[PATCH] fff-gateway: Add sanity checks

[Robert Langhammer]

Hallo Fabian, s. inline 

Am 14. August 2019 01:00:43 MESZ schrieb "Fabian Bläse" <fabian at blaese.de>:
>This adds two checks:
>- Does gateway config exist?
>- Does gateway config version match?
>
>Signed-off-by: Fabian Bläse <fabian at blaese.de>
>---
> .../fff-gateway/files/etc/gateway.d/01-version  | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>create mode 100644
>src/packages/fff/fff-gateway/files/etc/gateway.d/01-version
>
>diff --git
>a/src/packages/fff/fff-gateway/files/etc/gateway.d/01-version
>b/src/packages/fff/fff-gateway/files/etc/gateway.d/01-version
>new file mode 100644
>index 0000000..b2f8b6d
>--- /dev/null
>+++ b/src/packages/fff/fff-gateway/files/etc/gateway.d/01-version
>@@ -0,0 +1,17 @@
>+configure() {
>+	local expected_version=1
>+	local config_version=$(uci -q get gateway.version.config_version)
>+
>+	# check if gateway config exists
>+	if ! uci -q get gateway; then
>+		echo "ERROR: Gateway config does not exists."
Hier könnte man ein exit einbauen. 
>+	fi
>+
>+	# check version of configuration
>+	if [ "$config_version" != "$expected_version" ]; then
>+		echo "ERROR: Invalid config version. Expected \'$expected_version\',
>got \'$config_version\'."
>+		echo "Please check what has been changed and adjust your config
>appropriately."
>+
>+		exit 1
>+	fi
>+}