Files
rdp-proxy/agents/rap-node-agent/internal/supervisor/supervisor.go
T

741 lines
26 KiB
Go

package supervisor
import (
"context"
"strconv"
"strings"
"time"
"github.com/example/remote-access-platform/agents/rap-node-agent/internal/client"
"github.com/example/remote-access-platform/agents/rap-node-agent/internal/webingress"
)
type Supervisor interface {
Apply(ctx context.Context, desired []client.DesiredWorkload) ([]client.WorkloadStatusRequest, error)
}
type StubSupervisor struct {
Version string
WebIngressRuntimeEnabled bool
WebIngressManager *webingress.Manager
RemoteWorkspaceRealAdapter RemoteWorkspaceRealAdapterConfig
}
type RemoteWorkspaceRealAdapterConfig struct {
EnabledRequested bool
Command string
ArgsJSON string
WorkDir string
}
func (s StubSupervisor) Apply(_ context.Context, desired []client.DesiredWorkload) ([]client.WorkloadStatusRequest, error) {
statuses := make([]client.WorkloadStatusRequest, 0, len(desired))
for _, workload := range desired {
statuses = append(statuses, s.applyOne(workload))
}
return statuses, nil
}
func (s StubSupervisor) applyOne(workload client.DesiredWorkload) client.WorkloadStatusRequest {
serviceType := strings.TrimSpace(workload.ServiceType)
desiredState := strings.TrimSpace(strings.ToLower(workload.DesiredState))
if desiredState == "" {
desiredState = "disabled"
}
runtimeMode := strings.TrimSpace(strings.ToLower(workload.RuntimeMode))
if runtimeMode == "" {
runtimeMode = "native"
}
version := strings.TrimSpace(workload.Version)
if version == "" {
version = s.Version
}
payload := map[string]any{
"schema_version": "rap.node_agent.workload_supervision.v1",
"supervisor": "node-agent-local",
"desired_state": desiredState,
"service_type": serviceType,
"runtime_mode": runtimeMode,
"observed_at": time.Now().UTC().Format(time.RFC3339Nano),
}
if desiredState != "enabled" {
payload["reason"] = "desired_state_not_enabled"
if (serviceType == "public-ingress" || serviceType == "admin-ingress") && s.WebIngressManager != nil {
payload["listener_status"] = s.WebIngressManager.Stop(context.Background())
}
return client.WorkloadStatusRequest{
ReportedState: "stopped",
RuntimeMode: runtimeMode,
Version: version,
StatusPayload: payload,
}
}
if serviceType == "core-mesh" || serviceType == "mesh-listener" {
payload["reason"] = "builtin_node_agent_service_ready"
payload["execution_mode"] = "builtin"
payload["traffic"] = serviceTrafficMode(serviceType)
return client.WorkloadStatusRequest{
ReportedState: "running",
RuntimeMode: runtimeMode,
Version: version,
StatusPayload: payload,
}
}
if serviceType == "public-ingress" || serviceType == "admin-ingress" {
contract := s.webIngressContract(serviceType, workload.Config)
for key, value := range contract {
payload[key] = value
}
if contract["contract_valid"] == true {
payload["reason"] = "web_ingress_contract_ready"
payload["execution_mode"] = "contract_probe"
payload["traffic"] = "https_edge_to_fabric_service_channel"
if contract["real_listener_requested"] == true && contract["real_listener_runtime_enabled"] != true {
payload["reason"] = "web_ingress_real_listener_gate_disabled"
payload["traffic"] = "blocked"
return client.WorkloadStatusRequest{
ReportedState: "degraded",
RuntimeMode: runtimeMode,
Version: version,
StatusPayload: payload,
}
}
if contract["real_listener_start_allowed"] == true && s.WebIngressManager != nil {
listenerStatus := s.WebIngressManager.Apply(context.Background(), webIngressListenerConfig(serviceType, workload.Config))
payload["listener_status"] = listenerStatus
payload["ports_opened_by_runtime"] = listenerStatus.Running
payload["ports_opened_by_stub"] = false
if !listenerStatus.HTTPSRunning {
payload["reason"] = "web_ingress_listener_partial"
payload["traffic"] = "blocked"
return client.WorkloadStatusRequest{
ReportedState: "degraded",
RuntimeMode: runtimeMode,
Version: version,
StatusPayload: payload,
}
}
}
return client.WorkloadStatusRequest{
ReportedState: "running",
RuntimeMode: runtimeMode,
Version: version,
StatusPayload: payload,
}
}
payload["reason"] = "web_ingress_contract_invalid"
payload["traffic"] = "blocked"
return client.WorkloadStatusRequest{
ReportedState: "degraded",
RuntimeMode: runtimeMode,
Version: version,
StatusPayload: payload,
}
}
if serviceType == "synthetic.echo" && runtimeMode == "native" {
payload["reason"] = "internal_synthetic_echo_ready"
payload["execution_mode"] = "builtin"
payload["traffic"] = "test_service_only"
return client.WorkloadStatusRequest{
ReportedState: "running",
RuntimeMode: runtimeMode,
Version: version,
StatusPayload: payload,
}
}
if (serviceType == "vpn-exit" || serviceType == "ipv4-egress" || serviceType == "vpn-client") && runtimeMode == "native" {
for key, value := range vpnFabricOnlyContract(serviceType, workload.Config) {
payload[key] = value
}
payload["execution_mode"] = "contract_probe"
payload["fabric_transport"] = "quic_only"
payload["fabric_service_channel_required"] = true
payload["backend_relay_fallback"] = false
payload["legacy_protocol_compatibility"] = false
payload["traffic"] = "fabric_service_channel_only"
return client.WorkloadStatusRequest{
ReportedState: "running",
RuntimeMode: runtimeMode,
Version: version,
StatusPayload: payload,
}
}
if serviceType == "rdp-worker" && runtimeMode == "native" && boolConfig(workload.Config, "adapter_contract_probe") {
payload["reason"] = "remote_workspace_adapter_contract_probe_ready"
payload["execution_mode"] = "contract_probe"
payload["service_class"] = "remote_workspace"
payload["fabric_service_channel_required"] = true
payload["backend_relay_steady_state"] = false
payload["channels"] = remoteWorkspaceAdapterChannels()
payload["frame_batch_contract"] = remoteWorkspaceFrameBatchContract()
payload["real_adapter_supervision"] = remoteWorkspaceRealAdapterSupervisionContract(s.RemoteWorkspaceRealAdapter)
payload["traffic"] = "none"
return client.WorkloadStatusRequest{
ReportedState: "running",
RuntimeMode: runtimeMode,
Version: version,
StatusPayload: payload,
}
}
if serviceType == "rdp-worker" && runtimeMode == "native" && boolConfig(workload.Config, "real_adapter_supervision") {
payload["reason"] = "remote_workspace_real_adapter_supervision_disabled"
payload["execution_mode"] = "real_adapter_supervision_disabled"
payload["service_class"] = "remote_workspace"
payload["traffic"] = "blocked"
payload["payload_traffic"] = "none"
payload["real_adapter_supervision"] = remoteWorkspaceRealAdapterSupervisionContract(s.RemoteWorkspaceRealAdapter)
return client.WorkloadStatusRequest{
ReportedState: "degraded",
RuntimeMode: runtimeMode,
Version: version,
StatusPayload: payload,
}
}
payload["reason"] = "service_runtime_not_implemented"
payload["traffic"] = "blocked"
return client.WorkloadStatusRequest{
ReportedState: "degraded",
RuntimeMode: runtimeMode,
Version: version,
StatusPayload: payload,
}
}
func vpnFabricOnlyContract(serviceType string, config map[string]any) map[string]any {
role := "vpn-client"
reason := "vpn_client_node_contract_ready"
serviceClass := "vpn_packets"
internetEgress := false
if serviceType == "vpn-exit" || serviceType == "ipv4-egress" {
role = "ipv4-egress"
reason = "ipv4_egress_contract_ready"
internetEgress = true
}
contract := map[string]any{
"schema_version": "rap.vpn.fabric_node_contract.v1",
"reason": reason,
"role": role,
"service_class": serviceClass,
"internet_egress": internetEgress,
"exit_pool_id": stringConfig(config, "pool_id", ""),
"exit_region": stringConfig(config, "region", ""),
"allowed_cidrs": stringSliceConfig(config, "allowed_cidrs"),
"dns_servers": stringSliceConfig(config, "dns_servers"),
"client_policy_source": stringConfig(config, "client_policy_source", "fabric_access_policy"),
"android_node_supported": serviceType == "vpn-client",
"ipv4_exit_supported": internetEgress,
"fabric_service_channel_required": true,
"packet_runtime_status": "fabric_channel_binding_pending_runtime",
"service_binding": vpnServiceBindingContract(serviceType, config),
}
return contract
}
func vpnServiceBindingContract(serviceType string, config map[string]any) map[string]any {
if serviceType == "vpn-exit" || serviceType == "ipv4-egress" {
return map[string]any{
"type": "ipv4_egress",
"accepts_service_class": "vpn_packets",
"accepts_from_fabric_only": true,
"legacy_protocol_listener": false,
"exit_pool_id": stringConfig(config, "pool_id", ""),
"region": stringConfig(config, "region", ""),
"allowed_cidrs": stringSliceConfig(config, "allowed_cidrs"),
"dns_servers": stringSliceConfig(config, "dns_servers"),
"internet_egress": true,
"requires_host_packet_runtime": true,
}
}
return map[string]any{
"type": "local_ipv4_ingress",
"accepts_from": []string{"android_vpnservice_tun", "linux_tun", "host_service_port"},
"service_class": "vpn_packets",
"exit_selection": "pool",
"preferred_exit_pool_id": stringConfig(config, "exit_pool_id", ""),
"listen_tcp_ports": intSliceConfig(config, "listen_tcp_ports"),
"listen_udp_ports": intSliceConfig(config, "listen_udp_ports"),
"tun_required": true,
"route_authority": "fabric_farm",
"legacy_protocol_listener": false,
"requires_fabric_node_runtime": true,
}
}
func webIngressListenerConfig(serviceType string, config map[string]any) webingress.ListenerConfig {
return webingress.ListenerConfig{
RuntimeConfig: webingress.RuntimeConfig{
ServiceType: serviceType,
Scope: stringConfig(config, "scope", ""),
ServiceClasses: stringSliceConfig(config, "service_classes"),
TLSMode: stringConfig(config, "tls_mode", "terminate"),
HTTPPort: intConfig(config, "listen_http_port", 80),
HTTPSPort: intConfig(config, "listen_https_port", 443),
},
HTTPAddr: stringConfig(config, "listen_http_addr", ":80"),
HTTPSAddr: stringConfig(config, "listen_https_addr", ":443"),
TLSCertFile: stringConfig(config, "tls_cert_file", ""),
TLSKeyFile: stringConfig(config, "tls_key_file", ""),
}
}
func (s StubSupervisor) webIngressContract(serviceType string, config map[string]any) map[string]any {
httpPort := intConfig(config, "listen_http_port", 80)
httpsPort := intConfig(config, "listen_https_port", 443)
tlsMode := strings.TrimSpace(stringConfig(config, "tls_mode", "terminate"))
serviceClasses := stringSliceConfig(config, "service_classes")
scope := strings.TrimSpace(stringConfig(config, "scope", ""))
realListenerRequested := boolConfig(config, "real_listener_enabled")
allowedClasses := webIngressAllowedServiceClasses(serviceType)
missing := []string{}
if httpPort != 80 {
missing = append(missing, "listen_http_port_must_be_80")
}
if httpsPort != 443 {
missing = append(missing, "listen_https_port_must_be_443")
}
if tlsMode != "terminate" && tlsMode != "passthrough-approved-terminator" {
missing = append(missing, "tls_mode_invalid")
}
if scope == "" {
missing = append(missing, "scope_required")
}
if len(serviceClasses) == 0 {
missing = append(missing, "service_classes_required")
}
for _, serviceClass := range serviceClasses {
if !containsString(allowedClasses, serviceClass) {
missing = append(missing, "service_class_not_allowed:"+serviceClass)
}
}
return map[string]any{
"schema_version": "rap.web_ingress.workload_contract.v1",
"contract_valid": len(missing) == 0,
"missing_checks": missing,
"service_edge_only": true,
"authority_service": false,
"fabric_transport": "quic_only",
"http_between_fabric_nodes": false,
"listen_http_port": httpPort,
"listen_https_port": httpsPort,
"tls_mode": tlsMode,
"scope": scope,
"service_classes": serviceClasses,
"allowed_service_classes": allowedClasses,
"fabric_service_channel_required": true,
"runtime_roles_required": webIngressRuntimeRoles(serviceClasses),
"payload_forwarding": "contract_only",
"real_listener_requested": realListenerRequested,
"real_listener_runtime_enabled": s.WebIngressRuntimeEnabled,
"real_listener_start_allowed": len(missing) == 0 && realListenerRequested && s.WebIngressRuntimeEnabled,
"runtime_handler_ready": len(missing) == 0,
"runtime_handler_contract": "rap.web_ingress.runtime_response.v1",
"runtime_handler_payload_status": "fabric_service_channel_binding_not_implemented",
"fabric_envelope_schema": webingress.FabricServiceChannelEnvelopeSchema,
"fabric_runtime_response_schema": "rap.web_ingress.fabric_runtime_response.v1",
"fabric_envelope_signer": "ed25519_available",
"fabric_envelope_sender": "mesh_request_response_runtime_adapter_available",
"fabric_quic_stream": "web_ingress_forward",
"fabric_quic_stream_id": 2,
"fabric_runtime_receiver": "signed_envelope_receiver_available",
"admin_runtime_dispatcher": "read_only_manifest_and_health_available",
"control_api_binding": "read_only_projection_skeleton_available",
"runtime_receiver_policy": "trusted_keys_and_service_class_allow_list",
"ports_opened_by_stub": false,
}
}
func webIngressAllowedServiceClasses(serviceType string) []string {
if serviceType == "admin-ingress" {
return []string{"platform_admin", "cluster_admin"}
}
return []string{"organization_portal", "user_portal"}
}
func webIngressRuntimeRoles(serviceClasses []string) []string {
roles := []string{}
for _, serviceClass := range serviceClasses {
switch serviceClass {
case "platform_admin":
roles = append(roles, "global-admin-runtime", "identity-runtime", "policy-authority", "audit-sink")
case "cluster_admin":
roles = append(roles, "cluster-admin-runtime", "identity-runtime", "policy-authority", "audit-sink")
case "organization_portal":
roles = append(roles, "organization-portal-runtime", "identity-runtime", "policy-authority", "audit-sink")
case "user_portal":
roles = append(roles, "user-portal-runtime", "identity-runtime", "policy-authority", "audit-sink")
}
}
return dedupeStrings(roles)
}
func boolConfig(values map[string]any, key string) bool {
if values == nil {
return false
}
value, ok := values[key]
if !ok {
return false
}
switch typed := value.(type) {
case bool:
return typed
case string:
return strings.EqualFold(strings.TrimSpace(typed), "true")
default:
return false
}
}
func intConfig(values map[string]any, key string, fallback int) int {
if values == nil {
return fallback
}
switch value := values[key].(type) {
case int:
return value
case int64:
return int(value)
case float64:
return int(value)
case string:
parsed, err := strconv.Atoi(strings.TrimSpace(value))
if err != nil {
return fallback
}
return parsed
default:
return fallback
}
}
func stringConfig(values map[string]any, key string, fallback string) string {
if values == nil {
return fallback
}
value, ok := values[key]
if !ok {
return fallback
}
if text, ok := value.(string); ok {
return text
}
return fallback
}
func stringSliceConfig(values map[string]any, key string) []string {
if values == nil {
return nil
}
value, ok := values[key]
if !ok {
return nil
}
switch typed := value.(type) {
case []string:
return dedupeStrings(typed)
case []any:
out := []string{}
for _, item := range typed {
if text, ok := item.(string); ok {
out = append(out, strings.TrimSpace(text))
}
}
return dedupeStrings(out)
case string:
parts := strings.Split(typed, ",")
for index := range parts {
parts[index] = strings.TrimSpace(parts[index])
}
return dedupeStrings(parts)
default:
return nil
}
}
func intSliceConfig(values map[string]any, key string) []int {
if values == nil {
return nil
}
value, ok := values[key]
if !ok {
return nil
}
add := func(out []int, item any) []int {
switch typed := item.(type) {
case int:
if typed > 0 {
out = append(out, typed)
}
case int64:
if typed > 0 {
out = append(out, int(typed))
}
case float64:
if typed > 0 {
out = append(out, int(typed))
}
case string:
if parsed := intConfig(map[string]any{"value": typed}, "value", 0); parsed > 0 {
out = append(out, parsed)
}
}
return out
}
out := []int{}
switch typed := value.(type) {
case []int:
out = append(out, typed...)
case []any:
for _, item := range typed {
out = add(out, item)
}
case string:
for _, part := range strings.Split(typed, ",") {
out = add(out, strings.TrimSpace(part))
}
default:
out = add(out, typed)
}
seen := map[int]struct{}{}
cleaned := make([]int, 0, len(out))
for _, port := range out {
if port <= 0 || port > 65535 {
continue
}
if _, ok := seen[port]; ok {
continue
}
seen[port] = struct{}{}
cleaned = append(cleaned, port)
}
return cleaned
}
func dedupeStrings(values []string) []string {
out := []string{}
seen := map[string]struct{}{}
for _, value := range values {
normalized := strings.TrimSpace(value)
if normalized == "" {
continue
}
if _, ok := seen[normalized]; ok {
continue
}
seen[normalized] = struct{}{}
out = append(out, normalized)
}
return out
}
func containsString(values []string, needle string) bool {
for _, value := range values {
if value == needle {
return true
}
}
return false
}
func remoteWorkspaceAdapterChannels() []map[string]any {
return []map[string]any{
{"name": "input", "direction": "client_to_adapter", "reliability": "reliable_ordered", "priority": "critical", "droppable": true, "may_block_input": false},
{"name": "control", "direction": "bidirectional", "reliability": "reliable_ordered", "priority": "high", "droppable": false, "may_block_input": false},
{"name": "display", "direction": "adapter_to_client", "reliability": "droppable_latest", "priority": "high", "droppable": true, "may_block_input": false},
{"name": "cursor", "direction": "adapter_to_client", "reliability": "droppable_latest", "priority": "high", "droppable": true, "may_block_input": false},
{"name": "clipboard", "direction": "bidirectional", "reliability": "reliable_ordered", "priority": "medium", "droppable": false, "may_block_input": false},
{"name": "file_transfer", "direction": "bidirectional", "reliability": "reliable_chunked", "priority": "medium", "droppable": false, "may_block_input": false},
{"name": "audio", "direction": "adapter_to_client", "reliability": "adaptive_droppable", "priority": "medium", "droppable": true, "may_block_input": false},
{"name": "device", "direction": "bidirectional", "reliability": "reliable_ordered", "priority": "medium", "droppable": false, "may_block_input": false},
{"name": "telemetry", "direction": "adapter_to_client", "reliability": "sampled_droppable", "priority": "low", "droppable": true, "may_block_input": false},
}
}
func remoteWorkspaceFrameBatchContract() map[string]any {
return map[string]any{
"schema_version": "rap.remote_workspace_frame_batch.v1",
"adapter_contract_id": "rap.rdp_worker.remote_workspace_adapter_contract_probe.v1",
"probe_only": true,
"payload_forwarding": "not_implemented",
"service_class": "remote_workspace",
"allowed_flow_classes": []string{"control", "interactive", "reliable", "bulk", "droppable"},
"allowed_payload_encodings": []string{
"none",
"base64",
},
"max_probe_frames": 32,
"channels": remoteWorkspaceAdapterChannels(),
}
}
func remoteWorkspaceRealAdapterSupervisionContract(configs ...RemoteWorkspaceRealAdapterConfig) map[string]any {
var config RemoteWorkspaceRealAdapterConfig
if len(configs) > 0 {
config = configs[0]
}
return map[string]any{
"schema_version": "rap.remote_workspace_real_adapter_supervision.v1",
"enabled": false,
"activation_state": "disabled_until_real_runtime_stage",
"execution_mode": "real_adapter_supervision_disabled",
"payload_traffic": "none",
"process_model": "external_rdp_worker_process",
"config_projection": remoteWorkspaceRealAdapterConfigProjection(config),
"activation_decision": remoteWorkspaceRealAdapterActivationDecision(config),
"process_supervisor_preconditions": remoteWorkspaceRealAdapterProcessSupervisorPreconditions(config),
"process_health_probe": remoteWorkspaceRealAdapterProcessHealthProbe(),
"features": map[string]any{
"config_projection": true,
"activation_decision": true,
"missing_gates": true,
"process_health_probe": true,
"process_health_probe_disabled": true,
"process_supervisor_preconditions": true,
"process_supervisor_start_disabled": true,
"raw_values_redacted": true,
},
"config_env": []string{
"RAP_REMOTE_WORKSPACE_REAL_ADAPTER_ENABLED",
"RAP_REMOTE_WORKSPACE_REAL_ADAPTER_COMMAND",
"RAP_REMOTE_WORKSPACE_REAL_ADAPTER_ARGS_JSON",
"RAP_REMOTE_WORKSPACE_REAL_ADAPTER_WORKDIR",
},
"status_contract": []string{
"schema_version",
"enabled",
"activation_state",
"execution_mode",
"payload_traffic",
"process_model",
"config_projection",
"activation_decision",
"process_supervisor_preconditions",
"process_health_probe",
"features",
"config_env",
"status_contract",
},
"guardrails": []string{
"contract_probe_remains_default",
"no_payload_forwarding_until_real_runtime_stage",
"backend_relay_not_steady_state",
"fabric_service_channel_required",
},
}
}
func remoteWorkspaceRealAdapterProcessHealthProbe() map[string]any {
return map[string]any{
"schema_version": "rap.remote_workspace_real_adapter_process_health_probe.v1",
"health_probe_enabled": false,
"reason": "disabled_until_real_runtime_stage",
"payload_traffic": "none",
"probe_model": "external_process_health",
"required_signals": []string{
"process_started",
"process_exit_status",
"adapter_control_channel_ready",
"fabric_service_channel_bound",
"payload_forwarding_contract_ready",
},
"missing_signals": []string{
"process_started",
"process_exit_status",
"adapter_control_channel_ready",
"fabric_service_channel_bound",
"payload_forwarding_contract_ready",
},
}
}
func remoteWorkspaceRealAdapterProcessSupervisorPreconditions(config RemoteWorkspaceRealAdapterConfig) map[string]any {
return map[string]any{
"schema_version": "rap.remote_workspace_real_adapter_process_supervisor_preconditions.v1",
"process_start_allowed": false,
"reason": "disabled_until_real_runtime_stage",
"command_config_present": strings.TrimSpace(config.Command) != "",
"workdir_config_present": strings.TrimSpace(config.WorkDir) != "",
"args_config_present": strings.TrimSpace(config.ArgsJSON) != "",
"required_checks": []string{
"real_runtime_stage_enabled",
"command_config_validated",
"workdir_config_validated",
"process_identity_policy_bound",
"fabric_service_channel_runtime_ready",
"payload_forwarding_contract_enabled",
"health_probe_contract_enabled",
},
"missing_checks": []string{
"real_runtime_stage_enabled",
"command_config_validated",
"workdir_config_validated",
"process_identity_policy_bound",
"fabric_service_channel_runtime_ready",
"payload_forwarding_contract_enabled",
"health_probe_contract_enabled",
},
}
}
func remoteWorkspaceRealAdapterActivationDecision(config RemoteWorkspaceRealAdapterConfig) map[string]any {
return map[string]any{
"schema_version": "rap.remote_workspace_real_adapter_activation_decision.v1",
"decision": "blocked",
"reason": "real_runtime_stage_not_enabled",
"enabled_requested": config.EnabledRequested,
"activation_allowed": false,
"payload_traffic": "none",
"required_gates": []string{
"real_runtime_stage_enabled",
"fabric_service_channel_runtime_ready",
"adapter_process_supervisor_enabled",
"payload_forwarding_contract_enabled",
},
"missing_gates": []string{
"real_runtime_stage_enabled",
"fabric_service_channel_runtime_ready",
"adapter_process_supervisor_enabled",
"payload_forwarding_contract_enabled",
},
}
}
func remoteWorkspaceRealAdapterConfigProjection(config RemoteWorkspaceRealAdapterConfig) map[string]any {
return map[string]any{
"schema_version": "rap.remote_workspace_real_adapter_config_projection.v1",
"enabled_requested": config.EnabledRequested,
"activation_allowed": false,
"command_present": strings.TrimSpace(config.Command) != "",
"args_json_present": strings.TrimSpace(config.ArgsJSON) != "",
"args_json_shape": remoteWorkspaceArgsJSONShape(config.ArgsJSON),
"workdir_present": strings.TrimSpace(config.WorkDir) != "",
"raw_values_redacted": true,
}
}
func remoteWorkspaceArgsJSONShape(value string) string {
trimmed := strings.TrimSpace(value)
if trimmed == "" {
return "absent"
}
switch {
case strings.HasPrefix(trimmed, "["):
return "json_array"
case strings.HasPrefix(trimmed, "{"):
return "json_object"
default:
return "opaque"
}
}
func serviceTrafficMode(serviceType string) string {
switch serviceType {
case "core-mesh":
return "fabric_control"
case "mesh-listener":
return "entry_listener"
default:
return "unknown"
}
}