mirror of https://github.com/docker/compose.git
129 lines
3.3 KiB
Go
129 lines
3.3 KiB
Go
/*
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Copyright 2020 Docker Compose CLI authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package compose
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import (
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"context"
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"sort"
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"strconv"
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moby "github.com/docker/docker/api/types"
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"github.com/docker/docker/api/types/filters"
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"github.com/docker/compose/v2/pkg/api"
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"github.com/docker/compose/v2/pkg/utils"
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)
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// Containers is a set of moby Container
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type Containers []moby.Container
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type oneOff int
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const (
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oneOffInclude = oneOff(iota)
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oneOffExclude
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oneOffOnly
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)
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func (s *composeService) getContainers(ctx context.Context, project string, oneOff oneOff, stopped bool, selectedServices ...string) (Containers, error) {
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var containers Containers
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f := []filters.KeyValuePair{projectFilter(project)}
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if len(selectedServices) == 1 {
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f = append(f, serviceFilter(selectedServices[0]))
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}
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switch oneOff {
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case oneOffOnly:
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f = append(f, oneOffFilter(true))
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case oneOffExclude:
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f = append(f, oneOffFilter(false))
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case oneOffInclude:
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}
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containers, err := s.apiClient().ContainerList(ctx, moby.ContainerListOptions{
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Filters: filters.NewArgs(f...),
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All: stopped,
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})
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if err != nil {
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return nil, err
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}
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if len(selectedServices) > 1 {
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containers = containers.filter(isService(selectedServices...))
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}
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return containers, nil
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}
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// containerPredicate define a predicate we want container to satisfy for filtering operations
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type containerPredicate func(c moby.Container) bool
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func isService(services ...string) containerPredicate {
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return func(c moby.Container) bool {
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service := c.Labels[api.ServiceLabel]
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return utils.StringContains(services, service)
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}
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}
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func isNotService(services ...string) containerPredicate {
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return func(c moby.Container) bool {
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service := c.Labels[api.ServiceLabel]
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return !utils.StringContains(services, service)
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}
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}
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func isNotOneOff(c moby.Container) bool {
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v, ok := c.Labels[api.OneoffLabel]
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return !ok || v == "False"
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}
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func indexed(index int) containerPredicate {
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return func(c moby.Container) bool {
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number := c.Labels[api.ContainerNumberLabel]
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idx, err := strconv.Atoi(number)
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return err == nil && index == idx
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}
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}
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// filter return Containers with elements to match predicate
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func (containers Containers) filter(predicate containerPredicate) Containers {
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var filtered Containers
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for _, c := range containers {
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if predicate(c) {
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filtered = append(filtered, c)
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}
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}
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return filtered
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}
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func (containers Containers) names() []string {
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var names []string
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for _, c := range containers {
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names = append(names, getCanonicalContainerName(c))
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}
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return names
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}
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func (containers Containers) forEach(fn func(moby.Container)) {
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for _, c := range containers {
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fn(c)
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}
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}
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func (containers Containers) sorted() Containers {
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sort.Slice(containers, func(i, j int) bool {
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return getCanonicalContainerName(containers[i]) < getCanonicalContainerName(containers[j])
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})
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return containers
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}
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