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129 lines
4.6 KiB
Go
129 lines
4.6 KiB
Go
//go:build !windows
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// +build !windows
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package main
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import (
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"fmt"
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"testing"
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"time"
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"github.com/docker/docker/api/types/swarm"
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"github.com/docker/docker/integration-cli/checker"
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"github.com/docker/docker/integration-cli/daemon"
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"gotest.tools/v3/assert"
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"gotest.tools/v3/poll"
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)
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func (s *DockerSwarmSuite) TestAPISwarmListNodes(c *testing.T) {
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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, true, false)
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d3 := s.AddDaemon(c, true, false)
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nodes := d1.ListNodes(c)
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assert.Equal(c, len(nodes), 3, fmt.Sprintf("nodes: %#v", nodes))
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loop0:
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for _, n := range nodes {
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for _, d := range []*daemon.Daemon{d1, d2, d3} {
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if n.ID == d.NodeID() {
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continue loop0
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}
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}
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c.Errorf("unknown nodeID %v", n.ID)
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}
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}
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func (s *DockerSwarmSuite) TestAPISwarmNodeUpdate(c *testing.T) {
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d := s.AddDaemon(c, true, true)
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nodes := d.ListNodes(c)
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d.UpdateNode(c, nodes[0].ID, func(n *swarm.Node) {
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n.Spec.Availability = swarm.NodeAvailabilityPause
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})
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n := d.GetNode(c, nodes[0].ID)
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assert.Equal(c, n.Spec.Availability, swarm.NodeAvailabilityPause)
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}
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func (s *DockerSwarmSuite) TestAPISwarmNodeRemove(c *testing.T) {
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testRequires(c, Network)
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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, true, false)
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_ = s.AddDaemon(c, true, false)
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nodes := d1.ListNodes(c)
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assert.Equal(c, len(nodes), 3, fmt.Sprintf("nodes: %#v", nodes))
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// Getting the info so we can take the NodeID
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d2Info := d2.SwarmInfo(c)
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// forceful removal of d2 should work
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d1.RemoveNode(c, d2Info.NodeID, true)
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nodes = d1.ListNodes(c)
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assert.Equal(c, len(nodes), 2, fmt.Sprintf("nodes: %#v", nodes))
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// Restart the node that was removed
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d2.RestartNode(c)
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// Give some time for the node to rejoin
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time.Sleep(1 * time.Second)
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// Make sure the node didn't rejoin
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nodes = d1.ListNodes(c)
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assert.Equal(c, len(nodes), 2, fmt.Sprintf("nodes: %#v", nodes))
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}
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func (s *DockerSwarmSuite) TestAPISwarmNodeDrainPause(c *testing.T) {
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d1 := s.AddDaemon(c, true, true)
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d2 := s.AddDaemon(c, true, false)
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time.Sleep(1 * time.Second) // make sure all daemons are ready to accept tasks
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// start a service, expect balanced distribution
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instances := 2
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id := d1.CreateService(c, simpleTestService, setInstances(instances))
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poll.WaitOn(c, pollCheck(c, d1.CheckActiveContainerCount, checker.GreaterThan(0)), poll.WithTimeout(defaultReconciliationTimeout))
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poll.WaitOn(c, pollCheck(c, d2.CheckActiveContainerCount, checker.GreaterThan(0)), poll.WithTimeout(defaultReconciliationTimeout))
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poll.WaitOn(c, pollCheck(c, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d2.CheckActiveContainerCount), checker.Equals(instances)), poll.WithTimeout(defaultReconciliationTimeout))
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// drain d2, all containers should move to d1
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d1.UpdateNode(c, d2.NodeID(), func(n *swarm.Node) {
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n.Spec.Availability = swarm.NodeAvailabilityDrain
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})
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poll.WaitOn(c, pollCheck(c, d1.CheckActiveContainerCount, checker.Equals(instances)), poll.WithTimeout(defaultReconciliationTimeout))
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poll.WaitOn(c, pollCheck(c, d2.CheckActiveContainerCount, checker.Equals(0)), poll.WithTimeout(defaultReconciliationTimeout))
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// set d2 back to active
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d1.UpdateNode(c, d2.NodeID(), func(n *swarm.Node) {
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n.Spec.Availability = swarm.NodeAvailabilityActive
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})
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instances = 1
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d1.UpdateService(c, d1.GetService(c, id), setInstances(instances))
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poll.WaitOn(c, pollCheck(c, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d2.CheckActiveContainerCount), checker.Equals(instances)), poll.WithTimeout(defaultReconciliationTimeout*2))
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instances = 2
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d1.UpdateService(c, d1.GetService(c, id), setInstances(instances))
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// drained node first so we don't get any old containers
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poll.WaitOn(c, pollCheck(c, d2.CheckActiveContainerCount, checker.GreaterThan(0)), poll.WithTimeout(defaultReconciliationTimeout))
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poll.WaitOn(c, pollCheck(c, d1.CheckActiveContainerCount, checker.GreaterThan(0)), poll.WithTimeout(defaultReconciliationTimeout))
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poll.WaitOn(c, pollCheck(c, reducedCheck(sumAsIntegers, d1.CheckActiveContainerCount, d2.CheckActiveContainerCount), checker.Equals(instances)), poll.WithTimeout(defaultReconciliationTimeout*2))
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d2ContainerCount := len(d2.ActiveContainers(c))
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// set d2 to paused, scale service up, only d1 gets new tasks
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d1.UpdateNode(c, d2.NodeID(), func(n *swarm.Node) {
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n.Spec.Availability = swarm.NodeAvailabilityPause
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})
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instances = 4
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d1.UpdateService(c, d1.GetService(c, id), setInstances(instances))
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poll.WaitOn(c, pollCheck(c, d1.CheckActiveContainerCount, checker.Equals(instances-d2ContainerCount)), poll.WithTimeout(defaultReconciliationTimeout))
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poll.WaitOn(c, pollCheck(c, d2.CheckActiveContainerCount, checker.Equals(d2ContainerCount)), poll.WithTimeout(defaultReconciliationTimeout))
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}
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