mirror of https://github.com/k3s-io/k3s
63 lines
1.8 KiB
Go
63 lines
1.8 KiB
Go
|
/*
|
||
|
|
Copyright 2017 The Kubernetes Authors.
|
||
|
|
|
||
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||
|
|
you may not use this file except in compliance with the License.
|
||
|
|
You may obtain a copy of the License at
|
||
|
|
|
||
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
||
|
|
|
||
|
|
Unless required by applicable law or agreed to in writing, software
|
||
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||
|
|
See the License for the specific language governing permissions and
|
||
|
|
limitations under the License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
package e2e_node
|
||
|
|
|
||
|
|
import (
|
||
|
|
"context"
|
||
|
|
"fmt"
|
||
|
|
|
||
|
|
"github.com/blang/semver"
|
||
|
|
"github.com/docker/docker/client"
|
||
|
|
)
|
||
|
|
|
||
|
|
const (
|
||
|
|
defaultDockerEndpoint = "unix:///var/run/docker.sock"
|
||
|
|
)
|
||
|
|
|
||
|
|
// getDockerAPIVersion returns the Docker's API version.
|
||
|
|
func getDockerAPIVersion() (semver.Version, error) {
|
||
|
|
c, err := client.NewClient(defaultDockerEndpoint, "", nil, nil)
|
||
|
|
if err != nil {
|
||
|
|
return semver.Version{}, fmt.Errorf("failed to create docker client: %v", err)
|
||
|
|
}
|
||
|
|
version, err := c.ServerVersion(context.Background())
|
||
|
|
if err != nil {
|
||
|
|
return semver.Version{}, fmt.Errorf("failed to get docker info: %v", err)
|
||
|
|
}
|
||
|
|
return semver.MustParse(version.APIVersion + ".0"), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// isSharedPIDNamespaceEnabled returns true if the Docker version is 1.13.1+
|
||
|
|
// (API version 1.26+), and false otherwise.
|
||
|
|
func isSharedPIDNamespaceEnabled() (bool, error) {
|
||
|
|
version, err := getDockerAPIVersion()
|
||
|
|
if err != nil {
|
||
|
|
return false, err
|
||
|
|
}
|
||
|
|
return version.GTE(semver.MustParse("1.26.0")), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
// isDockerNoNewPrivilegesSupported returns true if Docker version is 1.11+
|
||
|
|
// (API version 1.23+), and false otherwise.
|
||
|
|
func isDockerNoNewPrivilegesSupported() (bool, error) {
|
||
|
|
version, err := getDockerAPIVersion()
|
||
|
|
if err != nil {
|
||
|
|
return false, err
|
||
|
|
}
|
||
|
|
return version.GTE(semver.MustParse("1.23.0")), nil
|
||
|
|
}
|