moby/integration-cli/docker_api_swarm_node_test.go
Tibor Vass ac2f24e72a waitAndAssert -> poll.WaitOn
go get -d golang.org/x/tools/cmd/eg && \
dir=$(go env GOPATH)/src/golang.org/x/tools && \
git -C "$dir" fetch https://github.com/tiborvass/tools handle-variadic && \
git -C "$dir" checkout 61a94b82347c29b3289e83190aa3dda74d47abbb && \
go install golang.org/x/tools/cmd/eg

eg -w -t template.waitAndAssert.go ./integration-cli 2>&1 \
| awk '{print $2}' | while read file; do
	# removing vendor/ in import paths
	# not sure why eg adds them
	sed -E -i 's#^([\t]+").*/vendor/([^"]+)#\1\2#g' "$file"
	sed -E -i 's#\.\(eg_compareFunc\)##g' "$file"
	goimports -w "$file"
done

Signed-off-by: Tibor Vass <tibor@docker.com>
2019-09-09 21:09:57 +00:00

128 lines
4.6 KiB
Go

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