system_setup: refactor the testing system

1. updating testing system with the proper autoinstall schema
2. reconf mode testing included

examples/answers-system-setup-reconf.yaml

@@ -0,0 +1,18 @@
+WSLConfigurationBase:
+  automount_root: '/custom_mnt_path'
+  automount_options: 'metadata'
+  network_generatehosts: false
+  network_generateresolvconf: false
+WSLConfigurationAdvanced:
+  interop_enabled: false
+  interop_appendwindowspath: false
+  gui_theme: 'light'
+  gui_followwintheme: true
+  interop_guiintegration: true
+  interop_audiointegration: true
+  interop_advancedipdetection: true
+  motd_wslnewsenabled: false
+  automount_enabled: false
+  automount_mountfstab: false
+Summary:
+  reboot: yes

examples/autoinstall-system-setup.yaml

@@ -14,4 +14,15 @@ wslconfbase:
   automount_options: 'metadata'
   network_generatehosts: false
   network_generateresolvconf: false
+wslconfadvanced:
+  interop_enabled: false
+  interop_appendwindowspath: false
+  gui_theme: 'light'
+  gui_followwintheme: true
+  interop_guiintegration: true
+  interop_audiointegration: true
+  interop_advancedipdetection: true
+  motd_wslnewsenabled: false
+  automount_enabled: false
+  automount_mountfstab: false
 shutdown: 'reboot'

scripts/runtests.sh

@@ -22,8 +22,15 @@ validate () {
         fi
         netplan generate --root .subiquity
     elif [ "${mode}" = "system_setup" ]; then
-        # TODO WSL: Compare generated wsl.conf to oracle
+        setup_mode="$2"
-        echo "system setup validation"
+        echo "system setup validation for $setup_mode"
+        [ -d ".subiquity/etc/" ] || (echo "etc/ dir not created for config"; exit 1)
+        [ -d "system_setup/tests/golden/${setup_mode}" ] || (echo "tests/golden not found in system_setup"; exit 1)
+        for file in system_setup/tests/golden/${setup_mode}/*.conf; do
+            filename=$(basename ${file})
+            conf_filepath=".subiquity/etc/${filename}"
+            diff -Nup "${file}" "${conf_filepath}" || exit 1
+        done
     else
         echo "W: Unknown validation mode: ${mode}"
     fi
@@ -34,6 +41,7 @@ clean () {
     rm -f .subiquity/subiquity-*.log
     rm -f "$testschema"
     rm -rf .subiquity/run/
+    rm -rf .subiquity/etc/*.conf
     rm -rf .subiquity/etc/cloud/cloud.cfg.d/99-installer.cfg
 }
 
@@ -66,8 +74,15 @@ for answers in examples/answers*.yaml; do
     else
         # The OOBE doesn't exist in WSL < 20.04
         if [ "${RELEASE%.*}" -ge 20 ]; then
-            timeout --foreground 60 sh -c "LANG=C.UTF-8 python3 -m system_setup.cmd.tui --answers $answers --dry-run " < $tty
+            # check if it is reconf
-            validate "system_setup"
+            reconf_settings="false"
+            validate_subtype="answers"
+            if echo $answers|grep -q reconf; then
+                reconf_settings="true"
+                validate_subtype="answers-reconf"
+            fi
+            timeout --foreground 60 sh -c "DRYRUN_RECONFIG=$reconf_settings LANG=C.UTF-8 python3 -m system_setup.cmd.tui --answers $answers --dry-run " < $tty
+            validate "system_setup" "$validate_subtype"
         fi
     fi
 done
@@ -105,6 +120,7 @@ if [ "${RELEASE%.*}" -ge 20 ]; then
     # Like generating a wsl.conf file and comparing it to the oracle.
     clean
     timeout --foreground 60 sh -c "LANG=C.UTF-8 python3 -m system_setup.cmd.tui --autoinstall examples/autoinstall-system-setup.yaml --dry-run"
+    validate "system_setup" "autoinstall"
 
     python3 -m system_setup.cmd.schema > "$testschema"
     scripts/schema-cmp.py "autoinstall-system-setup-schema.json" "$testschema" --ignore-tz

system_setup/common/wsl_conf.py

@@ -17,6 +17,7 @@
 #    original code from ubuntuwslctl.core.loader
 #    Copyright (C) 2021 Canonical Ltd.
 
+import collections
 import os
 import logging
 from configparser import ConfigParser
@@ -161,6 +162,16 @@ def wsl_config_update(config_class, root_dir):
                         config.add_section(config_section)
                     config[config_section][config_setting] = config_value
 
+        # sort config in ascii order
+        for section in config._sections:
+            config._sections[section] = \
+                collections.OrderedDict(
+                    sorted(config._sections[section].items(),
+                           key=lambda t: t[0]))
+        config._sections = \
+            collections.OrderedDict(sorted(config._sections.items(),
+                                           key=lambda t: t[0]))
+
         with open(conf_file + ".new", 'w+') as configfile:
             config.write(configfile)
 

system_setup/tests/golden/answers-reconf/ubuntu-wsl.conf

@@ -0,0 +1,12 @@
+[GUI]
+followwintheme = true
+theme = light
+
+[Interop]
+advancedipdetection = true
+audiointegration = true
+guiintegration = true
+
+[Motd]
+wslnewsenabled = false
+

system_setup/tests/golden/answers-reconf/wsl.conf

@@ -0,0 +1,14 @@
+[automount]
+enabled = false
+mountfstab = false
+options = metadata
+root = /custom_mnt_path
+
+[interop]
+appendwindowspath = false
+enabled = false
+
+[network]
+generatehosts = false
+generateresolvconf = false
+

system_setup/tests/golden/answers/wsl.conf

@@ -0,0 +1,8 @@
+[automount]
+options = metadata
+root = /custom_mnt_path
+
+[network]
+generatehosts = false
+generateresolvconf = false
+

system_setup/tests/golden/autoinstall/wsl.conf

@@ -0,0 +1,8 @@
+[automount]
+options = metadata
+root = /custom_mnt_path
+
+[network]
+generatehosts = false
+generateresolvconf = false
+