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authorbaude <bbaude@redhat.com>2019-04-07 13:38:58 -0500
committerbaude <bbaude@redhat.com>2019-04-12 12:05:09 -0500
commit80b2c097fe333fd43634753b574d4b5bdf155b82 (patch)
treebfb3e032c0b6b4e7f08d087fa00d3919cdf62751
parent4596c39655f7ff5e741adbc97aaa49bb3a9d453e (diff)
downloadpodman-80b2c097fe333fd43634753b574d4b5bdf155b82.tar.gz
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podman-remote generate kube
Allow the ability to generate kube YAML from the podman remote-client. Signed-off-by: baude <bbaude@redhat.com>
-rw-r--r--cmd/podman/commands.go7
-rw-r--r--cmd/podman/generate.go7
-rw-r--r--cmd/podman/generate_kube.go40
-rw-r--r--cmd/podman/main.go1
-rw-r--r--cmd/podman/shared/container.go35
-rw-r--r--cmd/podman/varlink/io.podman.varlink11
-rw-r--r--pkg/adapter/runtime.go29
-rw-r--r--pkg/adapter/runtime_remote.go19
-rw-r--r--pkg/varlinkapi/generate.go30
9 files changed, 112 insertions, 67 deletions
diff --git a/cmd/podman/commands.go b/cmd/podman/commands.go
index 9fea1494b..6156fc2f8 100644
--- a/cmd/podman/commands.go
+++ b/cmd/podman/commands.go
@@ -13,7 +13,6 @@ func getMainCommands() []*cobra.Command {
rootCommands := []*cobra.Command{
_commitCommand,
_execCommand,
- _generateCommand,
_playCommand,
_loginCommand,
_logoutCommand,
@@ -71,12 +70,6 @@ func getContainerSubCommands() []*cobra.Command {
}
}
-func getGenerateSubCommands() []*cobra.Command {
- return []*cobra.Command{
- _containerKubeCommand,
- }
-}
-
// Commands that the local client implements
func getPlaySubCommands() []*cobra.Command {
return []*cobra.Command{
diff --git a/cmd/podman/generate.go b/cmd/podman/generate.go
index 197fd26a6..a0637ecb2 100644
--- a/cmd/podman/generate.go
+++ b/cmd/podman/generate.go
@@ -14,10 +14,15 @@ var (
Long: generateDescription,
RunE: commandRunE(),
}
+
+ // Commands that are universally implemented
+ generateCommands = []*cobra.Command{
+ _containerKubeCommand,
+ }
)
func init() {
generateCommand.Command = _generateCommand
- generateCommand.AddCommand(getGenerateSubCommands()...)
+ generateCommand.AddCommand(generateCommands...)
generateCommand.SetUsageTemplate(UsageTemplate())
}
diff --git a/cmd/podman/generate_kube.go b/cmd/podman/generate_kube.go
index c58372899..30818403b 100644
--- a/cmd/podman/generate_kube.go
+++ b/cmd/podman/generate_kube.go
@@ -3,13 +3,11 @@ package main
import (
"fmt"
"github.com/containers/libpod/cmd/podman/cliconfig"
- "github.com/containers/libpod/cmd/podman/libpodruntime"
- "github.com/containers/libpod/libpod"
+ "github.com/containers/libpod/pkg/adapter"
podmanVersion "github.com/containers/libpod/version"
"github.com/ghodss/yaml"
"github.com/pkg/errors"
"github.com/spf13/cobra"
- "k8s.io/api/core/v1"
)
var (
@@ -42,14 +40,12 @@ func init() {
func generateKubeYAMLCmd(c *cliconfig.GenerateKubeValues) error {
var (
- podYAML *v1.Pod
- container *libpod.Container
- err error
- output []byte
- pod *libpod.Pod
+ //podYAML *v1.Pod
+ err error
+ output []byte
+ //pod *libpod.Pod
marshalledPod []byte
marshalledService []byte
- servicePorts []v1.ServicePort
)
args := c.InputArgs
@@ -57,43 +53,27 @@ func generateKubeYAMLCmd(c *cliconfig.GenerateKubeValues) error {
return errors.Errorf("you must provide exactly one container|pod ID or name")
}
- runtime, err := libpodruntime.GetRuntime(&c.PodmanCommand)
+ runtime, err := adapter.GetRuntime(&c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "could not get runtime")
}
defer runtime.Shutdown(false)
- // Get the container in question
- container, err = runtime.LookupContainer(args[0])
+ podYAML, serviceYAML, err := runtime.GenerateKube(c)
if err != nil {
- pod, err = runtime.LookupPod(args[0])
- if err != nil {
- return err
- }
- podYAML, servicePorts, err = pod.GenerateForKube()
- } else {
- if len(container.Dependencies()) > 0 {
- return errors.Wrapf(libpod.ErrNotImplemented, "containers with dependencies")
- }
- podYAML, err = container.GenerateForKube()
+ return err
}
+ // Marshall the results
+ marshalledPod, err = yaml.Marshal(podYAML)
if err != nil {
return err
}
-
if c.Service {
- serviceYAML := libpod.GenerateKubeServiceFromV1Pod(podYAML, servicePorts)
marshalledService, err = yaml.Marshal(serviceYAML)
if err != nil {
return err
}
}
- // Marshall the results
- marshalledPod, err = yaml.Marshal(podYAML)
- if err != nil {
- return err
- }
-
header := `# Generation of Kubernetes YAML is still under development!
#
# Save the output of this file and use kubectl create -f to import
diff --git a/cmd/podman/main.go b/cmd/podman/main.go
index 35a94b3db..e8c3e14ea 100644
--- a/cmd/podman/main.go
+++ b/cmd/podman/main.go
@@ -36,6 +36,7 @@ var mainCommands = []*cobra.Command{
_createCommand,
_eventsCommand,
_exportCommand,
+ _generateCommand,
_historyCommand,
&_imagesCommand,
_importCommand,
diff --git a/cmd/podman/shared/container.go b/cmd/podman/shared/container.go
index 7bef62355..e14276bdf 100644
--- a/cmd/podman/shared/container.go
+++ b/cmd/podman/shared/container.go
@@ -4,6 +4,7 @@ import (
"context"
"fmt"
"io"
+ v1 "k8s.io/api/core/v1"
"os"
"path/filepath"
"regexp"
@@ -938,3 +939,37 @@ func envSliceToMap(env []string) map[string]string {
}
return m
}
+
+// GenerateKube generates kubernetes yaml based on a pod or container
+func GenerateKube(name string, service bool, r *libpod.Runtime) (*v1.Pod, *v1.Service, error) {
+ var (
+ pod *libpod.Pod
+ podYAML *v1.Pod
+ err error
+ container *libpod.Container
+ servicePorts []v1.ServicePort
+ serviceYAML v1.Service
+ )
+ // Get the container in question
+ container, err = r.LookupContainer(name)
+ if err != nil {
+ pod, err = r.LookupPod(name)
+ if err != nil {
+ return nil, nil, err
+ }
+ podYAML, servicePorts, err = pod.GenerateForKube()
+ } else {
+ if len(container.Dependencies()) > 0 {
+ return nil, nil, errors.Wrapf(libpod.ErrNotImplemented, "containers with dependencies")
+ }
+ podYAML, err = container.GenerateForKube()
+ }
+ if err != nil {
+ return nil, nil, err
+ }
+
+ if service {
+ serviceYAML = libpod.GenerateKubeServiceFromV1Pod(podYAML, servicePorts)
+ }
+ return podYAML, &serviceYAML, nil
+}
diff --git a/cmd/podman/varlink/io.podman.varlink b/cmd/podman/varlink/io.podman.varlink
index ae830f3e6..c31085124 100644
--- a/cmd/podman/varlink/io.podman.varlink
+++ b/cmd/podman/varlink/io.podman.varlink
@@ -98,6 +98,11 @@ type ImageSearchFilter (
star_count: int
)
+type KubePodService (
+ pod: string,
+ service: string
+)
+
type Container (
id: string,
image: string,
@@ -1122,11 +1127,7 @@ method ImagesPrune(all: bool) -> (pruned: []string)
# GenerateKube generates a Kubernetes v1 Pod description of a Podman container or pod
# and its containers. The description is in YAML. See also [ReplayKube](ReplayKube).
-# method GenerateKube() -> (notimplemented: NotImplemented)
-
-# GenerateKubeService generates a Kubernetes v1 Service description of a Podman container or pod
-# and its containers. The description is in YAML. See also [GenerateKube](GenerateKube).
-# method GenerateKubeService() -> (notimplemented: NotImplemented)
+method GenerateKube(name: string, service: bool) -> (pod: KubePodService)
# ReplayKube recreates a pod and its containers based on a Kubernetes v1 Pod description (in YAML)
# like that created by GenerateKube. See also [GenerateKube](GenerateKube).
diff --git a/pkg/adapter/runtime.go b/pkg/adapter/runtime.go
index d45bdb56d..6aafed550 100644
--- a/pkg/adapter/runtime.go
+++ b/pkg/adapter/runtime.go
@@ -7,6 +7,7 @@ import (
"context"
"io"
"io/ioutil"
+ "k8s.io/api/core/v1"
"os"
"text/template"
@@ -404,27 +405,7 @@ func (r *LocalRuntime) Diff(c *cliconfig.DiffValues, to string) ([]archive.Chang
return r.Runtime.GetDiff("", to)
}
-// func (r *LocalRuntime) joinContainerOrCreateRootlessUserNS(ctr *libpod.Container) (bool, int, error) {
-// if os.Geteuid() == 0 {
-// return false, 0, nil
-// }
-// s, err := ctr.State()
-// if err != nil {
-// return false, -1, err
-// }
-// opts := rootless.Opts{
-// Argument: ctr.ID(),
-// }
-// if s == libpod.ContainerStateRunning || s == libpod.ContainerStatePaused {
-// data, err := ioutil.ReadFile(ctr.Config().ConmonPidFile)
-// if err != nil {
-// return false, -1, errors.Wrapf(err, "Container %s cannot read conmon PID file %q", ctr.ID(), ctr.Config().ConmonPidFile)
-// }
-// conmonPid, err := strconv.Atoi(string(data))
-// if err != nil {
-// return false, -1, errors.Wrapf(err, "Container %s cannot parse PID %q", ctr.ID(), data)
-// }
-// return rootless.JoinDirectUserAndMountNSWithOpts(uint(conmonPid), &opts)
-// }
-// return rootless.BecomeRootInUserNSWithOpts(&opts)
-// }
+// GenerateKube creates kubernetes email from containers and pods
+func (r *LocalRuntime) GenerateKube(c *cliconfig.GenerateKubeValues) (*v1.Pod, *v1.Service, error) {
+ return shared.GenerateKube(c.InputArgs[0], c.Service, r.Runtime)
+}
diff --git a/pkg/adapter/runtime_remote.go b/pkg/adapter/runtime_remote.go
index 807a9ad8f..71f7380db 100644
--- a/pkg/adapter/runtime_remote.go
+++ b/pkg/adapter/runtime_remote.go
@@ -5,9 +5,11 @@ package adapter
import (
"bufio"
"context"
+ "encoding/json"
"fmt"
"io"
"io/ioutil"
+ v1 "k8s.io/api/core/v1"
"os"
"strings"
"text/template"
@@ -858,3 +860,20 @@ func stringToChangeType(change string) archive.ChangeType {
return archive.ChangeModify
}
}
+
+// GenerateKube creates kubernetes email from containers and pods
+func (r *LocalRuntime) GenerateKube(c *cliconfig.GenerateKubeValues) (*v1.Pod, *v1.Service, error) {
+ var (
+ pod v1.Pod
+ service v1.Service
+ )
+ reply, err := iopodman.GenerateKube().Call(r.Conn, c.InputArgs[0], c.Service)
+ if err != nil {
+ return nil, nil, errors.Wrap(err, "unable to create kubernetes YAML")
+ }
+ if err := json.Unmarshal([]byte(reply.Pod), &pod); err != nil {
+ return nil, nil, err
+ }
+ err = json.Unmarshal([]byte(reply.Service), &service)
+ return &pod, &service, err
+}
diff --git a/pkg/varlinkapi/generate.go b/pkg/varlinkapi/generate.go
new file mode 100644
index 000000000..bc600c397
--- /dev/null
+++ b/pkg/varlinkapi/generate.go
@@ -0,0 +1,30 @@
+// +build varlink
+
+package varlinkapi
+
+import (
+ "encoding/json"
+ "github.com/containers/libpod/cmd/podman/shared"
+ iopodman "github.com/containers/libpod/cmd/podman/varlink"
+)
+
+// GenerateKube ...
+func (i *LibpodAPI) GenerateKube(call iopodman.VarlinkCall, name string, service bool) error {
+ pod, serv, err := shared.GenerateKube(name, service, i.Runtime)
+ if err != nil {
+ return call.ReplyErrorOccurred(err.Error())
+ }
+ podB, err := json.Marshal(pod)
+ if err != nil {
+ return call.ReplyErrorOccurred(err.Error())
+ }
+ servB, err := json.Marshal(serv)
+ if err != nil {
+ return call.ReplyErrorOccurred(err.Error())
+ }
+
+ return call.ReplyGenerateKube(iopodman.KubePodService{
+ Pod: string(podB),
+ Service: string(servB),
+ })
+}