Add a Create Service Profile dialog (#1933)

Add the ability to create and download a service profile from the web UI.

This form will be displayed in the call to action if no route metrics are found.

web/app/js/components/ConfigureProfilesMsg.jsx

@@ -1,24 +1,130 @@
+import Button from '@material-ui/core/Button';
 import Card from '@material-ui/core/Card';
 import CardContent from '@material-ui/core/CardContent';
+import Dialog from '@material-ui/core/Dialog';
+import DialogActions from '@material-ui/core/DialogActions';
+import DialogContent from '@material-ui/core/DialogContent';
+import DialogContentText from '@material-ui/core/DialogContentText';
+import DialogTitle from '@material-ui/core/DialogTitle';
 import PropTypes from 'prop-types';
 import React from 'react';
+import TextField from '@material-ui/core/TextField';
 import Typography from '@material-ui/core/Typography';
+import _ from 'lodash';
+import { withContext } from './util/AppContext.jsx';
 import { withStyles } from '@material-ui/core/styles';
 
 const styles = theme => ({
+  button: {
+    margin: theme.spacing.unit,
+  },
+  container: {
+    display: 'flex',
+    flexWrap: 'wrap',
+  },
+  textField: {
+    marginLeft: theme.spacing.unit,
+    marginRight: theme.spacing.unit,
+    width: 200,
+  },
   root: {
     marginTop: theme.spacing.unit * 3,
     marginBottom: theme.spacing.unit * 3,
   },
 });
 class ConfigureProfilesMsg extends React.Component {
+  constructor(props) {
+    super(props);
+    this.state = {
+      open: false,
+      query: {
+        service: "",
+        namespace: ""
+      }
+    };
+  }
+
+  handleClickOpen = () => {
+    this.setState({ open: true });
+  };
+
+  handleClose = () => {
+    this.setState({ open: false });
+  };
+
+  handleChange = name => {
+    let state = this.state;
+
+    return e => {
+      state.query[name] = e.target.value;
+      this.setState(state);
+    };
+  }
+
+  renderDownloadProfileForm = () => {
+    const { api, classes } = this.props;
+    let { query } = this.state;
+
+    let downloadUrl = api.prefixedUrl(`/profiles/new?service=${query.service}&namespace=${query.namespace}`);
+
+    return (
+      <React.Fragment>
+        <Button
+          className={classes.button}
+          variant="outlined"
+          color="primary"
+          onClick={this.handleClickOpen}>Create Service Profile
+        </Button>
+
+        <Dialog
+          open={this.state.open}
+          onClose={this.handleClose}
+          aria-labelledby="form-dialog-title">
+          <DialogTitle id="form-dialog-title">New service profile</DialogTitle>
+          <DialogContent>
+            <DialogContentText>
+              To create a service profile, download a profile and then apply it with `kubectl apply`.
+            </DialogContentText>
+            <TextField
+              id="service"
+              label="Service"
+              className={classes.textField}
+              value={this.state.service}
+              onChange={this.handleChange('service')}
+              margin="normal" />
+            <TextField
+              id="namespace"
+              label="Namespace"
+              className={classes.textField}
+              value={this.state.name}
+              onChange={this.handleChange('namespace')}
+              margin="normal" />
+          </DialogContent>
+
+          <DialogActions>
+            <Button onClick={this.handleClose} color="primary">Cancel</Button>
+            <a href={downloadUrl} style={{ textDecoration: 'none' }}>
+              <Button
+                disabled={_.isEmpty(query.service) || _.isEmpty(query.namespace)}
+                onClick={this.handleClose}
+                color="primary">Download
+              </Button>
+            </a>
+          </DialogActions>
+        </Dialog>
+      </React.Fragment>
+    );
+  }
+
   render() {
     const { classes } = this.props;
+
     return (
       <Card className={classes.root}>
         <CardContent>
-          <Typography>
+          <Typography component="div">
-            No traffic found.  Does the service have a service profile?  You can create one with the `linkerd profile` command.
+            No traffic found.  Does the service have a service profile?
+            {this.renderDownloadProfileForm()}
           </Typography>
         </CardContent>
       </Card>
@@ -27,7 +133,10 @@ class ConfigureProfilesMsg extends React.Component {
 }
 
 ConfigureProfilesMsg.propTypes = {
+  api: PropTypes.shape({
+    prefixedFetch: PropTypes.func.isRequired,
+  }).isRequired,
   classes: PropTypes.shape({}).isRequired
 };
 
-export default withStyles(styles, { withTheme: true })(ConfigureProfilesMsg);
+export default withContext(withStyles(styles, { withTheme: true })(ConfigureProfilesMsg));

web/app/js/components/util/ApiHelpers.jsx

@@ -64,6 +64,7 @@ const ApiHelpers = (pathPrefix, defaultMetricsWindow = '1m') => {
     "1h": "1 hour"
   };
 
+  // for getting json api results
   const apiFetch = path => {
     if (!_.isEmpty(pathPrefix)) {
       path = `${pathPrefix}${path}`;
@@ -72,6 +73,15 @@ const ApiHelpers = (pathPrefix, defaultMetricsWindow = '1m') => {
     return makeCancelable(fetch(path), r => r.json());
   };
 
+  // for getting non-json results
+  const prefixedUrl = path => {
+    if (!_.isEmpty(pathPrefix)) {
+      path = `${pathPrefix}${path}`;
+    }
+
+    return path;
+  };
+
   const fetchMetrics = path => {
     if (path.indexOf("window") === -1) {
       if (path.indexOf("?") === -1) {
@@ -193,6 +203,7 @@ const ApiHelpers = (pathPrefix, defaultMetricsWindow = '1m') => {
 
   return {
     fetch: apiFetch,
+    prefixedUrl,
     fetchMetrics,
     fetchPods,
     fetchServices,