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updatemodel.go
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/
updatemodel.go
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package updatemodel
import (
"fmt"
"os"
"path"
"path/filepath"
"strings"
"github.com/hashicorp/go-multierror"
"github.com/samber/lo"
"github.com/spf13/cobra"
"github.com/brevdev/brev-cli/pkg/autostartconf"
"github.com/brevdev/brev-cli/pkg/entity"
breverrors "github.com/brevdev/brev-cli/pkg/errors"
"github.com/brevdev/brev-cli/pkg/store"
"github.com/brevdev/brev-cli/pkg/terminal"
"github.com/brevdev/parse/pkg/parse"
"github.com/go-git/go-git/v5"
"github.com/go-git/go-git/v5/plumbing/transport/ssh"
)
var (
short = "TODO"
long = "TODO"
example = "TODO"
)
type updatemodelStore interface {
ModifyWorkspace(workspaceID string, options *store.ModifyWorkspaceRequest) (*entity.Workspace, error)
GetCurrentWorkspaceID() (string, error)
GetWorkspace(workspaceID string) (*entity.Workspace, error)
WriteString(path, data string) error
UserHomeDir() (string, error)
ListDirs(path string) ([]string, error)
FileExists(filepath string) (bool, error)
GetEnvSetupParams(wsid string) (*store.SetupParamsV0, error)
GetCurrentUser() (*entity.User, error)
}
func NewCmdupdatemodel(t *terminal.Terminal, store updatemodelStore) *cobra.Command {
var configure bool
cmd := &cobra.Command{
Use: "updatemodel",
DisableFlagsInUseLine: true,
Short: short,
Long: long,
Example: example,
RunE: updateModel{
t: t,
Store: store,
clone: func(path string, isBare bool, o *git.CloneOptions) (*git.Repository, error) {
workspaceID, err := store.GetCurrentWorkspaceID()
if err != nil {
return nil, breverrors.WrapAndTrace(err)
}
params, err := store.GetEnvSetupParams(workspaceID)
if err != nil {
return nil, breverrors.WrapAndTrace(err)
}
if params != nil && params.WorkspaceKeyPair != nil {
keys := params.WorkspaceKeyPair
pubkeys, err := ssh.NewPublicKeys("ubuntu", []byte(keys.PrivateKeyData), "") //nolint:govet //abc
if err != nil {
return nil, breverrors.WrapAndTrace(err)
}
o.Auth = pubkeys
}
r, err := git.PlainClone(path, isBare, o)
return r, breverrors.WrapAndTrace(err)
},
open: func(path string) (repo, error) {
r, err := git.PlainOpen(path)
return r, breverrors.WrapAndTrace(err)
},
configure: configure,
}.RunE,
}
cmd.Flags().BoolVarP(&configure, "configure", "c", false, "configure daemon")
return cmd
}
type repo interface {
Remotes() ([]*git.Remote, error)
}
type updateModel struct {
t *terminal.Terminal
Store updatemodelStore
clone func(path string, isBare bool, o *git.CloneOptions) (*git.Repository, error)
open func(path string) (repo, error)
configure bool
}
func (u updateModel) RunE(_ *cobra.Command, _ []string) error { //nolint:funlen //abc
if u.configure {
return breverrors.WrapAndTrace(
DaemonConfigurer{
Store: u.Store,
}.Configure(),
)
}
remotes, err := u.remotes()
if err != nil {
return breverrors.WrapAndTrace(err)
}
workspaceID, err := u.Store.GetCurrentWorkspaceID()
if err != nil {
return breverrors.WrapAndTrace(err)
}
workspace, err := u.Store.GetWorkspace(workspaceID)
if err != nil {
return breverrors.WrapAndTrace(err)
}
// there should only be one but sometimes there are more and thats not
// handled right now
urls := lo.FlatMap(
remotes,
func(remote *git.Remote, _ int) []string {
return remote.Config().URLs
},
)
// filter user dotbrev remote url
user, err := u.Store.GetCurrentUser()
if err != nil {
return breverrors.WrapAndTrace(err)
}
dotbrev := user.BaseWorkspaceRepo
urls = lo.Filter(
urls,
func(url string, _ int) bool {
return !parse.CMP(url, dotbrev)
},
)
reposv1FromENV := makeReposFromRemotes(urls)
// merge reposv0 and gitrepo field into reposv1fromBE
reposv1FromBE := make(entity.ReposV1)
reposv1FromBE[entity.RepoName(parse.GetRepoNameFromOrigin(workspace.GitRepo))] = entity.RepoV1{
GitRepo: entity.GitRepo{
Repository: workspace.GitRepo,
},
Type: entity.GitRepoType,
}
for key, val := range workspace.ReposV0 {
reposv1FromBE[key] = entity.RepoV1{
GitRepo: entity.GitRepo{
Repository: val.Repository,
},
Type: entity.GitRepoType,
}
}
if workspace.ReposV1 != nil {
for key, val := range *workspace.ReposV1 {
key := key
val := val
reposv1FromBE[key] = val
}
}
rm := &repoMerger{
acc: &reposv1FromBE,
repos: []*entity.ReposV1{reposv1FromENV},
}
_, err = u.Store.ModifyWorkspace(
workspaceID,
&store.ModifyWorkspaceRequest{
ReposV1: rm.MergeBE(),
},
)
if err != nil {
return breverrors.WrapAndTrace(err)
}
dir, err := u.Store.UserHomeDir()
if err != nil {
return breverrors.WrapAndTrace(err)
}
cloneErrors := lo.Map(
rm.ReposToClone(),
func(repo *entity.RepoV1, _ int) error {
_, err := u.clone(dir, false, &git.CloneOptions{
URL: repo.GitRepo.Repository,
})
return breverrors.WrapAndTrace(err)
},
)
return breverrors.WrapAndTrace(
lo.Reduce(
cloneErrors,
func(acc error, err error, _ int) error {
if err != nil {
txt := fmt.Sprintf("%s", err)
if strings.Contains(txt, "already exists") {
return acc
}
if acc == nil {
return breverrors.WrapAndTrace(err)
}
return multierror.Append(acc, err)
}
if acc == nil {
return breverrors.WrapAndTrace(err)
}
return acc
},
nil,
),
)
}
type stringWriter interface {
WriteString(path, data string) error
}
type DaemonConfigurer struct {
Store stringWriter
}
func (dc DaemonConfigurer) Configure() error {
// create systemd service file to run
// brev updatemodel -d /home/ubuntu
configFile := filepath.Join("/etc/systemd/system", "brev-updatemodel.service")
err := dc.Store.WriteString(
configFile,
`[Unit]
Description=Brev Update Model
After=network.target
[Service]
Type=simple
User=ubuntu
ExecStart=/usr/bin/brev updatemodel -d /home/ubuntu
`)
if err != nil {
return breverrors.WrapAndTrace(err)
}
if autostartconf.ShouldSymlink() {
symlinkTarget := path.Join("/etc/systemd/system/default.target.wants/", "brev-updatemodel.service")
err2 := os.Symlink(configFile, symlinkTarget)
if err2 != nil {
return breverrors.WrapAndTrace(err2)
}
}
// create systemd timer to run every 5 seconds
err = dc.Store.WriteString(
"/etc/systemd/system/brev-updatemodel.timer",
`[Unit]
Description=Brev Update Model Timer
[Timer]
OnBootSec=5
OnUnitActiveSec=5
[Install]
WantedBy=timers.target
`)
if err != nil {
return breverrors.WrapAndTrace(err)
}
// enable timer
err = autostartconf.ExecCommands(
[][]string{
{"systemctl", "enable", "brev-updatemodel.timer"},
{"systemctl", "start", "brev-updatemodel.timer"},
{"systemctl", "daemon-reload"},
},
)
if err != nil {
return breverrors.WrapAndTrace(err)
}
return nil
}
func makeReposFromRemotes(remotes []string) *entity.ReposV1 {
return lo.Reduce(
remotes,
func(acc *entity.ReposV1, remote string, _ int) *entity.ReposV1 {
name := parse.GetRepoNameFromOrigin(remote)
url := parse.GetSSHURLFromOrigin(remote)
a := *acc
a[entity.RepoName(name)] = entity.RepoV1{
Type: entity.GitRepoType,
GitRepo: entity.GitRepo{
Repository: url,
},
}
return &a
},
&entity.ReposV1{},
)
}
type repoMerger struct {
acc *entity.ReposV1
repos []*entity.ReposV1
}
func (r *repoMerger) MergeBE() *entity.ReposV1 {
for _, repo := range r.repos {
for k, v := range *repo {
if _, ok := (*r.acc)[k]; ok {
continue
}
_, valueInAcc := lo.Find(
r.accValues(),
func(repo *entity.RepoV1) bool {
return repo.GitRepo.Repository == v.GitRepo.Repository
},
)
if valueInAcc {
continue
}
(*r.acc)[k] = v
}
}
return r.acc
}
func (r *repoMerger) ReposToClone() []*entity.RepoV1 {
// repos present in the BE but not in the ENV
return lo.Filter(
r.accValues(),
func(accrepo *entity.RepoV1, _ int) bool {
_, valueInENV := lo.Find(
r.reposValues(),
func(repo *entity.RepoV1) bool {
return accrepo.GitRepo.Repository == repo.GitRepo.Repository
},
)
return !valueInENV
},
)
}
func (r repoMerger) reposValues() []*entity.RepoV1 {
values := []*entity.RepoV1{}
for _, repo := range r.repos {
for _, v := range *repo {
// explicit memory aliasing in for loop.
v := v
values = append(values, &v)
}
}
return values
}
func (r repoMerger) accValues() []*entity.RepoV1 {
if r.acc == nil {
return []*entity.RepoV1{}
}
values := []*entity.RepoV1{}
for _, v := range *r.acc {
newV := v
values = append(values, &newV)
}
return values
}
func (u updateModel) remotes() ([]*git.Remote, error) {
dir, err := u.Store.UserHomeDir()
if err != nil {
return nil, breverrors.WrapAndTrace(err)
}
dirs, err := u.Store.ListDirs(dir)
if err != nil {
return nil, breverrors.WrapAndTrace(err)
}
// filter dirs that start with .
dirs = lo.Filter(
dirs,
func(dir string, _ int) bool {
return !strings.HasPrefix(dir, ".")
},
)
dirsWithGit := []string{}
for _, dir := range dirs {
gitDir := path.Join(dir, ".git")
exists, err := u.Store.FileExists(gitDir)
if err != nil {
return nil, breverrors.WrapAndTrace(err)
}
if exists {
dirsWithGit = append(dirsWithGit, dir)
}
}
repos := []*git.Repository{}
for _, dir := range dirsWithGit {
repo, err := git.PlainOpen(dir)
if err != nil {
return nil, breverrors.WrapAndTrace(err)
}
repos = append(repos, repo)
}
remotes := []*git.Remote{}
for _, repo := range repos {
repoRemotes, err := repo.Remotes()
if err != nil {
return nil, breverrors.WrapAndTrace(err)
}
remotes = append(remotes, repoRemotes...)
}
return remotes, nil
}