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-rw-r--r--cmd/podman/libpodruntime/runtime.go5
-rw-r--r--cmd/podman/umount.go13
-rw-r--r--docs/podman.1.md8
-rw-r--r--libpod/container_api.go21
-rw-r--r--libpod/container_internal.go28
-rw-r--r--libpod/image/pull.go8
-rw-r--r--libpod/storage.go15
-rw-r--r--pkg/registries/registries.go17
-rw-r--r--pkg/secrets/secrets.go18
9 files changed, 97 insertions, 36 deletions
diff --git a/cmd/podman/libpodruntime/runtime.go b/cmd/podman/libpodruntime/runtime.go
index 098864810..3216d288b 100644
--- a/cmd/podman/libpodruntime/runtime.go
+++ b/cmd/podman/libpodruntime/runtime.go
@@ -57,6 +57,11 @@ func GetDefaultStoreOptions() (storage.StoreOptions, error) {
if err != nil {
return storageOpts, err
}
+
+ storageConf := filepath.Join(os.Getenv("HOME"), ".config/containers/storage.conf")
+ if _, err := os.Stat(storageConf); err == nil {
+ storage.ReloadConfigurationFile(storageConf, &storageOpts)
+ }
}
return storageOpts, nil
}
diff --git a/cmd/podman/umount.go b/cmd/podman/umount.go
index 0fd7ff144..1a2cf22c6 100644
--- a/cmd/podman/umount.go
+++ b/cmd/podman/umount.go
@@ -58,7 +58,7 @@ func umountCmd(c *cli.Context) error {
continue
}
- if err = unmountContainer(ctr); err != nil {
+ if err = ctr.Unmount(); err != nil {
if lastError != nil {
logrus.Error(lastError)
}
@@ -78,7 +78,7 @@ func umountCmd(c *cli.Context) error {
continue
}
- if err = unmountContainer(ctr); err != nil {
+ if err = ctr.Unmount(); err != nil {
if lastError != nil {
logrus.Error(lastError)
}
@@ -90,12 +90,3 @@ func umountCmd(c *cli.Context) error {
}
return lastError
}
-
-func unmountContainer(ctr *libpod.Container) error {
- if mounted, err := ctr.Mounted(); mounted {
- return ctr.Unmount()
- } else {
- return err
- }
- return errors.Errorf("container is not mounted")
-}
diff --git a/docs/podman.1.md b/docs/podman.1.md
index ea7f93afa..5581e0569 100644
--- a/docs/podman.1.md
+++ b/docs/podman.1.md
@@ -117,7 +117,7 @@ Print the version
**libpod.conf** (`/etc/containers/libpod.conf`)
-libpod.conf is the configuration file for all tools using libpod to manage containers. This file is ignored when running in rootless mode.
+libpod.conf is the configuration file for all tools using libpod to manage containers. When Podman runs in rootless mode, then the file `$HOME/.config/containers/libpod.conf` is used.
**storage.conf** (`/etc/containers/storage.conf`)
@@ -125,6 +125,8 @@ storage.conf is the storage configuration file for all tools using containers/st
The storage configuration file specifies all of the available container storage options for tools using shared container storage.
+When Podman runs in rootless mode, the file `$HOME/.config/containers/storage.conf` is also loaded.
+
**mounts.conf** (`/usr/share/containers/mounts.conf` and optionally `/etc/containers/mounts.conf`)
The mounts.conf files specify volume mount directories that are automatically mounted inside containers when executing the `podman run` or `podman start` commands. Container processes can then use this content. The volume mount content does not get committed to the final image if you do a `podman commit`.
@@ -137,6 +139,8 @@ The format of the mounts.conf is the volume format /SRC:/DEST, one mount per lin
Note this is not a volume mount. The content of the volumes is copied into container storage, not bind mounted directly from the host.
+When Podman runs in rootless mode, the file `$HOME/.config/containers/mounts.conf` is also used.
+
**hook JSON** (`/usr/share/containers/oci/hooks.d/*.json`)
Each `*.json` file in `/usr/share/containers/oci/hooks.d` configures a hook for Podman containers. For more details on the syntax of the JSON files and the semantics of hook injection, see `oci-hooks(5)`.
@@ -153,6 +157,8 @@ Hooks are not used when running in rootless mode.
registries.conf is the configuration file which specifies which container registries should be consulted when completing image names which do not include a registry or domain portion.
+When Podman runs in rootless mode, the file `$HOME/.config/containers/registries.conf` is used.
+
## Rootless mode
Podman can also be used as non-root user. When podman runs in rootless mode, an user namespace is automatically created.
diff --git a/libpod/container_api.go b/libpod/container_api.go
index a3756ac5f..bb9727ec1 100644
--- a/libpod/container_api.go
+++ b/libpod/container_api.go
@@ -437,11 +437,7 @@ func (c *Container) Mount() (string, error) {
}
}
- if err := c.mountStorage(); err != nil {
- return "", err
- }
-
- return c.state.Mountpoint, nil
+ return c.mount()
}
// Unmount unmounts a container's filesystem on the host
@@ -456,15 +452,24 @@ func (c *Container) Unmount() error {
}
if c.state.State == ContainerStateRunning || c.state.State == ContainerStatePaused {
- return errors.Wrapf(ErrCtrStateInvalid, "cannot remove storage for container %s as it is running or paused", c.ID())
+ return errors.Wrapf(ErrCtrStateInvalid, "cannot unmount storage for container %s as it is running or paused", c.ID())
}
// Check if we have active exec sessions
if len(c.state.ExecSessions) != 0 {
- return errors.Wrapf(ErrCtrStateInvalid, "container %s has active exec sessions, refusing to clean up", c.ID())
+ return errors.Wrapf(ErrCtrStateInvalid, "container %s has active exec sessions, refusing to unmount", c.ID())
}
- return c.cleanupStorage()
+ if c.state.Mounted {
+ mounted, err := c.runtime.storageService.MountedContainerImage(c.ID())
+ if err != nil {
+ return errors.Wrapf(err, "can't determine how many times %s is mounted, refusing to unmount", c.ID())
+ }
+ if mounted == 1 {
+ return errors.Wrapf(err, "can't unmount %s last mount, it is still in use", c.ID())
+ }
+ }
+ return c.unmount()
}
// Pause pauses a container
diff --git a/libpod/container_internal.go b/libpod/container_internal.go
index 38099c6ac..55fd7369d 100644
--- a/libpod/container_internal.go
+++ b/libpod/container_internal.go
@@ -753,9 +753,9 @@ func (c *Container) mountStorage() (err error) {
mountPoint := c.config.Rootfs
if mountPoint == "" {
- mountPoint, err = c.runtime.storageService.MountContainerImage(c.ID())
+ mountPoint, err = c.mount()
if err != nil {
- return errors.Wrapf(err, "error mounting storage for container %s", c.ID())
+ return err
}
}
c.state.Mounted = true
@@ -796,8 +796,7 @@ func (c *Container) cleanupStorage() error {
return nil
}
- // Also unmount storage
- if _, err := c.runtime.storageService.UnmountContainerImage(c.ID()); err != nil {
+ if err := c.unmount(); err != nil {
// If the container has already been removed, warn but don't
// error
// We still want to be able to kick the container out of the
@@ -807,7 +806,7 @@ func (c *Container) cleanupStorage() error {
return nil
}
- return errors.Wrapf(err, "error unmounting container %s root filesystem", c.ID())
+ return err
}
c.state.Mountpoint = ""
@@ -1285,3 +1284,22 @@ func (c *Container) setupOCIHooks(ctx context.Context, config *spec.Spec) (exten
return manager.Hooks(config, c.Spec().Annotations, len(c.config.UserVolumes) > 0)
}
+
+// mount mounts the container's root filesystem
+func (c *Container) mount() (string, error) {
+ mountPoint, err := c.runtime.storageService.MountContainerImage(c.ID())
+ if err != nil {
+ return "", errors.Wrapf(err, "error mounting storage for container %s", c.ID())
+ }
+ return mountPoint, nil
+}
+
+// unmount unmounts the container's root filesystem
+func (c *Container) unmount() error {
+ // Also unmount storage
+ if _, err := c.runtime.storageService.UnmountContainerImage(c.ID()); err != nil {
+ return errors.Wrapf(err, "error unmounting container %s root filesystem", c.ID())
+ }
+
+ return nil
+}
diff --git a/libpod/image/pull.go b/libpod/image/pull.go
index 2eaa03858..3bfbc912c 100644
--- a/libpod/image/pull.go
+++ b/libpod/image/pull.go
@@ -4,7 +4,6 @@ import (
"context"
"fmt"
"io"
- "os"
"strings"
cp "github.com/containers/image/copy"
@@ -290,12 +289,7 @@ func (i *Image) createNamesToPull() ([]*pullStruct, error) {
pullNames = append(pullNames, &ps)
} else {
- registryConfigPath := ""
- envOverride := os.Getenv("REGISTRIES_CONFIG_PATH")
- if len(envOverride) > 0 {
- registryConfigPath = envOverride
- }
- searchRegistries, err := sysregistries.GetRegistries(&types.SystemContext{SystemRegistriesConfPath: registryConfigPath})
+ searchRegistries, err := registries.GetRegistries()
if err != nil {
return nil, err
}
diff --git a/libpod/storage.go b/libpod/storage.go
index ff366edf2..76aa9efa4 100644
--- a/libpod/storage.go
+++ b/libpod/storage.go
@@ -248,6 +248,21 @@ func (r *storageService) UnmountContainerImage(idOrName string) (bool, error) {
return mounted, nil
}
+func (r *storageService) MountedContainerImage(idOrName string) (int, error) {
+ if idOrName == "" {
+ return 0, ErrEmptyID
+ }
+ container, err := r.store.Container(idOrName)
+ if err != nil {
+ return 0, err
+ }
+ mounted, err := r.store.Mounted(container.ID)
+ if err != nil {
+ return 0, err
+ }
+ return mounted, nil
+}
+
func (r *storageService) GetWorkDir(id string) (string, error) {
container, err := r.store.Container(id)
if err != nil {
diff --git a/pkg/registries/registries.go b/pkg/registries/registries.go
index 844d2c415..c84bb21f6 100644
--- a/pkg/registries/registries.go
+++ b/pkg/registries/registries.go
@@ -2,15 +2,27 @@ package registries
import (
"os"
+ "path/filepath"
"github.com/containers/image/pkg/sysregistries"
"github.com/containers/image/types"
"github.com/pkg/errors"
+ "github.com/projectatomic/libpod/pkg/rootless"
)
+// userRegistriesFile is the path to the per user registry configuration file.
+var userRegistriesFile = filepath.Join(os.Getenv("HOME"), ".config/containers/registries.conf")
+
// GetRegistries obtains the list of registries defined in the global registries file.
func GetRegistries() ([]string, error) {
registryConfigPath := ""
+
+ if rootless.IsRootless() {
+ if _, err := os.Stat(userRegistriesFile); err == nil {
+ registryConfigPath = userRegistriesFile
+ }
+ }
+
envOverride := os.Getenv("REGISTRIES_CONFIG_PATH")
if len(envOverride) > 0 {
registryConfigPath = envOverride
@@ -25,6 +37,11 @@ func GetRegistries() ([]string, error) {
// GetInsecureRegistries obtains the list of insecure registries from the global registration file.
func GetInsecureRegistries() ([]string, error) {
registryConfigPath := ""
+
+ if _, err := os.Stat(userRegistriesFile); err == nil {
+ registryConfigPath = userRegistriesFile
+ }
+
envOverride := os.Getenv("REGISTRIES_CONFIG_PATH")
if len(envOverride) > 0 {
registryConfigPath = envOverride
diff --git a/pkg/secrets/secrets.go b/pkg/secrets/secrets.go
index ba0f3b925..bc63ece00 100644
--- a/pkg/secrets/secrets.go
+++ b/pkg/secrets/secrets.go
@@ -10,6 +10,7 @@ import (
rspec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/opencontainers/selinux/go-selinux/label"
"github.com/pkg/errors"
+ "github.com/projectatomic/libpod/pkg/rootless"
"github.com/sirupsen/logrus"
)
@@ -20,6 +21,9 @@ var (
// OverrideMountsFile holds the default mount paths in the form
// "host_path:container_path" overridden by the user
OverrideMountsFile = "/etc/containers/mounts.conf"
+ // UserOverrideMountsFile holds the default mount paths in the form
+ // "host_path:container_path" overridden by the rootless user
+ UserOverrideMountsFile = filepath.Join(os.Getenv("HOME"), ".config/containers/mounts.conf")
)
// secretData stores the name of the file and the content read from it
@@ -143,15 +147,21 @@ func SecretMountsWithUIDGID(mountLabel, containerWorkingDir, mountFile, mountPre
// Note for testing purposes only
if mountFile == "" {
mountFiles = append(mountFiles, []string{OverrideMountsFile, DefaultMountsFile}...)
+ if rootless.IsRootless() {
+ mountFiles = append([]string{UserOverrideMountsFile}, mountFiles...)
+ }
} else {
mountFiles = append(mountFiles, mountFile)
}
for _, file := range mountFiles {
- mounts, err := addSecretsFromMountsFile(file, mountLabel, containerWorkingDir, mountPrefix, uid, gid)
- if err != nil {
- logrus.Warnf("error mounting secrets, skipping: %v", err)
+ if _, err := os.Stat(file); err == nil {
+ mounts, err := addSecretsFromMountsFile(file, mountLabel, containerWorkingDir, mountPrefix, uid, gid)
+ if err != nil {
+ logrus.Warnf("error mounting secrets, skipping: %v", err)
+ }
+ secretMounts = mounts
+ break
}
- secretMounts = append(secretMounts, mounts...)
}
// Add FIPS mode secret if /etc/system-fips exists on the host
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-10-11 05:23:07 +0000