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-rw-r--r--libpod/container_config.go3
-rw-r--r--libpod/container_internal.go2
-rw-r--r--libpod/options.go13
3 files changed, 18 insertions, 0 deletions
diff --git a/libpod/container_config.go b/libpod/container_config.go
index ede6b1aab..da732c05b 100644
--- a/libpod/container_config.go
+++ b/libpod/container_config.go
@@ -151,6 +151,9 @@ type ContainerRootFSConfig struct {
Secrets []*secrets.Secret `json:"secrets,omitempty"`
// SecretPath is the secrets location in storage
SecretsPath string `json:"secretsPath"`
+ // Volatile specifies whether the container storage can be optimized
+ // at the cost of not syncing all the dirty files in memory.
+ Volatile bool `json:"volatile,omitempty"`
}
// ContainerSecurityConfig is an embedded sub-config providing security configuration
diff --git a/libpod/container_internal.go b/libpod/container_internal.go
index 132012404..051fe4b9e 100644
--- a/libpod/container_internal.go
+++ b/libpod/container_internal.go
@@ -451,6 +451,8 @@ func (c *Container) setupStorage(ctx context.Context) error {
options.MountOpts = newOptions
}
+ options.Volatile = c.config.Volatile
+
c.setupStorageMapping(&options.IDMappingOptions, &c.config.IDMappings)
containerInfo, err := c.runtime.storageService.CreateContainerStorage(ctx, c.runtime.imageContext, c.config.RootfsImageName, c.config.RootfsImageID, c.config.Name, c.config.ID, options)
diff --git a/libpod/options.go b/libpod/options.go
index 39415a817..391cf0147 100644
--- a/libpod/options.go
+++ b/libpod/options.go
@@ -2318,3 +2318,16 @@ func WithPodSlirp4netns(networkOptions map[string][]string) PodCreateOption {
return nil
}
}
+
+// WithVolatile sets the volatile flag for the container storage.
+// The option can potentially cause data loss when used on a container that must survive a machine reboot.
+func WithVolatile() CtrCreateOption {
+ return func(ctr *Container) error {
+ if ctr.valid {
+ return define.ErrCtrFinalized
+ }
+
+ ctr.config.Volatile = true
+ return nil
+ }
+}