open-nomad/scheduler/reconcile_util_test.go

132 lines
3.5 KiB
Go

package scheduler
import (
"testing"
"github.com/hashicorp/nomad/helper"
"github.com/hashicorp/nomad/nomad/mock"
"github.com/hashicorp/nomad/nomad/structs"
"github.com/stretchr/testify/require"
)
// Test that we properly create the bitmap even when the alloc set includes an
// allocation with a higher count than the current min count and it is byte
// aligned.
// Ensure no regression from: https://github.com/hashicorp/nomad/issues/3008
func TestBitmapFrom(t *testing.T) {
input := map[string]*structs.Allocation{
"8": {
JobID: "foo",
TaskGroup: "bar",
Name: "foo.bar[8]",
},
}
b := bitmapFrom(input, 1)
exp := uint(16)
if act := b.Size(); act != exp {
t.Fatalf("got %d; want %d", act, exp)
}
b = bitmapFrom(input, 8)
if act := b.Size(); act != exp {
t.Fatalf("got %d; want %d", act, exp)
}
}
func TestAllocSet_filterByTainted(t *testing.T) {
require := require.New(t)
nodes := map[string]*structs.Node{
"draining": {
ID: "draining",
DrainStrategy: mock.DrainNode().DrainStrategy,
},
"lost": {
ID: "lost",
Status: structs.NodeStatusDown,
},
"nil": nil,
"normal": {
ID: "normal",
Status: structs.NodeStatusReady,
},
}
batchJob := &structs.Job{
Type: structs.JobTypeBatch,
}
allocs := allocSet{
// Non-terminal alloc with migrate=true should migrate on a draining node
"migrating1": {
ID: "migrating1",
ClientStatus: structs.AllocClientStatusRunning,
DesiredTransition: structs.DesiredTransition{Migrate: helper.BoolToPtr(true)},
Job: batchJob,
NodeID: "draining",
},
// Non-terminal alloc with migrate=true should migrate on an unknown node
"migrating2": {
ID: "migrating2",
ClientStatus: structs.AllocClientStatusRunning,
DesiredTransition: structs.DesiredTransition{Migrate: helper.BoolToPtr(true)},
Job: batchJob,
NodeID: "nil",
},
"untainted1": {
ID: "untainted1",
ClientStatus: structs.AllocClientStatusRunning,
Job: batchJob,
NodeID: "normal",
},
// Terminal allocs are always untainted
"untainted2": {
ID: "untainted2",
ClientStatus: structs.AllocClientStatusComplete,
Job: batchJob,
NodeID: "normal",
},
// Terminal allocs are always untainted, even on draining nodes
"untainted3": {
ID: "untainted3",
ClientStatus: structs.AllocClientStatusComplete,
Job: batchJob,
NodeID: "draining",
},
// Terminal allocs are always untainted, even on lost nodes
"untainted4": {
ID: "untainted4",
ClientStatus: structs.AllocClientStatusComplete,
Job: batchJob,
NodeID: "lost",
},
// Non-terminal allocs on lost nodes are lost
"lost1": {
ID: "lost1",
ClientStatus: structs.AllocClientStatusPending,
Job: batchJob,
NodeID: "lost",
},
// Non-terminal allocs on lost nodes are lost
"lost2": {
ID: "lost2",
ClientStatus: structs.AllocClientStatusRunning,
Job: batchJob,
NodeID: "lost",
},
}
untainted, migrate, lost := allocs.filterByTainted(nodes)
require.Len(untainted, 4)
require.Contains(untainted, "untainted1")
require.Contains(untainted, "untainted2")
require.Contains(untainted, "untainted3")
require.Contains(untainted, "untainted4")
require.Len(migrate, 2)
require.Contains(migrate, "migrating1")
require.Contains(migrate, "migrating2")
require.Len(lost, 2)
require.Contains(lost, "lost1")
require.Contains(lost, "lost2")
}