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package daemon
import (
"context"
"strings"
"testing"
"time"
"github.com/docker/docker/api/types/swarm"
"gotest.tools/v3/assert"
)
// NodeConstructor defines a swarm node constructor
type NodeConstructor func(*swarm.Node)
// GetNode returns a swarm node identified by the specified id
func (d *Daemon) GetNode(ctx context.Context, t testing.TB, id string, errCheck ...func(error) bool) *swarm.Node {
t.Helper()
cli := d.NewClientT(t)
defer cli.Close()
node, _, err := cli.NodeInspectWithRaw(ctx, id)
if err != nil {
for _, f := range errCheck {
if f(err) {
return nil
}
}
}
assert.NilError(t, err, "[%s] (*Daemon).GetNode: NodeInspectWithRaw(%q) failed", d.id, id)
assert.Check(t, node.ID == id)
return &node
}
// RemoveNode removes the specified node
func (d *Daemon) RemoveNode(ctx context.Context, t testing.TB, id string, force bool) {
t.Helper()
cli := d.NewClientT(t)
defer cli.Close()
options := swarm.NodeRemoveOptions{
Force: force,
}
err := cli.NodeRemove(ctx, id, options)
assert.NilError(t, err)
}
// UpdateNode updates a swarm node with the specified node constructor
func (d *Daemon) UpdateNode(ctx context.Context, t testing.TB, id string, f ...NodeConstructor) {
t.Helper()
cli := d.NewClientT(t)
defer cli.Close()
for i := 0; ; i++ {
node := d.GetNode(ctx, t, id)
for _, fn := range f {
fn(node)
}
err := cli.NodeUpdate(ctx, node.ID, node.Version, node.Spec)
if i < 10 && err != nil && strings.Contains(err.Error(), "update out of sequence") {
time.Sleep(100 * time.Millisecond)
continue
}
assert.NilError(t, err)
return
}
}
// ListNodes returns the list of the current swarm nodes
func (d *Daemon) ListNodes(ctx context.Context, t testing.TB) []swarm.Node {
t.Helper()
cli := d.NewClientT(t)
defer cli.Close()
nodes, err := cli.NodeList(ctx, swarm.NodeListOptions{})
assert.NilError(t, err)
return nodes
}
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