Files
rdp-proxy/agents/rap-node-agent/internal/client/client.go
T
2026-04-28 22:29:50 +03:00

401 lines
17 KiB
Go

package client
import (
"bytes"
"context"
"encoding/json"
"fmt"
"net/http"
"time"
)
type Client struct {
baseURL string
httpClient *http.Client
}
type EnrollRequest struct {
ClusterID string `json:"cluster_id"`
JoinToken string `json:"join_token"`
NodeName string `json:"node_name"`
NodeFingerprint string `json:"node_fingerprint"`
PublicKey string `json:"public_key"`
ReportedCapabilities map[string]any `json:"reported_capabilities"`
ReportedFacts map[string]any `json:"reported_facts"`
RequestedRoles []string `json:"requested_roles"`
}
type EnrollResponse struct {
Status string `json:"status"`
JoinRequest json.RawMessage `json:"join_request"`
}
type EnrollmentBootstrapRequest struct {
ClusterID string `json:"cluster_id"`
NodeFingerprint string `json:"node_fingerprint"`
PublicKey string `json:"public_key"`
}
type EnrollmentBootstrapResponse struct {
Status string `json:"status"`
JoinRequest json.RawMessage `json:"join_request"`
Bootstrap *NodeBootstrap `json:"node_bootstrap,omitempty"`
}
type NodeBootstrap struct {
NodeID string `json:"node_id"`
ClusterID string `json:"cluster_id"`
IdentityStatus string `json:"identity_status"`
Certificate map[string]any `json:"certificate"`
HeartbeatEndpoint string `json:"heartbeat_endpoint"`
ClusterAuthority *ClusterAuthorityDescriptor `json:"cluster_authority,omitempty"`
AuthorityPayload json.RawMessage `json:"authority_payload,omitempty"`
AuthoritySignature *ClusterSignature `json:"authority_signature,omitempty"`
}
type HeartbeatRequest struct {
HealthStatus string `json:"health_status"`
ReportedVersion string `json:"reported_version,omitempty"`
Capabilities map[string]any `json:"capabilities"`
ServiceStates map[string]any `json:"service_states"`
Metadata map[string]any `json:"metadata"`
}
type HeartbeatResponse struct {
Heartbeat json.RawMessage `json:"heartbeat"`
TestingFlags EffectiveTestingFlags `json:"testing_flags"`
}
type EffectiveTestingFlags struct {
Enabled bool `json:"enabled"`
TelemetryEnabled bool `json:"telemetry_enabled"`
SyntheticLinksEnabled bool `json:"synthetic_links_enabled"`
HistoryRetentionHours int `json:"history_retention_hours"`
AppliedScopes []string `json:"applied_scopes"`
}
type DesiredWorkload struct {
ServiceType string `json:"service_type"`
DesiredState string `json:"desired_state"`
Version string `json:"version,omitempty"`
RuntimeMode string `json:"runtime_mode"`
ArtifactRef string `json:"artifact_ref,omitempty"`
Config map[string]any `json:"config"`
Environment map[string]any `json:"environment"`
}
type WorkloadStatusRequest struct {
ReportedState string `json:"reported_state"`
RuntimeMode string `json:"runtime_mode"`
Version string `json:"version,omitempty"`
StatusPayload map[string]any `json:"status_payload"`
}
type MeshLinkObservationRequest struct {
SourceNodeID string `json:"source_node_id"`
TargetNodeID string `json:"target_node_id"`
LinkStatus string `json:"link_status"`
LatencyMs *int `json:"latency_ms,omitempty"`
QualityScore *int `json:"quality_score,omitempty"`
Metadata map[string]any `json:"metadata"`
}
type TelemetryRequest struct {
CPUPercent *float64 `json:"cpu_percent,omitempty"`
MemoryUsedBytes *int64 `json:"memory_used_bytes,omitempty"`
MemoryTotalBytes *int64 `json:"memory_total_bytes,omitempty"`
DiskUsedBytes *int64 `json:"disk_used_bytes,omitempty"`
DiskTotalBytes *int64 `json:"disk_total_bytes,omitempty"`
NetworkRxBytes *int64 `json:"network_rx_bytes,omitempty"`
NetworkTxBytes *int64 `json:"network_tx_bytes,omitempty"`
ProcessCount *int `json:"process_count,omitempty"`
Payload map[string]any `json:"payload"`
ObservedAt time.Time `json:"observed_at"`
}
type SyntheticMeshRouteConfig struct {
RouteID string `json:"route_id"`
ClusterID string `json:"cluster_id"`
SourceNodeID string `json:"source_node_id"`
DestinationNodeID string `json:"destination_node_id"`
Hops []string `json:"hops"`
AllowedChannels []string `json:"allowed_channels"`
ExpiresAt time.Time `json:"expires_at"`
MaxTTL int `json:"max_ttl"`
MaxHops int `json:"max_hops"`
RouteVersion string `json:"route_version,omitempty"`
PolicyVersion string `json:"policy_version,omitempty"`
PeerDirectoryVersion string `json:"peer_directory_version,omitempty"`
}
type SyntheticMeshConfig struct {
Enabled bool `json:"enabled"`
SchemaVersion string `json:"schema_version"`
ClusterID string `json:"cluster_id"`
LocalNodeID string `json:"local_node_id"`
AuthorityRequired bool `json:"authority_required"`
ClusterAuthority *ClusterAuthorityDescriptor `json:"cluster_authority,omitempty"`
AuthorityPayload json.RawMessage `json:"authority_payload,omitempty"`
AuthoritySignature *ClusterSignature `json:"authority_signature,omitempty"`
ConfigVersion string `json:"config_version,omitempty"`
PeerDirectoryVersion string `json:"peer_directory_version,omitempty"`
PolicyVersion string `json:"policy_version,omitempty"`
PeerEndpoints map[string]string `json:"peer_endpoints"`
PeerEndpointCandidates map[string][]PeerEndpointCandidate `json:"peer_endpoint_candidates,omitempty"`
PeerDirectory []PeerDirectoryEntry `json:"peer_directory,omitempty"`
RecoverySeeds []PeerRecoverySeed `json:"recovery_seeds,omitempty"`
RendezvousLeases []PeerRendezvousLease `json:"rendezvous_leases,omitempty"`
RendezvousRelayPolicy *RendezvousRelayPolicyReport `json:"rendezvous_relay_policy,omitempty"`
RoutePathDecisions *RoutePathDecisionReport `json:"route_path_decisions,omitempty"`
Routes []SyntheticMeshRouteConfig `json:"routes"`
ProductionForwarding bool `json:"production_forwarding"`
}
type ClusterAuthorityDescriptor struct {
SchemaVersion string `json:"schema_version"`
ClusterID string `json:"cluster_id"`
AuthorityState string `json:"authority_state"`
KeyAlgorithm string `json:"key_algorithm"`
PublicKey string `json:"public_key"`
PublicKeyFingerprint string `json:"public_key_fingerprint"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
}
type ClusterSignature struct {
SchemaVersion string `json:"schema_version"`
Algorithm string `json:"algorithm"`
KeyFingerprint string `json:"key_fingerprint"`
Signature string `json:"signature"`
SignedAt time.Time `json:"signed_at"`
}
type PeerDirectoryEntry struct {
NodeID string `json:"node_id"`
RouteIDs []string `json:"route_ids,omitempty"`
EndpointCount int `json:"endpoint_count"`
CandidateCount int `json:"candidate_count"`
ConnectivityModes []string `json:"connectivity_modes,omitempty"`
RecoverySeed bool `json:"recovery_seed"`
}
type PeerRecoverySeed struct {
NodeID string `json:"node_id"`
Endpoint string `json:"endpoint"`
Transport string `json:"transport"`
ConnectivityMode string `json:"connectivity_mode,omitempty"`
Region string `json:"region,omitempty"`
Priority int `json:"priority"`
LastVerifiedAt *time.Time `json:"last_verified_at,omitempty"`
Metadata json.RawMessage `json:"metadata,omitempty"`
}
type PeerRendezvousLease struct {
LeaseID string `json:"lease_id"`
PeerNodeID string `json:"peer_node_id"`
RelayNodeID string `json:"relay_node_id"`
RelayEndpoint string `json:"relay_endpoint"`
Transport string `json:"transport"`
ConnectivityMode string `json:"connectivity_mode,omitempty"`
RouteIDs []string `json:"route_ids,omitempty"`
AllowedChannels []string `json:"allowed_channels,omitempty"`
Priority int `json:"priority"`
ControlPlaneOnly bool `json:"control_plane_only"`
IssuedAt time.Time `json:"issued_at"`
ExpiresAt time.Time `json:"expires_at"`
Reason string `json:"reason,omitempty"`
Metadata json.RawMessage `json:"metadata,omitempty"`
}
type RendezvousRelayPolicyDecision struct {
RouteID string `json:"route_id,omitempty"`
PeerNodeID string `json:"peer_node_id"`
WithdrawnLeaseID string `json:"withdrawn_lease_id,omitempty"`
StaleRelayNodeID string `json:"stale_relay_node_id,omitempty"`
SelectedRelayID string `json:"selected_relay_id,omitempty"`
SelectedEndpoint string `json:"selected_endpoint,omitempty"`
Score int `json:"score,omitempty"`
Reason string `json:"reason"`
ScoreReasons []string `json:"score_reasons,omitempty"`
ReporterNodeID string `json:"reporter_node_id,omitempty"`
}
type RendezvousRelayPolicyReport struct {
SchemaVersion string `json:"schema_version"`
ScoringMode string `json:"scoring_mode"`
FeedbackMaxAgeSeconds int `json:"feedback_max_age_seconds"`
StaleRelayCount int `json:"stale_relay_count"`
WithdrawnLeaseCount int `json:"withdrawn_lease_count"`
ReplacementLeaseCount int `json:"replacement_lease_count"`
Decisions []RendezvousRelayPolicyDecision `json:"decisions,omitempty"`
}
type RoutePathDecision struct {
DecisionID string `json:"decision_id"`
RouteID string `json:"route_id"`
ClusterID string `json:"cluster_id"`
LocalNodeID string `json:"local_node_id"`
SourceNodeID string `json:"source_node_id"`
DestinationNodeID string `json:"destination_node_id"`
OriginalHops []string `json:"original_hops"`
EffectiveHops []string `json:"effective_hops"`
PreviousHopID string `json:"previous_hop_id,omitempty"`
NextHopID string `json:"next_hop_id,omitempty"`
LocalRole string `json:"local_role"`
SelectedRelayID string `json:"selected_relay_id,omitempty"`
SelectedRelayEndpoint string `json:"selected_relay_endpoint,omitempty"`
StaleRelayNodeID string `json:"stale_relay_node_id,omitempty"`
RendezvousPeerNodeID string `json:"rendezvous_peer_node_id,omitempty"`
RendezvousLeaseID string `json:"rendezvous_lease_id,omitempty"`
RendezvousLeaseReason string `json:"rendezvous_lease_reason,omitempty"`
DecisionSource string `json:"decision_source"`
Generation string `json:"generation"`
PathScore int `json:"path_score,omitempty"`
ScoreReasons []string `json:"score_reasons,omitempty"`
ControlPlaneOnly bool `json:"control_plane_only"`
ProductionForwarding bool `json:"production_forwarding"`
ExpiresAt time.Time `json:"expires_at"`
}
type RoutePathDecisionReport struct {
SchemaVersion string `json:"schema_version"`
DecisionMode string `json:"decision_mode"`
Generation string `json:"generation"`
DecisionCount int `json:"decision_count"`
ReplacementDecisionCount int `json:"replacement_decision_count"`
ControlPlaneOnly bool `json:"control_plane_only"`
ProductionForwarding bool `json:"production_forwarding"`
Decisions []RoutePathDecision `json:"decisions,omitempty"`
}
type PeerEndpointCandidate struct {
EndpointID string `json:"endpoint_id"`
NodeID string `json:"node_id"`
Transport string `json:"transport"`
Address string `json:"address"`
AddressFamily string `json:"address_family,omitempty"`
Reachability string `json:"reachability"`
NATType string `json:"nat_type,omitempty"`
ConnectivityMode string `json:"connectivity_mode"`
Region string `json:"region,omitempty"`
Priority int `json:"priority"`
PolicyTags []string `json:"policy_tags,omitempty"`
LastVerifiedAt *time.Time `json:"last_verified_at,omitempty"`
Metadata json.RawMessage `json:"metadata,omitempty"`
}
func New(baseURL string) *Client {
return &Client{
baseURL: baseURL,
httpClient: &http.Client{
Timeout: 15 * time.Second,
},
}
}
func (c *Client) Enroll(ctx context.Context, request EnrollRequest) (EnrollResponse, error) {
var response EnrollResponse
if err := c.postJSON(ctx, "/node-agents/enroll", request, &response); err != nil {
return EnrollResponse{}, err
}
return response, nil
}
func (c *Client) BootstrapEnrollment(ctx context.Context, joinRequestID string, request EnrollmentBootstrapRequest) (EnrollmentBootstrapResponse, error) {
var response EnrollmentBootstrapResponse
path := fmt.Sprintf("/node-agents/enrollments/%s/bootstrap", joinRequestID)
if err := c.postJSON(ctx, path, request, &response); err != nil {
return EnrollmentBootstrapResponse{}, err
}
return response, nil
}
func (c *Client) Heartbeat(ctx context.Context, clusterID, nodeID string, request HeartbeatRequest) (HeartbeatResponse, error) {
var response HeartbeatResponse
path := fmt.Sprintf("/clusters/%s/nodes/%s/heartbeats", clusterID, nodeID)
if err := c.postJSON(ctx, path, request, &response); err != nil {
return HeartbeatResponse{}, err
}
return response, nil
}
func (c *Client) DesiredWorkloads(ctx context.Context, clusterID, nodeID string) ([]DesiredWorkload, error) {
var response struct {
DesiredWorkloads []DesiredWorkload `json:"desired_workloads"`
}
path := fmt.Sprintf("/clusters/%s/nodes/%s/workloads/desired", clusterID, nodeID)
if err := c.getJSON(ctx, path, &response); err != nil {
return nil, err
}
return response.DesiredWorkloads, nil
}
func (c *Client) ReportWorkloadStatus(ctx context.Context, clusterID, nodeID, serviceType string, request WorkloadStatusRequest) error {
path := fmt.Sprintf("/clusters/%s/nodes/%s/workloads/%s/status", clusterID, nodeID, serviceType)
return c.postJSON(ctx, path, request, nil)
}
func (c *Client) ReportMeshLink(ctx context.Context, clusterID string, request MeshLinkObservationRequest) error {
path := fmt.Sprintf("/clusters/%s/mesh/links", clusterID)
return c.postJSON(ctx, path, request, nil)
}
func (c *Client) ReportTelemetry(ctx context.Context, clusterID, nodeID string, request TelemetryRequest) error {
path := fmt.Sprintf("/clusters/%s/nodes/%s/telemetry", clusterID, nodeID)
return c.postJSON(ctx, path, request, nil)
}
func (c *Client) SyntheticMeshConfig(ctx context.Context, clusterID, nodeID string) (SyntheticMeshConfig, error) {
var response struct {
Config SyntheticMeshConfig `json:"synthetic_mesh_config"`
}
path := fmt.Sprintf("/clusters/%s/nodes/%s/mesh/synthetic-config", clusterID, nodeID)
if err := c.getJSON(ctx, path, &response); err != nil {
return SyntheticMeshConfig{}, err
}
return response.Config, nil
}
func (c *Client) getJSON(ctx context.Context, path string, response any) error {
httpReq, err := http.NewRequestWithContext(ctx, http.MethodGet, c.baseURL+path, nil)
if err != nil {
return err
}
httpResp, err := c.httpClient.Do(httpReq)
if err != nil {
return err
}
defer httpResp.Body.Close()
if httpResp.StatusCode < 200 || httpResp.StatusCode >= 300 {
return fmt.Errorf("backend returned status %d", httpResp.StatusCode)
}
if response == nil {
return nil
}
return json.NewDecoder(httpResp.Body).Decode(response)
}
func (c *Client) postJSON(ctx context.Context, path string, request any, response any) error {
payload, err := json.Marshal(request)
if err != nil {
return err
}
httpReq, err := http.NewRequestWithContext(ctx, http.MethodPost, c.baseURL+path, bytes.NewReader(payload))
if err != nil {
return err
}
httpReq.Header.Set("Content-Type", "application/json")
httpResp, err := c.httpClient.Do(httpReq)
if err != nil {
return err
}
defer httpResp.Body.Close()
if httpResp.StatusCode < 200 || httpResp.StatusCode >= 300 {
return fmt.Errorf("backend returned status %d", httpResp.StatusCode)
}
if response == nil {
return nil
}
return json.NewDecoder(httpResp.Body).Decode(response)
}