mirror of https://github.com/docker/compose.git
140 lines
3.8 KiB
Go
140 lines
3.8 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 cmd
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import (
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"context"
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"fmt"
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"github.com/Azure/go-autorest/autorest/to"
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"github.com/compose-spec/compose-go/types"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"github.com/docker/compose-cli/api/client"
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"github.com/docker/compose-cli/api/containers"
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"github.com/docker/compose-cli/formatter"
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)
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// InspectCommand inspects into containers
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func InspectCommand() *cobra.Command {
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cmd := &cobra.Command{
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Use: "inspect",
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Short: "Inspect containers",
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Args: cobra.ExactArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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return runInspect(cmd.Context(), args[0])
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},
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}
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return cmd
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}
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func runInspect(ctx context.Context, id string) error {
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c, err := client.New(ctx)
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if err != nil {
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return errors.Wrap(err, "cannot connect to backend")
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}
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container, err := c.ContainerService().Inspect(ctx, id)
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if err != nil {
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return err
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}
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view := getInspectView(container)
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j, err := formatter.ToStandardJSON(view)
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if err != nil {
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return err
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}
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fmt.Print(j)
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return nil
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}
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// ContainerInspectView inspect view
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type ContainerInspectView struct {
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ID string
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Status string
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Image string
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Command string `json:",omitempty"`
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HostConfig *containers.HostConfig `json:",omitempty"`
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Ports []containers.Port `json:",omitempty"`
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Config *containers.RuntimeConfig `json:",omitempty"`
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Platform string
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Healthcheck *containerInspectHealthcheck `json:",omitempty"`
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}
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type containerInspectHealthcheck struct {
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// Test is the command to be run to check the health of the container
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Test []string `json:",omitempty"`
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// Interval is the period in between the checks
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Interval *types.Duration `json:",omitempty"`
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// Retries is the number of attempts before declaring the container as healthy or unhealthy
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Retries *int `json:",omitempty"`
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// StartPeriod is the start delay before starting the checks
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StartPeriod *types.Duration `json:",omitempty"`
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// Timeout is the timeout in between checks
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Timeout *types.Duration `json:",omitempty"`
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}
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func getInspectView(container containers.Container) ContainerInspectView {
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var (
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healthcheck *containerInspectHealthcheck
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test []string
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retries *int
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ports []containers.Port
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)
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if len(container.Ports) > 0 {
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ports = container.Ports
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}
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if !container.Healthcheck.Disable && len(container.Healthcheck.Test) > 0 {
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test = container.Healthcheck.Test
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if container.Healthcheck.Retries != 0 {
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retries = to.IntPtr(container.Healthcheck.Retries)
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}
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getDurationPtr := func(d types.Duration) *types.Duration {
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if d == types.Duration(0) {
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return nil
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}
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return &d
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}
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healthcheck = &containerInspectHealthcheck{
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Test: test,
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Retries: retries,
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Interval: getDurationPtr(container.Healthcheck.Interval),
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StartPeriod: getDurationPtr(container.Healthcheck.StartPeriod),
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Timeout: getDurationPtr(container.Healthcheck.Timeout),
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}
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}
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return ContainerInspectView{
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ID: container.ID,
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Status: container.Status,
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Image: container.Image,
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Command: container.Command,
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Config: container.Config,
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HostConfig: container.HostConfig,
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Ports: ports,
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Platform: container.Platform,
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Healthcheck: healthcheck,
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}
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}
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