feat(agent): add contactedAt attribute to agent

internal/auth/agent/authenticator.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"net/http"
 	"strings"
+	"time"
 
 	"forge.cadoles.com/Cadoles/emissary/internal/auth"
 	"forge.cadoles.com/Cadoles/emissary/internal/datastore"
@@ -76,6 +77,13 @@ func (a *Authenticator) Authenticate(ctx context.Context, r *http.Request) (auth
 		return nil, errors.WithStack(err)
 	}
 
+	contactedAt := time.Now()
+
+	agent, err = a.repo.Update(ctx, agent.ID, datastore.WithAgentUpdateContactedAt(contactedAt))
+	if err != nil {
+		return nil, errors.WithStack(err)
+	}
+
 	user := &User{
 		agent: agent,
 	}

internal/command/api/agent/util.go

@@ -10,7 +10,7 @@ func agentHints(outputMode format.OutputMode) format.Hints {
 			format.NewProp("Label", "Label"),
 			format.NewProp("Thumbprint", "Thumbprint"),
 			format.NewProp("Status", "Status"),
-			format.NewProp("CreatedAt", "CreatedAt"),
+			format.NewProp("ContactedAt", "ContactedAt"),
 			format.NewProp("UpdatedAt", "UpdatedAt"),
 		},
 	}

internal/datastore/agent.go

@@ -28,6 +28,7 @@ type Agent struct {
 	Status      AgentStatus         `json:"status"`
 	CreatedAt   time.Time           `json:"createdAt"`
 	UpdatedAt   time.Time           `json:"updatedAt"`
+	ContactedAt *time.Time          `json:"contactedAt,omitempty"`
 }
 
 type SerializableKeySet struct {

internal/datastore/agent_repository.go

@@ -2,6 +2,7 @@ package datastore
 
 import (
 	"context"
+	"time"
 
 	"github.com/lestrrat-go/jwx/v2/jwk"
 )
@@ -70,6 +71,7 @@ type AgentUpdateOptionFunc func(*AgentUpdateOptions)
 type AgentUpdateOptions struct {
 	Label       *string
 	Status      *AgentStatus
+	ContactedAt *time.Time
 	Metadata    *map[string]any
 	KeySet      *jwk.Set
 	Thumbprint  *string
@@ -104,3 +106,9 @@ func WithAgentUpdateLabel(label string) AgentUpdateOptionFunc {
 		opts.Label = &label
 	}
 }
+
+func WithAgentUpdateContactedAt(contactedAt time.Time) AgentUpdateOptionFunc {
+	return func(opts *AgentUpdateOptions) {
+		opts.ContactedAt = &contactedAt
+	}
+}

internal/datastore/sqlite/agent_repository.go

@@ -127,7 +127,7 @@ func (r *AgentRepository) Query(ctx context.Context, opts ...datastore.AgentQuer
 	count := 0
 
 	err := r.withTx(ctx, func(tx *sql.Tx) error {
-		query := `SELECT id, label, thumbprint, status, created_at, updated_at FROM agents`
+		query := `SELECT id, label, thumbprint, status, contacted_at, created_at, updated_at FROM agents`
 
 		limit := 10
 		if options.Limit != nil {
@@ -194,12 +194,16 @@ func (r *AgentRepository) Query(ctx context.Context, opts ...datastore.AgentQuer
 			agent := &datastore.Agent{}
 
 			metadata := JSONMap{}
+			contactedAt := sql.NullTime{}
 
-			if err := rows.Scan(&agent.ID, &agent.Label, &agent.Thumbprint, &agent.Status, &agent.CreatedAt, &agent.UpdatedAt); err != nil {
+			if err := rows.Scan(&agent.ID, &agent.Label, &agent.Thumbprint, &agent.Status, &contactedAt, &agent.CreatedAt, &agent.UpdatedAt); err != nil {
 				return errors.WithStack(err)
 			}
 
 			agent.Metadata = metadata
+			if contactedAt.Valid {
+				agent.ContactedAt = &contactedAt.Time
+			}
 
 			agents = append(agents, agent)
 		}
@@ -315,7 +319,7 @@ func (r *AgentRepository) Get(ctx context.Context, id datastore.AgentID) (*datas
 
 	err := r.withTx(ctx, func(tx *sql.Tx) error {
 		query := `
-		SELECT "id", "label", "thumbprint", "keyset", "metadata", "status", "created_at", "updated_at"
+		SELECT "id", "label", "thumbprint", "keyset", "metadata", "status", "contacted_at", "created_at", "updated_at"
 		FROM agents
 		WHERE id = $1
 		`
@@ -323,9 +327,10 @@ func (r *AgentRepository) Get(ctx context.Context, id datastore.AgentID) (*datas
 		row := r.db.QueryRowContext(ctx, query, id)
 
 		metadata := JSONMap{}
+		contactedAt := sql.NullTime{}
 		var rawKeySet []byte
 
-		if err := row.Scan(&agent.ID, &agent.Label, &agent.Thumbprint, &rawKeySet, &metadata, &agent.Status, &agent.CreatedAt, &agent.UpdatedAt); err != nil {
+		if err := row.Scan(&agent.ID, &agent.Label, &agent.Thumbprint, &rawKeySet, &metadata, &agent.Status, &contactedAt, &agent.CreatedAt, &agent.UpdatedAt); err != nil {
 			if errors.Is(err, sql.ErrNoRows) {
 				return datastore.ErrNotFound
 			}
@@ -334,6 +339,9 @@ func (r *AgentRepository) Get(ctx context.Context, id datastore.AgentID) (*datas
 		}
 
 		agent.Metadata = metadata
+		if contactedAt.Valid {
+			agent.ContactedAt = &contactedAt.Time
+		}
 
 		keySet := jwk.NewSet()
 		if err := json.Unmarshal(rawKeySet, &keySet); err != nil {
@@ -362,15 +370,11 @@ func (r *AgentRepository) Update(ctx context.Context, id datastore.AgentID, opts
 
 	err := r.withTx(ctx, func(tx *sql.Tx) error {
 		query := `
-			UPDATE agents SET updated_at = $2
+			UPDATE agents SET id = $1
 		`
 
-		now := time.Now().UTC()
+		args := []any{id}
-
+		index := 2
-		args := []any{
-			id, now,
-		}
-		index := 3
 
 		if options.Status != nil {
 			query += fmt.Sprintf(`, status = $%d`, index)
@@ -401,23 +405,45 @@ func (r *AgentRepository) Update(ctx context.Context, id datastore.AgentID, opts
 			index++
 		}
 
+		if options.ContactedAt != nil {
+			query += fmt.Sprintf(`, contacted_at = $%d`, index)
+			utc := options.ContactedAt.UTC()
+			args = append(args, utc)
+			index++
+		}
+
 		if options.Metadata != nil {
 			query += fmt.Sprintf(`, metadata = $%d`, index)
 			args = append(args, JSONMap(*options.Metadata))
 			index++
 		}
 
+		updated := options.Metadata != nil ||
+			options.Status != nil ||
+			options.Label != nil ||
+			options.KeySet != nil ||
+			options.Thumbprint != nil
+		if updated {
+			now := time.Now().UTC()
+			query += fmt.Sprintf(`, updated_at = $%d`, index)
+			args = append(args, now)
+			index++
+		}
+
 		query += `
 			WHERE id = $1 
-			RETURNING "id", "label", "thumbprint", "keyset", "metadata", "status", "created_at", "updated_at"
+			RETURNING "id", "label", "thumbprint", "keyset", "metadata", "status", "contacted_at", "created_at", "updated_at"
 		`
 
+		logger.Debug(ctx, "executing query", logger.F("query", query), logger.F("args", args))
+
 		row := tx.QueryRowContext(ctx, query, args...)
 
 		metadata := JSONMap{}
+		contactedAt := sql.NullTime{}
 		var rawKeySet []byte
 
-		if err := row.Scan(&agent.ID, &agent.Label, &agent.Thumbprint, &rawKeySet, &metadata, &agent.Status, &agent.CreatedAt, &agent.UpdatedAt); err != nil {
+		if err := row.Scan(&agent.ID, &agent.Label, &agent.Thumbprint, &rawKeySet, &metadata, &agent.Status, &contactedAt, &agent.CreatedAt, &agent.UpdatedAt); err != nil {
 			if errors.Is(err, sql.ErrNoRows) {
 				return datastore.ErrNotFound
 			}
@@ -426,6 +452,9 @@ func (r *AgentRepository) Update(ctx context.Context, id datastore.AgentID, opts
 		}
 
 		agent.Metadata = metadata
+		if contactedAt.Valid {
+			agent.ContactedAt = &contactedAt.Time
+		}
 
 		keySet := jwk.NewSet()
 		if err := json.Unmarshal(rawKeySet, &keySet); err != nil {

migrations/sqlite/0000002_agent_contactedat.down.sql

@@ -0,0 +1 @@
+ALTER TABLE agents DROP COLUMN contacted_at;

migrations/sqlite/0000002_agent_contactedat.up.sql

@@ -0,0 +1 @@
+ALTER TABLE agents ADD COLUMN contacted_at datetime;