mirror of
https://github.com/fnproject/fn.git
synced 2022-10-28 21:29:17 +03:00
410 lines
9.4 KiB
Go
410 lines
9.4 KiB
Go
package postgres
|
|
|
|
import (
|
|
"database/sql"
|
|
"encoding/json"
|
|
"fmt"
|
|
"net/url"
|
|
|
|
"context"
|
|
|
|
"gitlab-odx.oracle.com/odx/functions/api/datastore/internal/datastoreutil"
|
|
"gitlab-odx.oracle.com/odx/functions/api/models"
|
|
"github.com/lib/pq"
|
|
_ "github.com/lib/pq"
|
|
)
|
|
|
|
const routesTableCreate = `
|
|
CREATE TABLE IF NOT EXISTS routes (
|
|
app_name character varying(256) NOT NULL,
|
|
path text NOT NULL,
|
|
image character varying(256) NOT NULL,
|
|
format character varying(16) NOT NULL,
|
|
maxc integer NOT NULL,
|
|
memory integer NOT NULL,
|
|
timeout integer NOT NULL,
|
|
idle_timeout integer NOT NULL,
|
|
type character varying(16) NOT NULL,
|
|
headers text NOT NULL,
|
|
config text NOT NULL,
|
|
PRIMARY KEY (app_name, path)
|
|
);`
|
|
|
|
const appsTableCreate = `CREATE TABLE IF NOT EXISTS apps (
|
|
name character varying(256) NOT NULL PRIMARY KEY,
|
|
config text NOT NULL
|
|
);`
|
|
|
|
const extrasTableCreate = `CREATE TABLE IF NOT EXISTS extras (
|
|
key character varying(256) NOT NULL PRIMARY KEY,
|
|
value character varying(256) NOT NULL
|
|
);`
|
|
|
|
const routeSelector = `SELECT app_name, path, image, format, maxc, memory, type, timeout, idle_timeout, headers, config FROM routes`
|
|
|
|
const callsTableCreate = `CREATE TABLE IF NOT EXISTS calls (
|
|
created_at character varying(256) NOT NULL,
|
|
started_at character varying(256) NOT NULL,
|
|
completed_at character varying(256) NOT NULL,
|
|
status character varying(256) NOT NULL,
|
|
id character varying(256) NOT NULL,
|
|
app_name character varying(256) NOT NULL,
|
|
path character varying(256) NOT NULL,
|
|
PRIMARY KEY (id)
|
|
);`
|
|
|
|
const callSelector = `SELECT id, created_at, started_at, completed_at, status, app_name, path FROM calls`
|
|
|
|
type PostgresDatastore struct {
|
|
db *sql.DB
|
|
}
|
|
|
|
func New(url *url.URL) (models.Datastore, error) {
|
|
tables := []string{routesTableCreate, appsTableCreate, extrasTableCreate, callsTableCreate}
|
|
sqlDatastore := &PostgresDatastore{}
|
|
dialect := "postgres"
|
|
|
|
db, err := datastoreutil.NewDatastore(url.String(), dialect, tables)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
sqlDatastore.db = db
|
|
return datastoreutil.NewValidator(sqlDatastore), nil
|
|
}
|
|
|
|
func (ds *PostgresDatastore) InsertApp(ctx context.Context, app *models.App) (*models.App, error) {
|
|
var cbyte []byte
|
|
var err error
|
|
|
|
if app.Config != nil {
|
|
cbyte, err = json.Marshal(app.Config)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
_, err = ds.db.Exec(`INSERT INTO apps (name, config) VALUES ($1, $2);`,
|
|
app.Name,
|
|
string(cbyte),
|
|
)
|
|
|
|
if err != nil {
|
|
pqErr := err.(*pq.Error)
|
|
if pqErr.Code == "23505" {
|
|
return nil, models.ErrAppsAlreadyExists
|
|
}
|
|
return nil, err
|
|
}
|
|
|
|
return app, nil
|
|
}
|
|
|
|
func (ds *PostgresDatastore) UpdateApp(ctx context.Context, newapp *models.App) (*models.App, error) {
|
|
app := &models.App{Name: newapp.Name}
|
|
err := ds.Tx(func(tx *sql.Tx) error {
|
|
row := ds.db.QueryRow("SELECT config FROM apps WHERE name=$1", app.Name)
|
|
|
|
var config string
|
|
if err := row.Scan(&config); err != nil {
|
|
if err == sql.ErrNoRows {
|
|
return models.ErrAppsNotFound
|
|
}
|
|
return err
|
|
}
|
|
|
|
if len(config) > 0 {
|
|
err := json.Unmarshal([]byte(config), &app.Config)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
app.UpdateConfig(newapp.Config)
|
|
|
|
cbyte, err := json.Marshal(app.Config)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
res, err := ds.db.Exec(`UPDATE apps SET config = $2 WHERE name = $1;`, app.Name, string(cbyte))
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if n, err := res.RowsAffected(); err != nil {
|
|
return err
|
|
} else if n == 0 {
|
|
return models.ErrAppsNotFound
|
|
}
|
|
return nil
|
|
})
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return app, nil
|
|
}
|
|
|
|
func (ds *PostgresDatastore) RemoveApp(ctx context.Context, appName string) error {
|
|
_, err := ds.db.Exec(`DELETE FROM apps WHERE name = $1`, appName)
|
|
|
|
return err
|
|
}
|
|
|
|
func (ds *PostgresDatastore) GetApp(ctx context.Context, name string) (*models.App, error) {
|
|
queryStr := "SELECT name, config FROM apps WHERE name=$1"
|
|
queryArgs := []interface{}{name}
|
|
|
|
return datastoreutil.SQLGetApp(ds.db, queryStr, queryArgs...)
|
|
}
|
|
|
|
func (ds *PostgresDatastore) GetApps(ctx context.Context, filter *models.AppFilter) ([]*models.App, error) {
|
|
whereStm := "WHERE name LIKE $1"
|
|
selectStm := "SELECT DISTINCT * FROM apps %s"
|
|
|
|
return datastoreutil.SQLGetApps(ds.db, filter, whereStm, selectStm)
|
|
}
|
|
|
|
func (ds *PostgresDatastore) InsertRoute(ctx context.Context, route *models.Route) (*models.Route, error) {
|
|
hbyte, err := json.Marshal(route.Headers)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
cbyte, err := json.Marshal(route.Config)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
err = ds.Tx(func(tx *sql.Tx) error {
|
|
r := tx.QueryRow(`SELECT 1 FROM apps WHERE name=$1`, route.AppName)
|
|
if err := r.Scan(new(int)); err != nil {
|
|
if err == sql.ErrNoRows {
|
|
return models.ErrAppsNotFound
|
|
}
|
|
return err
|
|
}
|
|
|
|
same, err := tx.Query(`SELECT 1 FROM routes WHERE app_name=$1 AND path=$2`,
|
|
route.AppName, route.Path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer same.Close()
|
|
if same.Next() {
|
|
return models.ErrRoutesAlreadyExists
|
|
}
|
|
|
|
_, err = tx.Exec(`
|
|
INSERT INTO routes (
|
|
app_name,
|
|
path,
|
|
image,
|
|
format,
|
|
maxc,
|
|
memory,
|
|
type,
|
|
timeout,
|
|
idle_timeout,
|
|
headers,
|
|
config
|
|
)
|
|
VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11);`,
|
|
route.AppName,
|
|
route.Path,
|
|
route.Image,
|
|
route.Format,
|
|
route.MaxConcurrency,
|
|
route.Memory,
|
|
route.Type,
|
|
route.Timeout,
|
|
route.IdleTimeout,
|
|
string(hbyte),
|
|
string(cbyte),
|
|
)
|
|
return err
|
|
})
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return route, nil
|
|
}
|
|
|
|
func (ds *PostgresDatastore) UpdateRoute(ctx context.Context, newroute *models.Route) (*models.Route, error) {
|
|
var route models.Route
|
|
err := ds.Tx(func(tx *sql.Tx) error {
|
|
row := ds.db.QueryRow(fmt.Sprintf("%s WHERE app_name=$1 AND path=$2", routeSelector), newroute.AppName, newroute.Path)
|
|
if err := datastoreutil.ScanRoute(row, &route); err == sql.ErrNoRows {
|
|
return models.ErrRoutesNotFound
|
|
} else if err != nil {
|
|
return err
|
|
}
|
|
|
|
route.Update(newroute)
|
|
|
|
hbyte, err := json.Marshal(route.Headers)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
cbyte, err := json.Marshal(route.Config)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
res, err := tx.Exec(`
|
|
UPDATE routes SET
|
|
image = $3,
|
|
format = $4,
|
|
maxc = $5,
|
|
memory = $6,
|
|
type = $7,
|
|
timeout = $8,
|
|
idle_timeout = $9,
|
|
headers = $10,
|
|
config = $11
|
|
WHERE app_name = $1 AND path = $2;`,
|
|
route.AppName,
|
|
route.Path,
|
|
route.Image,
|
|
route.Format,
|
|
route.MaxConcurrency,
|
|
route.Memory,
|
|
route.Type,
|
|
route.Timeout,
|
|
route.IdleTimeout,
|
|
string(hbyte),
|
|
string(cbyte),
|
|
)
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
if n, err := res.RowsAffected(); err != nil {
|
|
return err
|
|
} else if n == 0 {
|
|
return models.ErrRoutesNotFound
|
|
}
|
|
|
|
return nil
|
|
})
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &route, nil
|
|
}
|
|
|
|
func (ds *PostgresDatastore) RemoveRoute(ctx context.Context, appName, routePath string) error {
|
|
deleteStm := `DELETE FROM routes WHERE path = $1 AND app_name = $2`
|
|
|
|
return datastoreutil.SQLRemoveRoute(ds.db, appName, routePath, deleteStm)
|
|
}
|
|
|
|
func (ds *PostgresDatastore) GetRoute(ctx context.Context, appName, routePath string) (*models.Route, error) {
|
|
rSelectCondition := "%s WHERE app_name=$1 AND path=$2"
|
|
|
|
return datastoreutil.SQLGetRoute(ds.db, appName, routePath, rSelectCondition, routeSelector)
|
|
}
|
|
|
|
func (ds *PostgresDatastore) GetRoutes(ctx context.Context, filter *models.RouteFilter) ([]*models.Route, error) {
|
|
whereStm := "WHERE %s $1"
|
|
andStm := " AND %s $%d"
|
|
|
|
return datastoreutil.SQLGetRoutes(ds.db, filter, routeSelector, whereStm, andStm)
|
|
}
|
|
|
|
func (ds *PostgresDatastore) GetRoutesByApp(ctx context.Context, appName string, filter *models.RouteFilter) ([]*models.Route, error) {
|
|
defaultFilterQuery := "WHERE app_name = $1"
|
|
whereStm := "WHERE %s $1"
|
|
andStm := " AND %s $%d"
|
|
|
|
return datastoreutil.SQLGetRoutesByApp(ds.db, appName, filter, routeSelector, defaultFilterQuery, whereStm, andStm)
|
|
}
|
|
|
|
func (ds *PostgresDatastore) Put(ctx context.Context, key, value []byte) error {
|
|
_, err := ds.db.Exec(`
|
|
INSERT INTO extras (
|
|
key,
|
|
value
|
|
)
|
|
VALUES ($1, $2)
|
|
ON CONFLICT (key) DO UPDATE SET
|
|
value = $2;
|
|
`, string(key), string(value))
|
|
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (ds *PostgresDatastore) Get(ctx context.Context, key []byte) ([]byte, error) {
|
|
row := ds.db.QueryRow("SELECT value FROM extras WHERE key=$1", key)
|
|
|
|
var value string
|
|
err := row.Scan(&value)
|
|
if err == sql.ErrNoRows {
|
|
return nil, nil
|
|
} else if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return []byte(value), nil
|
|
}
|
|
|
|
func (ds *PostgresDatastore) Tx(f func(*sql.Tx) error) error {
|
|
tx, err := ds.db.Begin()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
err = f(tx)
|
|
if err != nil {
|
|
tx.Rollback()
|
|
return err
|
|
}
|
|
return tx.Commit()
|
|
}
|
|
|
|
func (ds *PostgresDatastore) InsertTask(ctx context.Context, task *models.Task) error {
|
|
err := ds.Tx(func(tx *sql.Tx) error {
|
|
_, err := tx.Exec(
|
|
`INSERT INTO calls (
|
|
id,
|
|
created_at,
|
|
started_at,
|
|
completed_at,
|
|
status,
|
|
app_name,
|
|
path) VALUES ($1, $2, $3, $4, $5, $6, $7);`,
|
|
task.ID,
|
|
task.CreatedAt.String(),
|
|
task.StartedAt.String(),
|
|
task.CompletedAt.String(),
|
|
task.Status,
|
|
task.AppName,
|
|
task.Path,
|
|
)
|
|
return err
|
|
})
|
|
return err
|
|
}
|
|
|
|
func (ds *PostgresDatastore) GetTask(ctx context.Context, callID string) (*models.FnCall, error) {
|
|
whereStm := "%s WHERE id=$1"
|
|
|
|
return datastoreutil.SQLGetCall(ds.db, callSelector, callID, whereStm)
|
|
}
|
|
|
|
func (ds *PostgresDatastore) GetTasks(ctx context.Context, filter *models.CallFilter) (models.FnCalls, error) {
|
|
whereStm := "WHERE %s $1"
|
|
andStm := " AND %s $2"
|
|
|
|
return datastoreutil.SQLGetCalls(ds.db, callSelector, filter, whereStm, andStm)
|
|
}
|