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Merge changes for v1.15 release
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| // Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
|
|
||
| "go.amzn.com/lambda/fatalerror" | ||
| "go.amzn.com/lambda/interop" | ||
| "go.amzn.com/lambda/rapidcore/env" | ||
| ) | ||
|
|
||
| // the type implement a simpler version of the Bootstrap | ||
| // this is useful in the Standalone Core implementation. | ||
| type simpleBootstrap struct { | ||
| cmd []string | ||
| workingDir string | ||
| } | ||
|
|
||
| func NewSimpleBootstrap(cmd []string, currentWorkingDir string) interop.Bootstrap { | ||
| if currentWorkingDir == "" { | ||
| // use the root directory as the default working directory | ||
| currentWorkingDir = "/" | ||
| } | ||
|
|
||
| // a single candidate command makes it automatically valid | ||
| return &simpleBootstrap{ | ||
| cmd: cmd, | ||
| workingDir: currentWorkingDir, | ||
| } | ||
| } | ||
|
|
||
| func (b *simpleBootstrap) Cmd() ([]string, error) { | ||
| return b.cmd, nil | ||
| } | ||
|
|
||
| // Cwd returns the working directory of the bootstrap process | ||
| // The path is validated against the chroot identified by `root` | ||
| func (b *simpleBootstrap) Cwd() (string, error) { | ||
| if !filepath.IsAbs(b.workingDir) { | ||
| return "", fmt.Errorf("the working directory '%s' is invalid, it needs to be an absolute path", b.workingDir) | ||
| } | ||
|
|
||
| // evaluate the path relatively to the domain's mnt namespace root | ||
| if _, err := os.Stat(b.workingDir); os.IsNotExist(err) { | ||
| return "", fmt.Errorf("the working directory doesn't exist: %s", b.workingDir) | ||
| } | ||
|
|
||
| return b.workingDir, nil | ||
| } | ||
|
|
||
| // Env returns the environment variables available to | ||
| // the bootstrap process | ||
| func (b *simpleBootstrap) Env(e *env.Environment) map[string]string { | ||
| return e.RuntimeExecEnv() | ||
| } | ||
|
|
||
| // ExtraFiles returns the extra file descriptors apart from 1 & 2 to be passed to runtime | ||
| func (b *simpleBootstrap) ExtraFiles() []*os.File { | ||
| return make([]*os.File, 0) | ||
| } | ||
|
|
||
| func (b *simpleBootstrap) CachedFatalError(err error) (fatalerror.ErrorType, string, bool) { | ||
| // not implemented as it is not needed in Core but we need to fullfil the interface anyway | ||
| return fatalerror.ErrorType(""), "", false | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| // Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| // SPDX-License-Identifier: Apache-2.0 | ||
|
|
||
| package main | ||
|
|
||
| import ( | ||
| "os" | ||
| "reflect" | ||
| "testing" | ||
|
|
||
| "go.amzn.com/lambda/rapidcore/env" | ||
|
|
||
| "github.com/stretchr/testify/assert" | ||
| ) | ||
|
|
||
| func TestSimpleBootstrap(t *testing.T) { | ||
| tmpFile, err := os.CreateTemp("", "oci-test-bootstrap") | ||
| assert.NoError(t, err) | ||
| defer os.Remove(tmpFile.Name()) | ||
|
|
||
| // Setup single cmd candidate | ||
| file := []string{tmpFile.Name(), "--arg1 s", "foo"} | ||
| cmdCandidate := file | ||
|
|
||
| // Setup working dir | ||
| cwd, err := os.Getwd() | ||
| assert.NoError(t, err) | ||
|
|
||
| // Setup environment | ||
| environment := env.NewEnvironment() | ||
| environment.StoreRuntimeAPIEnvironmentVariable("host:port") | ||
| environment.StoreEnvironmentVariablesFromInit(map[string]string{}, "", "", "", "", "", "") | ||
|
|
||
| // Test | ||
| b := NewSimpleBootstrap(cmdCandidate, cwd) | ||
| bCwd, err := b.Cwd() | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, cwd, bCwd) | ||
| assert.True(t, reflect.DeepEqual(environment.RuntimeExecEnv(), b.Env(environment))) | ||
|
|
||
| cmd, err := b.Cmd() | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, file, cmd) | ||
| } | ||
|
|
||
| func TestSimpleBootstrapCmdNonExistingCandidate(t *testing.T) { | ||
| // Setup inexistent single cmd candidate | ||
| file := []string{"/foo/bar", "--arg1 s", "foo"} | ||
| cmdCandidate := file | ||
|
|
||
| // Setup working dir | ||
| cwd, err := os.Getwd() | ||
| assert.NoError(t, err) | ||
|
|
||
| // Setup environment | ||
| environment := env.NewEnvironment() | ||
| environment.StoreRuntimeAPIEnvironmentVariable("host:port") | ||
| environment.StoreEnvironmentVariablesFromInit(map[string]string{}, "", "", "", "", "", "") | ||
|
|
||
| // Test | ||
| b := NewSimpleBootstrap(cmdCandidate, cwd) | ||
| bCwd, err := b.Cwd() | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, cwd, bCwd) | ||
| assert.True(t, reflect.DeepEqual(environment.RuntimeExecEnv(), b.Env(environment))) | ||
|
|
||
| // No validations run against single candidates | ||
| cmd, err := b.Cmd() | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, file, cmd) | ||
| } | ||
|
|
||
| func TestSimpleBootstrapCmdDefaultWorkingDir(t *testing.T) { | ||
| b := NewSimpleBootstrap([]string{}, "") | ||
| bCwd, err := b.Cwd() | ||
| assert.NoError(t, err) | ||
| assert.Equal(t, "/", bCwd) | ||
| } |
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