/
dockerfilegenerator.go
57 lines (44 loc) · 1.73 KB
/
dockerfilegenerator.go
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//go:generate go run github.com/maxbrunsfeld/counterfeiter/v6 . DockerfileGenerator
package containertools
import (
"fmt"
"github.com/sirupsen/logrus"
)
const (
defaultBinarySourceImage = "quay.io/operator-framework/upstream-registry-builder"
DefaultDbLocation = "/database/index.db"
DbLocationLabel = "operators.operatorframework.io.index.database.v1"
)
// DockerfileGenerator defines functions to generate index dockerfiles
type DockerfileGenerator interface {
GenerateIndexDockerfile(string, string) string
}
// IndexDockerfileGenerator struct implementation of DockerfileGenerator interface
type IndexDockerfileGenerator struct {
Logger *logrus.Entry
}
// NewDockerfileGenerator is a constructor that returns a DockerfileGenerator
func NewDockerfileGenerator(containerTool string, logger *logrus.Entry) DockerfileGenerator {
return &IndexDockerfileGenerator{
Logger: logger,
}
}
// GenerateIndexDockerfile builds a string representation of a dockerfile to use when building
// an operator-registry index image
func (g *IndexDockerfileGenerator) GenerateIndexDockerfile(binarySourceImage, databaseFolder string) string {
var dockerfile string
if binarySourceImage == "" {
binarySourceImage = defaultBinarySourceImage
}
g.Logger.Info("Generating dockerfile")
// From
dockerfile += fmt.Sprintf("FROM %s\n", binarySourceImage)
// Labels
dockerfile += fmt.Sprintf("LABEL %s=%s\n", DbLocationLabel, DefaultDbLocation)
// Content
dockerfile += fmt.Sprintf("ADD %s /database\n", databaseFolder)
dockerfile += fmt.Sprintf("EXPOSE 50051\n")
dockerfile += fmt.Sprintf("ENTRYPOINT [\"/bin/opm\"]\n")
dockerfile += fmt.Sprintf("CMD [\"registry\", \"serve\", \"--database\", \"%s\"]\n", DefaultDbLocation)
return dockerfile
}