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e2e: add e2e test for alloc restart zombies
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// Copyright (c) HashiCorp, Inc. | ||
// SPDX-License-Identifier: MPL-2.0 | ||
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package clientstate | ||
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import ( | ||
"testing" | ||
"time" | ||
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"github.com/hashicorp/nomad/e2e/e2eutil" | ||
"github.com/hashicorp/nomad/helper/uuid" | ||
"github.com/shoenig/test/must" | ||
"github.com/shoenig/test/wait" | ||
) | ||
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func TestClientAllocs(t *testing.T) { | ||
nomad := e2eutil.NomadClient(t) | ||
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e2eutil.WaitForLeader(t, nomad) | ||
e2eutil.WaitForNodesReady(t, nomad, 1) | ||
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t.Run("testAllocZombie", testAllocZombie) | ||
} | ||
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// testAllocZombie ensures that a restart of a dead allocation does not cause | ||
// it to come back to life in a not-quite alive state. | ||
// | ||
// https://github.com/hashicorp/nomad/issues/17079 | ||
func testAllocZombie(t *testing.T) { | ||
nomad := e2eutil.NomadClient(t) | ||
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jobID := "alloc-zombie-" + uuid.Short() | ||
jobIDs := []string{jobID} | ||
t.Cleanup(e2eutil.CleanupJobsAndGC(t, &jobIDs)) | ||
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// start the job and wait for alloc to become failed | ||
err := e2eutil.Register(jobID, "./input/alloc_zombie.nomad") | ||
must.NoError(t, err) | ||
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allocID := e2eutil.SingleAllocID(t, jobID, "", 0) | ||
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// wait for alloc to be marked as failed | ||
e2eutil.WaitForAllocStatus(t, nomad, allocID, "failed") | ||
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// wait for additional failures to know we got rescheduled | ||
must.Wait(t, wait.InitialSuccess( | ||
wait.BoolFunc(func() bool { | ||
statuses, err := e2eutil.AllocStatusesRescheduled(jobID, "") | ||
must.NoError(t, err) | ||
return len(statuses) > 2 | ||
}), | ||
wait.Timeout(1*time.Minute), | ||
wait.Gap(1*time.Second), | ||
)) | ||
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// now attempt to restart our initial allocation | ||
// which should do nothing but give us an error | ||
output, err := e2eutil.Command("nomad", "alloc", "restart", allocID) | ||
must.ErrorContains(t, err, "restart of an alloc that should not run") | ||
must.StrContains(t, output, "Failed to restart allocation") | ||
} |
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# Copyright (c) HashiCorp, Inc. | ||
# SPDX-License-Identifier: MPL-2.0 | ||
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job "alloc_zombie" { | ||
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group "group" { | ||
network { | ||
mode = "host" | ||
port "http" {} | ||
} | ||
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service { | ||
name = "alloczombie" | ||
port = "http" | ||
provider = "nomad" | ||
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check { | ||
name = "alloczombiecheck" | ||
type = "http" | ||
port = "http" | ||
path = "/does/not/exist.txt" | ||
interval = "2s" | ||
timeout = "1s" | ||
check_restart { | ||
limit = 1 | ||
grace = "3s" | ||
} | ||
} | ||
} | ||
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reschedule { | ||
attempts = 3 | ||
interval = "1m" | ||
delay = "5s" | ||
delay_function = "constant" | ||
unlimited = false | ||
} | ||
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restart { | ||
attempts = 0 | ||
delay = "5s" | ||
mode = "fail" | ||
} | ||
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task "python" { | ||
driver = "raw_exec" | ||
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config { | ||
command = "python3" | ||
args = ["-m", "http.server", "${NOMAD_PORT_http}", "--directory", "/tmp"] | ||
} | ||
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resources { | ||
cpu = 10 | ||
memory = 64 | ||
} | ||
} | ||
} | ||
} |