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authorbaude <bbaude@redhat.com>2018-12-03 09:15:29 -0600
committerbaude <bbaude@redhat.com>2018-12-03 10:56:07 -0600
commit5c02dda869390725a799339b094f548d327c9122 (patch)
tree8cc4e1a8b8154cd2bf0d9b28c8437ea8d7a94071 /cmd/podman/shared
parent5bb66a47a46ea3cd66a86889d39b57bb28256c7a (diff)
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Adding more varlink endpoints
* runlabel * checkpoint * restore * container|image exists * mount * unmount Signed-off-by: baude <bbaude@redhat.com>
Diffstat (limited to 'cmd/podman/shared')
-rw-r--r--cmd/podman/shared/container.go81
1 files changed, 81 insertions, 0 deletions
diff --git a/cmd/podman/shared/container.go b/cmd/podman/shared/container.go
index 4404268d4..d0e892961 100644
--- a/cmd/podman/shared/container.go
+++ b/cmd/podman/shared/container.go
@@ -1,10 +1,15 @@
package shared
import (
+ "context"
"encoding/json"
"fmt"
+ "github.com/containers/image/types"
+ "github.com/containers/libpod/libpod/image"
+ "github.com/containers/libpod/pkg/util"
"github.com/cri-o/ocicni/pkg/ocicni"
"github.com/docker/go-units"
+ "io"
"os"
"path/filepath"
"regexp"
@@ -589,3 +594,79 @@ func portsToString(ports []ocicni.PortMapping) string {
}
return strings.Join(portDisplay, ", ")
}
+
+// GetRunlabel is a helper function for runlabel; it gets the image if needed and begins the
+// contruction of the runlabel output and environment variables
+func GetRunlabel(label string, runlabelImage string, ctx context.Context, runtime *libpod.Runtime, pull bool, inputCreds string, dockerRegistryOptions image.DockerRegistryOptions, authfile string, signaturePolicyPath string, output io.Writer) (string, string, error) {
+ var (
+ newImage *image.Image
+ err error
+ imageName string
+ )
+ if pull {
+ var registryCreds *types.DockerAuthConfig
+ if inputCreds != "" {
+ creds, err := util.ParseRegistryCreds(inputCreds)
+ if err != nil {
+ return "", "", err
+ }
+ registryCreds = creds
+ }
+ dockerRegistryOptions.DockerRegistryCreds = registryCreds
+ newImage, err = runtime.ImageRuntime().New(ctx, runlabelImage, signaturePolicyPath, authfile, output, &dockerRegistryOptions, image.SigningOptions{}, false, false)
+ } else {
+ newImage, err = runtime.ImageRuntime().NewFromLocal(runlabelImage)
+ }
+ if err != nil {
+ return "", "", errors.Wrapf(err, "unable to find image")
+ }
+
+ if len(newImage.Names()) < 1 {
+ imageName = newImage.ID()
+ } else {
+ imageName = newImage.Names()[0]
+ }
+
+ runLabel, err := newImage.GetLabel(ctx, label)
+ return runLabel, imageName, err
+}
+
+// GenerateRunlabelCommand generates the command that will eventually be execucted by podman
+func GenerateRunlabelCommand(runLabel, imageName, name string, opts map[string]string, extraArgs []string) ([]string, []string, error) {
+ // The user provided extra arguments that need to be tacked onto the label's command
+ if len(extraArgs) > 0 {
+ runLabel = fmt.Sprintf("%s %s", runLabel, strings.Join(extraArgs, " "))
+ }
+ cmd, err := GenerateCommand(runLabel, imageName, name)
+ if err != nil {
+ return nil, nil, errors.Wrapf(err, "unable to generate command")
+ }
+ env := GenerateRunEnvironment(name, imageName, opts)
+ env = append(env, "PODMAN_RUNLABEL_NESTED=1")
+
+ envmap := envSliceToMap(env)
+
+ envmapper := func(k string) string {
+ switch k {
+ case "OPT1":
+ return envmap["OPT1"]
+ case "OPT2":
+ return envmap["OPT2"]
+ case "OPT3":
+ return envmap["OPT3"]
+ }
+ return ""
+ }
+ newS := os.Expand(strings.Join(cmd, " "), envmapper)
+ cmd = strings.Split(newS, " ")
+ return cmd, env, nil
+}
+
+func envSliceToMap(env []string) map[string]string {
+ m := make(map[string]string)
+ for _, i := range env {
+ split := strings.Split(i, "=")
+ m[split[0]] = strings.Join(split[1:], " ")
+ }
+ return m
+}