confd: remap legacy dhcp client options to consolidated options

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

src/confd/share/migrate/1.4/10-dhcp-client-option-name.sh

@@ -1,5 +1,6 @@
 #!/bin/sh
-# Rename DHCP client option attribute 'name' -> 'id' to make DHCP server.
+# Rename DHCP client option attribute 'name' -> 'id'
+# to match the DHCP server nomenclature.
 
 file=$1
 temp=${file}.tmp

src/confd/share/migrate/1.4/20-dhcp-client-option-remap.sh

@@ -0,0 +1,22 @@
+#!/bin/sh
+# Remap DHCP client options to match DHCP server nomenclature.
+
+file=$1
+temp=${file}.tmp
+
+jq '(
+    .["infix-dhcp-client:dhcp-client"]?."client-if"[]?.option[]? |=
+    if has("id") then
+        .id = ({
+            "subnet"         : "netmask",
+            "dns"            : "dns-server",
+            "ntpsrv"         : "ntp-server",
+            "clientid"       : "client-id",
+            "staticroutes"   : "classless-static-route",
+            "msstaticroutes" : "ms-classless-static-route"
+        }[.id] // .id)
+    else
+        .
+    end
+)' "$file" > "$temp" &&
+    mv "$temp" "$file"

src/confd/share/migrate/1.4/Makefile.am

@@ -1,2 +1,3 @@
 migratedir          = $(pkgdatadir)/migrate/1.4
-dist_migrate_DATA   = 10-dhcp-client-option-name.sh
+dist_migrate_DATA   = 10-dhcp-client-option-name.sh \
+                      20-dhcp-client-option-remap.sh