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Mahmood Ali
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May 9, 2019
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Original file line number | Diff line number | Diff line change |
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package nomadexec | ||
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import ( | ||
"bytes" | ||
"context" | ||
"fmt" | ||
"io" | ||
"reflect" | ||
"regexp" | ||
"testing" | ||
"time" | ||
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"github.com/hashicorp/nomad/api" | ||
"github.com/hashicorp/nomad/e2e/e2eutil" | ||
"github.com/hashicorp/nomad/e2e/framework" | ||
"github.com/hashicorp/nomad/helper/uuid" | ||
dtestutils "github.com/hashicorp/nomad/plugins/drivers/testutils" | ||
"github.com/stretchr/testify/assert" | ||
"github.com/stretchr/testify/require" | ||
) | ||
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type NomadExecE2ETest struct { | ||
framework.TC | ||
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name string | ||
jobFilePath string | ||
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jobID string | ||
alloc api.Allocation | ||
} | ||
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func init() { | ||
framework.AddSuites(&framework.TestSuite{ | ||
Component: "Nomad exec", | ||
CanRunLocal: true, | ||
Cases: []framework.TestCase{ | ||
newNomadExecE2eTest("docker", "./nomadexec/testdata/docker.nomad"), | ||
}, | ||
}) | ||
} | ||
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func newNomadExecE2eTest(name, jobFilePath string) *NomadExecE2ETest { | ||
return &NomadExecE2ETest{ | ||
name: name, | ||
jobFilePath: jobFilePath, | ||
} | ||
} | ||
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func (tc *NomadExecE2ETest) Name() string { | ||
return fmt.Sprintf("%v (%v)", tc.TC.Name(), tc.name) | ||
} | ||
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func (tc *NomadExecE2ETest) BeforeAll(f *framework.F) { | ||
// Ensure cluster has leader before running tests | ||
e2eutil.WaitForLeader(f.T(), tc.Nomad()) | ||
e2eutil.WaitForNodesReady(f.T(), tc.Nomad(), 1) | ||
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// register a job for execing into | ||
tc.jobID = "nomad-exec" + uuid.Generate()[:8] | ||
allocs := e2eutil.RegisterAndWaitForAllocs(f.T(), tc.Nomad(), tc.jobFilePath, tc.jobID) | ||
f.Len(allocs, 1) | ||
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e2eutil.WaitForAllocRunning(f.T(), tc.Nomad(), allocs[0].ID) | ||
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tc.alloc = api.Allocation{ | ||
ID: allocs[0].ID, | ||
Namespace: allocs[0].Namespace, | ||
NodeID: allocs[0].NodeID, | ||
} | ||
} | ||
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func (tc *NomadExecE2ETest) TestExecBasicResponses(f *framework.F) { | ||
for _, c := range dtestutils.ExecTaskStreamingBasicCases { | ||
f.T().Run(c.Name, func(t *testing.T) { | ||
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stdin := newTestStdin(c.Tty, c.Stdin) | ||
var stdout, stderr bytes.Buffer | ||
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resizeCh := make(chan api.TerminalSize) | ||
go func() { | ||
resizeCh <- api.TerminalSize{Height: 100, Width: 100} | ||
}() | ||
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ctx, cancelFn := context.WithTimeout(context.Background(), 15*time.Second) | ||
defer cancelFn() | ||
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exitCode, err := tc.Nomad().Allocations().Exec(ctx, | ||
&tc.alloc, "task", c.Tty, | ||
[]string{"/bin/sh", "-c", c.Command}, | ||
stdin, &stdout, &stderr, | ||
resizeCh, nil) | ||
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require.NoError(t, err) | ||
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assert.Equal(t, c.ExitCode, exitCode) | ||
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switch s := c.Stdout.(type) { | ||
case string: | ||
require.Equal(t, s, stdout.String()) | ||
case *regexp.Regexp: | ||
require.Regexp(t, s, stdout.String()) | ||
case nil: | ||
require.Empty(t, stdout.String()) | ||
default: | ||
require.Fail(t, "unexpected stdout type", "found %v (%v), but expected string or regexp", s, reflect.TypeOf(s)) | ||
} | ||
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switch s := c.Stderr.(type) { | ||
case string: | ||
require.Equal(t, s, stderr.String()) | ||
case *regexp.Regexp: | ||
require.Regexp(t, s, stderr.String()) | ||
case nil: | ||
require.Empty(t, stderr.String()) | ||
default: | ||
require.Fail(t, "unexpected stderr type", "found %v (%v), but expected string or regexp", s, reflect.TypeOf(s)) | ||
} | ||
}) | ||
} | ||
} | ||
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func (tc *NomadExecE2ETest) AfterAll(f *framework.F) { | ||
jobs := tc.Nomad().Jobs() | ||
if tc.jobID != "" { | ||
jobs.Deregister(tc.jobID, true, nil) | ||
} | ||
tc.Nomad().System().GarbageCollect() | ||
} | ||
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func newTestStdin(tty bool, d string) io.Reader { | ||
pr, pw := io.Pipe() | ||
go func() { | ||
pw.Write([]byte(d)) | ||
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// when testing TTY, leave connection open for the entire duration of command | ||
// closing stdin may cause TTY session prematurely before command completes | ||
if !tty { | ||
pw.Close() | ||
} | ||
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}() | ||
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return pr | ||
} |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,20 @@ | ||
job "nomadexec-docker" { | ||
datacenters = ["dc1"] | ||
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group "group" { | ||
task "task" { | ||
driver = "docker" | ||
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config { | ||
image = "busybox:1.29.2" | ||
command = "/bin/sleep" | ||
args = ["1000"] | ||
} | ||
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resources { | ||
cpu = 500 | ||
memory = 256 | ||
} | ||
} | ||
} | ||
} |