jschoubben
09c77d57b8
mesh/repo-check head 09c77d57b823 merged into trunk c231d1031fc7 beside mesh-controller#428@d6db3348 — pass: its merge-check.sh passed
mesh/merge-gate head 09c77d57b823 merged into trunk c231d1031fc7 — pass: group fix/1732-held-moves-asked composed: every machine composes with the change a…
mesh/delivery delivered
mesh/delivery-group group fix/1732-held-moves-asked delivered: every member is delivered
94 lines
2.8 KiB
Go
94 lines
2.8 KiB
Go
package apply
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import (
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"context"
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"errors"
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"strings"
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"testing"
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"git.novox.be/novox/mesh-sdk/go/declaration"
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"github.com/novox/mesh-host/internal/store"
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)
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// Issue 1742: the engine removed a running container and only then found the replacement image
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// unobtainable, leaving the service down. The replacement image comes first.
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func TestARunningContainerIsKeptWhenItsReplacementImageCannotBeObtained(t *testing.T) {
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d := parseTrusted(t, `{"declaration":1,"resources":[
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{"id":"store","type":"container","name":"store","image":"`+pinned+`","env":{"PGDATA":"/data"}}
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]}`)
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var removed, created bool
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run := func(ctx context.Context, name string, args ...string) (string, error) {
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args = oldShape(name, args)
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switch args[0] {
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case "info":
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return "27.0\n", nil
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case "container":
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return "true\tsome-older-spec", nil
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case "image":
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return "", errors.New("no such image")
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case "pull":
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return "", errors.New("manifest unknown")
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case "rm":
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removed = true
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return "", nil
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case "run":
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created = true
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return "deadbeef\n", nil
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}
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return "", nil
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}
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_, _, err := Apply(context.Background(), archHost(t), d, store.State{}, store.OriginCarried, run, nil, nil)
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if removed || created {
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t.Fatalf("the running container was touched although its image is unobtainable (removed=%v created=%v)", removed, created)
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}
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if err == nil {
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t.Fatal("an unobtainable image failed nothing")
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}
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if !strings.Contains(err.Error(), pinned) {
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t.Errorf("the failure does not name the image %s: %v", pinned, err)
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}
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}
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func TestAReplacementImageIsPresentBeforeTheRunningContainerIsRemoved(t *testing.T) {
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d := parseTrusted(t, `{"declaration":1,"resources":[
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{"id":"store","type":"container","name":"store","image":"`+pinned+`","env":{"PGDATA":"/data"}}
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]}`)
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want := containerSpec(d.Resources[0].(*declaration.Container), inputs{})
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var order []string
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created := false
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run := func(ctx context.Context, name string, args ...string) (string, error) {
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args = oldShape(name, args)
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switch args[0] {
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case "info":
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return "27.0\n", nil
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case "container":
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if created {
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return "true\t" + want, nil
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}
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return "true\tsome-older-spec", nil
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case "image":
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order = append(order, "inspect")
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if len(order) == 1 {
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return "", errors.New("no such image")
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}
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return "", nil
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case "pull":
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order = append(order, "pull")
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case "rm":
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order = append(order, "rm")
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case "run":
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order = append(order, "run")
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created = true
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return "deadbeef\n", nil
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}
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return "", nil
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}
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if _, _, err := Apply(context.Background(), archHost(t), d, store.State{}, store.OriginCarried, run, nil, nil); err != nil {
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t.Fatalf("apply failed: %v", err)
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}
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got := strings.Join(order, ",")
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if !strings.HasPrefix(got, "inspect,pull,inspect,rm,run") {
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t.Errorf("order of runtime calls = %s, want the image pulled before rm", got)
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}
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}
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