shell script runner

packages/api/src/controllers/runners.js

@@ -0,0 +1,93 @@
+const _ = require('lodash');
+const path = require('path');
+const fs = require('fs');
+const uuidv1 = require('uuid/v1');
+const socket = require('../utility/socket');
+const { fork } = require('child_process');
+const { rundir, uploadsdir } = require('../utility/directories');
+
+const scriptTemplate = (script) => `
+const dbgateApi = require(process.env.DBGATE_API || "@dbgate/api");
+require=null;
+async function run() {
+${script}
+}
+dbgateApi.runScript(run);
+`;
+
+module.exports = {
+  /** @type {import('@dbgate/types').OpenedRunner[]} */
+  opened: [],
+
+  dispatchMessage(runid, message) {
+    console.log('DISPATCHING', message);
+    if (_.isString(message)) {
+      socket.emit(`runner-info-${runid}`, {
+        message,
+        time: new Date(),
+        severity: 'info',
+      });
+    }
+    if (_.isPlainObject(message)) {
+      socket.emit(`runner-info-${runid}`, {
+        time: new Date(),
+        severity: 'info',
+        ...message,
+      });
+    }
+  },
+
+  handle_ping() {},
+
+  start_meta: 'post',
+  async start({ script }) {
+    const runid = uuidv1();
+    const directory = path.join(rundir(), runid);
+    const scriptFile = path.join(uploadsdir(), runid + '.js');
+    fs.writeFileSync(`${scriptFile}`, scriptTemplate(script));
+    fs.mkdirSync(directory);
+    console.log(`RUNNING SCRIPT ${scriptFile}`);
+    const subprocess = fork(scriptFile, ['--checkParent'], {
+      cwd: directory,
+      stdio: ['ignore', 'pipe', 'pipe', 'ipc'],
+      env: {
+        DBGATE_API: process.argv[1],
+      },
+    });
+    subprocess.stdout.on('data', (data) => this.dispatchMessage(runid, data.toString()));
+    subprocess.stderr.on('data', (data) =>
+      data.toString.split('\n').forEach((message) => {
+        this.dispatchMessage(runid, { severity: 'error', message });
+      })
+    );
+    subprocess.on('exit', (code) => {
+      socket.emit(`runner-done-${runid}`, code);
+    });
+    subprocess.on('error', (error) => {
+      this.dispatchMessage({
+        severity: 'error',
+        message: error.toString(),
+      });
+    });
+    const newOpened = {
+      runid,
+      subprocess,
+    };
+    this.opened.push(newOpened);
+    // @ts-ignore
+    subprocess.on('message', ({ msgtype, ...message }) => {
+      this[`handle_${msgtype}`](runid, message);
+    });
+    return newOpened;
+  },
+
+  cancel_meta: 'post',
+  async cancel({ runid }) {
+    const session = this.opened.find((x) => x.runid == runid);
+    if (!session) {
+      throw new Error('Invalid runner');
+    }
+    session.subprocess.kill();
+    return { state: 'ok' };
+  },
+};

packages/api/src/main.js

@@ -15,11 +15,12 @@ const serverConnections = require('./controllers/serverConnections');
 const databaseConnections = require('./controllers/databaseConnections');
 const metadata = require('./controllers/metadata');
 const sessions = require('./controllers/sessions');
+const runners = require('./controllers/runners');
 const jsldata = require('./controllers/jsldata');
 const config = require('./controllers/config');
 
 function start(argument = null) {
-  console.log('process.argv', process.argv);
+  // console.log('process.argv', process.argv);
 
   const app = express();
 
@@ -34,6 +35,7 @@ function start(argument = null) {
   useController(app, '/database-connections', databaseConnections);
   useController(app, '/metadata', metadata);
   useController(app, '/sessions', sessions);
+  useController(app, '/runners', runners);
   useController(app, '/jsldata', jsldata);
   useController(app, '/config', config);
 

packages/api/src/shell/runScript.js

@@ -1,4 +1,9 @@
+const childProcessChecker = require('../utility/childProcessChecker');
+
 async function runScript(func) {
+  if (process.argv.includes('--checkParent')) {
+    childProcessChecker();
+  }
   try {
     await func();
     process.exit(0);

packages/api/src/utility/childProcessChecker.js

@@ -9,7 +9,7 @@ function childProcessChecker() {
       // One way can be to check for error code ERR_IPC_CHANNEL_CLOSED
       //     and call process.exit()
       console.log('parent died', ex.toString());
-      process.exit();
+      process.exit(1);
     }
   }, 1000);
 }

packages/api/src/utility/directories.js

@@ -3,7 +3,7 @@ const path = require('path');
 const fs = require('fs');
 
 let createdDatadir = false;
-let createdJsldir = false;
+const createDirectories = {};
 
 function datadir() {
   const dir = path.join(os.homedir(), 'dbgate-data');
@@ -18,20 +18,26 @@ function datadir() {
   return dir;
 }
 
-function jsldir() {
+const dirFunc = (dirname) => () => {
-  const dir = path.join(datadir(), 'jsl');
+  const dir = path.join(datadir(), dirname);
-  if (!createdJsldir) {
+  if (!createDirectories[dirname]) {
     if (!fs.existsSync(dir)) {
       console.log(`Creating jsl directory ${dir}`);
       fs.mkdirSync(dir);
     }
-    createdJsldir = true;
+    createDirectories[dirname] = true;
   }
 
   return dir;
-}
+};
+
+const jsldir = dirFunc('jsl');
+const rundir = dirFunc('run');
+const uploadsdir = dirFunc('uploads');
 
 module.exports = {
   datadir,
   jsldir,
+  rundir,
+  uploadsdir,
 };

packages/types/index.d.ts

@@ -19,6 +19,11 @@ export interface OpenedSession {
   subprocess: ChildProcess;
 }
 
+export interface OpenedRunner {
+  runid: string;
+  subprocess: ChildProcess;
+}
+
 export interface StoredConnection {
   engine: string;
   server: string;

packages/web/src/impexp/ScriptCreator.js

@@ -1,49 +0,0 @@
-import ScriptWriter from './ScriptWriter';
-
-export default class ScriptCreator {
-  constructor() {
-    this.varCount = 0;
-    this.commands = [];
-  }
-  allocVariable(prefix = 'var') {
-    this.varCount += 1;
-    return `${prefix}${this.varCount}`;
-  }
-  getCode() {
-    const writer = new ScriptWriter();
-    for (const command of this.commands) {
-      const { type } = command;
-      switch (type) {
-        case 'assign':
-          {
-            const { variableName, functionName, props } = command;
-            writer.assign(variableName, functionName, props);
-          }
-          break;
-        case 'copyStream':
-          {
-            const { sourceVar, targetVar } = command;
-            writer.copyStream(sourceVar, targetVar);
-          }
-          break;
-      }
-    }
-    writer.finish();
-    return writer.s;
-  }
-  assign(variableName, functionName, props) {
-    this.commands.push({
-      type: 'assign',
-      variableName,
-      functionName,
-      props,
-    });
-  }
-  copyStream(sourceVar, targetVar) {
-    this.commands.push({
-      type: 'copyStream',
-      sourceVar,
-      targetVar,
-    });
-  }
-}

packages/web/src/impexp/ScriptWriter.js

@@ -1,9 +1,12 @@
 export default class ScriptWriter {
   constructor() {
     this.s = '';
-    this.put('const dbgateApi = require("@dbgate/api");');
+    this.varCount = 0;
-    this.put();
+  }
-    this.put('async function run() {');
+
+  allocVariable(prefix = 'var') {
+    this.varCount += 1;
+    return `${prefix}${this.varCount}`;
   }
 
   put(s = '') {
@@ -11,12 +14,6 @@ export default class ScriptWriter {
     this.s += '\n';
   }
 
-  finish() {
-    this.put('}');
-    this.put();
-    this.put('dbgateApi.runScript(run);');
-  }
-
   assign(variableName, functionName, props) {
     this.put(`const ${variableName} = await dbgateApi.${functionName}(${JSON.stringify(props)});`);
   }

packages/web/src/impexp/createImpExpScript.js

@@ -1,12 +1,12 @@
 import _ from 'lodash';
-import ScriptCreator from './ScriptCreator';
+import ScriptWriter from './ScriptWriter';
 import getAsArray from '../utility/getAsArray';
 import { getConnectionInfo } from '../utility/metadataLoaders';
 import engines from '@dbgate/engines';
 import { quoteFullName, fullNameFromString } from '@dbgate/datalib';
 
 export default async function createImpExpScript(values) {
-  const script = new ScriptCreator();
+  const script = new ScriptWriter();
   if (values.sourceStorageType == 'database') {
     const tables = getAsArray(values.sourceTables);
     for (const table of tables) {
@@ -29,7 +29,8 @@ export default async function createImpExpScript(values) {
       });
 
       script.copyStream(sourceVar, targetVar);
+      script.put();
     }
   }
-  return script.getCode();
+  return script.s;
 }

packages/web/src/query/ShellToolbar.js

@@ -0,0 +1,15 @@
+import React from 'react';
+import ToolbarButton from '../widgets/ToolbarButton';
+
+export default function ShellToolbar({ execute, cancel, busy}) {
+  return (
+    <>
+      <ToolbarButton disabled={busy} onClick={execute} icon="fas fa-play">
+        Execute
+      </ToolbarButton>
+      <ToolbarButton disabled={!busy} onClick={cancel} icon="fas fa-times">
+        Cancel
+      </ToolbarButton>
+    </>
+  );
+}

packages/web/src/query/SocketMessagesView.js

@@ -3,7 +3,7 @@ import React from 'react';
 import MessagesView from './MessagesView';
 import useSocket from '../utility/SocketProvider';
 
-export default function SessionMessagesView({ sessionId, onMessageClick, executeNumber }) {
+export default function SocketMessagesView({ eventName, onMessageClick = undefined, executeNumber }) {
   const [displayedMessages, setDisplayedMessages] = React.useState([]);
   const cachedMessagesRef = React.useRef([]);
   const socket = useSocket();
@@ -27,13 +27,13 @@ export default function SessionMessagesView({ sessionId, onMessageClick, execute
   }, [executeNumber]);
 
   React.useEffect(() => {
-    if (sessionId && socket) {
+    if (eventName && socket) {
-      socket.on(`session-info-${sessionId}`, handleInfo);
+      socket.on(eventName, handleInfo);
       return () => {
-        socket.off(`session-info-${sessionId}`, handleInfo);
+        socket.off(eventName, handleInfo);
       };
     }
-  }, [sessionId, socket]);
+  }, [eventName, socket]);
 
   return <MessagesView items={displayedMessages} onMessageClick={onMessageClick} />;
 }

packages/web/src/tabs/QueryTab.js

@@ -8,7 +8,7 @@ import { useConnectionInfo, getTableInfo, getConnectionInfo, getSqlObjectInfo }
 import SqlEditor from '../sqleditor/SqlEditor';
 import { useUpdateDatabaseForTab, useSetOpenedTabs, useOpenedTabs } from '../utility/globalState';
 import QueryToolbar from '../query/QueryToolbar';
-import SessionMessagesView from '../query/SessionMessagesView';
+import SocketMessagesView from '../query/SocketMessagesView';
 import { TabPage } from '../widgets/TabControl';
 import ResultTabs from '../sqleditor/ResultTabs';
 import { VerticalSplitter } from '../widgets/Splitter';
@@ -143,6 +143,7 @@ export default function QueryTab({
   };
 
   const handleExecute = async () => {
+    if (busy) return;
     setExecuteNumber((num) => num + 1);
     const selectedText = editorRef.current.editor.getSelectedText();
 
@@ -204,8 +205,8 @@ export default function QueryTab({
         {sessionId && (
           <ResultTabs sessionId={sessionId} executeNumber={executeNumber}>
             <TabPage label="Messages" key="messages">
-              <SessionMessagesView
+              <SocketMessagesView
-                sessionId={sessionId}
+                eventName={sessionId ? `session-info-${sessionId}` : null}
                 onMessageClick={handleMesageClick}
                 executeNumber={executeNumber}
               />

packages/web/src/tabs/ShellTab.js

@@ -8,7 +8,7 @@ import { useConnectionInfo, getTableInfo, getConnectionInfo, getSqlObjectInfo }
 import SqlEditor from '../sqleditor/SqlEditor';
 import { useUpdateDatabaseForTab, useSetOpenedTabs, useOpenedTabs } from '../utility/globalState';
 import QueryToolbar from '../query/QueryToolbar';
-import SessionMessagesView from '../query/SessionMessagesView';
+import SocketMessagesView from '../query/SocketMessagesView';
 import { TabPage } from '../widgets/TabControl';
 import ResultTabs from '../sqleditor/ResultTabs';
 import { VerticalSplitter } from '../widgets/Splitter';
@@ -19,11 +19,10 @@ import SaveSqlFileModal from '../modals/SaveSqlFileModal';
 import useModalState from '../modals/useModalState';
 import sqlFormatter from 'sql-formatter';
 import JavaScriptEditor from '../sqleditor/JavaScriptEditor';
+import ShellToolbar from '../query/ShellToolbar';
 
 export default function ShellTab({
   tabid,
-  conid,
-  database,
   initialArgs,
   tabVisible,
   toolbarPortalRef,
@@ -43,6 +42,11 @@ export default function ShellTab({
   const saveToStorageDebounced = React.useMemo(() => _.debounce(saveToStorage, 5000), [saveToStorage]);
   const setOpenedTabs = useSetOpenedTabs();
 
+  const [executeNumber, setExecuteNumber] = React.useState(0);
+  const [runnerId, setRunnerId] = React.useState(null);
+
+  const socket = useSocket();
+
   React.useEffect(() => {
     window.addEventListener('beforeunload', saveToStorage);
     return () => {
@@ -68,8 +72,18 @@ export default function ShellTab({
 
   const editorRef = React.useRef(null);
 
-  useUpdateDatabaseForTab(tabVisible, conid, database);
+  const handleRunnerDone = React.useCallback(() => {
-  const connection = useConnectionInfo({ conid });
+    setBusy(false);
+  }, []);
+
+  React.useEffect(() => {
+    if (runnerId && socket) {
+      socket.on(`runner-done-${runnerId}`, handleRunnerDone);
+      return () => {
+        socket.off(`runner-done-${runnerId}`, handleRunnerDone);
+      };
+    }
+  }, [runnerId, socket]);
 
   const handleChange = (text) => {
     if (text != null) shellTextRef.current = text;
@@ -77,12 +91,24 @@ export default function ShellTab({
     saveToStorageDebounced();
   };
 
-  const handleExecute = async () => {};
+  const handleExecute = async () => {
+    if (busy) return;
+    setExecuteNumber((num) => num + 1);
+    const selectedText = editorRef.current.editor.getSelectedText();
+
+    let runid = runnerId;
+    const resp = await axios.post('runners/start', {
+      script: selectedText || shellText,
+    });
+    runid = resp.data.runid;
+    setRunnerId(runid);
+    setBusy(true);
+  };
 
   const handleCancel = () => {
-    // axios.post('sessions/cancel', {
+    axios.post('runners/cancel', {
-    //   sesid: sessionId,
+      runid: runnerId,
-    // });
+    });
   };
 
   const handleKeyDown = (data, hash, keyString, keyCode, event) => {
@@ -102,7 +128,19 @@ export default function ShellTab({
           onKeyDown={handleKeyDown}
           editorRef={editorRef}
         />
+        <SocketMessagesView eventName={runnerId ? `runner-info-${runnerId}` : null} executeNumber={executeNumber} />
       </VerticalSplitter>
+      {toolbarPortalRef &&
+        toolbarPortalRef.current &&
+        tabVisible &&
+        ReactDOM.createPortal(
+          <ShellToolbar
+            execute={handleExecute}
+            busy={busy}
+            cancel={handleCancel}
+          />,
+          toolbarPortalRef.current
+        )}
     </>
   );
 }