docker/docker

package daemon

import (
    "context"
    "testing"

    "github.com/docker/docker/api/types"
    "github.com/docker/docker/api/types/swarm"
    "gotest.tools/v3/assert"
)

// ConfigConstructor defines a swarm config constructor
type ConfigConstructor func(*swarm.Config)

// CreateConfig creates a config given the specified spec
func (d *Daemon) CreateConfig(t testing.TB, configSpec swarm.ConfigSpec) string {
    t.Helper()
    cli := d.NewClientT(t)
    defer cli.Close()

    scr, err := cli.ConfigCreate(context.Background(), configSpec)
    assert.NilError(t, err)
    return scr.ID
}

// ListConfigs returns the list of the current swarm configs
func (d *Daemon) ListConfigs(t testing.TB) []swarm.Config {
    t.Helper()
    cli := d.NewClientT(t)
    defer cli.Close()

    configs, err := cli.ConfigList(context.Background(), types.ConfigListOptions{})
    assert.NilError(t, err)
    return configs
}

// GetConfig returns a swarm config identified by the specified id
func (d *Daemon) GetConfig(t testing.TB, id string) *swarm.Config {
    t.Helper()
    cli := d.NewClientT(t)
    defer cli.Close()

    config, _, err := cli.ConfigInspectWithRaw(context.Background(), id)
    assert.NilError(t, err)
    return &config
}

// DeleteConfig removes the swarm config identified by the specified id
func (d *Daemon) DeleteConfig(t testing.TB, id string) {
    t.Helper()
    cli := d.NewClientT(t)
    defer cli.Close()

    err := cli.ConfigRemove(context.Background(), id)
    assert.NilError(t, err)
}

// UpdateConfig updates the swarm config identified by the specified id
// Currently, only label update is supported.
func (d *Daemon) UpdateConfig(t testing.TB, id string, f ...ConfigConstructor) {
    t.Helper()
    cli := d.NewClientT(t)
    defer cli.Close()

    config := d.GetConfig(t, id)
    for _, fn := range f {
        fn(config)
    }

    err := cli.ConfigUpdate(context.Background(), config.ID, config.Version, config.Spec)
    assert.NilError(t, err)
}