Clean out untagged Docker images after build
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parent
4023d44674
commit
2bf7ebf219
24
main.go
24
main.go
@ -1,6 +1,7 @@
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package main
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package main
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import (
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import (
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"bytes"
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"fmt"
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"fmt"
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"io/ioutil"
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"io/ioutil"
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"os"
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"os"
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@ -228,6 +229,29 @@ func main() {
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}
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}
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}
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}
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// Remove untagged images, if any
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var outbuf bytes.Buffer
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cmd = exec.Command("sh", "-c", "docker images | grep '^<none>' | awk '{print $3}'")
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cmd.Stdout = &outbuf
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cmd.Stderr = os.Stderr
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trace(cmd)
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err = cmd.Run()
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if err != nil {
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os.Exit(1)
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}
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if outbuf.Len() > 0 {
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images := strings.Split(strings.TrimSpace(outbuf.String()), "\n")
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cmd = exec.Command("docker", append([]string{"rmi"}, images...)...)
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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trace(cmd)
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err := cmd.Run()
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if err != nil {
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os.Exit(1)
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}
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}
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// Save to tarred image repository
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// Save to tarred image repository
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if len(vargs.Save.File) != 0 {
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if len(vargs.Save.File) != 0 {
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// if the destination directory does not exist, create it
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// if the destination directory does not exist, create it
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