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authorOpenShift Merge Robot <openshift-merge-robot@users.noreply.github.com>2019-05-03 01:30:13 +0200
committerGitHub <noreply@github.com>2019-05-03 01:30:13 +0200
commitf3c494eb2824d6c12bdefe2266eab4f6d656005a (patch)
tree9d2ca9f4c336f74eeb1941b7238eea35adb05cf0 /cmd/podman
parent139eeb3eb3c86555d53e20a19408a6391d3e04b5 (diff)
parentbb564b68e163dfa96ba5533ed3255a338ccfe6e6 (diff)
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Merge pull request #2959 from mheon/merge_volume_flags
Merge volume flags implementation
Diffstat (limited to 'cmd/podman')
-rw-r--r--cmd/podman/play_kube.go6
-rw-r--r--cmd/podman/run_test.go162
-rw-r--r--cmd/podman/shared/create.go58
-rw-r--r--cmd/podman/shared/create_cli.go184
4 files changed, 22 insertions, 388 deletions
diff --git a/cmd/podman/play_kube.go b/cmd/podman/play_kube.go
index 967798399..e778bafb9 100644
--- a/cmd/podman/play_kube.go
+++ b/cmd/podman/play_kube.go
@@ -205,7 +205,8 @@ func playKubeYAMLCmd(c *cliconfig.KubePlayValues, ctx context.Context, runtime *
return pod, errors.Errorf("Directories are the only supported HostPath type")
}
}
- if err := shared.ValidateVolumeHostDir(hostPath.Path); err != nil {
+
+ if err := createconfig.ValidateVolumeHostDir(hostPath.Path); err != nil {
return pod, errors.Wrapf(err, "Error in parsing HostPath in YAML")
}
volumes[volume.Name] = hostPath.Path
@@ -281,7 +282,6 @@ func kubeContainerToCreateConfig(ctx context.Context, containerYAML v1.Container
// The default for MemorySwappiness is -1, not 0
containerConfig.Resources.MemorySwappiness = -1
- containerConfig.Runtime = runtime
containerConfig.Image = containerYAML.Image
containerConfig.ImageID = newImage.ID()
containerConfig.Name = containerYAML.Name
@@ -352,7 +352,7 @@ func kubeContainerToCreateConfig(ctx context.Context, containerYAML v1.Container
if !exists {
return nil, errors.Errorf("Volume mount %s specified for container but not configured in volumes", volume.Name)
}
- if err := shared.ValidateVolumeCtrDir(volume.MountPath); err != nil {
+ if err := createconfig.ValidateVolumeCtrDir(volume.MountPath); err != nil {
return nil, errors.Wrapf(err, "error in parsing MountPath")
}
containerConfig.Volumes = append(containerConfig.Volumes, fmt.Sprintf("%s:%s", host_path, volume.MountPath))
diff --git a/cmd/podman/run_test.go b/cmd/podman/run_test.go
deleted file mode 100644
index af9e6923c..000000000
--- a/cmd/podman/run_test.go
+++ /dev/null
@@ -1,162 +0,0 @@
-package main
-
-import (
- "runtime"
- "testing"
-
- "github.com/containers/libpod/cmd/podman/cliconfig"
- "github.com/containers/libpod/cmd/podman/shared"
- "github.com/containers/libpod/pkg/inspect"
- cc "github.com/containers/libpod/pkg/spec"
- "github.com/containers/libpod/pkg/sysinfo"
- "github.com/docker/go-units"
- ociv1 "github.com/opencontainers/image-spec/specs-go/v1"
- spec "github.com/opencontainers/runtime-spec/specs-go"
- "github.com/spf13/cobra"
- "github.com/stretchr/testify/assert"
-)
-
-var (
- sysInfo = sysinfo.New(true)
- cmd = []string{"podman", "test", "alpine"}
- CLI *cliconfig.PodmanCommand
-)
-
-// generates a mocked ImageData structure based on alpine
-func generateAlpineImageData() *inspect.ImageData {
- config := &ociv1.ImageConfig{
- User: "",
- ExposedPorts: nil,
- Env: []string{"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"},
- Entrypoint: []string{},
- Cmd: []string{"/bin/sh"},
- Volumes: nil,
- WorkingDir: "",
- Labels: nil,
- StopSignal: "",
- }
-
- data := &inspect.ImageData{
- ID: "e21c333399e0aeedfd70e8827c9fba3f8e9b170ef8a48a29945eb7702bf6aa5f",
- RepoTags: []string{"docker.io/library/alpine:latest"},
- RepoDigests: []string{"docker.io/library/alpine@sha256:5cb04fce748f576d7b72a37850641de8bd725365519673c643ef2d14819b42c6"},
- Comment: "Created:2017-12-01 18:48:48.949613376 +0000",
- Author: "",
- Architecture: "amd64",
- Os: "linux",
- Version: "17.06.2-ce",
- Config: config,
- }
- return data
-}
-
-// sets a global CLI
-func testCmd(c *cobra.Command) error {
- CLI = &cliconfig.PodmanCommand{Command: c}
- return nil
-}
-
-// creates the mocked cli pointing to our create flags
-// global flags like log-level are not implemented
-func createCLI(args []string) *cliconfig.PodmanCommand {
- var testCommand = &cliconfig.PodmanCommand{
- Command: &cobra.Command{
- Use: "test",
- RunE: func(cmd *cobra.Command, args []string) error {
- return testCmd(cmd)
- },
- },
- }
- rootCmd := testCommand
- getCreateFlags(rootCmd)
- rootCmd.ParseFlags(args)
- return rootCmd
-}
-
-func getRuntimeSpec(c *cliconfig.PodmanCommand) (*spec.Spec, error) {
- /*
- TODO: This test has never worked. Need to install content
- runtime, err := getRuntime(c)
- if err != nil {
- return nil, err
- }
- createConfig, err := parseCreateOpts(c, runtime, "alpine", generateAlpineImageData())
- */
- ctx := getContext()
- genericResults := shared.NewIntermediateLayer(c, false)
- createConfig, err := shared.ParseCreateOpts(ctx, &genericResults, nil, "alpine", generateAlpineImageData())
- if err != nil {
- return nil, err
- }
- runtimeSpec, err := cc.CreateConfigToOCISpec(createConfig)
- if err != nil {
- return nil, err
- }
- return runtimeSpec, nil
-}
-
-// TestPIDsLimit verifies the inputted pid-limit is correctly defined in the spec
-func TestPIDsLimit(t *testing.T) {
- // The default configuration of podman enables seccomp, which is not available on non-Linux systems.
- // Thus, any tests that use the default seccomp setting would fail.
- // Skip the tests on non-Linux platforms rather than explicitly disable seccomp in the test and possibly affect the test result.
- if runtime.GOOS != "linux" {
- t.Skip("seccomp, which is enabled by default, is only supported on Linux")
- }
- if !sysInfo.PidsLimit {
- t.Skip("running test not supported by the host system")
- }
- args := []string{"--pids-limit", "22"}
- a := createCLI(args)
- a.InputArgs = args
- //a.Run(append(cmd, args...))
- runtimeSpec, err := getRuntimeSpec(a)
- if err != nil {
- t.Fatalf(err.Error())
- }
- assert.Equal(t, runtimeSpec.Linux.Resources.Pids.Limit, int64(22))
-}
-
-// TestBLKIOWeightDevice verifies the inputted blkio weigh device is correctly defined in the spec
-func TestBLKIOWeightDevice(t *testing.T) {
- // The default configuration of podman enables seccomp, which is not available on non-Linux systems.
- // Thus, any tests that use the default seccomp setting would fail.
- // Skip the tests on non-Linux platforms rather than explicitly disable seccomp in the test and possibly affect the test result.
- if runtime.GOOS != "linux" {
- t.Skip("seccomp, which is enabled by default, is only supported on Linux")
- }
- if !sysInfo.BlkioWeightDevice {
- t.Skip("running test not supported by the host system")
- }
- args := []string{"--blkio-weight-device", "/dev/zero:100"}
- a := createCLI(args)
- a.InputArgs = args
- runtimeSpec, err := getRuntimeSpec(a)
- if err != nil {
- t.Fatalf(err.Error())
- }
- assert.Equal(t, *runtimeSpec.Linux.Resources.BlockIO.WeightDevice[0].Weight, uint16(100))
-}
-
-// TestMemorySwap verifies that the inputted memory swap is correctly defined in the spec
-func TestMemorySwap(t *testing.T) {
- // The default configuration of podman enables seccomp, which is not available on non-Linux systems.
- // Thus, any tests that use the default seccomp setting would fail.
- // Skip the tests on non-Linux platforms rather than explicitly disable seccomp in the test and possibly affect the test result.
- if runtime.GOOS != "linux" {
- t.Skip("seccomp, which is enabled by default, is only supported on Linux")
- }
- if !sysInfo.SwapLimit {
- t.Skip("running test not supported by the host system")
- }
- args := []string{"--memory-swap", "45m", "--memory", "40m"}
- a := createCLI(args)
- a.InputArgs = args
- //a.Run(append(cmd, args...))
- runtimeSpec, err := getRuntimeSpec(a)
- if err != nil {
- t.Fatalf(err.Error())
- }
- mem, _ := units.RAMInBytes("45m")
- assert.Equal(t, *runtimeSpec.Linux.Resources.Memory.Swap, mem)
-}
diff --git a/cmd/podman/shared/create.go b/cmd/podman/shared/create.go
index eac2d044d..81566326b 100644
--- a/cmd/podman/shared/create.go
+++ b/cmd/podman/shared/create.go
@@ -25,7 +25,6 @@ import (
"github.com/docker/go-connections/nat"
"github.com/docker/go-units"
"github.com/google/shlex"
- spec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/opencontainers/selinux/go-selinux/label"
"github.com/opentracing/opentracing-go"
"github.com/pkg/errors"
@@ -114,6 +113,7 @@ func CreateContainer(ctx context.Context, c *GenericCLIResults, runtime *libpod.
}
}
}
+
createConfig, err := ParseCreateOpts(ctx, c, runtime, imageName, data)
if err != nil {
return nil, nil, err
@@ -123,7 +123,16 @@ func CreateContainer(ctx context.Context, c *GenericCLIResults, runtime *libpod.
// at this point. The rest is done by WithOptions.
createConfig.HealthCheck = healthCheck
- ctr, err := CreateContainerFromCreateConfig(runtime, createConfig, ctx, nil)
+ // TODO: Should be able to return this from ParseCreateOpts
+ var pod *libpod.Pod
+ if createConfig.Pod != "" {
+ pod, err = runtime.LookupPod(createConfig.Pod)
+ if err != nil {
+ return nil, nil, errors.Wrapf(err, "error looking up pod to join")
+ }
+ }
+
+ ctr, err := CreateContainerFromCreateConfig(runtime, createConfig, ctx, pod)
if err != nil {
return nil, nil, err
}
@@ -139,7 +148,7 @@ func CreateContainer(ctx context.Context, c *GenericCLIResults, runtime *libpod.
return ctr, createConfig, nil
}
-func parseSecurityOpt(config *cc.CreateConfig, securityOpts []string) error {
+func parseSecurityOpt(config *cc.CreateConfig, securityOpts []string, runtime *libpod.Runtime) error {
var (
labelOpts []string
)
@@ -147,7 +156,7 @@ func parseSecurityOpt(config *cc.CreateConfig, securityOpts []string) error {
if config.PidMode.IsHost() {
labelOpts = append(labelOpts, label.DisableSecOpt()...)
} else if config.PidMode.IsContainer() {
- ctr, err := config.Runtime.LookupContainer(config.PidMode.Container())
+ ctr, err := runtime.LookupContainer(config.PidMode.Container())
if err != nil {
return errors.Wrapf(err, "container %q not found", config.PidMode.Container())
}
@@ -161,7 +170,7 @@ func parseSecurityOpt(config *cc.CreateConfig, securityOpts []string) error {
if config.IpcMode.IsHost() {
labelOpts = append(labelOpts, label.DisableSecOpt()...)
} else if config.IpcMode.IsContainer() {
- ctr, err := config.Runtime.LookupContainer(config.IpcMode.Container())
+ ctr, err := runtime.LookupContainer(config.IpcMode.Container())
if err != nil {
return errors.Wrapf(err, "container %q not found", config.IpcMode.Container())
}
@@ -331,18 +340,6 @@ func ParseCreateOpts(ctx context.Context, c *GenericCLIResults, runtime *libpod.
}
blkioWeight = uint16(u)
}
- var mountList []spec.Mount
- if mountList, err = parseMounts(c.StringArray("mount")); err != nil {
- return nil, err
- }
-
- if err = parseVolumes(c.StringArray("volume")); err != nil {
- return nil, err
- }
-
- if err = parseVolumesFrom(c.StringSlice("volumes-from")); err != nil {
- return nil, err
- }
tty := c.Bool("tty")
@@ -604,7 +601,6 @@ func ParseCreateOpts(ctx context.Context, c *GenericCLIResults, runtime *libpod.
memorySwappiness := c.Int64("memory-swappiness")
config := &cc.CreateConfig{
- Runtime: runtime,
Annotations: annotations,
BuiltinImgVolumes: ImageVolumes,
ConmonPidFile: c.String("conmon-pidfile"),
@@ -627,6 +623,8 @@ func ParseCreateOpts(ctx context.Context, c *GenericCLIResults, runtime *libpod.
HTTPProxy: c.Bool("http-proxy"),
NoHosts: c.Bool("no-hosts"),
IDMappings: idmappings,
+ Init: c.Bool("init"),
+ InitPath: c.String("init-path"),
Image: imageName,
ImageID: imageID,
Interactive: c.Bool("interactive"),
@@ -687,31 +685,18 @@ func ParseCreateOpts(ctx context.Context, c *GenericCLIResults, runtime *libpod.
Tty: tty,
User: user,
UsernsMode: usernsMode,
- Mounts: mountList,
+ MountsFlag: c.StringArray("mount"),
Volumes: c.StringArray("volume"),
WorkDir: workDir,
Rootfs: rootfs,
VolumesFrom: c.StringSlice("volumes-from"),
Syslog: c.Bool("syslog"),
}
- if c.Bool("init") {
- initPath := c.String("init-path")
- if initPath == "" {
- rtc, err := runtime.GetConfig()
- if err != nil {
- return nil, err
- }
- initPath = rtc.InitPath
- }
- if err := config.AddContainerInitBinary(initPath); err != nil {
- return nil, err
- }
- }
if config.Privileged {
config.LabelOpts = label.DisableSecOpt()
} else {
- if err := parseSecurityOpt(config, c.StringArray("security-opt")); err != nil {
+ if err := parseSecurityOpt(config, c.StringArray("security-opt"), runtime); err != nil {
return nil, err
}
}
@@ -727,12 +712,7 @@ func ParseCreateOpts(ctx context.Context, c *GenericCLIResults, runtime *libpod.
}
func CreateContainerFromCreateConfig(r *libpod.Runtime, createConfig *cc.CreateConfig, ctx context.Context, pod *libpod.Pod) (*libpod.Container, error) {
- runtimeSpec, err := cc.CreateConfigToOCISpec(createConfig)
- if err != nil {
- return nil, err
- }
-
- options, err := createConfig.GetContainerCreateOptions(r, pod)
+ runtimeSpec, options, err := createConfig.MakeContainerConfig(r, pod)
if err != nil {
return nil, err
}
diff --git a/cmd/podman/shared/create_cli.go b/cmd/podman/shared/create_cli.go
index 4f9cb1699..f731e8db5 100644
--- a/cmd/podman/shared/create_cli.go
+++ b/cmd/podman/shared/create_cli.go
@@ -2,15 +2,11 @@ package shared
import (
"fmt"
- "os"
- "path/filepath"
"strings"
"github.com/containers/libpod/cmd/podman/shared/parse"
cc "github.com/containers/libpod/pkg/spec"
"github.com/containers/libpod/pkg/sysinfo"
- "github.com/docker/go-units"
- spec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
@@ -78,186 +74,6 @@ func addWarning(warnings []string, msg string) []string {
return append(warnings, msg)
}
-// Format supported.
-// podman run --mount type=bind,src=/etc/resolv.conf,target=/etc/resolv.conf ...
-// podman run --mount type=tmpfs,target=/dev/shm ..
-func parseMounts(mounts []string) ([]spec.Mount, error) {
- // TODO(vrothberg): the manual parsing can be replaced with a regular expression
- // to allow a more robust parsing of the mount format and to give
- // precise errors regarding supported format versus suppored options.
- var mountList []spec.Mount
- errInvalidSyntax := errors.Errorf("incorrect mount format: should be --mount type=<bind|tmpfs>,[src=<host-dir>,]target=<ctr-dir>[,options]")
- for _, mount := range mounts {
- var tokenCount int
- var mountInfo spec.Mount
-
- arr := strings.SplitN(mount, ",", 2)
- if len(arr) < 2 {
- return nil, errors.Wrapf(errInvalidSyntax, "%q", mount)
- }
- kv := strings.Split(arr[0], "=")
- if kv[0] != "type" {
- return nil, errors.Wrapf(errInvalidSyntax, "%q", mount)
- }
- switch kv[1] {
- case "bind":
- mountInfo.Type = string(cc.TypeBind)
- case "tmpfs":
- mountInfo.Type = string(cc.TypeTmpfs)
- mountInfo.Source = string(cc.TypeTmpfs)
- mountInfo.Options = append(mountInfo.Options, []string{"rprivate", "noexec", "nosuid", "nodev", "size=65536k"}...)
-
- default:
- return nil, errors.Errorf("invalid filesystem type %q", kv[1])
- }
-
- tokens := strings.Split(arr[1], ",")
- for i, val := range tokens {
- if i == (tokenCount - 1) {
- //Parse tokens before options.
- break
- }
- kv := strings.Split(val, "=")
- switch kv[0] {
- case "ro", "nosuid", "nodev", "noexec":
- mountInfo.Options = append(mountInfo.Options, kv[0])
- case "shared", "rshared", "private", "rprivate", "slave", "rslave", "Z", "z":
- if mountInfo.Type != "bind" {
- return nil, errors.Errorf("%s can only be used with bind mounts", kv[0])
- }
- mountInfo.Options = append(mountInfo.Options, kv[0])
- case "tmpfs-mode":
- if mountInfo.Type != "tmpfs" {
- return nil, errors.Errorf("%s can only be used with tmpfs mounts", kv[0])
- }
- mountInfo.Options = append(mountInfo.Options, fmt.Sprintf("mode=%s", kv[1]))
- case "tmpfs-size":
- if mountInfo.Type != "tmpfs" {
- return nil, errors.Errorf("%s can only be used with tmpfs mounts", kv[0])
- }
- shmSize, err := units.FromHumanSize(kv[1])
- if err != nil {
- return nil, errors.Wrapf(err, "unable to translate tmpfs-size")
- }
-
- mountInfo.Options = append(mountInfo.Options, fmt.Sprintf("size=%d", shmSize))
-
- case "bind-propagation":
- if mountInfo.Type != "bind" {
- return nil, errors.Errorf("%s can only be used with bind mounts", kv[0])
- }
- mountInfo.Options = append(mountInfo.Options, kv[1])
- case "src", "source":
- if mountInfo.Type == "tmpfs" {
- return nil, errors.Errorf("cannot use src= on a tmpfs file system")
- }
- if err := ValidateVolumeHostDir(kv[1]); err != nil {
- return nil, err
- }
- mountInfo.Source = kv[1]
- case "target", "dst", "destination":
- if err := ValidateVolumeCtrDir(kv[1]); err != nil {
- return nil, err
- }
- mountInfo.Destination = kv[1]
- default:
- return nil, errors.Errorf("incorrect mount option : %s", kv[0])
- }
- }
- mountList = append(mountList, mountInfo)
- }
- return mountList, nil
-}
-
-func parseVolumes(volumes []string) error {
- for _, volume := range volumes {
- arr := strings.SplitN(volume, ":", 3)
- if len(arr) < 2 {
- return errors.Errorf("incorrect volume format %q, should be host-dir:ctr-dir[:option]", volume)
- }
- if err := ValidateVolumeHostDir(arr[0]); err != nil {
- return err
- }
- if err := ValidateVolumeCtrDir(arr[1]); err != nil {
- return err
- }
- if len(arr) > 2 {
- if err := validateVolumeOpts(arr[2]); err != nil {
- return err
- }
- }
- }
- return nil
-}
-
-func parseVolumesFrom(volumesFrom []string) error {
- for _, vol := range volumesFrom {
- arr := strings.SplitN(vol, ":", 2)
- if len(arr) == 2 {
- if strings.Contains(arr[1], "Z") || strings.Contains(arr[1], "private") || strings.Contains(arr[1], "slave") || strings.Contains(arr[1], "shared") {
- return errors.Errorf("invalid options %q, can only specify 'ro', 'rw', and 'z", arr[1])
- }
- if err := validateVolumeOpts(arr[1]); err != nil {
- return err
- }
- }
- }
- return nil
-}
-
-// ValidateVolumeHostDir ...
-func ValidateVolumeHostDir(hostDir string) error {
- if len(hostDir) == 0 {
- return errors.Errorf("host directory cannot be empty")
- }
- if filepath.IsAbs(hostDir) {
- if _, err := os.Stat(hostDir); err != nil {
- return errors.Wrapf(err, "error checking path %q", hostDir)
- }
- }
- // If hostDir is not an absolute path, that means the user wants to create a
- // named volume. This will be done later on in the code.
- return nil
-}
-
-// ValidateVolumeCtrDir ...
-func ValidateVolumeCtrDir(ctrDir string) error {
- if len(ctrDir) == 0 {
- return errors.Errorf("container directory cannot be empty")
- }
- if !filepath.IsAbs(ctrDir) {
- return errors.Errorf("invalid container path, must be an absolute path %q", ctrDir)
- }
- return nil
-}
-
-func validateVolumeOpts(option string) error {
- var foundRootPropagation, foundRWRO, foundLabelChange int
- options := strings.Split(option, ",")
- for _, opt := range options {
- switch opt {
- case "rw", "ro":
- foundRWRO++
- if foundRWRO > 1 {
- return errors.Errorf("invalid options %q, can only specify 1 'rw' or 'ro' option", option)
- }
- case "z", "Z":
- foundLabelChange++
- if foundLabelChange > 1 {
- return errors.Errorf("invalid options %q, can only specify 1 'z' or 'Z' option", option)
- }
- case "private", "rprivate", "shared", "rshared", "slave", "rslave":
- foundRootPropagation++
- if foundRootPropagation > 1 {
- return errors.Errorf("invalid options %q, can only specify 1 '[r]shared', '[r]private' or '[r]slave' option", option)
- }
- default:
- return errors.Errorf("invalid option type %q", option)
- }
- }
- return nil
-}
-
func verifyContainerResources(config *cc.CreateConfig, update bool) ([]string, error) {
warnings := []string{}
sysInfo := sysinfo.New(true)