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119 lines
3 KiB
Go
119 lines
3 KiB
Go
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/docker/pkg/stringutils"
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)
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type f struct {
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file string
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entrypoint *stringutils.StrSlice
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}
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func TestDecodeContainerConfig(t *testing.T) {
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var (
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fixtures []f
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image string
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)
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if runtime.GOOS != "windows" {
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image = "ubuntu"
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fixtures = []f{
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{"fixtures/unix/container_config_1_14.json", stringutils.NewStrSlice()},
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{"fixtures/unix/container_config_1_17.json", stringutils.NewStrSlice("bash")},
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{"fixtures/unix/container_config_1_19.json", stringutils.NewStrSlice("bash")},
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}
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} else {
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image = "windows"
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fixtures = []f{
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{"fixtures/windows/container_config_1_19.json", stringutils.NewStrSlice("cmd")},
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}
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}
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for _, f := range fixtures {
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b, err := ioutil.ReadFile(f.file)
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if err != nil {
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t.Fatal(err)
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}
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c, h, err := DecodeContainerConfig(bytes.NewReader(b))
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if err != nil {
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t.Fatal(fmt.Errorf("Error parsing %s: %v", f, err))
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}
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if c.Image != image {
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t.Fatalf("Expected %s image, found %s\n", image, c.Image)
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}
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if c.Entrypoint.Len() != f.entrypoint.Len() {
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t.Fatalf("Expected %v, found %v\n", f.entrypoint, c.Entrypoint)
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}
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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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}
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// TestDecodeContainerConfigIsolation validates the isolation level passed
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// to the daemon in the hostConfig structure. Note this is platform specific
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// as to what level of container isolation is supported.
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func TestDecodeContainerConfigIsolation(t *testing.T) {
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// 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"`) {
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t.Fatal(err)
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}
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}
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// Blank isolation level (== 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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}
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// Default isolation level
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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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}
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// Hyper-V Containers isolation level (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")
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}
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} else {
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if _, _, err := callDecodeContainerConfigIsolation("hyperv"); err != nil {
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if !strings.Contains(err.Error(), `invalid --isolation: "hyperv"`) {
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t.Fatal(err)
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}
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}
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}
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}
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// callDecodeContainerConfigIsolation is a utility function to call
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// DecodeContainerConfig for validating isolation levels
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func callDecodeContainerConfigIsolation(isolation string) (*Config, *HostConfig, error) {
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var (
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b []byte
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err error
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)
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w := ContainerConfigWrapper{
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Config: &Config{},
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HostConfig: &HostConfig{
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NetworkMode: "none",
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Isolation: IsolationLevel(isolation)},
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}
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if b, err = json.Marshal(w); err != nil {
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return nil, nil, fmt.Errorf("Error on marshal %s", err.Error())
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}
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return DecodeContainerConfig(bytes.NewReader(b))
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}
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