kjuulh/dagger
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use the workspace as the plan module

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Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>
This commit is contained in:
Andrea Luzzardi 2021-07-02 18:28:03 +02:00
parent 919d5576d0
commit 6e215b194e
7 changed files with 95 additions and 73 deletions
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4
cmd/dagger/cmd/init.go
View File

@ -36,12 +36,10 @@ var initCmd = &cobra.Command{
dir = cwd
}
ws, err := state.Init(ctx, dir)
_, err := state.Init(ctx, dir)
if err != nil {
lg.Fatal().Err(err).Msg("failed to initialize workspace")
}
lg.Info().Str("path", ws.DaggerDir()).Msg("initialized new empty workspace")
},
}

32
cmd/dagger/cmd/new.go
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@ -1,10 +1,6 @@
package cmd
import (
"fmt"
"path/filepath"
"strings"
"github.com/spf13/cobra"
"github.com/spf13/viper"
"go.dagger.io/dagger/cmd/dagger/cmd/common"
@ -36,42 +32,16 @@ var newCmd = &cobra.Command{
}
name := args[0]
module := viper.GetString("module")
if module == "" {
lg.Fatal().Msg("missing --module")
}
p, err := filepath.Abs(module)
if err != nil {
lg.Fatal().Err(err).Str("path", module).Msg("unable to resolve path")
}
if !strings.HasPrefix(p, workspace.Path) {
lg.Fatal().Err(err).Str("path", module).Msg("module is outside the workspace")
}
p, err = filepath.Rel(workspace.Path, p)
if err != nil {
lg.Fatal().Err(err).Str("path", module).Msg("unable to resolve path")
}
if !strings.HasPrefix(p, ".") {
p = "./" + p
}
module = p
ws, err := workspace.Create(ctx, name, state.Plan{
Module: module,
_, err := workspace.Create(ctx, name, state.Plan{
Package: viper.GetString("package"),
})
if err != nil {
lg.Fatal().Err(err).Msg("failed to create environment")
}
lg.Info().Str("name", name).Msg("created new empty environment")
lg.Info().Str("name", name).Msg(fmt.Sprintf("to add code to the plan, copy or create cue files under: %s", ws.Plan.Module))
},
}
func init() {
newCmd.Flags().StringP("module", "m", ".", "references the local path of the cue module to use as a plan, relative to the workspace root")
newCmd.Flags().StringP("package", "p", "", "references the name of the Cue package within the module to use as a plan. Default: defer to cue loader")
if err := viper.BindPFlags(newCmd.Flags()); err != nil {
panic(err)

4
environment/environment.go
View File

@ -82,7 +82,7 @@ func (e *Environment) LoadPlan(ctx context.Context, s solver.Solver) error {
span, ctx := opentracing.StartSpanFromContext(ctx, "environment.LoadPlan")
defer span.Finish()
planSource, err := e.state.Plan.Source().Compile("", e.state)
planSource, err := e.state.Source().Compile("", e.state)
if err != nil {
return err
}
@ -157,7 +157,7 @@ func (e *Environment) LocalDirs() map[string]string {
}
// 2. Scan the plan
plan, err := e.state.Plan.Source().Compile("", e.state)
plan, err := e.state.Source().Compile("", e.state)
if err != nil {
panic(err)
}

18
state/state.go
View File

@ -9,7 +9,7 @@ type State struct {
Workspace string `yaml:"-"`
// Plan
Plan Plan `yaml:"plan"`
Plan Plan `yaml:"plan,omitempty"`
// Human-friendly environment name.
// A environment may have more than one name.
@ -23,17 +23,21 @@ type State struct {
Computed string `yaml:"-"`
}
// Cue module containing the environment plan
func (s *State) Source() Input {
w := s.Workspace
// FIXME: backward compatibility
if mod := s.Plan.Module; mod != "" {
w = mod
}
return DirInput(w, []string{}, []string{})
}
type Plan struct {
Module string `yaml:"module,omitempty"`
Package string `yaml:"package,omitempty"`
}
// Cue module containing the environment plan
// The input's top-level artifact is used as a module directory.
func (p *Plan) Source() Input {
return DirInput(p.Module, []string{}, []string{})
}
func (s *State) SetInput(key string, value Input) error {
if s.Inputs == nil {
s.Inputs = make(map[string]Input)

78
state/workspace.go
View File

@ -8,6 +8,7 @@ import (
"os"
"path"
"path/filepath"
"strings"
"github.com/rs/zerolog/log"
"go.dagger.io/dagger/keychain"
@ -161,19 +162,17 @@ func (w *Workspace) Get(ctx context.Context, name string) (*State, error) {
return nil, err
}
st.Path = envPath
// Backward compat: if no plan module has been provided,
// use `.dagger/env/<name>/plan`
// FIXME: Backward compat: Support for old-style `.dagger/env/<name>/plan`
if st.Plan.Module == "" {
planPath := path.Join(envPath, planDir)
if _, err := os.Stat(planPath); err != nil {
return nil, fmt.Errorf("missing plan information for %q", name)
}
if _, err := os.Stat(planPath); err == nil {
planRelPath, err := filepath.Rel(w.Path, planPath)
if err != nil {
return nil, err
}
st.Plan.Module = planRelPath
}
}
st.Workspace = w.Path
computed, err := os.ReadFile(path.Join(envPath, stateDir, computedFile))
@ -230,20 +229,22 @@ func (w *Workspace) Save(ctx context.Context, st *State) error {
}
func (w *Workspace) Create(ctx context.Context, name string, plan Plan) (*State, error) {
if _, err := w.Get(ctx, name); err == nil {
return nil, ErrExist
}
pkg, err := w.cleanPackageName(ctx, plan.Package)
if err != nil {
return nil, err
}
envPath, err := filepath.Abs(w.envPath(name))
if err != nil {
return nil, err
}
if _, err := os.Stat(plan.Module); err != nil {
return nil, err
}
// Environment directory
if err := os.MkdirAll(envPath, 0755); err != nil {
if errors.Is(err, os.ErrExist) {
return nil, ErrExist
}
return nil, err
}
@ -252,7 +253,9 @@ func (w *Workspace) Create(ctx context.Context, name string, plan Plan) (*State,
st := &State{
Path: envPath,
Workspace: w.Path,
Plan: plan,
Plan: Plan{
Package: pkg,
},
Name: name,
}
@ -284,6 +287,51 @@ func (w *Workspace) Create(ctx context.Context, name string, plan Plan) (*State,
return st, nil
}
func (w *Workspace) DaggerDir() string {
return path.Join(w.Path, daggerDir)
func (w *Workspace) cleanPackageName(ctx context.Context, pkg string) (string, error) {
lg := log.
Ctx(ctx).
With().
Str("package", pkg).
Logger()
if pkg == "" {
return pkg, nil
}
// If the package is not a path, then it must be a domain (e.g. foo.bar/mypackage)
if _, err := os.Stat(pkg); err != nil {
if !errors.Is(err, os.ErrNotExist) {
return "", err
}
// Make sure the domain is in the correct form
if !strings.Contains(pkg, ".") || !strings.Contains(pkg, "/") {
return "", fmt.Errorf("invalid package %q", pkg)
}
return pkg, nil
}
p, err := filepath.Abs(pkg)
if err != nil {
lg.Error().Err(err).Msg("unable to resolve path")
return "", err
}
if !strings.HasPrefix(p, w.Path) {
lg.Fatal().Err(err).Msg("package is outside the workspace")
return "", err
}
p, err = filepath.Rel(w.Path, p)
if err != nil {
lg.Fatal().Err(err).Msg("unable to resolve path")
return "", err
}
if !strings.HasPrefix(p, ".") {
p = "./" + p
}
return p, nil
}

17
tests/cli.bats
View File

@ -27,7 +27,7 @@ setup() {
assert_success
refute_output
run "$DAGGER" new "test" --module "$DAGGER_WORKSPACE"
run "$DAGGER" new "test"
assert_success
run "$DAGGER" list
@ -42,10 +42,10 @@ setup() {
@test "dagger new: modules" {
"$DAGGER" init
ln -s "$TESTDIR"/cli/input/simple "$DAGGER_WORKSPACE"/plan
cp -a "$TESTDIR"/cli/input/simple/* "$DAGGER_WORKSPACE"
"$DAGGER" new "a" --module "$DAGGER_WORKSPACE"/plan
"$DAGGER" new "b" --module "$DAGGER_WORKSPACE"/plan
"$DAGGER" new "a"
"$DAGGER" new "b"
"$DAGGER" input -e "a" text "input" "a"
"$DAGGER" input -e "b" text "input" "b"
@ -60,6 +60,9 @@ setup() {
run "$DAGGER" query -l error -e "b" input -f text
assert_success
assert_output "b"
# run ls -la "$DAGGER_WORKSPACE"
# assert_failure
}
# create different environments from the same module,
@ -67,10 +70,10 @@ setup() {
@test "dagger new: packages" {
"$DAGGER" init
ln -s "$TESTDIR"/cli/packages "$DAGGER_WORKSPACE"/plan
cp -a "$TESTDIR"/cli/packages/* "$DAGGER_WORKSPACE"
"$DAGGER" new "a" --module "$DAGGER_WORKSPACE"/plan --package alpha.dagger.io/test/a
"$DAGGER" new "b" --module "$DAGGER_WORKSPACE"/plan --package alpha.dagger.io/test/b
"$DAGGER" new "a" --package alpha.dagger.io/test/a
"$DAGGER" new "b" --package alpha.dagger.io/test/b
"$DAGGER" up -e "a"
"$DAGGER" up -e "b"

5
tests/helpers.bash
View File

@ -20,11 +20,10 @@ common_setup() {
dagger_new_with_plan() {
local name="$1"
local sourcePlan="$2"
local targetPlan="$DAGGER_WORKSPACE"/"$name"
ln -s "$sourcePlan" "$targetPlan"
"$DAGGER" new "$name" --module "$targetPlan"
cp -a "$sourcePlan"/* "$DAGGER_WORKSPACE"
"$DAGGER" new "$name"
}
# dagger helper to execute the right binary