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Add list generator support (argoproj#3)
* Add list generator support * update item to elements * Fix build error * trigger github * update
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,6 @@ | ||
| package utils | ||
|
|
||
| const ( | ||
| ClusterListGeneratorKeyName = "cluster" | ||
| UrlGeneratorKeyName = "url" | ||
| ) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| package utils | ||
|
|
||
| import ( | ||
| "encoding/json" | ||
| "fmt" | ||
| argov1alpha1 "github.com/argoproj/argo-cd/pkg/apis/application/v1alpha1" | ||
| "github.com/pkg/errors" | ||
| "github.com/valyala/fasttemplate" | ||
| "io" | ||
| "strconv" | ||
| ) | ||
|
|
||
| func RenderTemplateParams(tmpl *argov1alpha1.Application, params map[string]string) (*argov1alpha1.Application, error) { | ||
| if tmpl == nil { | ||
| return nil, fmt.Errorf("Application template is empty ") | ||
| } | ||
|
|
||
| if len(params) == 0 { | ||
| return tmpl, nil | ||
| } | ||
|
|
||
| tmplBytes, err := json.Marshal(tmpl) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| fstTmpl := fasttemplate.New(string(tmplBytes), "{{", "}}") | ||
| replacedTmplStr, err := Replace(fstTmpl, params, true) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| var replacedTmpl argov1alpha1.Application | ||
| err = json.Unmarshal([]byte(replacedTmplStr), &replacedTmpl) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return &replacedTmpl, nil | ||
| } | ||
|
|
||
| // Replace executes basic string substitution of a template with replacement values. | ||
| // allowUnresolved indicates whether or not it is acceptable to have unresolved variables | ||
| // remaining in the substituted template. prefixFilter will apply the replacements only | ||
| // to variables with the specified prefix | ||
| func Replace(fstTmpl *fasttemplate.Template, replaceMap map[string]string, allowUnresolved bool) (string, error) { | ||
| var unresolvedErr error | ||
| replacedTmpl := fstTmpl.ExecuteFuncString(func(w io.Writer, tag string) (int, error) { | ||
| replacement, ok := replaceMap[tag] | ||
| if !ok { | ||
| if allowUnresolved { | ||
| // just write the same string back | ||
| return w.Write([]byte(fmt.Sprintf("{{%s}}", tag))) | ||
| } | ||
| unresolvedErr = errors.Errorf("failed to resolve {{%s}}", tag) | ||
| return 0, nil | ||
| } | ||
| // The following escapes any special characters (e.g. newlines, tabs, etc...) | ||
| // in preparation for substitution | ||
| replacement = strconv.Quote(replacement) | ||
| replacement = replacement[1 : len(replacement)-1] | ||
| return w.Write([]byte(replacement)) | ||
| }) | ||
| if unresolvedErr != nil { | ||
| return "", unresolvedErr | ||
| } | ||
| return replacedTmpl, nil | ||
| } |