jschoubben
604f1528d6
buildrun leaves mesh-sdk for the builder's own Go module (ADR 0593 §1); the checker, assigner, indexer and watchman require it by a replace to the sibling directory. Issue 1930's bound was already on mesh-sdk's main and moves with it. The builder copies the imports a build module answers to the done key and the log's end entry, where the indexer keeps them (§2; D7). Claude-Session: https://claude.ai/code/session_01NcbgfJ9Gum47zkFKWRaovL
57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
package buildrun
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import (
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"sync"
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"git.novox.be/novox/mesh-sdk/go/delivery"
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)
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// HaveSet holds what each node's node-engine says of each module on it (node-engine_have, key `<node>.<module>`): the
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// builder reads it to know whether a node's build module is running and healthy, since a build module whose installed
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// toolchain is not the one its recipe builds with is unhealthy (mesh-build-go build_go_health) and its steps would
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// refuse (ADR 0478 clause 3). A module the node-engine has written no key of is not healthy. Safe for use from the watch
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// and from a build at once.
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type HaveSet struct {
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mu sync.Mutex
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healthy map[string]bool // by `<node>.<module>`
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}
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// Put takes a change of the have bucket in and answers whether a module's healthy state changed. A node's own key
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// (`<node>.node`) and a value that is not a have are left out.
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func (s *HaveSet) Put(key string, value []byte, deleted bool) bool {
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node, module, isNode, err := delivery.ParseHaveKey(key)
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if err != nil || isNode {
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return false
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}
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ok := false
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if !deleted {
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h, err := delivery.DecodeHave(value)
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if err != nil {
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return false
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}
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ok = h.Phase == delivery.PhaseRunning && h.Health == delivery.HealthOK
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}
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k := node + "." + module
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s.mu.Lock()
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defer s.mu.Unlock()
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if s.healthy[k] == ok {
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return false
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}
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if s.healthy == nil {
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s.healthy = map[string]bool{}
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}
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if ok {
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s.healthy[k] = true
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} else {
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delete(s.healthy, k)
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}
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return true
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}
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// Healthy is whether the module on the node was last seen running and healthy.
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func (s *HaveSet) Healthy(node, module string) bool {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.healthy[node+"."+module]
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}
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