49 lines
991 B
Go
49 lines
991 B
Go
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package x509util
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import (
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"bytes"
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"io/ioutil"
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"text/template"
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"github.com/Masterminds/sprig"
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"github.com/pkg/errors"
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"github.com/smallstep/cli/config"
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)
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type Options struct {
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CertBuffer *bytes.Buffer
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}
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func (o *Options) apply(opts []Option) (*Options, error) {
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for _, fn := range opts {
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if err := fn(o); err != nil {
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return o, err
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}
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}
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return o, nil
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}
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type Option func(o *Options) error
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func WithTemplate(path string, data map[string]interface{}) Option {
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return func(o *Options) error {
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filename := config.StepAbs(path)
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b, err := ioutil.ReadFile(filename)
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if err != nil {
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return errors.Wrapf(err, "error reading %s", path)
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}
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tmpl, err := template.New(path).Funcs(sprig.TxtFuncMap()).Parse(string(b))
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if err != nil {
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return errors.Wrapf(err, "error parsing %s", path)
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}
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buf := new(bytes.Buffer)
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if err := tmpl.Execute(buf, data); err != nil {
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return errors.Wrapf(err, "error executing %s", path)
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}
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o.CertBuffer = buf
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return nil
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}
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}
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