init

.config/i3blocks/nm-vpn/LICENCE

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+Copyright 2018 Stephen Gregoratto <dev@sgregoratto.me>
+
+Permission is hereby granted, free of charge, to any
+person obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the
+Software without restriction, including without
+limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software
+is furnished to do so, subject to the following
+conditions:
+ 
+The above copyright notice and this permission notice
+shall be included in all copies or substantial portions
+of the Software.
+ 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
+ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.

.config/i3blocks/nm-vpn/README.md

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+# nm-vpn
+
+Parses output from `nmcli` to show the current connected VPN name/status
+
+![](images/full.png)
+
+![](images/short.png)
+
+# Requirements
+
+  - NetworkManager/`nmcli`
+  - `sh`
+  - `awk`
+    - tested on nawk, gawk, mawk, [goawk](https://github.com/benhoyt/goawk), Plan 9 awk and busybox awk.
+
+# Usage
+
+`nm-vpn` gets active connection info from `nmcli`, looks for interface type `tun`, `tap`, `vpn`. A VPN connection is treated as established only when `tun`|`tap` is present, when it's not and a `vpn` connection is listed as active it is treated as initializing.
+
+# Tunables
+
+`init_color` - color used for marking a connection in initializing state, default is '#FFFF00'
+
+`on_color` - color used for marking a connection in established state, default is '#00FF00'
+
+## Output
+
+When `tun`|`tap` is active, `nm-vpn` will print in the following form:
+  - Full: `VPN Name`
+  - Short: `ON`
+  - Color will be set to `on_color` value
+
+When `tun`|`tap` in not active, `nm-vpn` will print in the following form:
+  - Full: `VPN Name`
+  - Short: `INIT`
+  - Color will be set to `init_color` value
+
+# Config
+
+``` ini
+[nm-vpn]
+#init_color=#FFFF00
+#on_color=#00FF00
+label=VPN: 
+interval=5
+```

.config/i3blocks/nm-vpn/i3blocks.conf

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+[nm-vpn]
+#init_color=#FFFF00
+#on_color=#00FF00
+label=VPN: 
+interval=5
+
+# vim: syntax=dosini

.config/i3blocks/nm-vpn/nm-vpn

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+#!/usr/bin/env sh
+init_color=${init_color:-#FFFF00}
+on_color=${on_color:-#00FF00}
+export init_color on_color
+nmcli -t connection show --active | awk -F ':' '
+BEGIN {
+    init_color=ENVIRON["init_color"]
+    on_color=ENVIRON["on_color"]
+}
+$3=="vpn" {
+    name=$1
+    status="INIT"
+    color=init_color
+}
+$3=="tun" || ($4~/^tap/ || $3~/^tap/) {
+    if(!name) name=$1
+    status="ON"
+    color=on_color
+}
+END {if(status) printf("%s\n%s\n%s\n", name, status, color)}'