actions: Support for local packages installation

actions/apt_action.go

@@ -7,6 +7,7 @@ Yaml syntax:
  - action: apt
    recommends: bool
    unauthenticated: bool
+   local-packages-dir: directory
    packages:
      - package1
      - package2
@@ -20,10 +21,18 @@ Optional properties:
 - recommends -- boolean indicating if suggested packages will be installed
 
 - unauthenticated -- boolean indicating if unauthenticated packages can be installed
+- local-packages-dir -- directory containing local packages to be installed,
+located in the recipe directory ($RECIPEDIR)
 */
 package actions
 
 import (
+	"fmt"
+	"io/ioutil"
+	"os"
+	"path"
+	"strings"
+
 	"github.com/go-debos/debos"
 )
 
@@ -32,6 +41,7 @@ type AptAction struct {
 	Recommends       bool
 	Unauthenticated  bool
 	Packages         []string
+	LocalPackagesDir string `yaml:"local-packages-dir"` // external path containing local packages
 }
 
 func (apt *AptAction) Run(context *debos.DebosContext) error {
@@ -49,6 +59,51 @@ func (apt *AptAction) Run(context *debos.DebosContext) error {
 	aptOptions = append(aptOptions, "install")
 	aptOptions = append(aptOptions, apt.Packages...)
 
+	if apt.LocalPackagesDir != "" {
+		localpackagesdir := path.Join(context.RecipeDir, apt.LocalPackagesDir)
+		destination, err := ioutil.TempDir(path.Join(context.Rootdir, "usr/local"), "debs")
+		if err != nil {
+			return err
+		}
+		defer os.RemoveAll(destination)
+
+		err = debos.CopyTree(localpackagesdir, destination)
+		if err != nil {
+			return err
+		}
+
+		currentDir, _ := os.Getwd()
+		os.Chdir(destination)
+
+		// apt-ftparchive tries to read /etc/apt/apt.conf.d, add this path temporarily to prevent warnings
+		os.MkdirAll("/etc/apt/apt.conf.d", 0755)
+		defer os.RemoveAll("/etc/apt/apt.conf.d/")
+
+		err = debos.Command{}.Run("apt", "sh", "-c", "apt-ftparchive packages . > Packages")
+		if err != nil {
+			return err
+		}
+		err = debos.Command{}.Run("apt", "sh", "-c", "apt-ftparchive release . > Release")
+		if err != nil {
+			return err
+		}
+
+		os.Chdir(currentDir)
+
+		locallist, err := os.OpenFile(path.Join(context.Rootdir, "/etc/apt/sources.list.d/debos-local-debs.list"),
+			os.O_RDWR | os.O_CREATE, 0644)
+		if err != nil {
+			return err
+		}
+		defer os.RemoveAll(locallist.Name())
+		_, err = locallist.WriteString(fmt.Sprintf("deb [trusted=yes] file://%s ./\n",
+			strings.TrimPrefix(destination, context.Rootdir)))
+		if err != nil {
+			return err
+		}
+		locallist.Close()
+	}
+
 	c := debos.NewChrootCommandForContext(*context)
 	c.AddEnv("DEBIAN_FRONTEND=noninteractive")
 

docker/Dockerfile

@@ -54,6 +54,7 @@ LABEL org.label-schema.docker.cmd 'docker run \
 RUN apt-get update && \
     apt-get install -y --no-install-recommends \
         apt-transport-https \
+        apt-utils \
         binfmt-support \
         bmap-tools \
         btrfs-progs \