-
-
Notifications
You must be signed in to change notification settings - Fork 1.4k
/
step_action_remote.go
258 lines (223 loc) Β· 8.16 KB
/
step_action_remote.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
package runner
import (
"context"
"errors"
"fmt"
"io"
"os"
"path"
"path/filepath"
"regexp"
"strings"
gogit "github.com/go-git/go-git/v5"
"github.com/nektos/act/pkg/common"
"github.com/nektos/act/pkg/common/git"
"github.com/nektos/act/pkg/model"
)
type stepActionRemote struct {
Step *model.Step
RunContext *RunContext
compositeRunContext *RunContext
compositeSteps *compositeSteps
readAction readAction
runAction runAction
action *model.Action
env map[string]string
remoteAction *remoteAction
}
var (
stepActionRemoteNewCloneExecutor = git.NewGitCloneExecutor
)
func (sar *stepActionRemote) prepareActionExecutor() common.Executor {
return func(ctx context.Context) error {
if sar.remoteAction != nil && sar.action != nil {
// we are already good to run
return nil
}
sar.remoteAction = newRemoteAction(sar.Step.Uses)
if sar.remoteAction == nil {
return fmt.Errorf("Expected format {org}/{repo}[/path]@ref. Actual '%s' Input string was not in a correct format", sar.Step.Uses)
}
github := sar.getGithubContext(ctx)
sar.remoteAction.URL = github.ServerURL
if sar.remoteAction.IsCheckout() && isLocalCheckout(github, sar.Step) && !sar.RunContext.Config.NoSkipCheckout {
common.Logger(ctx).Debugf("Skipping local actions/checkout because workdir was already copied")
return nil
}
for _, action := range sar.RunContext.Config.ReplaceGheActionWithGithubCom {
if strings.EqualFold(fmt.Sprintf("%s/%s", sar.remoteAction.Org, sar.remoteAction.Repo), action) {
sar.remoteAction.URL = "https://github.com"
github.Token = sar.RunContext.Config.ReplaceGheActionTokenWithGithubCom
}
}
actionDir := fmt.Sprintf("%s/%s", sar.RunContext.ActionCacheDir(), safeFilename(sar.Step.Uses))
gitClone := stepActionRemoteNewCloneExecutor(git.NewGitCloneExecutorInput{
URL: sar.remoteAction.CloneURL(),
Ref: sar.remoteAction.Ref,
Dir: actionDir,
Token: github.Token,
})
var ntErr common.Executor
if err := gitClone(ctx); err != nil {
if errors.Is(err, git.ErrShortRef) {
return fmt.Errorf("Unable to resolve action `%s`, the provided ref `%s` is the shortened version of a commit SHA, which is not supported. Please use the full commit SHA `%s` instead",
sar.Step.Uses, sar.remoteAction.Ref, err.(*git.Error).Commit())
} else if errors.Is(err, gogit.ErrForceNeeded) { // TODO: figure out if it will be easy to shadow/alias go-git err's
ntErr = common.NewInfoExecutor("Non-terminating error while running 'git clone': %v", err)
} else {
return err
}
}
remoteReader := func(ctx context.Context) actionYamlReader {
return func(filename string) (io.Reader, io.Closer, error) {
f, err := os.Open(filepath.Join(actionDir, sar.remoteAction.Path, filename))
return f, f, err
}
}
return common.NewPipelineExecutor(
ntErr,
func(ctx context.Context) error {
actionModel, err := sar.readAction(ctx, sar.Step, actionDir, sar.remoteAction.Path, remoteReader(ctx), os.WriteFile)
sar.action = actionModel
return err
},
)(ctx)
}
}
func (sar *stepActionRemote) pre() common.Executor {
sar.env = map[string]string{}
return common.NewPipelineExecutor(
sar.prepareActionExecutor(),
runStepExecutor(sar, stepStagePre, runPreStep(sar)).If(hasPreStep(sar)).If(shouldRunPreStep(sar)))
}
func (sar *stepActionRemote) main() common.Executor {
return common.NewPipelineExecutor(
sar.prepareActionExecutor(),
runStepExecutor(sar, stepStageMain, func(ctx context.Context) error {
github := sar.getGithubContext(ctx)
if sar.remoteAction.IsCheckout() && isLocalCheckout(github, sar.Step) && !sar.RunContext.Config.NoSkipCheckout {
if sar.RunContext.Config.BindWorkdir {
common.Logger(ctx).Debugf("Skipping local actions/checkout because you bound your workspace")
return nil
}
eval := sar.RunContext.NewExpressionEvaluator(ctx)
copyToPath := path.Join(sar.RunContext.JobContainer.ToContainerPath(sar.RunContext.Config.Workdir), eval.Interpolate(ctx, sar.Step.With["path"]))
return sar.RunContext.JobContainer.CopyDir(copyToPath, sar.RunContext.Config.Workdir+string(filepath.Separator)+".", sar.RunContext.Config.UseGitIgnore)(ctx)
}
actionDir := fmt.Sprintf("%s/%s", sar.RunContext.ActionCacheDir(), safeFilename(sar.Step.Uses))
return sar.runAction(sar, actionDir, sar.remoteAction)(ctx)
}),
)
}
func (sar *stepActionRemote) post() common.Executor {
return runStepExecutor(sar, stepStagePost, runPostStep(sar)).If(hasPostStep(sar)).If(shouldRunPostStep(sar))
}
func (sar *stepActionRemote) getRunContext() *RunContext {
return sar.RunContext
}
func (sar *stepActionRemote) getGithubContext(ctx context.Context) *model.GithubContext {
ghc := sar.getRunContext().getGithubContext(ctx)
// extend github context if we already have an initialized remoteAction
remoteAction := sar.remoteAction
if remoteAction != nil {
ghc.ActionRepository = fmt.Sprintf("%s/%s", remoteAction.Org, remoteAction.Repo)
ghc.ActionRef = remoteAction.Ref
}
return ghc
}
func (sar *stepActionRemote) getStepModel() *model.Step {
return sar.Step
}
func (sar *stepActionRemote) getEnv() *map[string]string {
return &sar.env
}
func (sar *stepActionRemote) getIfExpression(ctx context.Context, stage stepStage) string {
switch stage {
case stepStagePre:
github := sar.getGithubContext(ctx)
if sar.remoteAction.IsCheckout() && isLocalCheckout(github, sar.Step) && !sar.RunContext.Config.NoSkipCheckout {
// skip local checkout pre step
return "false"
}
return sar.action.Runs.PreIf
case stepStageMain:
return sar.Step.If.Value
case stepStagePost:
return sar.action.Runs.PostIf
}
return ""
}
func (sar *stepActionRemote) getActionModel() *model.Action {
return sar.action
}
func (sar *stepActionRemote) getCompositeRunContext(ctx context.Context) *RunContext {
if sar.compositeRunContext == nil {
actionDir := fmt.Sprintf("%s/%s", sar.RunContext.ActionCacheDir(), safeFilename(sar.Step.Uses))
actionLocation := path.Join(actionDir, sar.remoteAction.Path)
_, containerActionDir := getContainerActionPaths(sar.getStepModel(), actionLocation, sar.RunContext)
sar.compositeRunContext = newCompositeRunContext(ctx, sar.RunContext, sar, containerActionDir)
sar.compositeSteps = sar.compositeRunContext.compositeExecutor(sar.action)
} else {
// Re-evaluate environment here. For remote actions the environment
// need to be re-created for every stage (pre, main, post) as there
// might be required context changes (inputs/outputs) while the action
// stages are executed. (e.g. the output of another action is the
// input for this action during the main stage, but the env
// was already created during the pre stage)
env := evaluateCompositeInputAndEnv(ctx, sar.RunContext, sar)
sar.compositeRunContext.Env = env
sar.compositeRunContext.ExtraPath = sar.RunContext.ExtraPath
}
return sar.compositeRunContext
}
func (sar *stepActionRemote) getCompositeSteps() *compositeSteps {
return sar.compositeSteps
}
type remoteAction struct {
URL string
Org string
Repo string
Path string
Ref string
}
func (ra *remoteAction) CloneURL() string {
return fmt.Sprintf("%s/%s/%s", ra.URL, ra.Org, ra.Repo)
}
func (ra *remoteAction) IsCheckout() bool {
if ra.Org == "actions" && ra.Repo == "checkout" {
return true
}
return false
}
func newRemoteAction(action string) *remoteAction {
// GitHub's document[^] describes:
// > We strongly recommend that you include the version of
// > the action you are using by specifying a Git ref, SHA, or Docker tag number.
// Actually, the workflow stops if there is the uses directive that hasn't @ref.
// [^]: https://docs.github.com/en/actions/reference/workflow-syntax-for-github-actions
r := regexp.MustCompile(`^([^/@]+)/([^/@]+)(/([^@]*))?(@(.*))?$`)
matches := r.FindStringSubmatch(action)
if len(matches) < 7 || matches[6] == "" {
return nil
}
return &remoteAction{
Org: matches[1],
Repo: matches[2],
Path: matches[4],
Ref: matches[6],
URL: "https://github.com",
}
}
func safeFilename(s string) string {
return strings.NewReplacer(
`<`, "-",
`>`, "-",
`:`, "-",
`"`, "-",
`/`, "-",
`\`, "-",
`|`, "-",
`?`, "-",
`*`, "-",
).Replace(s)
}