Add support for environment variable secrets

Env var secrets are env vars that are set inside the container but not
commited to and image. Also support reading from env var when creating a
secret.

Signed-off-by: Ashley Cui <acui@redhat.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/libpod/container_internal_linux.go b/libpod/container_internal_linux.go
index f4762b5ff..c6839ffd0 100644
--- a/libpod/container_internal_linux.go
+++ b/libpod/container_internal_linux.go
@@ -29,6 +29,7 @@ import (
 	"github.com/containers/common/pkg/apparmor"
 	"github.com/containers/common/pkg/chown"
 	"github.com/containers/common/pkg/config"
+	"github.com/containers/common/pkg/secrets"
 	"github.com/containers/common/pkg/subscriptions"
 	"github.com/containers/common/pkg/umask"
 	"github.com/containers/podman/v3/libpod/define"
@@ -763,6 +764,19 @@ func (c *Container) generateSpec(ctx context.Context) (*spec.Spec, error) {
 	if c.state.ExtensionStageHooks, err = c.setupOCIHooks(ctx, g.Config); err != nil {
 		return nil, errors.Wrapf(err, "error setting up OCI Hooks")
 	}
+	if len(c.config.EnvSecrets) > 0 {
+		manager, err := secrets.NewManager(c.runtime.GetSecretsStorageDir())
+		if err != nil {
+			return nil, err
+		}
+		for name, secr := range c.config.EnvSecrets {
+			_, data, err := manager.LookupSecretData(secr.Name)
+			if err != nil {
+				return nil, err
+			}
+			g.AddProcessEnv(name, string(data))
+		}
+	}
 
 	return g.Config, nil
 }