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125 lines
3.6 KiB
125 lines
3.6 KiB
/*
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Copyright © 2020-2021 The k3d Author(s)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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package docker
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import (
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"context"
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"fmt"
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"github.com/docker/docker/api/types/filters"
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"github.com/docker/docker/api/types/volume"
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k3d "github.com/rancher/k3d/v4/pkg/types"
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log "github.com/sirupsen/logrus"
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)
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// CreateVolume creates a new named volume
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func (d Docker) CreateVolume(ctx context.Context, name string, labels map[string]string) error {
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// (0) create new docker client
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docker, err := GetDockerClient()
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if err != nil {
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log.Errorln("Failed to create docker client")
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return err
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}
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defer docker.Close()
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// (1) create volume
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volumeCreateOptions := volume.VolumeCreateBody{
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Name: name,
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Labels: labels,
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Driver: "local", // TODO: allow setting driver + opts
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DriverOpts: map[string]string{},
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}
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for k, v := range k3d.DefaultObjectLabels {
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volumeCreateOptions.Labels[k] = v
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}
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for k, v := range k3d.DefaultObjectLabelsVar {
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volumeCreateOptions.Labels[k] = v
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}
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vol, err := docker.VolumeCreate(ctx, volumeCreateOptions)
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if err != nil {
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log.Errorf("Failed to create volume '%s'", name)
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return err
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}
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log.Infof("Created volume '%s'", vol.Name)
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return nil
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}
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// DeleteVolume creates a new named volume
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func (d Docker) DeleteVolume(ctx context.Context, name string) error {
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// (0) create new docker client
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docker, err := GetDockerClient()
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if err != nil {
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log.Errorln("Failed to create docker client")
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return err
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}
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defer docker.Close()
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// get volume and delete it
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vol, err := docker.VolumeInspect(ctx, name)
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if err != nil {
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log.Errorf("Failed to find volume '%s'", name)
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return err
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}
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// check if volume is still in use
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if vol.UsageData != nil {
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if vol.UsageData.RefCount > 0 {
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log.Errorf("Failed to delete volume '%s'", vol.Name)
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return fmt.Errorf("Volume '%s' is still referenced by %d containers", name, vol.UsageData.RefCount)
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}
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}
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// remove volume
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if err := docker.VolumeRemove(ctx, name, true); err != nil {
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log.Errorf("Failed to delete volume '%s'", name)
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return err
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}
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return nil
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}
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// GetVolume tries to get a named volume
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func (d Docker) GetVolume(name string) (string, error) {
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// (0) create new docker client
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ctx := context.Background()
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docker, err := GetDockerClient()
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if err != nil {
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log.Errorln("Failed to create docker client")
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return "", err
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}
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defer docker.Close()
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filters := filters.NewArgs()
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filters.Add("name", fmt.Sprintf("^%s$", name))
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volumeList, err := docker.VolumeList(ctx, filters)
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if err != nil {
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return "", err
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}
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if len(volumeList.Volumes) < 1 {
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return "", fmt.Errorf("Failed to find named volume '%s'", name)
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}
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return volumeList.Volumes[0].Name, nil
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}
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