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types.go
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/
types.go
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package main
import (
"errors"
"fmt"
"html/template"
"io"
"log"
"sort"
"github.com/hashicorp/nomad/api"
nomad "github.com/hashicorp/nomad/api"
"github.com/jroimartin/gocui"
)
type configuration struct {
Environments *[]environment
}
type environment struct {
Name string
Address string
}
func (config *configuration) addEnvironment(name string, address string) {
if config.Environments == nil {
config.Environments = new([]environment)
}
*config.Environments = append(*config.Environments, environment{Name: name, Address: address})
}
type cursorPosition struct {
x int
y int
}
type trekView struct {
name string
foregroundAfterCreation bool
panelNum int
panelsTotal int
margin int
handler viewHandlerCallback
}
type layoutType func(g *gocui.Gui) error
type viewHandlerCallback func(view *gocui.View, trekState *trekStateType) error
type deleteViewCallback func(trekState *trekStateType)
type cursorCallback func(trekState *trekStateType, position cursorPosition)
type numElementsComputerCallback func(trekState *trekStateType) int
type uiHandlerType func(g *gocui.Gui, v *gocui.View) error
type uiHandlerWithStateType func(g *gocui.Gui, v *gocui.View, trekState *trekStateType) error
type trekStateType struct {
selectedClusterIndex int
selectedJob int
selectedAllocationGroup int
selectedAllocationIndex int
foundAllocations []nomad.Allocation
selectedTask int
foundTasks []nomad.Task
client *nomad.Client
jobs []nomad.Job
nomadConnectConfiguration configuration
activeViews []uiHandlerWithStateType
lastView *gocui.View
}
func (trekState *trekStateType) CurrentEnvironment() environment {
return (*trekState.nomadConnectConfiguration.Environments)[trekState.selectedClusterIndex]
}
type allocation struct {
allocation nomad.Allocation
node nomad.Node
}
func (alloc allocation) IP() string {
return alloc.node.Attributes["unique.network.ip-address"]
}
func (trekState *trekStateType) getNodeFromAllocation(alloc nomad.Allocation) api.Node {
options := &nomad.QueryOptions{}
nodes := trekState.client.Nodes()
node, _, err := nodes.Info(alloc.NodeID, options)
if err != nil {
log.Panicln(err)
}
return *node
}
func (trekState *trekStateType) CurrentAllocation() (allocation, error) {
index := trekState.selectedAllocationIndex
if index > len(trekState.foundAllocations)-1 {
return allocation{}, errors.New("allocation not found")
}
alloc := trekState.foundAllocations[index]
node := trekState.getNodeFromAllocation(alloc)
return allocation{allocation: alloc, node: node}, nil
}
func (trekState *trekStateType) CurrentJob() nomad.Job {
return trekState.jobs[trekState.selectedJob]
}
func (trekState *trekStateType) CurrentTaskGroups() []*nomad.TaskGroup {
return trekState.CurrentJob().TaskGroups
}
func (trekState *trekStateType) CurrentTaskGroup() nomad.TaskGroup {
return *trekState.CurrentJob().TaskGroups[trekState.selectedAllocationGroup]
}
func (trekState *trekStateType) Tasks() []*nomad.Task {
return trekState.CurrentTaskGroup().Tasks
}
func (trekState *trekStateType) CurrentTask() *nomad.Task {
return trekState.Tasks()[trekState.selectedTask]
}
func (trekState *trekStateType) CurrentAllocations() []nomad.Allocation {
options := &nomad.QueryOptions{}
allocs := trekState.client.Allocations()
allocsListStub, _, _ := allocs.List(options)
trekState.foundAllocations = make([]nomad.Allocation, 0)
taskGroup := trekState.CurrentTaskGroup()
for _, stub := range allocsListStub {
alloc, _, err := allocs.Info(stub.ID, options)
if err != nil {
log.Panicln(err)
}
if alloc.TaskGroup == *taskGroup.Name {
if alloc.ClientStatus == "running" {
trekState.foundAllocations = append(trekState.foundAllocations, *alloc)
}
}
}
sort.SliceStable(trekState.foundAllocations, func(i, j int) bool { return trekState.foundAllocations[i].Name < trekState.foundAllocations[j].Name })
return trekState.foundAllocations
}
func (trekState *trekStateType) Jobs() []nomad.Job {
options := &nomad.QueryOptions{}
jobListStubs, _, err := trekState.client.Jobs().List(options)
if err != nil {
log.Panicln(err)
}
trekState.jobs = make([]nomad.Job, 0)
for _, job := range jobListStubs {
fullJob, _, _ := trekState.client.Jobs().Info(job.ID, options)
trekState.jobs = append(trekState.jobs, *fullJob)
}
return trekState.jobs
}
func (trekState *trekStateType) Connect() error {
config := nomad.DefaultConfig()
config.Address = trekState.CurrentEnvironment().Address
var err error
trekState.client, err = nomad.NewClient(config)
if err != nil {
return err
}
return nil
}
type boundsType struct {
startX int
startY int
endX int
endY int
}
// binding is some binding
type binding struct {
panelName string
key gocui.Key
handler uiHandlerWithStateType
}
type trekNode struct {
Name string
IP string
}
type taskFormatProvider struct {
Task trekTask
Node trekNode
Network trekCommandNetwork
Environment trekCommandEnvironment
}
type trekCommandNetwork struct {
DynamicPorts []trekCommandPort
ReservedPorts []trekCommandPort
}
type trekCommandPort struct {
Name string
Number int
}
type trekCommandEnvironment map[string]trekCommandEnvironmentVariable
type trekCommandEnvironmentVariable struct {
Value string
}
func trekPrintDetails(w io.Writer, format string, data interface{}) {
tmpl, err := template.
New("output").
Funcs(template.FuncMap{
"Debug": func(structure interface{}) string { return fmt.Sprintf("DEBUG: %+v\n", structure) },
"DebugAll": func() string { return fmt.Sprintf("DEBUG ALL: %+v\n", data) },
}).
Parse(format)
if err != nil {
panic(err)
}
err = tmpl.Execute(w, data)
if err != nil {
panic(err)
}
}
type allocationFormatProvider struct {
IP string
Tasks []trekTask
}
type trekTask struct {
Name string
Driver string
Config map[string]interface{}
}
type taskGroupFormatProvider struct {
Allocations []trekAllocation
}
type trekAllocation struct {
Name string
}
type jobFormatProvider struct {
TaskGroups []trekTaskGroup
}
type trekTaskGroup struct {
Name string
}
type jobsFormatProvider struct {
Jobs []trekJob
}
type trekJob struct {
Name string
}