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package runconfig |
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import ( |
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"bytes" |
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"encoding/json" |
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"fmt" |
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"io/ioutil" |
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"runtime" |
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"strings" |
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"testing"
|
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"github.com/docker/engine-api/types/container" |
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networktypes "github.com/docker/engine-api/types/network" |
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"github.com/docker/engine-api/types/strslice" |
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) |
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|
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type f struct {
file string |
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entrypoint strslice.StrSlice |
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}
|
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func TestDecodeContainerConfig(t *testing.T) { |
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var (
fixtures []f
image string
)
if runtime.GOOS != "windows" {
image = "ubuntu"
fixtures = []f{ |
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{"fixtures/unix/container_config_1_14.json", strslice.StrSlice{}},
{"fixtures/unix/container_config_1_17.json", strslice.StrSlice{"bash"}},
{"fixtures/unix/container_config_1_19.json", strslice.StrSlice{"bash"}}, |
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}
} else {
image = "windows"
fixtures = []f{ |
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{"fixtures/windows/container_config_1_19.json", strslice.StrSlice{"cmd"}}, |
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} |
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}
for _, f := range fixtures {
b, err := ioutil.ReadFile(f.file)
if err != nil {
t.Fatal(err)
}
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c, h, _, err := DecodeContainerConfig(bytes.NewReader(b)) |
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if err != nil {
t.Fatal(fmt.Errorf("Error parsing %s: %v", f, err))
} |
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|
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if c.Image != image {
t.Fatalf("Expected %s image, found %s\n", image, c.Image) |
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}
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if len(c.Entrypoint) != len(f.entrypoint) { |
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t.Fatalf("Expected %v, found %v\n", f.entrypoint, c.Entrypoint)
}
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if h != nil && h.Memory != 1000 { |
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t.Fatalf("Expected memory to be 1000, found %d\n", h.Memory)
}
} |
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} |
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|
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// TestDecodeContainerConfigIsolation validates isolation passed |
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// to the daemon in the hostConfig structure. Note this is platform specific
// as to what level of container isolation is supported.
func TestDecodeContainerConfigIsolation(t *testing.T) {
// An invalid isolation level |
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if _, _, _, err := callDecodeContainerConfigIsolation("invalid"); err != nil { |
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if !strings.Contains(err.Error(), `invalid --isolation: "invalid"`) {
t.Fatal(err)
}
}
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// Blank isolation (== default) |
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if _, _, _, err := callDecodeContainerConfigIsolation(""); err != nil { |
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t.Fatal("Blank isolation should have succeeded")
}
|
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// Default isolation |
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if _, _, _, err := callDecodeContainerConfigIsolation("default"); err != nil { |
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t.Fatal("default isolation should have succeeded")
}
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// Process isolation (Valid on Windows only)
if runtime.GOOS == "windows" {
if _, _, _, err := callDecodeContainerConfigIsolation("process"); err != nil {
t.Fatal("process isolation should have succeeded")
}
} else {
if _, _, _, err := callDecodeContainerConfigIsolation("process"); err != nil {
if !strings.Contains(err.Error(), `invalid --isolation: "process"`) {
t.Fatal(err)
}
}
}
// Hyper-V Containers isolation (Valid on Windows only) |
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if runtime.GOOS == "windows" { |
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if _, _, _, err := callDecodeContainerConfigIsolation("hyperv"); err != nil { |
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t.Fatal("hyperv isolation should have succeeded")
}
} else { |
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if _, _, _, err := callDecodeContainerConfigIsolation("hyperv"); err != nil { |
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if !strings.Contains(err.Error(), `invalid --isolation: "hyperv"`) {
t.Fatal(err)
}
}
}
}
// callDecodeContainerConfigIsolation is a utility function to call |
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// DecodeContainerConfig for validating isolation |
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func callDecodeContainerConfigIsolation(isolation string) (*container.Config, *container.HostConfig, *networktypes.NetworkingConfig, error) { |
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var (
b []byte
err error
)
w := ContainerConfigWrapper{ |
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Config: &container.Config{},
HostConfig: &container.HostConfig{ |
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NetworkMode: "none", |
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Isolation: container.Isolation(isolation)}, |
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}
if b, err = json.Marshal(w); err != nil { |
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return nil, nil, nil, fmt.Errorf("Error on marshal %s", err.Error()) |
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}
return DecodeContainerConfig(bytes.NewReader(b))
} |