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127 lines
3.1 KiB
Go
127 lines
3.1 KiB
Go
package docker
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import (
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"context"
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"strings"
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"tinyauth/internal/types"
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"tinyauth/internal/utils"
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container "github.com/docker/docker/api/types/container"
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"github.com/docker/docker/client"
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"github.com/rs/zerolog/log"
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)
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type Docker struct {
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Client *client.Client
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Context context.Context
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}
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func NewDocker() (*Docker, error) {
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// Create a new docker client
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client, err := client.NewClientWithOpts(client.FromEnv)
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// Check if there was an error
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if err != nil {
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return nil, err
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}
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// Create the context
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ctx := context.Background()
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// Negotiate API version
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client.NegotiateAPIVersion(ctx)
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return &Docker{
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Client: client,
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Context: ctx,
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}, nil
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}
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func (docker *Docker) GetContainers() ([]container.Summary, error) {
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// Get the list of containers
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containers, err := docker.Client.ContainerList(docker.Context, container.ListOptions{})
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// Check if there was an error
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if err != nil {
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return nil, err
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}
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// Return the containers
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return containers, nil
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}
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func (docker *Docker) InspectContainer(containerId string) (container.InspectResponse, error) {
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// Inspect the container
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inspect, err := docker.Client.ContainerInspect(docker.Context, containerId)
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// Check if there was an error
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if err != nil {
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return container.InspectResponse{}, err
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}
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// Return the inspect
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return inspect, nil
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}
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func (docker *Docker) DockerConnected() bool {
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// Ping the docker client if there is an error it is not connected
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_, err := docker.Client.Ping(docker.Context)
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return err == nil
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}
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func (docker *Docker) GetLabels(id string, domain string) (types.Labels, error) {
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// Check if we have access to the Docker API
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isConnected := docker.DockerConnected()
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// If we don't have access, return an empty struct
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if !isConnected {
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log.Debug().Msg("Docker not connected, returning empty labels")
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return types.Labels{}, nil
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}
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// Get the containers
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log.Debug().Msg("Getting containers")
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containers, err := docker.GetContainers()
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// If there is an error, return false
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if err != nil {
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log.Error().Err(err).Msg("Error getting containers")
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return types.Labels{}, err
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}
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// Loop through the containers
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for _, container := range containers {
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// Inspect the container
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inspect, err := docker.InspectContainer(container.ID)
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// Check if there was an error
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if err != nil {
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log.Warn().Str("id", container.ID).Err(err).Msg("Error inspecting container, skipping")
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continue
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}
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// Get the labels
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log.Debug().Str("id", inspect.ID).Msg("Getting labels for container")
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labels, err := utils.GetLabels(inspect.Config.Labels)
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// Check if there was an error
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if err != nil {
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log.Warn().Str("id", container.ID).Err(err).Msg("Error getting container labels, skipping")
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continue
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}
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// Check if the labels match the id or the domain
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if strings.TrimPrefix(inspect.Name, "/") == id || utils.CheckFilter(labels.Domain, domain, false) { // Disable regex for now
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log.Debug().Str("id", inspect.ID).Msg("Found matching container")
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return labels, nil
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}
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}
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log.Debug().Msg("No matching container found, returning empty labels")
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// If no matching container is found, return empty labels
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return types.Labels{}, nil
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}
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