Initial commit

2024-10-30 01:50:38 +01:00
commit 587ca23374
147 changed files with 7521 additions and 0 deletions
--- a/roles/gekmihesg.openwrt/library/openwrt_sysctl.sh
+++ b/roles/gekmihesg.openwrt/library/openwrt_sysctl.sh
@@ -0,0 +1,90 @@
+#!/bin/sh
+# Copyright (c) 2017 Markus Weippert
+# GNU General Public License v3.0 (see https://www.gnu.org/licenses/gpl-3.0.txt)
+
+PARAMS="
+    ignore_errors=ignoreerrors/bool
+    name=key/str/r
+    reload/bool//true
+    state/str//present
+    sysctl_file/str
+    sysctl_set/bool//false
+    value=val/str
+"
+RESPONSE_VARS="name value"
+
+init() {
+    sysctl="/sbin/sysctl"
+    default_sysctl_file="/etc/sysctl.conf"
+    tmp_file=""
+}
+
+sysctl_set() {
+    local result
+    [ "$(echo $($sysctl -n "$name"))" = "$value" ] || {
+        changed
+        [ -n "$_ansible_check_mode" ] ||
+            result="$($sysctl -w "$name=$value" 2>/dev/null)" ||
+            fail "failed to set $name to $value: $result"
+    }
+}
+
+sysctl_write() {
+    local found line v k
+    tmp_file="$(mktemp)"
+    while read line; do
+        set -- $line
+        [ -z "$1" -o "${1:0:1}" = "#" -o "${1/=/}" = "$1" ] || {
+            k="${1%%=*}"
+            [ "$k" != "$name" ] || {
+                found="1"
+                [ "$state" = "present" ] || { changed; continue; }
+                v="${1#*=}"
+                shift; while [ $# -ge 1 ]; do
+                    [ "${1:0:1}" != "#" ] || break; v="$v $1"; shift
+                done
+                [ "$v" = "$value" ] || {
+                    line="$k=$value${1:+ $*}"
+                    changed
+                }
+            }
+        }
+        echo "$line" >> "$tmp_file"
+    done < "$sysctl_file"
+    [ "$state" != "present" -o -n "$found" ] || {
+        echo "$name=$value" >> "$tmp_file"
+        changed
+    }
+}
+
+main() {
+    local result
+    [ -n "$sysctl_file" ] || sysctl_file="$default_sysctl_file"
+    case "$state" in
+        absent) :;;
+        present)
+            [ -n "$value" ] ||
+                fail "value must be given with state present";;
+        *) fail "state must be present or absent";;
+    esac
+
+    [ -w "$sysctl_file" ] || fail "sysctl file $sysctl_file not writeable"
+    [ "$state" = "present" ] || ignore_errors="y"
+    [ -n "$ignore_errors" -a -z "$sysctl_set" ] ||
+        [ $($sysctl "$name" 2>/dev/null | wc -l) -eq 1 ] ||
+        fail "unknown sysctl key $name"
+
+    [ -z "$sysctl_set" ] || sysctl_set
+    sysctl_write
+
+    [ -z "$CHANGED" -o -n "$_ansible_check_mode" ] || {
+        cat "$tmp_file" > "$sysctl_file"
+        [ -z "$reload" -o "$state" != "present" ] ||
+            result="$($sysctl -p "$sysctl_file" 2>&1)" ||
+            fail "failed to reload: $result"
+    }
+}
+
+cleanup() {
+    [ -z "$tmp_file" ] || rm -f "$tmp_file"
+}