Allow override default user's homedir, shell, group and gecos

lib/tiny-cloud/init

@@ -164,7 +164,12 @@ init__create_default_user() {
 	fi
 
 	$MOCK addgroup "$user"
-	$MOCK adduser -h "/home/$user" -s /bin/sh -G "$user" -D "$user"
+	$MOCK adduser -D \
+		-h "${CLOUD_USER_HOMEDIR:-/home/$user}" \
+		-s "${CLOUD_USER_SHELL:-/bin/sh}" \
+		-G "${CLOUD_USER_PRIMARY_GROUP:-$user}" \
+		${CLOUD_USER_GECOS:+-g "$CLOUD_USER_GECOS"} \
+		"$user"
 	$MOCK addgroup "$user" wheel
 	echo "$user:*" | $MOCK chpasswd -e
 

lib/tiny-cloud/user-data/cloud-config

@@ -30,10 +30,24 @@ init__userdata_user() {
 		local default_user="$(get_userdata users/1)"
 		if [ "$default_user" != "default" ]; then
 			CLOUD_USER="$(get_userdata users/1/name)"
+			CLOUD_USER_HOMEDIR="$(get_userdata users/1/homedir)"
+			CLOUD_USER_SHELL="$(get_userdata users/1/shell)"
+			CLOUD_USER_PRIMARY_GROUP="$(get_userdata users/1/primary_group)"
+			CLOUD_USER_GECOS="$(get_userdata users/1/gecos)"
 			return 0
 		fi
 	fi
+
+	local homedir="$(get_userdata user/homedir)"
+	local shell="$(get_userdata user/shell)"
+	local primary_group="$(get_userdata user/primary_group)"
+	local gecos="$(get_userdata user/gecos)"
+
 	CLOUD_USER="${name:-$CLOUD_USER}"
+	CLOUD_USER_HOMEDIR="${homedir:-$CLOUD_USER_HOMEDIR}"
+	CLOUD_USER_SHELL="${shell:-$CLOUD_USER_SHELL}"
+	CLOUD_USER_PRIMARY_GROUP="${primary_group:-$CLOUD_USER_PRIMARY_GROUP}"
+	CLOUD_USER_GECOS="${gecos:-$CLOUD_USER_GECOS}"
 }
 
 set_ssh_authorized_keys_for() {

tests/tiny-cloud-alpine.test

@@ -13,6 +13,10 @@ init_tests \
 	set_network_config_network_interfaces \
 	set_network_config_auto \
 	userdata_user_name \
+	userdata_user_homedir \
+	userdata_user_gecos \
+	userdata_user_shell \
+	userdata_user_primary_group \
 	userdata_user_missing_name \
 	userdata_create_default_user \
 	userdata_no_default_user \
@@ -126,6 +130,62 @@ userdata_user_name_body() {
 		tiny-cloud main
 }
 
+userdata_user_homedir_body() {
+	fake_userdata_nocloud <<-EOF
+		#alpine-config
+		user:
+		  name: joeuser
+		  homedir: /var/lib/joe
+	EOF
+	atf_check -e ignore -o ignore tiny-cloud early
+	atf_check \
+		-e match:"create_default_user: done" \
+		-o match:"adduser.*-h /var/lib/joe" \
+		tiny-cloud main
+}
+
+userdata_user_gecos_body() {
+	fake_userdata_nocloud <<-EOF
+		#alpine-config
+		user:
+		  name: joeuser
+		  gecos: Joe User
+	EOF
+	atf_check -e ignore -o ignore tiny-cloud early
+	atf_check \
+		-e match:"create_default_user: done" \
+		-o match:"adduser.*-g Joe User" \
+		tiny-cloud main
+}
+
+userdata_user_shell_body() {
+	fake_userdata_nocloud <<-EOF
+		#alpine-config
+		user:
+		  name: joeuser
+		  shell: /bin/bash
+	EOF
+	atf_check -e ignore -o ignore tiny-cloud early
+	atf_check \
+		-e match:"create_default_user: done" \
+		-o match:"adduser.*-s /bin/bash" \
+		tiny-cloud main
+}
+
+userdata_user_primary_group_body() {
+	fake_userdata_nocloud <<-EOF
+		#alpine-config
+		user:
+		  name: joeuser
+		  primary_group: baz
+	EOF
+	atf_check -e ignore -o ignore tiny-cloud early
+	atf_check \
+		-e match:"create_default_user: done" \
+		-o match:"adduser.*-G baz" \
+		tiny-cloud main
+}
+
 userdata_user_missing_name_body() {
 	fake_userdata_nocloud <<-EOF
 		#alpine-config