733 lines
20 KiB
Go
733 lines
20 KiB
Go
package state
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import (
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"encoding/json"
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"sort"
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"strings"
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"testing"
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memdb "github.com/hashicorp/go-memdb"
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"github.com/stretchr/testify/require"
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"github.com/hashicorp/nomad/ci"
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"github.com/hashicorp/nomad/helper/uuid"
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"github.com/hashicorp/nomad/nomad/mock"
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"github.com/hashicorp/nomad/nomad/structs"
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)
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func TestStateStore_GetVariable(t *testing.T) {
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ci.Parallel(t)
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testState := testStateStore(t)
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ws := memdb.NewWatchSet()
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sve, err := testState.GetVariable(ws, "default", "not/a/path")
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require.NoError(t, err)
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require.Nil(t, sve)
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}
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func TestStateStore_UpsertVariables(t *testing.T) {
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ci.Parallel(t)
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testState := testStateStore(t)
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ws := memdb.NewWatchSet()
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svs := []*structs.VariableEncrypted{
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mock.VariableEncrypted(),
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mock.VariableEncrypted(),
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}
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svs[0].Path = "aaaaa"
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svs[1].Path = "bbbbb"
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insertIndex := uint64(20)
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var expectedQuotaSize int
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for _, v := range svs {
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expectedQuotaSize += len(v.Data)
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}
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// Ensure new variables are inserted as expected with their
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// correct indexes, along with an update to the index table.
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t.Run("1 create new variables", func(t *testing.T) {
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// Perform the initial upsert of variables.
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for _, sv := range svs {
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insertIndex++
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resp := testState.VarSet(insertIndex, &structs.VarApplyStateRequest{
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Op: structs.VarOpSet,
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Var: sv,
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})
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require.NoError(t, resp.Error)
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}
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// Check that the index for the table was modified as expected.
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initialIndex, err := testState.Index(TableVariables)
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require.NoError(t, err)
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require.Equal(t, insertIndex, initialIndex)
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// List all the variables in the table
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iter, err := testState.Variables(ws)
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require.NoError(t, err)
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got := []*structs.VariableEncrypted{}
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for raw := iter.Next(); raw != nil; raw = iter.Next() {
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sv := raw.(*structs.VariableEncrypted)
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var svCopy structs.VariableEncrypted
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svCopy = sv.Copy()
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got = append(got, &svCopy)
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}
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require.Len(t, got, 2, "incorrect number of variables found")
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// Ensure the create and modify indexes are populated correctly.
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require.Equal(t, uint64(21), got[0].CreateIndex, "%s: incorrect create index", got[0].Path)
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require.Equal(t, uint64(21), got[0].ModifyIndex, "%s: incorrect modify index", got[0].Path)
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require.Equal(t, uint64(22), got[1].CreateIndex, "%s: incorrect create index", got[1].Path)
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require.Equal(t, uint64(22), got[1].ModifyIndex, "%s: incorrect modify index", got[1].Path)
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quotaUsed, err := testState.VariablesQuotaByNamespace(ws, structs.DefaultNamespace)
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require.NoError(t, err)
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require.Equal(t, int64(expectedQuotaSize), quotaUsed.Size)
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// update the mocks so the test element has the correct create/modify
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// indexes and times now that we have validated them
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svs = got
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})
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t.Run("1a fetch variable", func(t *testing.T) {
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sve, err := testState.GetVariable(ws, svs[0].Namespace, svs[0].Path)
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require.NoError(t, err)
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require.NotNil(t, sve)
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})
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// Upsert the exact same variables without any modification. In this
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// case, the index table should not be updated, indicating no write actually
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// happened due to equality checking.
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t.Run("2 upsert same", func(t *testing.T) {
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reInsertIndex := uint64(30)
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for _, sv := range svs {
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svReq := &structs.VarApplyStateRequest{
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Op: structs.VarOpSet,
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Var: sv,
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}
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reInsertIndex++
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resp := testState.VarSet(reInsertIndex, svReq)
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require.NoError(t, resp.Error)
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}
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reInsertActualIndex, err := testState.Index(TableVariables)
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require.NoError(t, err)
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require.Equal(t, insertIndex, reInsertActualIndex, "index should not have changed")
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quotaUsed, err := testState.VariablesQuotaByNamespace(ws, structs.DefaultNamespace)
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require.NoError(t, err)
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require.Equal(t, int64(expectedQuotaSize), quotaUsed.Size)
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})
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// Modify a single one of the previously inserted variables and
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// performs an upsert. This ensures the index table is modified correctly
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// and that each variable is updated, or not, as expected.
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t.Run("3 modify one", func(t *testing.T) {
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sv1Update := svs[0].Copy()
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sv1Update.KeyID = "sv1-update"
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buf := make([]byte, 1+len(sv1Update.Data))
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copy(buf, sv1Update.Data)
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buf[len(buf)-1] = 'x'
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sv1Update.Data = buf
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update1Index := uint64(40)
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resp := testState.VarSet(update1Index, &structs.VarApplyStateRequest{
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Op: structs.VarOpSet,
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Var: &sv1Update,
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})
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require.NoError(t, resp.Error)
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// Check that the index for the table was modified as expected.
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updateActualIndex, err := testState.Index(TableVariables)
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require.NoError(t, err)
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require.Equal(t, update1Index, updateActualIndex, "index should have changed")
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// Get the variables from the table.
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iter, err := testState.Variables(ws)
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require.NoError(t, err)
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got := []*structs.VariableEncrypted{}
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// Iterate all the stored variables and assert indexes have been updated as expected
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for raw := iter.Next(); raw != nil; raw = iter.Next() {
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sv := raw.(*structs.VariableEncrypted)
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var svCopy structs.VariableEncrypted
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svCopy = sv.Copy()
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got = append(got, &svCopy)
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}
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require.Len(t, got, 2)
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require.Equal(t, update1Index, got[0].ModifyIndex)
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require.Equal(t, insertIndex, got[1].ModifyIndex)
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// update the mocks so the test element has the correct create/modify
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// indexes and times now that we have validated them
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svs = got
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quotaUsed, err := testState.VariablesQuotaByNamespace(ws, structs.DefaultNamespace)
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require.NoError(t, err)
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require.Equal(t, int64(expectedQuotaSize+1), quotaUsed.Size)
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})
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// Modify the second variable but send an upsert request that
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// includes this and the already modified variable.
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t.Run("4 upsert other", func(t *testing.T) {
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update2Index := uint64(50)
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sv2 := svs[1].Copy()
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sv2.KeyID = "sv2-update"
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sv2.ModifyIndex = update2Index
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resp := testState.VarSet(update2Index, &structs.VarApplyStateRequest{
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Op: structs.VarOpSet,
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Var: &sv2,
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})
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require.NoError(t, resp.Error)
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// Check that the index for the table was modified as expected.
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update2ActualIndex, err := testState.Index(TableVariables)
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require.NoError(t, err)
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require.Equal(t, update2Index, update2ActualIndex, "index should have changed")
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// Get the variables from the table.
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iter, err := testState.Variables(ws)
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require.NoError(t, err)
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got := []structs.VariableEncrypted{}
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// Iterate all the stored variables and assert indexes have been updated as expected
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for raw := iter.Next(); raw != nil; raw = iter.Next() {
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sv := raw.(*structs.VariableEncrypted)
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got = append(got, sv.Copy())
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}
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require.Len(t, got, 2)
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require.Equal(t, svs[0].ModifyIndex, got[0].ModifyIndex)
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require.Equal(t, update2Index, got[1].ModifyIndex)
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require.True(t, svs[0].Equal(got[0]))
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require.True(t, sv2.Equal(got[1]))
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quotaUsed, err := testState.VariablesQuotaByNamespace(ws, structs.DefaultNamespace)
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require.NoError(t, err)
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require.Equal(t, int64(expectedQuotaSize+1), quotaUsed.Size)
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})
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}
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func TestStateStore_DeleteVariable(t *testing.T) {
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ci.Parallel(t)
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testState := testStateStore(t)
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// Generate some test variables that we will use and modify throughout.
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svs := []*structs.VariableEncrypted{
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mock.VariableEncrypted(),
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mock.VariableEncrypted(),
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}
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svs[0].Path = "aaaaa"
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svs[1].Path = "bbbbb"
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initialIndex := uint64(10)
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t.Run("1 delete a variable that does not exist", func(t *testing.T) {
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resp := testState.VarDelete(initialIndex, &structs.VarApplyStateRequest{
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Op: structs.VarOpDelete,
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Var: svs[0],
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})
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require.NoError(t, resp.Error, "deleting non-existing var is not an error")
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actualInitialIndex, err := testState.Index(TableVariables)
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require.NoError(t, err)
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require.Equal(t, uint64(0), actualInitialIndex, "index should not have changed")
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quotaUsed, err := testState.VariablesQuotaByNamespace(nil, structs.DefaultNamespace)
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require.NoError(t, err)
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require.Nil(t, quotaUsed)
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})
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// Upsert two variables, deletes one, then ensure the
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// remaining is left as expected.
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t.Run("2 upsert variable and delete", func(t *testing.T) {
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ns := mock.Namespace()
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ns.Name = svs[0].Namespace
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require.NoError(t, testState.UpsertNamespaces(initialIndex, []*structs.Namespace{ns}))
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for _, sv := range svs {
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svReq := &structs.VarApplyStateRequest{
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Op: structs.VarOpSet,
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Var: sv,
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}
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initialIndex++
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resp := testState.VarSet(initialIndex, svReq)
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require.NoError(t, resp.Error)
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}
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// Perform the delete.
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delete1Index := uint64(20)
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resp := testState.VarDelete(delete1Index, &structs.VarApplyStateRequest{
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Op: structs.VarOpDelete,
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Var: svs[0],
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})
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require.NoError(t, resp.Error)
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// Check that the index for the table was modified as expected.
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actualDelete1Index, err := testState.Index(TableVariables)
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require.NoError(t, err)
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require.Equal(t, delete1Index, actualDelete1Index, "index should have changed")
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ws := memdb.NewWatchSet()
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// Get the variables from the table.
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iter, err := testState.Variables(ws)
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require.NoError(t, err)
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var delete1Count int
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var expectedQuotaSize int
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// Iterate all the stored variables and assert we have the expected
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// number.
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for raw := iter.Next(); raw != nil; raw = iter.Next() {
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delete1Count++
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v := raw.(*structs.VariableEncrypted)
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expectedQuotaSize += len(v.Data)
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}
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require.Equal(t, 1, delete1Count, "unexpected number of variables in table")
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quotaUsed, err := testState.VariablesQuotaByNamespace(ws, structs.DefaultNamespace)
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require.NoError(t, err)
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require.Equal(t, int64(expectedQuotaSize), quotaUsed.Size)
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})
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t.Run("3 delete remaining variable", func(t *testing.T) {
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delete2Index := uint64(30)
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resp := testState.VarDelete(delete2Index, &structs.VarApplyStateRequest{
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Op: structs.VarOpDelete,
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Var: svs[1],
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})
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require.NoError(t, resp.Error)
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// Check that the index for the table was modified as expected.
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actualDelete2Index, err := testState.Index(TableVariables)
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require.NoError(t, err)
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require.Equal(t, delete2Index, actualDelete2Index, "index should have changed")
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// Get the variables from the table.
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ws := memdb.NewWatchSet()
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iter, err := testState.Variables(ws)
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require.NoError(t, err)
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var delete2Count int
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// Ensure the table is empty.
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for raw := iter.Next(); raw != nil; raw = iter.Next() {
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delete2Count++
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}
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require.Equal(t, 0, delete2Count, "unexpected number of variables in table")
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quotaUsed, err := testState.VariablesQuotaByNamespace(ws, structs.DefaultNamespace)
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require.NoError(t, err)
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require.Equal(t, int64(0), quotaUsed.Size)
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})
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}
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func TestStateStore_GetVariables(t *testing.T) {
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ci.Parallel(t)
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testState := testStateStore(t)
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ns := mock.Namespace()
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ns.Name = "~*magical*~"
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initialIndex := uint64(10)
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require.NoError(t, testState.UpsertNamespaces(initialIndex, []*structs.Namespace{ns}))
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// Generate some test variables in different namespaces and upsert them.
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svs := []*structs.VariableEncrypted{
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mock.VariableEncrypted(),
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mock.VariableEncrypted(),
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}
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svs[0].Path = "aaaaa"
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svs[0].Namespace = "~*magical*~"
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svs[1].Path = "bbbbb"
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for _, sv := range svs {
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svReq := &structs.VarApplyStateRequest{
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Op: structs.VarOpSet,
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Var: sv,
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}
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initialIndex++
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resp := testState.VarSet(initialIndex, svReq)
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require.NoError(t, resp.Error)
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}
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// Look up variables using the namespace of the first mock variable.
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ws := memdb.NewWatchSet()
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iter, err := testState.GetVariablesByNamespace(ws, svs[0].Namespace)
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require.NoError(t, err)
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var count1 int
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for raw := iter.Next(); raw != nil; raw = iter.Next() {
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sv := raw.(*structs.VariableEncrypted)
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require.Equal(t, svs[0].Namespace, sv.Namespace)
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require.Equal(t, uint64(11), sv.CreateIndex, "%s incorrect create index", sv.Path)
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require.Equal(t, uint64(11), sv.ModifyIndex, "%s incorrect modify index", sv.Path)
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count1++
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}
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require.Equal(t, 1, count1)
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// Look up variables using the namespace of the second mock variable.
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iter, err = testState.GetVariablesByNamespace(ws, svs[1].Namespace)
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require.NoError(t, err)
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var count2 int
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for raw := iter.Next(); raw != nil; raw = iter.Next() {
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count2++
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sv := raw.(*structs.VariableEncrypted)
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require.Equal(t, initialIndex, sv.CreateIndex, "%s incorrect create index", sv.Path)
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require.Equal(t, initialIndex, sv.ModifyIndex, "%s incorrect modify index", sv.Path)
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require.Equal(t, svs[1].Namespace, sv.Namespace)
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}
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require.Equal(t, 1, count2)
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// Look up variables using a namespace that shouldn't contain any
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// variables.
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iter, err = testState.GetVariablesByNamespace(ws, "pony-club")
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require.NoError(t, err)
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var count3 int
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for raw := iter.Next(); raw != nil; raw = iter.Next() {
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count3++
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}
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require.Equal(t, 0, count3)
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}
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|
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func TestStateStore_ListVariablesByNamespaceAndPrefix(t *testing.T) {
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ci.Parallel(t)
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testState := testStateStore(t)
|
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|
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// Generate some test variables and upsert them.
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svs := []*structs.VariableEncrypted{}
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for i := 0; i < 6; i++ {
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sv := mock.VariableEncrypted()
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svs = append(svs, sv)
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}
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svs[0].Path = "a/b"
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svs[1].Path = "a/b/c"
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svs[2].Path = "unrelated/b/c"
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svs[3].Namespace = "other"
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svs[3].Path = "a/b/c"
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svs[4].Namespace = "other"
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svs[4].Path = "a/q/z"
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svs[5].Namespace = "other"
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svs[5].Path = "a/z/z"
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|
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ns := mock.Namespace()
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ns.Name = "other"
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initialIndex := uint64(10)
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require.NoError(t, testState.UpsertNamespaces(initialIndex, []*structs.Namespace{ns}))
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|
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for _, sv := range svs {
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svReq := &structs.VarApplyStateRequest{
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Op: structs.VarOpSet,
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Var: sv,
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}
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initialIndex++
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resp := testState.VarSet(initialIndex, svReq)
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require.NoError(t, resp.Error)
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}
|
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|
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t.Run("ByNamespace", func(t *testing.T) {
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testCases := []struct {
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desc string
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namespace string
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expectedCount int
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}{
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{
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desc: "default",
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namespace: "default",
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expectedCount: 2,
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},
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{
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desc: "other",
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namespace: "other",
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expectedCount: 3,
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},
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{
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desc: "nonexistent",
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namespace: "BAD",
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expectedCount: 0,
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},
|
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}
|
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|
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ws := memdb.NewWatchSet()
|
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for _, tC := range testCases {
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t.Run(tC.desc, func(t *testing.T) {
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iter, err := testState.GetVariablesByNamespace(ws, tC.namespace)
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require.NoError(t, err)
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|
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var count int = 0
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for raw := iter.Next(); raw != nil; raw = iter.Next() {
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count++
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sv := raw.(*structs.VariableEncrypted)
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require.Equal(t, tC.namespace, sv.Namespace)
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}
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})
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}
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})
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|
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t.Run("ByNamespaceAndPrefix", func(t *testing.T) {
|
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testCases := []struct {
|
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desc string
|
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namespace string
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prefix string
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expectedCount int
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}{
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{
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desc: "ns1 with good path",
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namespace: "default",
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prefix: "a",
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expectedCount: 2,
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},
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{
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desc: "ns2 with good path",
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namespace: "other",
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prefix: "a",
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expectedCount: 3,
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},
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{
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desc: "ns1 path valid for ns2",
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namespace: "default",
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prefix: "a/b/c",
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expectedCount: 1,
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|
},
|
|
{
|
|
desc: "ns2 empty prefix",
|
|
namespace: "other",
|
|
prefix: "",
|
|
expectedCount: 3,
|
|
},
|
|
{
|
|
desc: "nonexistent ns",
|
|
namespace: "BAD",
|
|
prefix: "",
|
|
expectedCount: 0,
|
|
},
|
|
}
|
|
|
|
ws := memdb.NewWatchSet()
|
|
for _, tC := range testCases {
|
|
t.Run(tC.desc, func(t *testing.T) {
|
|
iter, err := testState.GetVariablesByNamespaceAndPrefix(ws, tC.namespace, tC.prefix)
|
|
require.NoError(t, err)
|
|
|
|
var count int = 0
|
|
for raw := iter.Next(); raw != nil; raw = iter.Next() {
|
|
count++
|
|
sv := raw.(*structs.VariableEncrypted)
|
|
require.Equal(t, tC.namespace, sv.Namespace)
|
|
require.True(t, strings.HasPrefix(sv.Path, tC.prefix))
|
|
}
|
|
require.Equal(t, tC.expectedCount, count)
|
|
})
|
|
}
|
|
})
|
|
|
|
t.Run("ByPrefix", func(t *testing.T) {
|
|
testCases := []struct {
|
|
desc string
|
|
prefix string
|
|
expectedCount int
|
|
}{
|
|
{
|
|
desc: "bad prefix",
|
|
prefix: "bad",
|
|
expectedCount: 0,
|
|
},
|
|
{
|
|
desc: "multiple ns",
|
|
prefix: "a/b/c",
|
|
expectedCount: 2,
|
|
},
|
|
{
|
|
desc: "all",
|
|
prefix: "",
|
|
expectedCount: 6,
|
|
},
|
|
}
|
|
|
|
ws := memdb.NewWatchSet()
|
|
for _, tC := range testCases {
|
|
t.Run(tC.desc, func(t *testing.T) {
|
|
iter, err := testState.GetVariablesByPrefix(ws, tC.prefix)
|
|
require.NoError(t, err)
|
|
|
|
var count int = 0
|
|
for raw := iter.Next(); raw != nil; raw = iter.Next() {
|
|
count++
|
|
sv := raw.(*structs.VariableEncrypted)
|
|
require.True(t, strings.HasPrefix(sv.Path, tC.prefix))
|
|
}
|
|
require.Equal(t, tC.expectedCount, count)
|
|
})
|
|
}
|
|
})
|
|
}
|
|
func TestStateStore_ListVariablesByKeyID(t *testing.T) {
|
|
ci.Parallel(t)
|
|
testState := testStateStore(t)
|
|
|
|
// Generate some test variables and upsert them.
|
|
svs := []*structs.VariableEncrypted{}
|
|
for i := 0; i < 7; i++ {
|
|
sv := mock.VariableEncrypted()
|
|
sv.Path = uuid.Generate()
|
|
svs = append(svs, sv)
|
|
}
|
|
|
|
keyID := uuid.Generate()
|
|
|
|
expectedForKey := []string{}
|
|
for i := 0; i < 5; i++ {
|
|
svs[i].KeyID = keyID
|
|
expectedForKey = append(expectedForKey, svs[i].Path)
|
|
sort.Strings(expectedForKey)
|
|
}
|
|
|
|
expectedOrphaned := []string{svs[5].Path, svs[6].Path}
|
|
|
|
initialIndex := uint64(10)
|
|
|
|
for _, sv := range svs {
|
|
svReq := &structs.VarApplyStateRequest{
|
|
Op: structs.VarOpSet,
|
|
Var: sv,
|
|
}
|
|
initialIndex++
|
|
resp := testState.VarSet(initialIndex, svReq)
|
|
require.NoError(t, resp.Error)
|
|
}
|
|
|
|
ws := memdb.NewWatchSet()
|
|
iter, err := testState.GetVariablesByKeyID(ws, keyID)
|
|
require.NoError(t, err)
|
|
|
|
var count int
|
|
for raw := iter.Next(); raw != nil; raw = iter.Next() {
|
|
sv := raw.(*structs.VariableEncrypted)
|
|
require.Equal(t, keyID, sv.KeyID)
|
|
require.Equal(t, expectedForKey[count], sv.Path)
|
|
require.NotContains(t, expectedOrphaned, sv.Path)
|
|
count++
|
|
}
|
|
require.Equal(t, 5, count)
|
|
}
|
|
|
|
func printVariable(tsv *structs.VariableEncrypted) string {
|
|
b, _ := json.Marshal(tsv)
|
|
return string(b)
|
|
}
|
|
|
|
func printVariables(tsvs []*structs.VariableEncrypted) string {
|
|
if len(tsvs) == 0 {
|
|
return ""
|
|
}
|
|
var out strings.Builder
|
|
for _, tsv := range tsvs {
|
|
out.WriteString(printVariable(tsv) + "\n")
|
|
}
|
|
return out.String()
|
|
}
|
|
|
|
// TestStateStore_Variables_DeleteCAS
|
|
func TestStateStore_Variables_DeleteCAS(t *testing.T) {
|
|
ci.Parallel(t)
|
|
ts := testStateStore(t)
|
|
|
|
varNotExist := structs.VariableEncrypted{
|
|
VariableMetadata: structs.VariableMetadata{
|
|
Namespace: "default",
|
|
Path: "does/not/exist",
|
|
ModifyIndex: 0,
|
|
},
|
|
}
|
|
|
|
t.Run("missing_var-cas_0", func(t *testing.T) {
|
|
ci.Parallel(t)
|
|
varNotExist := varNotExist
|
|
// A CAS delete with index 0 should succeed when the variable does not
|
|
// exist in the state store.
|
|
resp := ts.VarDeleteCAS(10, &structs.VarApplyStateRequest{
|
|
Op: structs.VarOpDelete,
|
|
Var: &varNotExist,
|
|
})
|
|
require.True(t, resp.IsOk())
|
|
})
|
|
t.Run("missing_var-cas_1", func(t *testing.T) {
|
|
ci.Parallel(t)
|
|
varZero := varNotExist
|
|
varNotExist := varNotExist
|
|
// A CAS delete with a non-zero index should return a conflict when the
|
|
// variable does not exist in the state store. The conflict value should
|
|
// be a zero value having the same namespace and path.
|
|
varNotExist.ModifyIndex = 1
|
|
req := &structs.VarApplyStateRequest{
|
|
Op: structs.VarOpDelete,
|
|
Var: &varNotExist,
|
|
}
|
|
resp := ts.VarDeleteCAS(10, req)
|
|
require.True(t, resp.IsConflict())
|
|
require.NotNil(t, resp.Conflict)
|
|
require.Equal(t, varZero.VariableMetadata, resp.Conflict.VariableMetadata)
|
|
})
|
|
t.Run("real_var-cas_0", func(t *testing.T) {
|
|
ci.Parallel(t)
|
|
sv := mock.VariableEncrypted()
|
|
sv.CreateIndex = 0
|
|
sv.ModifyIndex = 0
|
|
sv.Path = "real_var/cas_0"
|
|
// Need to make a copy because VarSet mutates Var.
|
|
svZero := sv.Copy()
|
|
resp := ts.VarSet(10, &structs.VarApplyStateRequest{
|
|
Op: structs.VarOpSet,
|
|
Var: sv,
|
|
})
|
|
require.True(t, resp.IsOk(), "resp: %+v", resp)
|
|
|
|
// A CAS delete with a zero index should return a conflict when the
|
|
// variable exists in the state store. The conflict value should
|
|
// be the current state of the variable at the path.
|
|
req := &structs.VarApplyStateRequest{
|
|
Op: structs.VarOpDelete,
|
|
Var: &svZero,
|
|
}
|
|
resp = ts.VarDeleteCAS(0, req)
|
|
require.True(t, resp.IsConflict(), "resp: %+v", resp)
|
|
require.NotNil(t, resp.Conflict)
|
|
require.Equal(t, sv.VariableMetadata, resp.Conflict.VariableMetadata)
|
|
})
|
|
t.Run("real_var-cas_ok", func(t *testing.T) {
|
|
ci.Parallel(t)
|
|
sv := mock.VariableEncrypted()
|
|
sv.Path = "real_var/cas_ok"
|
|
resp := ts.VarSet(10, &structs.VarApplyStateRequest{
|
|
Op: structs.VarOpSet,
|
|
Var: sv,
|
|
})
|
|
require.True(t, resp.IsOk())
|
|
|
|
// A CAS delete with a correct index should succeed.
|
|
req := &structs.VarApplyStateRequest{
|
|
Op: structs.VarOpDelete,
|
|
Var: sv,
|
|
}
|
|
resp = ts.VarDeleteCAS(0, req)
|
|
require.True(t, resp.IsOk())
|
|
})
|
|
}
|