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template.go
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template.go
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package schedule
import (
"context"
"time"
"github.com/google/uuid"
"golang.org/x/xerrors"
"github.com/coder/coder/v2/coderd/database"
"github.com/coder/coder/v2/coderd/database/dbtime"
"github.com/coder/coder/v2/coderd/tracing"
)
const MaxTemplateAutostopRequirementWeeks = 16
func TemplateAutostopRequirementEpoch(loc *time.Location) time.Time {
// The "first week" starts on January 2nd, 2023, which is the first Monday
// of 2023. All other weeks are counted using modulo arithmetic from that
// date.
return time.Date(2023, time.January, 2, 0, 0, 0, 0, loc)
}
// DaysOfWeek intentionally starts on Monday as opposed to Sunday so the weekend
// days are contiguous in the bitmap. This matters greatly when doing restarts
// every second week or more to avoid workspaces restarting "at the start" of
// the week rather than "at the end" of the week.
var DaysOfWeek = []time.Weekday{
time.Monday,
time.Tuesday,
time.Wednesday,
time.Thursday,
time.Friday,
time.Saturday,
time.Sunday,
}
type TemplateAutostartRequirement struct {
// DaysOfWeek is a bitmap of which days of the week the workspace is allowed
// to be auto started. If fully zero, the workspace is not allowed to be auto started.
//
// First bit is Monday, ..., seventh bit is Sunday, eighth bit is unused.
DaysOfWeek uint8
}
func (r TemplateAutostartRequirement) DaysMap() map[time.Weekday]bool {
return daysMap(r.DaysOfWeek)
}
type TemplateAutostopRequirement struct {
// DaysOfWeek is a bitmap of which days of the week the workspace must be
// restarted. If fully zero, the workspace is not required to be restarted
// ever.
//
// First bit is Monday, ..., seventh bit is Sunday, eighth bit is unused.
DaysOfWeek uint8
// Weeks is the amount of weeks between restarts. If 0 or 1, the workspace
// is restarted weekly in accordance with DaysOfWeek. If 2, the workspace is
// restarted every other week. And so forth.
//
// The limit for this value is 16, which is roughly 4 months.
//
// The "first week" starts on January 2nd, 2023, which is the first Monday
// of 2023. All other weeks are counted using modulo arithmetic from that
// date.
Weeks int64
}
// DaysMap returns a map of the days of the week that the workspace must be
// restarted.
func (r TemplateAutostopRequirement) DaysMap() map[time.Weekday]bool {
return daysMap(r.DaysOfWeek)
}
// daysMap returns a map of the days of the week that are specified in the
// bitmap.
func daysMap(daysOfWeek uint8) map[time.Weekday]bool {
days := make(map[time.Weekday]bool)
for i, day := range DaysOfWeek {
days[day] = daysOfWeek&(1<<uint(i)) != 0
}
return days
}
// VerifyTemplateAutostopRequirement returns an error if the autostop
// requirement is invalid.
func VerifyTemplateAutostopRequirement(days uint8, weeks int64) error {
if days&0b10000000 != 0 {
return xerrors.New("invalid autostop requirement days, last bit is set")
}
if days > 0b11111111 {
return xerrors.New("invalid autostop requirement days, too large")
}
if weeks < 1 {
return xerrors.New("invalid autostop requirement weeks, less than 1")
}
if weeks > MaxTemplateAutostopRequirementWeeks {
return xerrors.New("invalid autostop requirement weeks, too large")
}
return nil
}
// VerifyTemplateAutostartRequirement returns an error if the autostart
// requirement is invalid.
func VerifyTemplateAutostartRequirement(days uint8) error {
if days&0b10000000 != 0 {
return xerrors.New("invalid autostart requirement days, last bit is set")
}
if days > 0b11111111 {
return xerrors.New("invalid autostart requirement days, too large")
}
return nil
}
type TemplateScheduleOptions struct {
UserAutostartEnabled bool
UserAutostopEnabled bool
DefaultTTL time.Duration
// ActivityBump dictates the duration to bump the workspace's deadline by if
// Coder detects activity from the user. A value of 0 means no bumping.
ActivityBump time.Duration
// AutostopRequirement dictates when the workspace must be restarted. This
// used to be handled by MaxTTL.
AutostopRequirement TemplateAutostopRequirement
// AutostartRequirement dictates when the workspace can be auto started.
AutostartRequirement TemplateAutostartRequirement
// FailureTTL dictates the duration after which failed workspaces will be
// stopped automatically.
FailureTTL time.Duration
// TimeTilDormant dictates the duration after which inactive workspaces will
// go dormant.
TimeTilDormant time.Duration
// TimeTilDormantAutoDelete dictates the duration after which dormant workspaces will be
// permanently deleted.
TimeTilDormantAutoDelete time.Duration
// UpdateWorkspaceLastUsedAt updates the template's workspaces'
// last_used_at field. This is useful for preventing updates to the
// templates inactivity_ttl immediately triggering a dormant action against
// workspaces whose last_used_at field violates the new template
// inactivity_ttl threshold.
UpdateWorkspaceLastUsedAt func(ctx context.Context, db database.Store, templateID uuid.UUID, lastUsedAt time.Time) error `json:"update_workspace_last_used_at"`
// UpdateWorkspaceDormantAt updates the template's workspaces'
// dormant_at field. This is useful for preventing updates to the
// templates locked_ttl immediately triggering a delete action against
// workspaces whose dormant_at field violates the new template time_til_dormant_autodelete
// threshold.
UpdateWorkspaceDormantAt bool
}
// TemplateScheduleStore provides an interface for retrieving template
// scheduling options set by the template/site admin.
type TemplateScheduleStore interface {
Get(ctx context.Context, db database.Store, templateID uuid.UUID) (TemplateScheduleOptions, error)
Set(ctx context.Context, db database.Store, template database.Template, opts TemplateScheduleOptions) (database.Template, error)
}
type agplTemplateScheduleStore struct{}
var _ TemplateScheduleStore = &agplTemplateScheduleStore{}
func NewAGPLTemplateScheduleStore() TemplateScheduleStore {
return &agplTemplateScheduleStore{}
}
func (*agplTemplateScheduleStore) Get(ctx context.Context, db database.Store, templateID uuid.UUID) (TemplateScheduleOptions, error) {
ctx, span := tracing.StartSpan(ctx)
defer span.End()
tpl, err := db.GetTemplateByID(ctx, templateID)
if err != nil {
return TemplateScheduleOptions{}, err
}
return TemplateScheduleOptions{
// Disregard the values in the database, since user scheduling is an
// enterprise feature.
UserAutostartEnabled: true,
UserAutostopEnabled: true,
DefaultTTL: time.Duration(tpl.DefaultTTL),
ActivityBump: time.Duration(tpl.ActivityBump),
// Disregard the values in the database, since AutostopRequirement,
// FailureTTL, TimeTilDormant, and TimeTilDormantAutoDelete are enterprise features.
AutostartRequirement: TemplateAutostartRequirement{
// Default to allowing all days for AGPL
DaysOfWeek: 0b01111111,
},
AutostopRequirement: TemplateAutostopRequirement{
// No days means never. The weeks value should always be greater
// than zero though.
DaysOfWeek: 0,
Weeks: 1,
},
FailureTTL: 0,
TimeTilDormant: 0,
TimeTilDormantAutoDelete: 0,
}, nil
}
func (*agplTemplateScheduleStore) Set(ctx context.Context, db database.Store, tpl database.Template, opts TemplateScheduleOptions) (database.Template, error) {
ctx, span := tracing.StartSpan(ctx)
defer span.End()
if int64(opts.DefaultTTL) == tpl.DefaultTTL && int64(opts.ActivityBump) == tpl.ActivityBump {
// Avoid updating the UpdatedAt timestamp if nothing will be changed.
return tpl, nil
}
var template database.Template
err := db.InTx(func(db database.Store) error {
err := db.UpdateTemplateScheduleByID(ctx, database.UpdateTemplateScheduleByIDParams{
ID: tpl.ID,
UpdatedAt: dbtime.Now(),
DefaultTTL: int64(opts.DefaultTTL),
ActivityBump: int64(opts.ActivityBump),
// Don't allow changing these settings, but keep the value in the DB (to
// avoid clearing settings if the license has an issue).
AutostopRequirementDaysOfWeek: tpl.AutostopRequirementDaysOfWeek,
AutostopRequirementWeeks: tpl.AutostopRequirementWeeks,
AutostartBlockDaysOfWeek: tpl.AutostartBlockDaysOfWeek,
AllowUserAutostart: tpl.AllowUserAutostart,
AllowUserAutostop: tpl.AllowUserAutostop,
FailureTTL: tpl.FailureTTL,
TimeTilDormant: tpl.TimeTilDormant,
TimeTilDormantAutoDelete: tpl.TimeTilDormantAutoDelete,
})
if err != nil {
return xerrors.Errorf("update template schedule: %w", err)
}
template, err = db.GetTemplateByID(ctx, tpl.ID)
if err != nil {
return xerrors.Errorf("fetch updated template: %w", err)
}
return nil
}, nil)
if err != nil {
return database.Template{}, err
}
return template, err
}