func newCluster() {
clusterNameLabel := ui.NewLabel("Cluster Name:")
clusterNameTextField := ui.NewTextField()
clusterNodeCountLabel := ui.NewLabel("Number of Nodes:")
clusterNodeCountTextField := ui.NewTextField()
clusterNodeCountTextField.SetText("1")
autoscaleLabel := ui.NewLabel("Autoscale:")
autoscaleCheckbox := ui.NewCheckbox("")
newClusterBtn := ui.NewButton("Create Cluster")
cancelBtn := ui.NewButton("Cancel")
newClusterGrid := ui.NewSimpleGrid(2,
clusterNameLabel, clusterNameTextField,
clusterNodeCountLabel, clusterNodeCountTextField,
autoscaleLabel, autoscaleCheckbox,
newClusterBtn, cancelBtn)
newClusterGrid.SetPadded(true)
newClusterGrp := ui.NewGroup("", newClusterGrid)
newClusterGrp.SetMargined(true)
newWin := ui.NewWindow("New Cluster", 400, 300, newClusterGrp)
newWin.SetMargined(true)
newWin.Show()
newClusterBtn.OnClicked(func() {
var c libcarina.Cluster
c.ClusterName = clusterNameTextField.Text()
n, _ := strconv.Atoi(clusterNodeCountTextField.Text())
c.Nodes = libcarina.Number(n)
c.AutoScale = autoscaleCheckbox.Checked()
carinaClient.Create(c)
time.Sleep(250 * time.Millisecond)
newWin.Close()
})
cancelBtn.OnClicked(func() {
newWin.Close()
})
newWin.OnClosing(func() bool {
newWin.Close()
return true
})
}
func main() {
go ui.Do(func() {
name := ui.NewTextField()
button := ui.NewButton("greet")
greeting := ui.NewLabel("")
stack := ui.NewVerticalStack(
ui.NewLabel("name:"),
name,
button,
greeting)
window = ui.NewWindow("hello world", 200, 100, stack)
button.OnClicked(func() {
greeting.SetText("hello, " + name.Text() + "!")
})
window.OnClosing(func() bool {
ui.Stop()
return true
})
window.Show()
})
err := ui.Go()
if err != nil {
panic(err)
}
}
//gui界面，用的 github.com/andlabs/ui 的ui库
func gui() {
input = ui.NewTextField()
input.OnChanged(func() {
go feedback() // 主要是这里在不同的刷新(table)内容
})
button := ui.NewButton("查词")
button.OnClicked(guiTranslate)
inputBox := ui.NewHorizontalStack(input, button)
inputBox.SetStretchy(0)
tab := ui.NewTab()
table = ui.NewTable(reflect.TypeOf(str{}))
table.OnSelected(tableSelected)
tab.Append("单词", table)
si = ui.NewLabel("Simple")
tab.Append("简约", si)
al = ui.NewLabel("All")
tab.Append("全部", al)
stack := ui.NewVerticalStack(inputBox, tab)
stack.SetStretchy(1)
w = ui.NewWindow("Window", 280, 350, stack)
w.OnClosing(func() bool {
ui.Stop()
return true
})
w.Show()
}
func initGUI() {
b := ui.NewButton("Button")
c := ui.NewCheckbox("Checkbox")
tf := ui.NewTextField()
tf.SetText("Text Field")
pf := ui.NewPasswordField()
pf.SetText("Password Field")
l := ui.NewStandaloneLabel("Label")
t := ui.NewTab()
t.Append("Tab 1", ui.Space())
t.Append("Tab 2", ui.Space())
t.Append("Tab 3", ui.Space())
g := ui.NewGroup("Group", ui.Space())
icons, il := readIcons()
table := ui.NewTable(reflect.TypeOf(icons[0]))
table.Lock()
d := table.Data().(*[]icon)
*d = icons
table.Unlock()
table.LoadImageList(il)
area := ui.NewArea(200, 200, &areaHandler{tileImage(20)})
stack := ui.NewVerticalStack(
b,
c,
tf,
pf,
l,
t,
g,
table,
area)
stack.SetStretchy(5)
stack.SetStretchy(6)
stack.SetStretchy(7)
stack.SetStretchy(8)
w = ui.NewWindow("Window", 400, 500, stack)
w.OnClosing(func() bool {
ui.Stop()
return true
})
w.Show()
}
func gui() {
connect()
var c Container
//Stack for the control
l := ui.NewLabel("Image to start")
imageName := ui.NewTextField()
imageName.SetText("ipython/scipystack")
startBtn := ui.NewButton("Launch")
controlStack := ui.NewVerticalStack(l, imageName, startBtn)
controlGrp := ui.NewGroup("Launch Image", controlStack)
controlGrp.SetMargined(true)
// Table of running containers
table := ui.NewTable(reflect.TypeOf(c))
openBrowserBtn := ui.NewButton("Open in browser")
killBtn := ui.NewButton("Kill")
manageRunningContainerGrp := ui.NewHorizontalStack(openBrowserBtn, killBtn)
containerControlGrp := ui.NewVerticalStack(table, manageRunningContainerGrp)
containerListGrp := ui.NewGroup("Running containers", containerControlGrp)
containerListGrp.SetMargined(true)
//Container info area
selectedContainerInfo := ui.NewTextField()
// Now make a new 2 column stack
topStack := ui.NewHorizontalStack(controlGrp, containerListGrp)
topStack.SetStretchy(0)
topStack.SetStretchy(1)
mainStack := ui.NewVerticalStack(topStack, selectedContainerInfo)
mainStack.SetStretchy(0)
mainStack.SetStretchy(1)
startBtn.OnClicked(func() {
go Start(imageName.Text())
})
table.OnSelected(func() {
c := table.Selected()
table.Lock()
d := table.Data().(*[]Container)
//this makes a shallow copy of the structure so that we can access elements per
// http://giantmachines.tumblr.com/post/51007535999/golang-struct-shallow-copy
newC := *d
table.Unlock()
if c > -1 {
fmt.Println("Getting info for container ", newC[c].Name)
selectedContainerInfo.SetText(Info(newC[c].Name))
}
})
openBrowserBtn.OnClicked(func() {
c := table.Selected()
table.Lock()
d := table.Data().(*[]Container)
//this makes a shallow copy of the structure so that we can access elements per
// http://giantmachines.tumblr.com/post/51007535999/golang-struct-shallow-copy
newC := *d
table.Unlock()
url := fmt.Sprintf("%s.%s", newC[c].Name, os.Getenv("DOMAIN_NAME"))
webbrowser.Open(url)
})
killBtn.OnClicked(func() {
c := table.Selected()
table.Lock()
d := table.Data().(*[]Container)
//this makes a shallow copy of the structure so that we can access elements per
// http://giantmachines.tumblr.com/post/51007535999/golang-struct-shallow-copy
newC := *d
table.Unlock()
go Kill(newC[c].Name)
})
w = ui.NewWindow("Manage Containers on RCS", 600, 450, mainStack)
w.SetMargined(true)
w.OnClosing(func() bool {
ui.Stop()
return true
})
go updateTable(table)
w.Show()
}
func gui() {
//Define endpoint
apiEndpointLabel := ui.NewLabel("API Endpoint:")
apiEndpointTextField := ui.NewTextField()
if len(os.Getenv("CARINA_API_ENDPOINT")) > 0 {
apiEndpointTextField.SetText(os.Getenv("CARINA_API_ENDPOINT"))
} else {
apiEndpointTextField.SetText(libcarina.BetaEndpoint)
}
//Define credentials area
usernameLabel := ui.NewLabel("Username:"******"CARINA_USERNAME")) > 0 {
usernameTextField.SetText(os.Getenv("CARINA_USERNAME"))
}
apiKeyLabel := ui.NewLabel("API Key:")
apiKeyTextField := ui.NewPasswordField()
if len(os.Getenv("CARINA_APIKEY")) > 0 {
apiKeyTextField.SetText(os.Getenv("CARINA_APIKEY"))
}
connectBtn := ui.NewButton("Connect")
// layout the login controls on a grid
loginGrid := ui.NewGrid()
loginGrid.Add(apiEndpointLabel, nil, ui.East, true, ui.LeftTop, false, ui.Center, 1, 1)
loginGrid.Add(apiEndpointTextField, apiEndpointLabel, ui.South, true, ui.Fill, false, ui.Center, 1, 1)
loginGrid.Add(usernameLabel, apiEndpointLabel, ui.East, true, ui.LeftTop, false, ui.Center, 1, 1)
loginGrid.Add(usernameTextField, usernameLabel, ui.South, true, ui.Fill, false, ui.Center, 1, 1)
loginGrid.Add(apiKeyLabel, usernameLabel, ui.East, true, ui.LeftTop, false, ui.Center, 1, 1)
loginGrid.Add(apiKeyTextField, apiKeyLabel, ui.South, true, ui.Fill, false, ui.Center, 1, 1)
loginGrid.Add(connectBtn, nil, ui.East, true, ui.LeftTop, false, ui.Center, 1, 1)
loginGrid.SetPadded(true)
//div grp1
divGrp1 := ui.NewGroup("", ui.Space())
divGrp1.SetMargined(true)
// Define the table that lists all running clusters
var c libcarina.Cluster
clusterListTable := ui.NewTable(reflect.TypeOf(c))
// Create control buttons
newBtn := ui.NewButton("New")
growBtn := ui.NewButton("Grow")
rebuildBtn := ui.NewButton("Rebuild")
credentialsBtn := ui.NewButton("Credentials")
deleteBtn := ui.NewButton("Delete")
buttonStack := ui.NewVerticalStack(newBtn, growBtn, rebuildBtn, credentialsBtn, deleteBtn)
//div grp2
divGrp2 := ui.NewGroup("", ui.Space())
divGrp2.SetMargined(true)
//Show containers on the cluster
containerListLabel := ui.NewLabel("Containers")
var cont dockerclient.Container
containerListTable := ui.NewTable(reflect.TypeOf(cont))
mainGrid := ui.NewGrid()
mainGrid.Add(loginGrid, nil, ui.East, true, ui.Fill, false, ui.Center, 12, 1)
mainGrid.Add(divGrp1, loginGrid, ui.South, true, ui.Fill, false, ui.Center, 12, 1)
mainGrid.Add(clusterListTable, divGrp1, ui.South, true, ui.Fill, false, ui.Center, 9, 1)
mainGrid.Add(buttonStack, clusterListTable, ui.East, true, ui.Fill, false, ui.Center, 3, 1)
mainGrid.Add(divGrp2, clusterListTable, ui.South, true, ui.Fill, false, ui.Center, 12, 1)
mainGrid.Add(containerListLabel, divGrp2, ui.South, true, ui.Fill, false, ui.Center, 12, 1)
mainGrid.Add(containerListTable, containerListLabel, ui.South, true, ui.Fill, false, ui.Center, 12, 1)
mainGrid.SetPadded(true)
connectBtn.OnClicked(func() {
connect(apiEndpointTextField.Text(), usernameTextField.Text(), apiKeyTextField.Text())
go monitorClusterList(clusterListTable)
})
clusterListTable.OnSelected(func() {
c, found := getSelectedCluster(clusterListTable)
if found {
if c.Status == "active" {
containers := getContainers(c.ClusterName)
containerListTable.Lock()
d := containerListTable.Data().(*[]dockerclient.Container)
*d = containers
containerListTable.Unlock()
txt := fmt.Sprintf("%d containers running on %s cluster", len(containers), c.ClusterName)
containerListLabel.SetText(txt)
}
}
})
newBtn.OnClicked(func() {
if loggedInFlag {
newCluster()
}
})
deleteBtn.OnClicked(func() {
c, found := getSelectedCluster(clusterListTable)
if found {
carinaClient.Delete(c.ClusterName)
fmt.Println("Deleting", c.ClusterName)
}
})
rebuildBtn.OnClicked(func() {
c, found := getSelectedCluster(clusterListTable)
if found {
fmt.Println("Rebuiding", c.ClusterName)
carinaClient.Rebuild(c.ClusterName)
}
})
credentialsBtn.OnClicked(func() {
c, found := getSelectedCluster(clusterListTable)
if found {
fmt.Println("Getting credentials for", c.ClusterName)
carinaClient.GetCredentials(c.ClusterName)
}
})
growBtn.OnClicked(func() {
c, found := getSelectedCluster(clusterListTable)
if found {
fmt.Println("Growing", c.ClusterName)
}
})
//Main stack of the interfaces
w = ui.NewWindow("Carina by Rackspace GUI Client ("+VERSION+")", 620, 300, mainGrid)
w.SetMargined(true)
w.OnClosing(func() bool {
ui.Stop()
return true
})
w.Show()
}