[v2,10/18] initscript functions: add readhash
Commit Message
To avoid the usage of eval and to store the config in an key value
array, we introduce an new function. The tests only check if we
read the correct value to the correct variable.
One comment on the implementation as this has created some headache:
>From https://www.gnu.org/software/bash/manual/bash.html#Bourne-Shell-Builtins
"When used in a function, declare makes each name local, as with the local command, unless the -g option is used."
So we need to use -g here
Signed-off-by: Jonatan Schlag <jonatan.schlag@ipfire.org>
---
src/initscripts/system/functions | 15 +++++++++++++++
tests/src/initscripts/system/functions/data/1 | 17 +++++++++++++++++
tests/src/initscripts/system/functions/test.sh | 16 ++++++++++++++++
3 files changed, 48 insertions(+)
create mode 100644 tests/src/initscripts/system/functions/data/1
create mode 100755 tests/src/initscripts/system/functions/test.sh
@@ -891,3 +891,18 @@ volume_fs_type() {
stat -f --format="%T" ${1}
}
+
+readhash() {
+ local array="${1}"
+ local file="${2}"
+
+ declare -A -g "${array}"
+
+ local line
+ while read -r line; do
+ local key="${line%=*}"
+ local val="${line#*=}"
+
+ printf -v "${array}[${key}]" "%s" "${val}"
+ done < "${file}"
+}
new file mode 100644
@@ -0,0 +1,17 @@
+CONFIG_TYPE=3
+GREEN_DEV=green0
+GREEN_MACADDR=00:c0:08:8a:a0:47
+GREEN_DRIVER=r8175
+RED_DEV=red0
+RED_MACADDR=00:c0:08:8a:a0:56
+RED_DRIVER=r8283
+BLUE_DEV='blue0 net0'
+BLUE_MACADDR=bc:30:7d:58:6b:e3
+BLUE_DRIVER=rt2800
+RED_DHCP_HOSTNAME=ipfire
+RED_DHCP_FORCE_MTU=
+RED_ADDRESS=0.0.0.0
+RED_NETMASK=0.0.0.0
+RED_TYPE=PPPOE
+RED_NETADDRESS=0.0.0.0
+
new file mode 100755
@@ -0,0 +1,16 @@
+#!/usr/bin/bash
+
+SCRIPT_PATH="$(dirname "$(readlink -f "$0")")"
+
+ROOT="$(readlink -f "${SCRIPT_PATH}/../../../../..")"
+
+. ${ROOT}/tests/lib.sh
+
+. ${ROOT}/src/initscripts/system/functions
+
+# read the date in
+readhash "CONFIG" "${SCRIPT_PATH}/data/1"
+
+# test if we read the correct data
+test_value_in_array "CONFIG" "RED_DHCP_HOSTNAME" "ipfire"
+test_value_in_array "CONFIG" "BLUE_MACADDR" "bc:30:7d:58:6b:e3"