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authorBrent Baude <bbaude@redhat.com>2020-04-16 12:25:26 -0500
committerBrent Baude <bbaude@redhat.com>2020-04-16 15:53:58 -0500
commit241326a9a8c20ad7f2bcf651416b836e7778e090 (patch)
tree4001e8e47a022bb1b9bfbf2332c42e1aeb802f9e /cmd/podman/registry/config.go
parent88c6fd06cd54fb9a8826306dfdf1a77e400de5de (diff)
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Podman V2 birth
remote podman v1 and replace with podman v2. Signed-off-by: Brent Baude <bbaude@redhat.com>
Diffstat (limited to 'cmd/podman/registry/config.go')
-rw-r--r--cmd/podman/registry/config.go106
1 files changed, 106 insertions, 0 deletions
diff --git a/cmd/podman/registry/config.go b/cmd/podman/registry/config.go
new file mode 100644
index 000000000..358f9172e
--- /dev/null
+++ b/cmd/podman/registry/config.go
@@ -0,0 +1,106 @@
+package registry
+
+import (
+ "fmt"
+ "os"
+ "path/filepath"
+ "runtime"
+ "strings"
+
+ "github.com/containers/common/pkg/config"
+ "github.com/containers/libpod/pkg/domain/entities"
+ "github.com/containers/libpod/pkg/rootless"
+ "github.com/containers/libpod/pkg/util"
+ "github.com/pkg/errors"
+)
+
+const (
+ ParentNSRequired = "ParentNSRequired"
+)
+
+var (
+ PodmanOptions entities.PodmanConfig
+)
+
+// NewPodmanConfig creates a PodmanConfig from the environment
+func NewPodmanConfig() entities.PodmanConfig {
+ if err := setXdgDirs(); err != nil {
+ fmt.Fprintf(os.Stderr, err.Error())
+ os.Exit(1)
+ }
+
+ var mode entities.EngineMode
+ switch runtime.GOOS {
+ case "darwin":
+ fallthrough
+ case "windows":
+ mode = entities.TunnelMode
+ case "linux":
+ mode = entities.ABIMode
+ default:
+ fmt.Fprintf(os.Stderr, "%s is not a supported OS", runtime.GOOS)
+ os.Exit(1)
+ }
+
+ // cobra.Execute() may not be called yet, so we peek at os.Args.
+ for _, v := range os.Args {
+ // Prefix checking works because of how default EngineMode's
+ // have been defined.
+ if strings.HasPrefix(v, "--remote") {
+ mode = entities.TunnelMode
+ }
+ }
+
+ // FIXME: for rootless, add flag to get the path to override configuration
+ cfg, err := config.NewConfig("")
+ if err != nil {
+ fmt.Fprint(os.Stderr, "Failed to obtain podman configuration: "+err.Error())
+ os.Exit(1)
+ }
+
+ cfg.Network.NetworkConfigDir = cfg.Network.CNIPluginDirs[0]
+ if rootless.IsRootless() {
+ cfg.Network.NetworkConfigDir = ""
+ }
+
+ return entities.PodmanConfig{Config: cfg, EngineMode: mode}
+}
+
+// SetXdgDirs ensures the XDG_RUNTIME_DIR env and XDG_CONFIG_HOME variables are set.
+// containers/image uses XDG_RUNTIME_DIR to locate the auth file, XDG_CONFIG_HOME is
+// use for the libpod.conf configuration file.
+func setXdgDirs() error {
+ if !rootless.IsRootless() {
+ return nil
+ }
+
+ // Setup XDG_RUNTIME_DIR
+ if _, found := os.LookupEnv("XDG_RUNTIME_DIR"); !found {
+ dir, err := util.GetRuntimeDir()
+ if err != nil {
+ return err
+ }
+ if err := os.Setenv("XDG_RUNTIME_DIR", dir); err != nil {
+ return errors.Wrapf(err, "cannot set XDG_RUNTIME_DIR="+dir)
+ }
+ }
+
+ if _, found := os.LookupEnv("DBUS_SESSION_BUS_ADDRESS"); !found {
+ sessionAddr := filepath.Join(os.Getenv("XDG_RUNTIME_DIR"), "bus")
+ if _, err := os.Stat(sessionAddr); err == nil {
+ os.Setenv("DBUS_SESSION_BUS_ADDRESS", "unix:path="+sessionAddr)
+ }
+ }
+
+ // Setup XDG_CONFIG_HOME
+ if _, found := os.LookupEnv("XDG_CONFIG_HOME"); !found {
+ cfgHomeDir, err := util.GetRootlessConfigHomeDir()
+ if err != nil {
+ return err
+ }
+ if err := os.Setenv("XDG_CONFIG_HOME", cfgHomeDir); err != nil {
+ return errors.Wrapf(err, "cannot set XDG_CONFIG_HOME="+cfgHomeDir)
+ }
+ }
+ return nil
+}