dotcloud/docker

package client // import "github.com/docker/docker/client"

import (
    "context"
    "encoding/json"
    "net/url"
    "strconv"

    "github.com/docker/docker/api/types"
    "github.com/docker/docker/api/types/container"
    "github.com/docker/docker/api/types/filters"
)

// ContainerList returns the list of containers in the docker host.
func (cli *Client) ContainerList(ctx context.Context, options container.ListOptions) ([]types.Container, error) {
    query := url.Values{}

    if options.All {
        query.Set("all", "1")
    }

    if options.Limit > 0 {
        query.Set("limit", strconv.Itoa(options.Limit))
    }

    if options.Since != "" {
        query.Set("since", options.Since)
    }

    if options.Before != "" {
        query.Set("before", options.Before)
    }

    if options.Size {
        query.Set("size", "1")
    }

    if options.Filters.Len() > 0 {
        //nolint:staticcheck // ignore SA1019 for old code
        filterJSON, err := filters.ToParamWithVersion(cli.version, options.Filters)
        if err != nil {
            return nil, err
        }

        query.Set("filters", filterJSON)
    }

    resp, err := cli.get(ctx, "/containers/json", query, nil)
    defer ensureReaderClosed(resp)
    if err != nil {
        return nil, err
    }

    var containers []types.Container
    err = json.NewDecoder(resp.body).Decode(&containers)
    return containers, err
}