add nginx deployers + scheduler

2025-04-03 12:03:46 +02:00 · 2025-04-03 12:03:46 +02:00 · a266685a29
commit a266685a29
parent 1ddc49ae15
8 changed files with 494 additions and 230 deletions
--- a/.golangci.yml
+++ b/.golangci.yml
@ -1,146 +1,33 @@
-linters-settings:
-  depguard:
-    rules:
-      Main:
-        files:
-          - $all
-          - '!$test'
-        allow:
-          - $gostd
-          - gitea.thegux.fr
-          - github.com
-      Test:
-        files:
-          - $test
-        allow:
-          - $gostd
-          - gitea.thegux.fr
-          - github.com
-  dupl:
-    threshold: 100
-  funlen:
-    lines: 100
-    statements: 50
-  gci:
-    sections:
-      - "standard"
-      - "default"
-      - "blank"
-      - "dot"
-      # - "alias"
-      - "prefix(gitea.thegux.fr)"
-  goconst:
-    min-len: 2
-    min-occurrences: 2
-  gocritic:
-    enabled-tags:
-      - diagnostic
-      - experimental
-      - opinionated
-      - performance
-      - style
-    disabled-checks:
-      - dupImport # https://github.com/go-critic/go-critic/issues/845
-      - ifElseChain
-      - octalLiteral
-      # - whyNoLint
-      - wrapperFunc
-  gocyclo:
-    min-complexity: 15
-  goimports:
-    local-prefixes: gitea.thegux.fr
-  mnd:
-    checks:
-      - argument
-      - case
-      - condition
-      - return
-  govet:
-    disable:
-      - fieldalignment
-  lll:
-    line-length: 200
-  misspell:
-    locale: US
-  nolintlint:
-    allow-unused: false # report any unused nolint directives
-    require-explanation: false # don't require an explanation for nolint directives
-    require-specific: false # don't require nolint directives to be specific about which linter is being skipped
-  errcheck:
-    check-blank: true
-    exclude-functions:
-      - '(*github.com/gin-gonic/gin.Error).SetType'
-      - '(*github.com/gin-gonic/gin.Context).Error'
+run:
+  timeout: 5m
+  modules-download-mode: readonly

 linters:
-  disable-all: true
  enable:
-    - bodyclose
-    - depguard
-    - dogsled
-    - dupl
-    - errcheck
-    - exhaustive
-    - exportloopref
-    - funlen
-    - gochecknoinits
-    - goconst
-    - gocritic
-    - gocyclo
    - gofmt
-    - goimports
-    # - mnd
-    - goprintffuncname
-    - gosec
-    - gosimple
    - govet
-    # - inamedparam
-    - ineffassign
-    - lll
-    - misspell
-    - nakedret
-    - noctx
-    - nolintlint
-    # - perfsprint
-    - rowserrcheck
-    # - sloglint
+    - goimports
+    - errcheck
    - staticcheck
-    - stylecheck
-    - typecheck
-    - unconvert
-    - unparam
    - unused
-    - whitespace
-    # - gochecknoglobals # too many global in ds9
+    - gosimple
+    - ineffassign
+    - typecheck

-  # don't enable:
-  # - asciicheck
-  # - scopelint
-  # - gocognit
-  # - godot
-  # - godox
-  # - goerr113
-  # - interfacer
-  # - maligned
-  # - nestif
-  # - prealloc
-  # - testpackage
-  # - revive
-  # - wsl
-
-# issues:
-# Excluding configuration per-path, per-linter, per-text and per-source
-# fix: true
+linters-settings:
+  gofmt:
+    simplify: true
+  goimports:
+    local-prefixes: gitea.thegux.fr

 issues:
  exclude-rules:
-    - path: '(.+)_test\.go'
+    - path: _test\.go
      linters:
-        - funlen
-        - goconst
-        - dupl
+        - errcheck
+        - staticcheck
  exclude-dirs:
    - ..

-run:
-  timeout: 5m
+service:
+  golangci-lint-version: 1.54.x
--- a/deployers/commons.go
+++ b/deployers/commons.go
@ -1,6 +1,12 @@
 package deployers

+import "context"
+
+var ErrContextDone = "unable to execute, context done"
+
 type IDeployer interface {
-	Deploy() error
-	Close() error
+	Deploy(ctx context.Context) error
+	Build(ctx context.Context) error
+	Clear(ctx context.Context) error
+	Done() <-chan struct{}
 }
--- a/deployers/nginx.go
+++ b/deployers/nginx.go
@ -0,0 +1,114 @@
+package deployers
+
+import (
+	"context"
+	"fmt"
+	"path/filepath"
+
+	"github.com/rs/zerolog/log"
+
+	"gitea.thegux.fr/hmdeploy/connection"
+	"gitea.thegux.fr/hmdeploy/models"
+)
+
+type NginxDeployer struct {
+	conn        connection.IConnection
+	project     *models.Project
+	archivePath string
+	chDone      chan struct{}
+}
+
+var _ IDeployer = (*NginxDeployer)(nil)
+
+func NewNginxDeployer(netInfo *models.HMNetInfo, project *models.Project) (NginxDeployer, error) {
+	var nd NginxDeployer
+
+	conn, err := connection.NewSSHConn(netInfo.IP.String(), netInfo.SSH.User, netInfo.SSH.Port, netInfo.SSH.PrivKey)
+	if err != nil {
+		return nd, err
+	}
+
+	nd.conn = &conn
+	nd.project = project
+	nd.chDone = make(chan struct{}, 1)
+
+	return nd, nil
+}
+
+func (nd *NginxDeployer) close(ctx context.Context) error {
+	return nd.conn.Close()
+}
+
+func (nd *NginxDeployer) clean(ctx context.Context) (err error) {
+	_, err = nd.conn.Execute("rm -f " + nd.project.Name + ".conf")
+	return
+}
+
+func (nd *NginxDeployer) setDone() {
+	nd.chDone <- struct{}{}
+}
+
+func (nd *NginxDeployer) Done() <-chan struct{} {
+	return nd.chDone
+}
+
+func (nd *NginxDeployer) Clear(ctx context.Context) error {
+	log.Debug().Msg("clearing nginx deployment...")
+
+	if err := nd.clean(ctx); err != nil {
+		log.Err(err).Msg("unable to clean nginx conf remotly")
+	}
+
+	if err := nd.close(ctx); err != nil {
+		log.Err(err).Msg("unable to close nginx conn")
+	}
+
+	log.Debug().Msg("clear nginx deployment done")
+	return nil
+}
+
+func (nd *NginxDeployer) Build(ctx context.Context) error {
+	select {
+	case <-ctx.Done():
+		nd.setDone()
+		return fmt.Errorf("%w, nginx close ssh conn skipped", ErrContextDone)
+	default:
+	}
+
+	nginxPath := filepath.Join(nd.project.Dir, filepath.Base(nd.project.Deps.NginxFile))
+	nginxConf := nd.project.Name + ".conf"
+
+	log.Info().Str("nginx", nginxConf).Msg("transfering nginx conf...")
+
+	if err := nd.conn.CopyFile(nginxPath, nginxConf); err != nil {
+		nd.setDone()
+		return err
+	}
+
+	log.Info().Str("nginx", nginxConf).Msg("nginx conf transfered with success")
+	return nil
+}
+
+func (nd *NginxDeployer) Deploy(ctx context.Context) (err error) {
+	defer nd.setDone()
+
+	select {
+	case <-ctx.Done():
+		return fmt.Errorf("%w, nginx close ssh conn skipped", ErrContextDone)
+	default:
+	}
+
+	nginxConf := nd.project.Name + ".conf"
+
+	log.Info().Str("nginx", nginxConf).Msg("deploying nginx conf...")
+
+	_, err = nd.conn.Execute(
+		fmt.Sprintf(
+			"cp %s /etc/nginx/sites-available && ln -sf /etc/nginx/sites-available/%s /etc/nginx/sites-enabled/%s",
+			nginxConf, nginxConf, nginxConf,
+		),
+	)
+
+	log.Info().Str("nginx", nginxConf).Msg("nginx conf successfully deployed")
+	return err
+}
--- a/deployers/swarm.go
+++ b/deployers/swarm.go
@ -1,137 +1,104 @@
 package deployers

 import (
-	"archive/tar"
-	"compress/gzip"
 	"context"
-	"errors"
 	"fmt"
-	"io"
 	"os"
 	"path/filepath"
-	"strings"
-	"time"

 	"github.com/rs/zerolog/log"

 	"gitea.thegux.fr/hmdeploy/connection"
 	"gitea.thegux.fr/hmdeploy/docker"
 	"gitea.thegux.fr/hmdeploy/models"
-)
-
-func addToArchive(tw *tar.Writer, filename string) error {
-	file, err := os.Open(filename)
-	if err != nil {
-		return err
-	}
-	defer file.Close()
-
-	info, err := file.Stat()
-	if err != nil {
-		return err
-	}
-
-	header, err := tar.FileInfoHeader(info, info.Name())
-	if err != nil {
-		return err
-	}
-	header.Name = filepath.Base(file.Name())
-
-	if err := tw.WriteHeader(header); err != nil {
-		return err
-	}
-
-	_, err = io.Copy(tw, file)
-	return err
-}
-
-var (
-	ErrSwarmDeployerArchive = errors.New("unable to generate archive")
+	"gitea.thegux.fr/hmdeploy/utils"
 )

 type SwarmDeployer struct {
-	ctx      context.Context
-	fnCancel context.CancelFunc
-
 	conn connection.IConnection
 	dcli docker.IClient

 	project     *models.Project
+	archivePath string
+
+	chDone chan struct{}
 }

 var _ IDeployer = (*SwarmDeployer)(nil)

-func NewSwarmDeployer(ctx context.Context, dockerClient docker.IClient, netInfo *models.HMNetInfo, project *models.Project) (SwarmDeployer, error) {
-	var sm SwarmDeployer
+func NewSwarmDeployer(dockerClient docker.IClient, netInfo *models.HMNetInfo, project *models.Project) (SwarmDeployer, error) {
+	var sd SwarmDeployer

 	conn, err := connection.NewSSHConn(netInfo.IP.String(), netInfo.SSH.User, netInfo.SSH.Port, netInfo.SSH.PrivKey)
 	if err != nil {
-		return sm, err
+		return sd, err
 	}

-	ctxChild, fnCancel := context.WithCancel(ctx)
+	sd.conn = &conn
+	sd.dcli = dockerClient
+	sd.project = project
+	sd.chDone = make(chan struct{}, 1)

-	sm.ctx = ctxChild
-	sm.fnCancel = fnCancel
-
-	sm.conn = &conn
-	sm.dcli = dockerClient
-	sm.project = project
-
-	return sm, nil
+	return sd, nil
 }

-func (sd *SwarmDeployer) Close() error {
+func (sd *SwarmDeployer) close(ctx context.Context) error {
 	return sd.conn.Close()
 }

-func (sd *SwarmDeployer) clean() (err error) {
+func (sd *SwarmDeployer) clean(ctx context.Context) (err error) {
+	defer os.Remove(sd.archivePath)
 	_, err = sd.conn.Execute(fmt.Sprintf("rm -f %s %s *.tar.gz *.tar", models.ComposeFile, models.EnvFile))
 	return
 }

-func (sd *SwarmDeployer) createArchive(files ...string) (string, error) {
-	now := time.Now().UTC()
-	archivePath := filepath.Join(sd.project.Dir, fmt.Sprintf("%s-%s.tar.gz", sd.project.Name, strings.Replace(now.Format(time.RFC3339), ":", "-", -1)))
-
-	file, err := os.Create(archivePath)
-	if err != nil {
-		return "", fmt.Errorf("%w, unable to create archive=%s, err=%v", ErrSwarmDeployerArchive, archivePath, err)
-	}
-	defer file.Close()
-
-	gw := gzip.NewWriter(file)
-	defer gw.Close()
-
-	tw := tar.NewWriter(gw)
-	defer tw.Close()
-
-	for _, f := range files {
-		if err := addToArchive(tw, f); err != nil {
-			return "", fmt.Errorf("%w, unable to add file=%s to archive=%s, err=%v", ErrSwarmDeployerArchive, f, archivePath, err)
-		}
+func (sd *SwarmDeployer) setDone() {
+	sd.chDone <- struct{}{}
 }

-	return archivePath, nil
-
+func (sd *SwarmDeployer) Done() <-chan struct{} {
+	return sd.chDone
 }

-func (sd *SwarmDeployer) Deploy() error {
-	defer sd.clean()
+func (sd *SwarmDeployer) Clear(ctx context.Context) error {
+	log.Debug().Msg("clearing swarm deployment...")
+
+	if err := sd.clean(ctx); err != nil {
+		log.Err(err).Msg("unable to clean swarm conf remotly")
+	}
+
+	if err := sd.close(ctx); err != nil {
+		log.Err(err).Msg("unable to close swarm conn")
+	}
+
+	log.Debug().Msg("clear swarm deployment done")
+
+	return nil
+}
+
+func (sd *SwarmDeployer) Build(ctx context.Context) error {
+	select {
+	case <-ctx.Done():
+		sd.setDone()
+		return fmt.Errorf("%w, swarm project build skipped", ErrContextDone)
+	default:
+	}
+
+	log.Info().Msg("building swarm archive for deployment...")

 	filesToArchive := []string{}
 	if imageName := sd.project.ImageName; imageName != "" {
-		log.Info().Str("image", imageName).Msg("saving image for transfert...")
-
 		tarFile, err := sd.dcli.Save(imageName, sd.project.Dir)
 		if err != nil {
+			sd.setDone()
 			return err
 		}

 		defer os.Remove(tarFile)

-		log.Info().Str("image", imageName).Str("dir", sd.project.Dir).Msg("image saved successfully")
 		filesToArchive = append(filesToArchive, tarFile)
+
+		log.Info().Str("image", imageName).Msg("image added to archive")
 	}

 	if envFilePath := sd.project.Deps.EnvFile; envFilePath != "" {
@ -142,15 +109,36 @@ func (sd *SwarmDeployer) Deploy() error {
 	composeFileBase := filepath.Base(sd.project.Deps.ComposeFile)
 	filesToArchive = append(filesToArchive, filepath.Join(sd.project.Dir, composeFileBase))

-	archivePath, err := sd.createArchive(filesToArchive...)
+	archivePath, err := utils.CreateArchive(sd.project.Dir, fmt.Sprintf("%s-%s", sd.project.Name, "swarm"), filesToArchive...)
 	if err != nil {
+		sd.setDone()
 		return err
 	}
-	defer os.Remove(archivePath)

-	archiveDestPath := filepath.Base(archivePath)
-	log.Info().Str("archive", archivePath).Msg("archive built with success, tranfering to swarm for deployment...")
-	if err := sd.conn.CopyFile(archivePath, archiveDestPath); err != nil {
+	sd.archivePath = archivePath
+
+	log.Info().Str("archive", archivePath).Msg("swarm archive built")
+	return nil
+}
+
+func (sd *SwarmDeployer) Deploy(ctx context.Context) error {
+	defer sd.setDone()
+
+	select {
+	case <-ctx.Done():
+		return fmt.Errorf("%w, nginx close ssh conn skipped", ErrContextDone)
+	default:
+	}
+
+	if sd.archivePath == "" {
+		return fmt.Errorf("unable to deploy, no archive to deploy")
+	}
+
+	log.Info().Str("archive", sd.archivePath).Msg("deploying archive to swarm...")
+
+	archiveDestPath := filepath.Base(sd.archivePath)
+	log.Info().Str("archive", sd.archivePath).Msg("archive built with success, tranfering to swarm for deployment...")
+	if err := sd.conn.CopyFile(sd.archivePath, archiveDestPath); err != nil {
 		return err
 	}

@ -158,10 +146,12 @@ func (sd *SwarmDeployer) Deploy() error {
 		return err
 	}

-	log.Info().Str("project", sd.project.Name).Msg("deploying project...")
+	log.Info().Str("project", sd.project.Name).Msg("deploying swarm project...")
+	composeFileBase := filepath.Base(sd.project.Deps.ComposeFile)
 	if _, err := sd.conn.Execute(fmt.Sprintf("docker stack deploy -c %s %s", composeFileBase, sd.project.Name)); err != nil {
 		return err
 	}

+	log.Info().Msg("swarm deployment done with success")
 	return nil
 }
--- a/main.go
+++ b/main.go
@ -14,6 +14,7 @@ import (
 	"gitea.thegux.fr/hmdeploy/deployers"
 	"gitea.thegux.fr/hmdeploy/docker"
 	"gitea.thegux.fr/hmdeploy/models"
+	"gitea.thegux.fr/hmdeploy/scheduler"
 )

 const HMDEPLOY_DIRNAME = ".homeserver"
@ -52,27 +53,55 @@ func main() {
 	}
 	log.Info().Str("conf", hmmap_path).Msg("hmmap load successfully")

-	swarmNet := hmmap.GetSwarmNetInfo()
-	if swarmNet == nil {
-		log.Fatal().Err(err).Msg("unable to get swarm net info, does not exist")
-	}
-
 	project, err := models.ProjectFromDir(*projectDir)
 	if err != nil {
 		log.Fatal().Str("dir", *projectDir).Err(err).Msg("unable to init project from directory")
 	}
 	log.Info().Str("dir", project.Dir).Str("name", project.Name).Msg("project initialized with success")

+	swarmNet := hmmap.GetSwarmNetInfo()
+	if swarmNet == nil {
+		log.Fatal().Err(err).Msg("unable to get swarm net info, does not exist")
+	}
 	dcli := docker.NewClient()

-	sd, err := deployers.NewSwarmDeployer(ctx, &dcli, swarmNet, &project)
+	sd, err := deployers.NewSwarmDeployer(&dcli, swarmNet, &project)
 	if err != nil {
 		log.Fatal().Err(err).Msg("unable to init swarm deployer")
 	}

-	if err := sd.Deploy(); err != nil {
-		log.Fatal().Err(err).Msg("unable to deploy project")
+	var nd deployers.IDeployer
+	if project.Deps.NginxFile != "" {
+		nginxNet := hmmap.GetNginxNetInfo()
+		if nginxNet == nil {
+			log.Err(err).Msg("unable to get nginx net info, does not exist")
+			return
 		}

+		d, err := deployers.NewNginxDeployer(nginxNet, &project)
+		if err != nil {
+			log.Err(err).Msg("unable to nginx conf")
+			return
+		}
+
+		nd = &d
+	}
+
+	deployNginx := scheduler.NewTask("nginx-deploy", nd.Deploy)
+	deploySwarm := scheduler.NewTask("swarm-deploy", sd.Deploy, deployNginx)
+
+	s := scheduler.NewScheduler(ctx, 30, 4)
+	s.Submit(scheduler.NewTask("swarm-build", sd.Build, deploySwarm))
+	s.Submit(scheduler.NewTask("nginx-build", nd.Build))
+
+	<-nd.Done()
+	<-sd.Done()
+
+	s.Submit(scheduler.NewTask("nginx-clear", nd.Clear))
+	s.Submit(scheduler.NewTask("swarm-clear", sd.Clear))
+
+	s.Stop()
+	<-s.Done()
+
 	log.Info().Str("name", project.Name).Msg("project deployed successfully")
 }
--- a/models/hm.go
+++ b/models/hm.go
@ -31,3 +31,12 @@ func (hm *HMMap) GetSwarmNetInfo() *HMNetInfo {

 	return data
 }
+
+func (hm *HMMap) GetNginxNetInfo() *HMNetInfo {
+	data, ok := hm.LXC["nginx"]
+	if !ok {
+		return nil
+	}
+
+	return data
+}
--- a/scheduler/scheduler.go
+++ b/scheduler/scheduler.go
@ -0,0 +1,166 @@
+package scheduler
+
+import (
+	"context"
+	"errors"
+	"sync"
+	"sync/atomic"
+
+	"github.com/rs/zerolog/log"
+)
+
+var ErrSchedulerMaxCapacityReached = errors.New("unable to add new task, max capacity reached")
+
+type TaskStatus string
+
+const (
+	Pending TaskStatus = "pending"
+	Running TaskStatus = "running"
+	Success            = "success"
+	Failed             = "failed"
+)
+
+type FnJob func(context.Context) error
+
+type taskStore struct {
+	l     sync.RWMutex
+	tasks map[string]*Task
+}
+
+func newTaskStore() taskStore {
+	return taskStore{
+		tasks: map[string]*Task{},
+	}
+}
+
+func (ts *taskStore) push(task *Task) {
+	ts.l.Lock()
+	defer ts.l.Unlock()
+
+	ts.tasks[task.Name] = task
+}
+
+func (ts *taskStore) setStatus(task *Task, status TaskStatus) {
+	ts.l.Lock()
+	defer ts.l.Unlock()
+
+	if _, ok := ts.tasks[task.Name]; !ok {
+		log.Warn().Str("name", task.Name).Msg("unable to update task status, does not exist")
+		return
+	}
+
+	ts.tasks[task.Name].Status = status
+}
+
+func (ts *taskStore) len() int {
+	ts.l.RLock()
+	defer ts.l.RUnlock()
+
+	return len(ts.tasks)
+}
+
+type Task struct {
+	Name   string
+	Job    FnJob
+	Status TaskStatus
+	Next   []*Task
+}
+
+func NewTask(name string, job FnJob, next ...*Task) *Task {
+	return &Task{
+		Name:   name,
+		Job:    job,
+		Next:   next,
+		Status: Pending,
+	}
+}
+
+type Scheduler struct {
+	ctx      context.Context
+	fnCancel context.CancelFunc
+	wg       sync.WaitGroup
+
+	capacity atomic.Uint32
+	workers  int
+
+	chTasks chan *Task
+	tasks   taskStore
+}
+
+func NewScheduler(ctx context.Context, capacity, workers int) *Scheduler {
+	ctxChild, fnCancel := context.WithCancel(ctx)
+	s := Scheduler{
+		ctx:      ctxChild,
+		fnCancel: fnCancel,
+		capacity: atomic.Uint32{},
+		workers:  workers,
+		chTasks:  make(chan *Task, capacity),
+		tasks:    newTaskStore(),
+		wg:       sync.WaitGroup{},
+	}
+	s.capacity.Add(uint32(capacity))
+	s.run()
+
+	return &s
+}
+
+func (s *Scheduler) run() {
+	for i := 0; i < s.workers; i++ {
+		s.wg.Add(1)
+		go func() {
+			defer s.wg.Done()
+			for {
+				select {
+				case t := <-s.chTasks:
+					s.tasks.setStatus(t, Running)
+
+					if err := t.Job(s.ctx); err != nil {
+						log.Err(err).Str("task", t.Name).Msg("error executing task")
+						s.tasks.setStatus(t, Failed)
+						continue
+					}
+
+					s.tasks.setStatus(t, Success)
+
+					for _, nt := range t.Next {
+						s.Submit(nt)
+					}
+				case <-s.ctx.Done():
+					log.Warn().Msg("context done, stopping worker...")
+					return
+				}
+			}
+		}()
+	}
+}
+
+func (s *Scheduler) Stop() {
+	s.fnCancel()
+}
+
+func (s *Scheduler) Submit(task *Task) error {
+	cap := s.capacity.Load()
+	if s.tasks.len() >= int(cap) {
+		return ErrSchedulerMaxCapacityReached
+	}
+
+	s.tasks.push(task)
+	s.chTasks <- task
+	return nil
+}
+
+func (s *Scheduler) Done() <-chan struct{} {
+	chDone := make(chan struct{})
+	go func() {
+		for {
+			select {
+			case <-s.ctx.Done():
+				log.Info().Msg("waiting for scheduler task completion...")
+				s.wg.Wait()
+				chDone <- struct{}{}
+				return
+			}
+		}
+	}()
+	return chDone
+}
--- a/utils/utils.go
+++ b/utils/utils.go
@ -0,0 +1,63 @@
+package utils
+
+import (
+	"archive/tar"
+	"compress/gzip"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"strings"
+	"time"
+)
+
+func addToArchive(tw *tar.Writer, filename string) error {
+	file, err := os.Open(filename)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	info, err := file.Stat()
+	if err != nil {
+		return err
+	}
+
+	header, err := tar.FileInfoHeader(info, info.Name())
+	if err != nil {
+		return err
+	}
+	header.Name = filepath.Base(file.Name())
+
+	if err := tw.WriteHeader(header); err != nil {
+		return err
+	}
+
+	_, err = io.Copy(tw, file)
+	return err
+}
+
+func CreateArchive(destDir, name string, files ...string) (string, error) {
+	now := time.Now().UTC()
+	archivePath := filepath.Join(destDir, fmt.Sprintf("%s-%s.tar.gz", name, strings.Replace(now.Format(time.RFC3339), ":", "-", -1)))
+
+	file, err := os.Create(archivePath)
+	if err != nil {
+		return "", fmt.Errorf("unable to create archive=%s, err=%v", archivePath, err)
+	}
+	defer file.Close()
+
+	gw := gzip.NewWriter(file)
+	defer gw.Close()
+
+	tw := tar.NewWriter(gw)
+	defer tw.Close()
+
+	for _, f := range files {
+		if err := addToArchive(tw, f); err != nil {
+			return "", fmt.Errorf("unable to add file=%s to archive=%s, err=%v", f, archivePath, err)
+		}
+	}
+
+	return archivePath, nil
+}