allowing docker to use cached base image in build
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0d98008242
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3
.gitignore
vendored
3
.gitignore
vendored
@ -26,3 +26,6 @@ _testmain.go
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coverage.out
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drone-docker
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# IDE/Editor related files
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**.swp
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6
main.go
6
main.go
@ -118,6 +118,11 @@ func main() {
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Usage: "squash the layers at build time",
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EnvVar: "PLUGIN_SQUASH",
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},
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cli.BoolTFlag{
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Name: "cache",
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Usage: "don't attempt to re-build layers of the image that already exist",
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EnvVar: "PLUGIN_USE_CACHE",
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},
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cli.BoolFlag{
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Name: "compress",
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Usage: "compress the build context using gzip",
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@ -172,6 +177,7 @@ func run(c *cli.Context) error {
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Tags: c.StringSlice("tags"),
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Args: c.StringSlice("args"),
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Squash: c.Bool("squash"),
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Cache: c.Bool("cache"),
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Compress: c.Bool("compress"),
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Repo: c.String("repo"),
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},
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@ -47,6 +47,7 @@ type (
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Tags []string // Docker build tags
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Args []string // Docker build args
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Squash bool // Docker build squash
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Cache bool // Docker build without pulling
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Compress bool // Docker build compress
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Repo string // Docker build repository
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}
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@ -187,7 +188,6 @@ func commandInfo() *exec.Cmd {
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func commandBuild(build Build) *exec.Cmd {
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args := []string {
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"build",
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"--pull=true",
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"--rm=true",
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"-f", build.Dockerfile,
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"-t", build.Name,
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@ -200,6 +200,11 @@ func commandBuild(build Build) *exec.Cmd {
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if build.Compress {
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args = append(args, "--compress")
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}
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if build.Cache {
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args = append(args, "--pull=false")
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} else {
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args = append(args, "--pull=true")
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}
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for _, arg := range build.Args {
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args = append(args, "--build-arg", arg)
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}
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