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authorMatthew Heon <matthew.heon@gmail.com>2018-02-28 15:06:05 -0500
committerAtomic Bot <atomic-devel@projectatomic.io>2018-03-06 01:21:09 +0000
commite7296152f822455cf608ee34a164f3550be649ac (patch)
tree943e1555ff93f743f018722932e2e1eda3de8e2b /libpod
parentabd2ae7a0ca8ee1c292e08cac4818fc8b7f4c384 (diff)
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Add ability to dump config to file as TOML
Signed-off-by: Matthew Heon <matthew.heon@gmail.com> Closes: #430 Approved by: rhatdan
Diffstat (limited to 'libpod')
-rw-r--r--libpod/runtime.go79
1 files changed, 65 insertions, 14 deletions
diff --git a/libpod/runtime.go b/libpod/runtime.go
index 61c757d1b..2876d8798 100644
--- a/libpod/runtime.go
+++ b/libpod/runtime.go
@@ -1,10 +1,13 @@
package libpod
import (
+ "bytes"
+ "io/ioutil"
"os"
"path/filepath"
"sync"
+ "github.com/BurntSushi/toml"
is "github.com/containers/image/storage"
"github.com/containers/image/types"
"github.com/containers/storage"
@@ -58,20 +61,56 @@ type Runtime struct {
// RuntimeConfig contains configuration options used to set up the runtime
type RuntimeConfig struct {
- StorageConfig storage.StoreOptions
- ImageDefaultTransport string
- SignaturePolicyPath string
- StateType RuntimeStateStore
- RuntimePath []string // The first path pointing to a valid file will be used
- ConmonPath []string // The first path pointing to a valid file will be used
- ConmonEnvVars []string
- CgroupManager string
- StaticDir string
- TmpDir string
- MaxLogSize int64
- NoPivotRoot bool
- CNIConfigDir string
- CNIPluginDir []string
+ // StorageConfig is the configuration used by containers/storage
+ // Not included in on-disk config, use the dedicated containers/storage
+ // configuration file instead
+ StorageConfig storage.StoreOptions `toml:"-"`
+ // ImageDefaultTransport is the default transport method used to fetch
+ // images
+ ImageDefaultTransport string `toml:"image_default_transport"`
+ // SignaturePolicyPath is the path to a signature policy to use for
+ // validationg images
+ // If left empty, the containers/image default signature policy will
+ // be used
+ SignaturePolicyPath string `toml:"signature_policy_path,omitempty"`
+ // StateType is the type of the backing state store.
+ // Avoid using multiple values for this with the same containers/storage
+ // configuration on the same system. Different state types do not
+ // interact, and each will see a separate set of containers, which may
+ // cause conflicts in containers/storage
+ // As such this is not exposed via the config file
+ StateType RuntimeStateStore `toml:"-"`
+ // RuntimePath is the path to OCI runtime binary for launching
+ // containers
+ // The first path pointing to a valid file will be used
+ RuntimePath []string `toml:"runtime_path"`
+ // ConmonPath is the path to the Conmon binary used for managing
+ // containers
+ // The first path pointing to a valid file will be used
+ ConmonPath []string `toml:"conmon_path"`
+ // ConmonEnvVars are environment variables to pass to the Conmon binary
+ // when it is launched
+ ConmonEnvVars []string `toml:"conmon_env_vars"`
+ // CGroupManager is the CGroup Manager to use
+ // Valid values are "cgroupfs" and "systemd"
+ CgroupManager string `toml:"cgroup_manager"`
+ // StaticDir is the path to a persistent directory to store container
+ // files
+ StaticDir string `toml:"static_dir"`
+ // TmpDir is the path to a temporary directory to store per-boot
+ // container files
+ // Must be stored in a tmpfs
+ TmpDir string `toml:"tmp_dir"`
+ // MaxLogSize is the maximum size of container logfiles
+ MaxLogSize int64 `toml:"max_log_size,omitempty"`
+ // NoPivotRoot sets whether to set no-pivot-root in the OCI runtime
+ NoPivotRoot bool `toml:"no_pivot_root"`
+ // CNIConfigDir sets the directory where CNI configuration files are
+ // stored
+ CNIConfigDir string `toml:"cni_config_dir"`
+ // CNIPluginDir sets a number of directories where the CNI network
+ // plugins can be located
+ CNIPluginDir []string `toml:"cni_plugin_dir"`
}
var (
@@ -439,3 +478,15 @@ func (r *Runtime) Info() ([]InfoData, error) {
info = append(info, InfoData{Type: "insecure registries", Data: insecureRegistries})
return info, nil
}
+
+// SaveDefaultConfig saves a copy of the default config at the given path
+func SaveDefaultConfig(path string) error {
+ var w bytes.Buffer
+ e := toml.NewEncoder(&w)
+
+ if err := e.Encode(&defaultRuntimeConfig); err != nil {
+ return err
+ }
+
+ return ioutil.WriteFile(path, w.Bytes(), 0644)
+}