Pulse/internal/agentexec/types.go
2026-03-18 16:06:30 +00:00

233 lines
8.4 KiB
Go

package agentexec
import (
"encoding/json"
"errors"
"time"
)
// MessageType identifies the type of WebSocket message
type MessageType string
const (
// Agent -> Server messages
MsgTypeAgentRegister MessageType = "agent_register"
MsgTypeAgentPing MessageType = "agent_ping"
MsgTypeCommandResult MessageType = "command_result"
// Server -> Agent messages
MsgTypeRegistered MessageType = "registered"
MsgTypePong MessageType = "pong"
MsgTypeExecuteCmd MessageType = "execute_command"
MsgTypeReadFile MessageType = "read_file"
MsgTypeDeployPreflight MessageType = "deploy_preflight"
MsgTypeDeployInstall MessageType = "deploy_install"
MsgTypeDeployCancelJob MessageType = "deploy_cancel"
// Agent -> Server messages (deploy)
MsgTypeDeployProgress MessageType = "deploy_progress"
)
// Message is the envelope for all WebSocket messages
type Message struct {
Type MessageType `json:"type"`
ID string `json:"id,omitempty"` // Unique message ID for request/response correlation
Timestamp time.Time `json:"timestamp"`
Payload json.RawMessage `json:"payload,omitempty"`
}
// NewMessage creates a message envelope with a safely marshaled payload.
func NewMessage(messageType MessageType, id string, payload any) (Message, error) {
msg := Message{
Type: messageType,
ID: id,
Timestamp: time.Now(),
}
if err := msg.SetPayload(payload); err != nil {
return Message{}, err
}
return msg, nil
}
// SetPayload marshals and sets the payload for this message.
func (m *Message) SetPayload(payload any) error {
if payload == nil {
m.Payload = nil
return nil
}
encoded, err := json.Marshal(payload)
if err != nil {
return err
}
m.Payload = encoded
return nil
}
// DecodePayload unmarshals the message payload into target.
func (m Message) DecodePayload(target any) error {
if len(m.Payload) == 0 {
return errors.New("message payload is empty")
}
return json.Unmarshal(m.Payload, target)
}
// AgentRegisterPayload is sent by agent on connection
type AgentRegisterPayload struct {
AgentID string `json:"agent_id"`
Hostname string `json:"hostname"`
Version string `json:"version"`
Platform string `json:"platform"` // "linux", "windows", "darwin"
Tags []string `json:"tags,omitempty"`
Token string `json:"token"` // API token for authentication
}
// RegisteredPayload is sent by server after successful registration
type RegisteredPayload struct {
Success bool `json:"success"`
Message string `json:"message,omitempty"`
}
// ExecuteCommandPayload is sent by server to request command execution
type ExecuteCommandPayload struct {
RequestID string `json:"request_id"`
Command string `json:"command"`
TargetType string `json:"target_type"` // "agent", "container", "vm"
TargetID string `json:"target_id,omitempty"` // VMID for container/VM
Timeout int `json:"timeout,omitempty"` // seconds, 0 = default
}
// ReadFilePayload is sent by server to request file content
type ReadFilePayload struct {
RequestID string `json:"request_id"`
Path string `json:"path"`
TargetType string `json:"target_type"`
TargetID string `json:"target_id,omitempty"`
MaxBytes int64 `json:"max_bytes,omitempty"` // 0 = default (1MB)
}
// CommandResultPayload is sent by agent with command execution result
type CommandResultPayload struct {
RequestID string `json:"request_id"`
Success bool `json:"success"`
Stdout string `json:"stdout,omitempty"`
Stderr string `json:"stderr,omitempty"`
ExitCode int `json:"exit_code"`
Error string `json:"error,omitempty"`
Duration int64 `json:"duration_ms"`
}
// ConnectedAgent represents an agent connected via WebSocket
type ConnectedAgent struct {
AgentID string
Hostname string
Version string
Platform string
Tags []string
ConnectedAt time.Time
}
// --- Deploy protocol payloads ---
// DeployPreflightPayload is sent by the server to request SSH preflight checks
// against cluster peer nodes.
type DeployPreflightPayload struct {
RequestID string `json:"request_id"`
JobID string `json:"job_id"`
Targets []DeployPreflightTarget `json:"targets"`
PulseURL string `json:"pulse_url"` // URL peers must reach
MaxParallel int `json:"max_parallel,omitempty"` // 0 = sequential
Timeout int `json:"timeout,omitempty"` // per-target seconds, 0 = 120
}
// DeployPreflightTarget identifies a single node to preflight-check via SSH.
type DeployPreflightTarget struct {
TargetID string `json:"target_id"` // deploy.Target.ID
NodeName string `json:"node_name"` // Proxmox node name
NodeIP string `json:"node_ip"` // IP to SSH into
}
// DeployInstallPayload is sent by the server to request agent installation
// on cluster peer nodes via SSH.
type DeployInstallPayload struct {
RequestID string `json:"request_id"`
JobID string `json:"job_id"`
Targets []DeployInstallTarget `json:"targets"`
PulseURL string `json:"pulse_url"`
MaxParallel int `json:"max_parallel,omitempty"`
Timeout int `json:"timeout,omitempty"` // per-target seconds, 0 = 300
}
// DeployInstallTarget identifies a single node for agent installation via SSH.
type DeployInstallTarget struct {
TargetID string `json:"target_id"` // deploy.Target.ID
NodeName string `json:"node_name"`
NodeIP string `json:"node_ip"`
Arch string `json:"arch"` // from preflight: amd64, arm64
BootstrapToken string `json:"bootstrap_token"` // per-target enrollment token
}
// DeployCancelPayload is sent by the server to cancel an in-flight deploy job.
type DeployCancelPayload struct {
RequestID string `json:"request_id"`
JobID string `json:"job_id"`
}
// DeployProgressPayload is sent by the agent to stream progress events for
// preflight checks and install operations. Multiple progress messages are
// sent per request, with the final message having Final=true.
type DeployProgressPayload struct {
RequestID string `json:"request_id"`
JobID string `json:"job_id"`
TargetID string `json:"target_id,omitempty"` // empty for job-level events
Phase DeployProgressPhase `json:"phase"`
Status DeployStepStatus `json:"status"`
Message string `json:"message"`
Data string `json:"data,omitempty"` // JSON blob for structured results
Final bool `json:"final"` // true = last message for this request
}
// DeployProgressPhase identifies which stage of the deploy lifecycle this
// progress event belongs to.
type DeployProgressPhase string
const (
DeployPhasePreflightSSH DeployProgressPhase = "preflight_ssh"
DeployPhasePreflightArch DeployProgressPhase = "preflight_arch"
DeployPhasePreflightReach DeployProgressPhase = "preflight_reachability"
DeployPhasePreflightAgent DeployProgressPhase = "preflight_existing_agent"
DeployPhasePreflightComplete DeployProgressPhase = "preflight_complete"
DeployPhaseInstallTransfer DeployProgressPhase = "install_transfer"
DeployPhaseInstallExecute DeployProgressPhase = "install_execute"
DeployPhaseInstallEnrollWait DeployProgressPhase = "install_enroll_wait"
DeployPhaseInstallComplete DeployProgressPhase = "install_complete"
DeployPhaseCanceled DeployProgressPhase = "canceled"
DeployPhaseJobComplete DeployProgressPhase = "job_complete"
)
// DeployStepStatus is the outcome of a single progress step.
type DeployStepStatus string
const (
DeployStepStarted DeployStepStatus = "started"
DeployStepOK DeployStepStatus = "ok"
DeployStepFailed DeployStepStatus = "failed"
DeployStepSkipped DeployStepStatus = "skipped"
)
// PreflightResultData is the structured data for a completed preflight check.
// Serialized as JSON in DeployProgressPayload.Data.
type PreflightResultData struct {
Arch string `json:"arch,omitempty"`
HasAgent bool `json:"has_agent"`
PulseReachable bool `json:"pulse_reachable"`
SSHReachable bool `json:"ssh_reachable"`
ErrorDetail string `json:"error_detail,omitempty"`
}
// InstallResultData is the structured data for a completed install step.
// Serialized as JSON in DeployProgressPayload.Data.
type InstallResultData struct {
ExitCode int `json:"exit_code"`
Output string `json:"output,omitempty"`
}