open-nomad/e2e/e2eutil/utils.go
2019-01-04 08:53:50 -05:00

73 lines
1.9 KiB
Go

package e2eutil
import (
"testing"
"time"
"github.com/hashicorp/nomad/api"
"github.com/hashicorp/nomad/e2e/framework"
"github.com/hashicorp/nomad/helper"
"github.com/hashicorp/nomad/jobspec"
"github.com/hashicorp/nomad/testutil"
. "github.com/onsi/gomega"
"github.com/stretchr/testify/require"
)
// retries is used to control how many times to retry checking if the cluster has a leader yet
const retries = 500
func WaitForLeader(t *testing.T, nomadClient *api.Client) {
statusAPI := nomadClient.Status()
testutil.WaitForResultRetries(retries, func() (bool, error) {
leader, err := statusAPI.Leader()
return leader != "", err
}, func(err error) {
t.Fatalf("failed to find leader: %v", err)
})
}
func WaitForNodesReady(t *testing.T, nomadClient *api.Client, nodes int) {
nodesAPI := nomadClient.Nodes()
testutil.WaitForResultRetries(retries, func() (bool, error) {
nodesList, _, err := nodesAPI.List(nil)
eligibleNodes := 0
for _, node := range nodesList {
if node.Status == "ready" {
eligibleNodes++
}
}
return eligibleNodes == nodes, err
}, func(err error) {
t.Fatalf("failed to get enough ready nodes: %v", err)
})
}
func RegisterAndWaitForAllocs(f *framework.F, nomadClient *api.Client, jobFile string, jobID string) []*api.AllocationListStub {
// Parse job
job, err := jobspec.ParseFile(jobFile)
require := require.New(f.T())
require.Nil(err)
job.ID = helper.StringToPtr(jobID)
// Register job
jobs := nomadClient.Jobs()
resp, _, err := jobs.Register(job, nil)
require.Nil(err)
require.NotEmpty(resp.EvalID)
g := NewGomegaWithT(f.T())
// Wrap in retry to wait until placement
g.Eventually(func() []*api.AllocationListStub {
// Look for allocations
allocs, _, _ := jobs.Allocations(*job.ID, false, nil)
return allocs
}, 30*time.Second, time.Second).ShouldNot(BeEmpty())
allocs, _, err := jobs.Allocations(*job.ID, false, nil)
require.Nil(err)
return allocs
}