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https://github.com/kubesphere/kubekey.git
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865913fea9
Signed-off-by: joyceliu <joyceliu@yunify.com> Co-authored-by: joyceliu <joyceliu@yunify.com>
78 lines
2.1 KiB
Go
78 lines
2.1 KiB
Go
/*
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Copyright 2023 The KubeSphere Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package tmpl
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import (
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"bytes"
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"fmt"
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"strings"
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"k8s.io/klog/v2"
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"github.com/kubesphere/kubekey/v4/pkg/converter/internal"
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)
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// ParseBool parse template string to bool
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func ParseBool(ctx map[string]any, inputs []string) (bool, error) {
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for _, input := range inputs {
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if !IsTmplSyntax(input) {
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input = "{{ " + input + " }}"
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}
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tl, err := internal.Template.Parse(input)
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if err != nil {
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return false, fmt.Errorf("failed to parse template '%s': %w", input, err)
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}
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result := bytes.NewBuffer(nil)
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if err := tl.Execute(result, ctx); err != nil {
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return false, fmt.Errorf("failed to execute template '%s': %w", input, err)
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}
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klog.V(6).InfoS(" parse template succeed", "result", result.String())
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if result.String() != "true" {
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return false, nil
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}
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}
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return true, nil
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}
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// ParseString parse template string to actual string
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func ParseString(ctx map[string]any, input string) (string, error) {
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if !IsTmplSyntax(input) {
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return input, nil
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}
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tl, err := internal.Template.Parse(input)
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if err != nil {
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return "", fmt.Errorf("failed to parse template '%s': %w", input, err)
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}
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result := bytes.NewBuffer(nil)
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if err := tl.Execute(result, ctx); err != nil {
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return "", fmt.Errorf("failed to execute template '%s': %w", input, err)
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}
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klog.V(6).InfoS(" parse template succeed", "result", result.String())
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return strings.TrimPrefix(strings.TrimSuffix(result.String(), "\n"), "\n"), nil
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}
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// IsTmplSyntax Check if the string conforms to the template syntax.
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func IsTmplSyntax(s string) bool {
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return strings.Contains(s, "{{") && strings.Contains(s, "}}")
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}
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