111 lines
2.9 KiB
Go
111 lines
2.9 KiB
Go
//go:build !windows
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// +build !windows
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package daemon
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import (
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"os"
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"path/filepath"
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"testing"
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v2runcoptions "github.com/containerd/containerd/runtime/v2/runc/options"
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"gotest.tools/v3/assert"
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is "gotest.tools/v3/assert/cmp"
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"github.com/docker/docker/api/types"
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"github.com/docker/docker/daemon/config"
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"github.com/docker/docker/errdefs"
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)
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func TestGetRuntime(t *testing.T) {
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// Configured runtimes can have any arbitrary name, including names
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// which would not be allowed as implicit runtime names. Explicit takes
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// precedence over implicit.
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const configuredRtName = "my/custom.shim.v1"
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configuredRuntime := types.Runtime{Path: "/bin/true"}
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cfg, err := config.New()
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assert.NilError(t, err)
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d := &Daemon{configStore: cfg}
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d.configStore.Root = t.TempDir()
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assert.Assert(t, os.Mkdir(filepath.Join(d.configStore.Root, "runtimes"), 0700))
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d.configStore.Runtimes = map[string]types.Runtime{
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configuredRtName: configuredRuntime,
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}
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configureRuntimes(d.configStore)
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assert.Assert(t, d.loadRuntimes())
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stockRuntime, ok := d.configStore.Runtimes[config.StockRuntimeName]
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assert.Assert(t, ok, "stock runtime could not be found (test needs to be updated)")
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configdOpts := *stockRuntime.Shim.Opts.(*v2runcoptions.Options)
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configdOpts.BinaryName = configuredRuntime.Path
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wantConfigdRuntime := configuredRuntime
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wantConfigdRuntime.Shim = &types.ShimConfig{
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Binary: stockRuntime.Shim.Binary,
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Opts: &configdOpts,
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}
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for _, tt := range []struct {
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name, runtime string
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want *types.Runtime
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}{
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{
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name: "StockRuntime",
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runtime: config.StockRuntimeName,
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want: &stockRuntime,
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},
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{
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name: "ShimName",
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runtime: "io.containerd.my-shim.v42",
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want: &types.Runtime{Shim: &types.ShimConfig{Binary: "io.containerd.my-shim.v42"}},
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},
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{
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// containerd is pretty loose about the format of runtime names. Perhaps too
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// loose. The only requirements are that the name contain a dot and (depending
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// on the containerd version) not start with a dot. It does not enforce any
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// particular format of the dot-delimited components of the name.
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name: "VersionlessShimName",
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runtime: "io.containerd.my-shim",
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want: &types.Runtime{Shim: &types.ShimConfig{Binary: "io.containerd.my-shim"}},
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},
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{
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name: "IllformedShimName",
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runtime: "myshim",
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},
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{
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name: "EmptyString",
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runtime: "",
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},
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{
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name: "PathToShim",
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runtime: "/path/to/runc",
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},
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{
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name: "PathToShimName",
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runtime: "/path/to/io.containerd.runc.v2",
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},
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{
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name: "RelPathToShim",
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runtime: "my/io.containerd.runc.v2",
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},
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{
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name: "ConfiguredRuntime",
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runtime: configuredRtName,
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want: &wantConfigdRuntime,
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},
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} {
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tt := tt
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t.Run(tt.name, func(t *testing.T) {
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got, err := d.getRuntime(tt.runtime)
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assert.Check(t, is.DeepEqual(got, tt.want))
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if tt.want != nil {
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assert.Check(t, err)
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} else {
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assert.Check(t, errdefs.IsInvalidParameter(err))
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}
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})
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}
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}
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