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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| package plural | ||
|
|
||
| import ( | ||
| "github.com/pluralsh/plural-cli/pkg/pr" | ||
| "github.com/urfave/cli" | ||
| ) | ||
|
|
||
| func prCommands() []cli.Command { | ||
| return []cli.Command{ | ||
| { | ||
| Name: "template", | ||
| Usage: "applies a pr template resource in the local source tree", | ||
| Action: handlePrTemplate, | ||
| Flags: []cli.Flag{ | ||
| cli.StringFlag{ | ||
| Name: "file", | ||
| Usage: "the file the template was placed in", | ||
| Required: true, | ||
| }, | ||
| }, | ||
| }, | ||
| } | ||
| } | ||
|
|
||
| func handlePrTemplate(c *cli.Context) error { | ||
| template, err := pr.Build(c.String("file")) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return pr.Apply(template) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,9 @@ | ||
| package pr | ||
|
|
||
| func Apply(template *PrTemplate) error { | ||
| if err := applyUpdates(template.Spec.Updates, template.Context); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return applyCreates(template.Spec.Creates, template.Context) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,5 @@ | ||
| package pr | ||
|
|
||
| func applyCreates(creates *CreateSpec, ctx map[string]interface{}) error { | ||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| package pr | ||
|
|
||
| import ( | ||
| "os" | ||
|
|
||
| "sigs.k8s.io/yaml" | ||
| ) | ||
|
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| type PrTemplate struct { | ||
| ApiVersion string `json:"apiVersion"` | ||
| Kind string `json:"kind"` | ||
| Metadata map[string]interface{} `json:"metadata"` | ||
| Context map[string]interface{} `json:"context"` | ||
| Spec PrTemplateSpec `json:"spec"` | ||
| } | ||
|
|
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| type PrTemplateSpec struct { | ||
| Updates *UpdateSpec `json:"updates"` | ||
| Creates *CreateSpec `json:"creates"` | ||
| } | ||
|
|
||
| type UpdateSpec struct { | ||
| Regexes []string `json:"regexes"` | ||
| Files []string `json:"files"` | ||
| ReplaceTemplate string `json:"replace_template"` | ||
| Yq string `json:"yq"` | ||
| MatchStrategy string `json:"match_strategy"` | ||
| } | ||
|
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| type CreateSpec struct { | ||
| } | ||
|
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| func Build(path string) (*PrTemplate, error) { | ||
| pr := &PrTemplate{} | ||
| data, err := os.ReadFile(path) | ||
| if err != nil { | ||
| return pr, err | ||
| } | ||
|
|
||
| if err := yaml.Unmarshal(data, pr); err != nil { | ||
| return pr, err | ||
| } | ||
|
|
||
| return pr, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,114 @@ | ||
| package pr | ||
|
|
||
| import ( | ||
| "io/fs" | ||
| "path/filepath" | ||
| "regexp" | ||
| ) | ||
|
|
||
| func applyUpdates(updates *UpdateSpec, ctx map[string]interface{}) error { | ||
| replacement, err := templateReplacement(updates.ReplaceTemplate, ctx) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return filepath.Walk(".", func(path string, info fs.FileInfo, err error) error { | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if info.IsDir() { | ||
| return nil | ||
| } | ||
|
|
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| ok, err := filenameMatches(path, updates.Files) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| if ok { | ||
| return updateFile(path, updates, replacement) | ||
| } | ||
|
|
||
| return nil | ||
| }) | ||
| } | ||
|
|
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| func updateFile(path string, updates *UpdateSpec, replacement string) error { | ||
| switch updates.MatchStrategy { | ||
| case "any": | ||
| return anyUpdateFile(path, updates, replacement) | ||
| case "all": | ||
| return allUpdateFile(path, updates) | ||
| case "recursive": | ||
| return recursiveUpdateFile(path, updates, replacement) | ||
| default: | ||
| return nil | ||
| } | ||
| } | ||
|
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| func anyUpdateFile(path string, updates *UpdateSpec, replacement string) error { | ||
| return replaceInPlace(path, func(data []byte) ([]byte, error) { | ||
| for _, reg := range updates.Regexes { | ||
| r, err := regexp.Compile(reg) | ||
| if err != nil { | ||
| return data, err | ||
| } | ||
| data = r.ReplaceAll(data, []byte(replacement)) | ||
| } | ||
| return data, nil | ||
| }) | ||
| } | ||
|
|
||
| func allUpdateFile(path string, updates *UpdateSpec) error { | ||
| return nil | ||
| } | ||
|
|
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| func recursiveUpdateFile(path string, updates *UpdateSpec, replacement string) error { | ||
| return replaceInPlace(path, func(data []byte) ([]byte, error) { | ||
| for _, reg := range updates.Regexes { | ||
| r, err := regexp.Compile(reg) | ||
| if err != nil { | ||
| return data, err | ||
| } | ||
| data = r.ReplaceAll(data, []byte(replacement)) | ||
| } | ||
| return data, nil | ||
| }) | ||
| } | ||
|
|
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| func recursiveReplace(data []byte, regexes []string, replacement string) ([]byte, error) { | ||
| if len(regexes) == 0 { | ||
| return []byte(replacement), nil | ||
| } | ||
|
|
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| r, err := regexp.Compile(regexes[0]) | ||
| if err != nil { | ||
| return data, err | ||
| } | ||
|
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| res := r.ReplaceAllFunc(data, func(d []byte) []byte { | ||
| res, err := recursiveReplace(d, regexes[1:], replacement) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| return res | ||
| }) | ||
|
|
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| return res, nil | ||
| } | ||
|
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| func filenameMatches(path string, files []string) (bool, error) { | ||
| for _, f := range files { | ||
| r, err := regexp.Compile(f) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
|
|
||
| if r.MatchString(path) { | ||
| return true, nil | ||
| } | ||
| } | ||
|
|
||
| return false, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| package pr | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "os" | ||
| "text/template" | ||
|
|
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| "github.com/Masterminds/sprig/v3" | ||
| ) | ||
|
|
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| func templateReplacement(data string, ctx map[string]interface{}) (string, error) { | ||
| tpl, err := template.New("gotpl").Funcs(sprig.TxtFuncMap()).Parse(data) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| var buf bytes.Buffer | ||
| if err := tpl.Execute(&buf, map[string]interface{}{"context": ctx}); err != nil { | ||
| return "", err | ||
| } | ||
| return buf.String(), nil | ||
| } | ||
|
|
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| func replaceInPlace(path string, rep func(data []byte) ([]byte, error)) error { | ||
| info, err := os.Stat(path) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| data, err := os.ReadFile(path) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| resData, err := rep(data) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return os.WriteFile(path, resData, info.Mode()) | ||
| } |