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Merge pull request #29157 from remilapeyre/unique-constraint

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Add uniqueness constraint on workspaces name for the pg backend
This commit is contained in:
James Bardin 2021-07-20 15:11:35 -04:00 committed by GitHub
commit 431aa0280e
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3 changed files with 39 additions and 17 deletions
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2
internal/backend/remote-state/pg/backend.go
View File

@ -111,7 +111,7 @@ func (b *Backend) configure(ctx context.Context) error {
query = `CREATE TABLE IF NOT EXISTS %s.%s (
id bigint NOT NULL DEFAULT nextval('public.global_states_id_seq') PRIMARY KEY,
name text,
name text UNIQUE,
data text
)`
if _, err := db.Exec(fmt.Sprintf(query, b.schemaName, statesTableName)); err != nil {

48
internal/backend/remote-state/pg/backend_test.go
View File

@ -89,11 +89,13 @@ func TestBackendConfigSkipOptions(t *testing.T) {
SkipSchemaCreation bool
SkipTableCreation bool
SkipIndexCreation bool
TestIndexIsPresent bool
Setup func(t *testing.T, db *sql.DB, schemaName string)
}{
{
Name: "skip_schema_creation",
SkipSchemaCreation: true,
TestIndexIsPresent: true,
Setup: func(t *testing.T, db *sql.DB, schemaName string) {
// create the schema as a prerequisites
_, err := db.Query(fmt.Sprintf(`CREATE SCHEMA IF NOT EXISTS %s`, schemaName))
@ -103,8 +105,9 @@ func TestBackendConfigSkipOptions(t *testing.T) {
},
},
{
Name: "skip_table_creation",
SkipTableCreation: true,
Name: "skip_table_creation",
SkipTableCreation: true,
TestIndexIsPresent: true,
Setup: func(t *testing.T, db *sql.DB, schemaName string) {
// since the table needs to be already created the schema must be too
_, err := db.Query(fmt.Sprintf(`CREATE SCHEMA %s`, schemaName))
@ -122,8 +125,9 @@ func TestBackendConfigSkipOptions(t *testing.T) {
},
},
{
Name: "skip_index_creation",
SkipIndexCreation: true,
Name: "skip_index_creation",
SkipIndexCreation: true,
TestIndexIsPresent: true,
Setup: func(t *testing.T, db *sql.DB, schemaName string) {
// Everything need to exists for the index to be created
_, err := db.Query(fmt.Sprintf(`CREATE SCHEMA %s`, schemaName))
@ -144,6 +148,10 @@ func TestBackendConfigSkipOptions(t *testing.T) {
}
},
},
{
Name: "missing_index",
SkipIndexCreation: true,
},
}
for _, tc := range testCases {
@ -163,7 +171,9 @@ func TestBackendConfigSkipOptions(t *testing.T) {
t.Fatal(err)
}
tc.Setup(t, db, schemaName)
if tc.Setup != nil {
tc.Setup(t, db, schemaName)
}
defer db.Query(fmt.Sprintf("DROP SCHEMA IF EXISTS %s CASCADE", schemaName))
b := backend.TestBackendConfig(t, New(), config).(*Backend)
@ -179,14 +189,16 @@ func TestBackendConfigSkipOptions(t *testing.T) {
if err != nil {
t.Fatal(err)
}
// Make sure that the index exists
query := `select count(*) from pg_indexes where schemaname=$1 and tablename=$2 and indexname=$3;`
var count int
if err := b.db.QueryRow(query, tc.Name, statesTableName, statesIndexName).Scan(&count); err != nil {
t.Fatal(err)
}
if count != 1 {
t.Fatalf("The index has not been created (%d)", count)
if tc.TestIndexIsPresent {
// Make sure that the index exists
query := `select count(*) from pg_indexes where schemaname=$1 and tablename=$2 and indexname=$3;`
var count int
if err := b.db.QueryRow(query, tc.Name, statesTableName, statesIndexName).Scan(&count); err != nil {
t.Fatal(err)
}
if count != 1 {
t.Fatalf("The index has not been created (%d)", count)
}
}
_, err = b.StateMgr(backend.DefaultStateName)
@ -202,6 +214,16 @@ func TestBackendConfigSkipOptions(t *testing.T) {
if c.Name != backend.DefaultStateName {
t.Fatal("RemoteClient name is not configured")
}
// Make sure that all workspace must have a unique name
_, err = db.Exec(fmt.Sprintf(`INSERT INTO %s.%s VALUES (100, 'unique_name_test', '')`, schemaName, statesTableName))
if err != nil {
t.Fatal(err)
}
_, err = db.Exec(fmt.Sprintf(`INSERT INTO %s.%s VALUES (101, 'unique_name_test', '')`, schemaName, statesTableName))
if err == nil {
t.Fatal("Creating two workspaces with the same name did not raise an error")
}
})
}

6
website/docs/language/settings/backends/pg.html.md
View File

@ -73,9 +73,9 @@ The following configuration options or environment variables are supported:
* `conn_str` - (Required) Postgres connection string; a `postgres://` URL
* `schema_name` - Name of the automatically-managed Postgres schema, default `terraform_remote_state`.
* `skip_schema_creation` - If set to `true`, the Postgres schema must already exist. Terraform won't try to create the schema. Useful when the Postgres user does not have "create schema" permission on the database.
* `skip_table_creation` - If set to `true`, the Postgres table must already exist. Terraform won't try to create the table. Useful when the Postgres user does not have "create table" permission on the database.
* `skip_index_creation` - If set to `true`, the Postgres index must already exist. Terraform won't try to create the index. Useful when the Postgres user does not have "create index" permission on the database.
* `skip_schema_creation` - If set to `true`, the Postgres schema must already exist. Terraform won't try to create the schema, this is useful when it has already been created by a database administrator.
* `skip_table_creation` - If set to `true`, the Postgres table must already exist. Terraform won't try to create the table, this is useful when it has already been created by a database administrator.
* `skip_index_creation` - If set to `true`, the Postgres index must already exist. Terraform won't try to create the index, this is useful when it has already been created by a database administrator.
## Technical Design