T712: add configure options to simplify building images with custom packages.

3 files changed, 41 insertions, 0 deletions

diff --git a/scripts/build-config b/scripts/build-config
index 27a6c7ba..008311ad 100755
--- a/scripts/build-config
+++ b/scripts/build-config
@@ -59,6 +59,7 @@ options = {
    'pbuilder-debian-mirror': ('Debian repository mirror for pbuilder env bootstrap', lambda: defaults.DEBIAN_MIRROR, None),
    'vyos-mirror': ('VyOS package mirror', lambda: defaults.VYOS_MIRROR, None),
    'build-type': ('Build type, release or development', lambda: 'development', lambda x: x in ['release', 'development']),
+   'custom-packages': ('Custom packages to install from repositories', lambda: '', None),
    'version': ('Version number (release builds only)', None, None)
 }
 
@@ -74,6 +75,10 @@ for k, v in options.items():
 # The debug option is a bit special since it's different type
 parser.add_argument('--debug', help="Enable debug output", action='store_true')
 
+# Custom APT entry and APT key options can be used multiple times
+parser.add_argument('--custom-apt-entry', help="Custom APT entry", action='append')
+parser.add_argument('--custom-apt-key', help="Custom APT key file", action='append')
+
 args = vars(parser.parse_args())
 
 # Validate options
@@ -107,6 +112,13 @@ args['build_dir'] = os.path.join(os.getcwd(), defaults.BUILD_DIR)
 args['pbuilder_config'] = defaults.PBUILDER_CONFIG
 args['vyos_branch'] = defaults.VYOS_BRANCH
 
+# Convert a whitespace-separated string of custom packages to a list
+if args['custom_packages']:
+    args['custom_packages'] = re.split(r'\s+', args['custom_packages'])
+else:
+    args['custom_packages'] = []
+
+
 # Check the build environment and dependencies
 env_check_retval = os.system("scripts/check-build-env")
 if env_check_retval > 0:
diff --git a/scripts/defaults.py b/scripts/defaults.py
index 93eadc30..392af475 100644
--- a/scripts/defaults.py
+++ b/scripts/defaults.py
@@ -37,4 +37,8 @@ VYOS_MIRROR = 'http://dev.packages.vyos.net/repositories/current'
 
 VYOS_BRANCH = 'current'
 
+ARCHIVES_DIR = 'config/archives/'
+
 VYOS_REPO_FILE = 'config/archives/vyos.list.chroot'
+CUSTOM_REPO_FILE = 'config/archives/custom.list.chroot'
+CUSTOM_PACKAGE_LIST_FILE = 'config/package-lists/custom.list.chroot'
diff --git a/scripts/live-build-config b/scripts/live-build-config
index b1a77b4c..6933a475 100755
--- a/scripts/live-build-config
+++ b/scripts/live-build-config
@@ -22,6 +22,7 @@
 
 import sys
 import os
+import shutil
 import json
 
 import pystache
@@ -79,6 +80,30 @@ with open(apt_file, 'w') as f:
     f.write(vyos_repo_entry)
     f.write(vyos_debian_repo_entry)
 
+# Add custom APT entries
+if build_config['custom_apt_entry']:
+    custom_apt_file = os.path.join(build_config['build_dir'], defaults.CUSTOM_REPO_FILE)
+    entries = "\n".join(build_config['custom_apt_entry'])
+    if debug:
+        print("Adding custom APT entries:")
+        print(entries)
+    with open(custom_apt_file, 'w') as f:
+        f.write(entries)
+
+# Add custom APT keys
+if build_config['custom_apt_key']:
+    key_dir = os.path.join(build_config['build_dir'], defaults.ARCHIVES_DIR)
+    for k in build_config['custom_apt_key']:
+        dst_name = '{0}.key.chroot'.format(os.path.basename(k))
+        shutil.copy(k, os.path.join(key_dir, dst_name))
+
+# Add custom packages
+if build_config['custom_packages']:
+    package_list_file = os.path.join(build_config['build_dir'], defaults.CUSTOM_PACKAGE_LIST_FILE)
+    packages = "\n".join(build_config['custom_packages'])
+    with open (package_list_file, 'w') as f:
+        f.write(packages)
+
 # Configure live-build
 
 lb_config_command = pystache.render(lb_config_tmpl, build_config)