[WIP] Major release 1.0 (#147)

* Object model with self-sufficient binary (#131)

* Code cosmetics

* Experimenting with object model and direct HELM usage

* Experiment with object model

* replacing the kubectl

* Progressing

* Save the progress

* Able to start with migration in mind

* Migrated two pieces

* List releases via Helm

* Forgotten field

* Cristallized the problem of ctx switcher

* Reworked to multi-context

* Rollback is also new style

* More migration

* Refactoring

* Describe via code

* Bye-bye kubectl binary

* Eliminate more old code

* Refactor a bit

* Merges

* No binaries in dockerfile

* Commit

* Progress with getting the data

* Learned the thing about get

* One field less

* Sstart with repos

* Repo add

* repo remove

* Repos! Icons!

* Simplified access to data

* Ver listing works

* Ver check works

* Caching and values

* fixup

* Done with repos

* Working on install

* Install work-ish

* Fix UI failing on install

* Upgrade flow works

* Fix image building

* Remove outdated test file

* Move files around

* REfactorings

* Cosmetics

* Test for cache control (#151)

* Files import formatted

* Added go-test tools

* Added test for no-cache header

* added changes

* test for cache behaviour of app

* test for static route (#153)

* Tests: route configuration & context setter (#154)

* Test for route configuration

* Test for context setter middleware

* implemented changes

* Restore coverage profile

Fixes #156

* Cosmetics

* Test for `NewRouter` function (#157)

* Test for `configureScanners` (#158)

* Test for `configureKubectls` (#163)

* Test for repository loading (#169)

- Created `repos_test.go`
- Test: `Load()` of Repositories

* Build all PRs

* Fixes failing test (#171)

* Fixes failing test
- Fixes failing test of repo loading

* handles error for

* Did some changes

* Test for listing of repos (#173)

- and did some code formatting

Signed-off-by: OmAxiani0 <aximaniom@gmail.com>

Signed-off-by: OmAxiani0 <aximaniom@gmail.com>

* Test for adding repo (#175)

- Modified the `repositories.yml` file

Signed-off-by: OmAxiani0 <aximaniom@gmail.com>

Signed-off-by: OmAxiani0 <aximaniom@gmail.com>

* Test for deleting the repository (#176)

* Test for deleting the repository
- Also added cleanup function for `TestAdd`

* Fixes failing test

* Add auto labeler for PR's (#174)

* Add auto labeler for PR's

* Add all file under .github/workflow to 'ci' label

Co-authored-by: Harshit Mehta <harshitm@nvidia.com>

* Test for getting repository (#177)

* Add github workflow for auto PR labeling (#181)

Co-authored-by: Harshit Mehta <harshitm@nvidia.com>

* Stub compilation

* Fixes around installing

* More complex test

* Using object model to execute helm test (#191)

* Expand test

* More test

* Coverage

* Add mutex for operations

* Rectore cluster detection code

* Change receiver to pointer

* Support multiple namespaces

* Cosmetics

* Update repos periodically

* fix tests

* Fix error display

* Allow reconfiguring chart without repo

* mute  linter

* Cosmetics

* Failing approach to parse manifests

Relates to #30

* Report the error properly

* ✅ Add test for dashboard/objects/data.go NewDataLayer (#199)

* Fix problem of wrong namespace

* Added unit tests for releases (#204)

* Rework API routes (#197)

* Bootstrap OpenAPI doc

* Renaming some routes

* Listing namespaces

* k8s part of things

* Repositories section

* Document scanners API

* One more API call

* Progress

* Reworked install flow

* History endpoint

* Textual info section

* Resources endpoint

* Rollback endpoint

* Rollback endpoint

* Unit tests

* Cleanup

* Forgotten tags

* Fix tests

* TODOs

* Rework manifest scanning

* add hasTests flag

* Adding more information on UI for helm test API response (#195)

* Hide test button when no tests

Fixes #115
Improves #195

---------

Signed-off-by: OmAxiani0 <aximaniom@gmail.com>
Co-authored-by: Om Aximani <75031769+OmAximani0@users.noreply.github.com>
Co-authored-by: Harshit Mehta <hdm23061993@gmail.com>
Co-authored-by: Harshit Mehta <harshitm@nvidia.com>
Co-authored-by: Todd Turner <todd@toddtee.sh>
Co-authored-by: arvindsundararajan98 <109727359+arvindsundararajan98@users.noreply.github.com>

main.go

@@ -1,8 +1,12 @@
 package main
 
 import (
+	"context"
 	"fmt"
 	"os"
+	"os/signal"
+	"strings"
+	"syscall"
 
 	"github.com/gin-gonic/gin"
 	"github.com/jessevdk/go-flags"
@@ -23,8 +27,8 @@ type options struct {
 	NoBrowser  bool   `short:"b" long:"no-browser" description:"Do not attempt to open Web browser upon start"`
 	NoTracking bool   `long:"no-analytics" description:"Disable user analytics (GA, DataDog etc.)"`
 	BindHost   string `long:"bind" description:"Host binding to start server (default: localhost)"` // default should be printed but not assigned as the precedence: flag > env > default
-	Port       uint   `short:"p" long:"port" description:"Port to start server on" default:"8080"`  // TODO: better default port to clash less?
-	Namespace  string `short:"n" long:"namespace" description:"Limit operations to a specific namespace"`
+	Port       uint   `short:"p" long:"port" description:"Port to start server on" default:"8080"`
+	Namespace  string `short:"n" long:"namespace" description:"Namespace for HELM operations"`
 }
 
 func main() {
@@ -42,12 +46,26 @@ func main() {
 
 	server := dashboard.Server{
 		Version:    version,
-		Namespace:  opts.Namespace,
+		Namespaces: strings.Split(opts.Namespace, ","),
 		Address:    fmt.Sprintf("%s:%d", opts.BindHost, opts.Port),
 		Debug:      opts.Verbose,
 		NoTracking: opts.NoTracking,
 	}
-	address, webServerDone := server.StartServer()
+
+	ctx, cancel := context.WithCancel(context.Background())
+
+	osSignal := make(chan os.Signal, 1)
+	signal.Notify(osSignal, os.Interrupt, syscall.SIGINT, syscall.SIGTERM)
+	go func() {
+		oscall := <-osSignal
+		log.Warnf("Stopping on signal: %s\n", oscall)
+		cancel()
+	}()
+
+	address, webServerDone, err := server.StartServer(ctx, cancel)
+	if err != nil {
+		log.Fatalf("Failed to start Helm Dashboard: %+v", err)
+	}
 
 	if !opts.NoTracking {
 		log.Infof("User analytics is collected to improve the quality, disable it with --no-analytics")
@@ -69,7 +87,7 @@ func main() {
 
 func parseFlags() options {
 	ns := os.Getenv("HELM_NAMESPACE")
-	if ns == "default" {
+	if ns == "default" { // it's how Helm passes to plugin the empty NS, we have to reset it back
 		ns = ""
 	}
 
@@ -92,7 +110,8 @@ func parseFlags() options {
 	}
 
 	if len(args) > 0 {
-		panic("The program does not take argumants, see --help for usage")
+		fmt.Println("The program does not take arguments, see --help for usage")
+		os.Exit(1)
 	}
 	return opts
 }