108 lines
3.3 KiB
Go
108 lines
3.3 KiB
Go
package buildstep
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import (
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"crypto/sha256"
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"encoding/hex"
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"encoding/json"
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"fmt"
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"strings"
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"time"
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)
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// The states `pauses` of the build seats, whose three seats hold the same layouts (the part `build-step`): a node's
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// pause under `paused.<node>`, its capacity under `capacity.<node>`.
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// PausesState is the name of the state.
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const PausesState = "pauses"
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// PauseKey is the key of a node's pause.
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func PauseKey(node string) (string, error) {
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if err := checkNode(node); err != nil {
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return "", err
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}
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return "paused." + node, nil
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}
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// CapacityKey is the key of a node's capacity.
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func CapacityKey(node string) (string, error) {
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if err := checkNode(node); err != nil {
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return "", err
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}
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return "capacity." + node, nil
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}
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// Pause is whether a node takes no new ask, and who said so.
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type Pause struct {
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V int `json:"v"`
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Paused bool `json:"paused"`
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By string `json:"by,omitempty"`
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At time.Time `json:"at,omitzero"`
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}
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// EncodePause is p as a pauses value.
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func EncodePause(p Pause) ([]byte, error) {
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p.V = Version
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p.At = p.At.UTC()
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return json.Marshal(p)
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}
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// DecodePause reads a pause, refusing another version.
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func DecodePause(data []byte) (Pause, error) {
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var p Pause
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if err := decodeVersioned(data, &p, func() int { return p.V }); err != nil {
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return Pause{}, err
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}
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return p, nil
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}
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// Capacity is how many steps a node runs at once, and why.
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type Capacity struct {
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V int `json:"v"`
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Effective int `json:"effective"`
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Configured int `json:"configured"`
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ConfiguredFrom string `json:"configured-from,omitempty"`
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QuotaCores float64 `json:"quota-cores,omitempty"`
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QuotaFrom string `json:"quota-from"`
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CoresPerStep float64 `json:"cores-per-step"`
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ByCPU int `json:"by-cpu,omitempty"`
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BuildHours string `json:"build-hours,omitempty"`
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OutsideHours bool `json:"outside-hours,omitempty"`
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BuildHoursFault string `json:"build-hours-fault,omitempty"`
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Ineligible string `json:"ineligible,omitempty"`
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Why string `json:"why"`
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At time.Time `json:"at,omitzero"`
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}
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// EncodeCapacity is c as a pauses value.
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func EncodeCapacity(c Capacity) ([]byte, error) {
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c.V = Version
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c.At = c.At.UTC()
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return json.Marshal(c)
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}
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// DecodeCapacity reads a capacity, refusing another version.
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func DecodeCapacity(data []byte) (Capacity, error) {
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var c Capacity
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if err := decodeVersioned(data, &c, func() int { return c.V }); err != nil {
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return Capacity{}, err
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}
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return c, nil
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}
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func decodeVersioned(data []byte, into any, version func() int) error {
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if err := json.Unmarshal(data, into); err != nil {
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return fmt.Errorf("buildstep: value does not fit its shape: %w", err)
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}
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if v := version(); v != Version {
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return fmt.Errorf("%w: a value of version %d, this reader reads %d", ErrUnknownVersion, v, Version)
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}
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return nil
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}
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// ComposerKey is the key a composer build is kept under: the fetched commit, the directory, the package and the
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// toolchain it ran with.
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func ComposerKey(repository, commit, dir, pkg string, toolchain ToolchainUsed) string {
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sum := sha256.Sum256([]byte(strings.Join([]string{repository, commit, dir, pkg, toolchain.Version, toolchain.Recipe}, "\n")))
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return "composer-" + hex.EncodeToString(sum[:8])
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}
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