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| 1 | package instancectl |
| 2 | |
| 3 | import ( |
| 4 | "path" |
| 5 | "strings" |
| 6 | |
| 7 | "github.com/carlosframework/platform/internal/provision" |
| 8 | "github.com/carlosframework/platform/internal/registry" |
| 9 | ) |
| 10 | |
| 11 | func BoundClaimUnitControlGroup(host, unit string) string { |
| 12 | return path.Join(parentSlices, SliceName(host), unit) |
| 13 | } |
| 14 | |
| 15 | func (u ClaimUnits) Placement(host string) (string, string, error) { |
| 16 | if !provision.ValidHostShape(host) { |
| 17 | return "", "", ErrClaimUnit |
| 18 | } |
| 19 | if u.BoundHost == "" && u.BoundUnit == "" { |
| 20 | return UnitName(RoleRun, host), ClaimUnitControlGroup(host), nil |
| 21 | } |
| 22 | if u.BoundHost != host || !ValidBoundClaimUnit(u.BoundUnit) { |
| 23 | return "", "", ErrClaimUnit |
| 24 | } |
| 25 | return u.BoundUnit, BoundClaimUnitControlGroup(host, u.BoundUnit), nil |
| 26 | } |
| 27 | |
| 28 | func ValidBoundClaimUnit(unit string) bool { |
| 29 | return registry.ValidUnitName(unit) && strings.HasSuffix(unit, ".service") && |
| 30 | !strings.HasPrefix(unit, "-") && !strings.HasSuffix(unit, "@.service") && |
| 31 | !strings.HasPrefix(unit, "carlos-instance") && !strings.ContainsAny(unit, "%\\ \t\n\r\x00/") |
| 32 | } |
| 33 | |
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