workload

type FileRef struct {
	Path   string
	Digest string
	Mode   uint32
}

type HealthAction int

type HealthProbe string

type Instance struct {
	State  State
	ID     uuid.UUID
	SpecID uuid.UUID
	NodeID uuid.UUID
	PID    int
}

type QoS string

type Resources struct {
	CPUShares uint64 // relative weight (default 1024).
	MemoryMB  int64  // max memory, 0 = unlimited.
}

type RestartPolicy string

type Spec struct {
	Image          string // OCI reference, e.g. "docker.io/nginx:latest".
	Restart        RestartPolicy
	Command        []string // entrypoint override.
	Env            map[string]string
	Resources      Resources
	ID             uuid.UUID
	AssignedNodeID uuid.UUID `json:"AssignedNodeID"` // which node is assigned to run this.
	// AssignmentEpoch counts reassignments of one workload ID. Higher wins
	// in the view so an orphan move always supersedes the stored copy.
	AssignmentEpoch uint64
	Removed         bool
	HostPort        uint16
	ContainerPort   uint16
	// StopTimeoutSeconds specifies the maximum time (in seconds) allowed for graceful
	// process shutdown via SIGTERM before falling back to SIGKILL. Defaults to 60 seconds if <= 0.
	StopTimeoutSeconds int
	HealthAction       HealthAction
	HealthPath         string // HTTP path for health check endpoint (defaults to "/health").
	// HealthProbe selects the check type: http, tcp, or exec. Empty
	// means http.
	HealthProbe HealthProbe
	// HealthCommand is the argv run inside the container for exec
	// probes. Required when HealthProbe is exec, ignored otherwise.
	HealthCommand []string
	// DependsOn lists workload IDs that must be running on the same node
	// before this workload starts. Unknown, removed, or elsewhere-assigned
	// IDs are ignored, never waited on. Empty means no ordering.
	DependsOn []uuid.UUID
	// Files lists content-addressed files materialized into the container
	// filesystem before start. Blobs live in the registry under the
	// concord-files repo; the journal carries only these pointers.
	Files []FileRef
	// QoS ranks the workload for placement order and preemption:
	// best-effort gives way to everything, guaranteed gives way to
	// nothing. Empty means best-effort. This is compute allocation
	// (who gets the node), not message delivery: ROS-style DDS QoS
	// governs packets, this governs placement. See docs/qos.md.
	QoS QoS
}

type State string

type Unhealthy struct {
	WorkloadID uuid.UUID
}