectSSHAccessQuery, queue,
+	_, err = nc.QueueSubscribe(bus.SubjectSSHAccessQuery, queue,
 		sshportal(ctx, log, nc, p, l, k))
 	if err != nil {
 		return fmt.Errorf("couldn't subscribe to queue: %v", err)

internal/sshportalapi/sshportal.go

@@ -9,37 +9,13 @@ import (
 	"github.com/nats-io/nats.go"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
+	"github.com/uselagoon/ssh-portal/internal/bus"
 	"github.com/uselagoon/ssh-portal/internal/lagoon"
 	"github.com/uselagoon/ssh-portal/internal/lagoondb"
 	"github.com/uselagoon/ssh-portal/internal/rbac"
 	"go.opentelemetry.io/otel"
 )
 
-const (
-	// SubjectSSHAccessQuery defines the NATS subject for SSH access queries.
-	SubjectSSHAccessQuery = "lagoon.sshportal.api"
-)
-
-// SSHAccessQuery defines the structure of an SSH access query.
-type SSHAccessQuery struct {
-	SSHFingerprint string
-	NamespaceName  string
-	ProjectID      int
-	EnvironmentID  int
-	SessionID      string
-}
-
-// LogValue implements the slog.LogValuer interface.
-func (q SSHAccessQuery) LogValue() slog.Value {
-	return slog.GroupValue(
-		slog.String("sshFingerprint", q.SSHFingerprint),
-		slog.String("namespaceName", q.NamespaceName),
-		slog.Int("projectID", q.ProjectID),
-		slog.Int("environmentID", q.EnvironmentID),
-		slog.String("sessionID", q.SessionID),
-	)
-}
-
 var (
 	requestsCounter = promauto.NewCounter(prometheus.CounterOpts{
 		Name: "sshportalapi_requests_total",
@@ -55,10 +31,10 @@ func sshportal(
 	l LagoonDBService,
 	k KeycloakService,
 ) nats.Handler {
-	return func(_, replySubject string, query *SSHAccessQuery) {
+	return func(_, replySubject string, query *bus.SSHAccessQuery) {
 		var realmRoles, userGroups []string
 		// set up tracing and update metrics
-		ctx, span := otel.Tracer(pkgName).Start(ctx, SubjectSSHAccessQuery)
+		ctx, span := otel.Tracer(pkgName).Start(ctx, bus.SubjectSSHAccessQuery)
 		defer span.End()
 		requestsCounter.Inc()
 		log := log.With(slog.Any("query", query))

internal/sshserver/authhandler.go

@@ -8,8 +8,8 @@ import (
 	"github.com/nats-io/nats.go"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/prometheus/client_golang/prometheus/promauto"
+	"github.com/uselagoon/ssh-portal/internal/bus"
 	"github.com/uselagoon/ssh-portal/internal/k8s"
-	"github.com/uselagoon/ssh-portal/internal/sshportalapi"
 	gossh "golang.org/x/crypto/ssh"
 )
 
@@ -60,7 +60,7 @@ func pubKeyAuth(log *slog.Logger, nc *nats.EncodedConn,
 		}
 		// construct ssh access query
 		fingerprint := gossh.FingerprintSHA256(pubKey)
-		q := sshportalapi.SSHAccessQuery{
+		q := bus.SSHAccessQuery{
 			SSHFingerprint: fingerprint,
 			NamespaceName:  ctx.User(),
 			ProjectID:      pid,
@@ -69,7 +69,7 @@ func pubKeyAuth(log *slog.Logger, nc *nats.EncodedConn,
 		}
 		// send query
 		var ok bool
-		err = nc.Request(sshportalapi.SubjectSSHAccessQuery, q, &ok, natsTimeout)
+		err = nc.Request(bus.SubjectSSHAccessQuery, q, &ok, natsTimeout)
 		if err != nil {
 			log.Warn("couldn't make NATS request", slog.Any("error", err))
 			return false

internal/sshserver/serve.go

@@ -70,7 +70,7 @@ func Serve(
 			log.Warn("couldn't shutdown cleanly", slog.Any("error", err))
 		}
 	}()
-	if err := srv.Serve(l); !errors.Is(ssh.ErrServerClosed, err) {
+	if err := srv.Serve(l); !errors.Is(err, ssh.ErrServerClosed) {
 		return err
 	}
 	return nil

internal/sshtoken/serve.go

@@ -58,7 +58,7 @@ func Serve(
 			log.Warn("couldn't shutdown cleanly", slog.Any("error", err))
 		}
 	}()
-	if err := srv.Serve(l); !errors.Is(ssh.ErrServerClosed, err) {
+	if err := srv.Serve(l); !errors.Is(err, ssh.ErrServerClosed) {
 		return err
 	}
 	return nil