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cell_presence.go
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/
cell_presence.go
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package models
import "strings"
type CellSet map[string]*CellPresence
func NewCellSet() CellSet {
return make(CellSet)
}
func NewCellSetFromList(cells []*CellPresence) CellSet {
cellSet := NewCellSet()
for _, v := range cells {
cellSet.Add(v)
}
return cellSet
}
func (set CellSet) Add(cell *CellPresence) {
set[cell.CellId] = cell
}
func (set CellSet) Each(predicate func(cell *CellPresence)) {
for _, cell := range set {
predicate(cell)
}
}
func (set CellSet) HasCellID(cellID string) bool {
_, ok := set[cellID]
return ok
}
func (set CellSet) CellIDs() []string {
keys := make([]string, 0, len(set))
for k := range set {
keys = append(keys, k)
}
return keys
}
func NewCellCapacity(memoryMB, diskMB, containers int32) CellCapacity {
return CellCapacity{
MemoryMb: memoryMB,
DiskMb: diskMB,
Containers: containers,
}
}
func (cap CellCapacity) Validate() error {
var validationError ValidationError
if cap.MemoryMb <= 0 {
validationError = validationError.Append(ErrInvalidField{"memory_mb"})
}
if cap.DiskMb < 0 {
validationError = validationError.Append(ErrInvalidField{"disk_mb"})
}
if cap.Containers <= 0 {
validationError = validationError.Append(ErrInvalidField{"containers"})
}
if !validationError.Empty() {
return validationError
}
return nil
}
func NewCellPresence(
cellID, repAddress, repUrl, zone string,
capacity CellCapacity,
rootFSProviders, preloadedRootFSes, placementTags, optionalPlacementTags []string,
) CellPresence {
var providers []*Provider
var pProviders []string
for _, preProv := range preloadedRootFSes {
pProviders = append(pProviders, preProv)
}
providers = append(providers, &Provider{PreloadedRootFSScheme, pProviders})
providers = append(providers, &Provider{PreloadedOCIRootFSScheme, pProviders})
for _, prov := range rootFSProviders {
providers = append(providers, &Provider{prov, []string{}})
}
return CellPresence{
CellId: cellID,
RepAddress: repAddress,
RepUrl: repUrl,
Zone: zone,
Capacity: &capacity,
RootfsProviders: providers,
PlacementTags: placementTags,
OptionalPlacementTags: optionalPlacementTags,
}
}
func (c CellPresence) Validate() error {
var validationError ValidationError
if c.CellId == "" {
validationError = validationError.Append(ErrInvalidField{"cell_id"})
}
if c.RepAddress == "" {
validationError = validationError.Append(ErrInvalidField{"rep_address"})
}
if c.RepUrl != "" && !strings.HasPrefix(c.RepUrl, "http://") && !strings.HasPrefix(c.RepUrl, "https://") {
validationError = validationError.Append(ErrInvalidField{"rep_url"})
}
if err := c.Capacity.Validate(); err != nil {
validationError = validationError.Append(err)
}
if !validationError.Empty() {
return validationError
}
return nil
}
const (
EventTypeCellDisappeared = "cell_disappeared"
)
type CellEvent interface {
EventType() string
CellIDs() []string
}
type CellDisappearedEvent struct {
IDs []string
}
func NewCellDisappearedEvent(ids []string) CellDisappearedEvent {
return CellDisappearedEvent{ids}
}
func (CellDisappearedEvent) EventType() string {
return EventTypeCellDisappeared
}
func (e CellDisappearedEvent) CellIDs() []string {
return e.IDs
}
func (c *CellPresence) Copy() *CellPresence {
newCellPresense := *c
return &newCellPresense
}