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@ -1,10 +1,15 @@
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package common
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import (
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"encoding/hex"
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"errors"
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"fmt"
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"log"
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"net/url"
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"os"
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"strings"
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getter "github.com/hashicorp/go-getter"
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"github.com/hashicorp/packer/template/interpolate"
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)
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@ -65,6 +70,28 @@ func (c *ISOConfig) Prepare(ctx *interpolate.Context) (warnings []string, errs [
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if c.ISOChecksum == "" {
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errs = append(errs, fmt.Errorf("A checksum must be specified"))
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}
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if c.ISOChecksumType == "file" {
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u, err := url.Parse(c.ISOUrls[0])
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wd, err := os.Getwd()
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if err != nil {
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log.Printf("get working directory: %v", err)
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// here we ignore the error in case the
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// working directory is not needed.
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}
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gc := getter.Client{
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Dst: "no-op",
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Src: u.String(),
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Pwd: wd,
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Dir: false,
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Getters: getter.Getters,
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}
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cksum, err := gc.ChecksumFromFile(c.ISOChecksumURL, u)
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if err != nil {
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errs = append(errs, fmt.Errorf("Couldn't extract checksum from checksum file"))
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}
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c.ISOChecksumType = cksum.Type
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c.ISOChecksum = hex.EncodeToString(cksum.Value)
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}
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return warnings, errs
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}
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Megan Marsh
7 years ago