more config options: configurable font size, ssl verification

node.json

@@ -4,6 +4,9 @@
         "network": "Needs to connect to icinga2 api"
     },
     "options": [{
+        "title": "Display Options",
+        "type": "section"
+    }, {
         "title": "Background color",
         "ui_width": 4,
         "name": "background_color",
@@ -15,18 +18,68 @@
         "name": "font",
         "type": "font",
         "default": "silkscreen.ttf"
+    }, {
+        "title": "Screen Rotation",
+        "ui_width": 4,
+        "name": "rotate",
+        "type": "select",
+        "default": 0,
+        "hint": "Rotation of screen (clockwise)",
+        "options": [
+            [0, "0°"],
+            [90, "90°"],
+            [180, "180°"],
+            [270, "270°"]
+        ]
+    }, {
+        "title": "Font Size (Headings)",
+        "ui_width": 4,
+        "name": "header_size",
+        "type": "select",
+        "default": 50,
+        "hint": "Font size of Host and Service name. Will be reduced to half screen width, if needed.",
+        "options": [
+            [20, "20px"],
+            [30, "30px"],
+            [40, "40px"],
+            [50, "50px"],
+            [60, "60px"]
+        ]
+    }, {
+        "title": "Font Size (Output)",
+        "ui_width": 4,
+        "name": "output_size",
+        "type": "select",
+        "default": 30,
+        "hint": "Font size of Check Output.",
+        "options": [
+            [10, "10px"],
+            [20, "20px"],
+            [30, "30px"],
+            [40, "40px"]
+        ]
+    }, {
+        "title": "Connection to icinga2",
+        "type": "section"
     }, {
         "title": "icinga2 API user",
-        "ui_width": 6,
+        "ui_width": 5,
         "name": "api_user",
         "type": "string",
         "default": "readonly"
     }, {
         "title": "icinga2 API password",
-        "ui_width": 6,
+        "ui_width": 5,
         "name": "api_password",
         "type": "string",
         "default": "really_secure"
+    }, {
+        "title": "Verify Certs",
+        "ui_width": 2,
+        "name": "ssl_verify",
+        "type": "boolean",
+        "default": true,
+        "hint": "Verify SSL certificates when doing requests to icinga2?"
     }, {
         "title": "icinga2 API URL for hosts",
         "ui_width": 12,
@@ -41,18 +94,5 @@
         "type": "string",
         "default": "https://icinga2/api/v1/objects/services?filter=service.state!=ServiceOK",
         "hint": "Full URL to the API endpoint which returns a list of monitored services. Keeping the filter is strongly recommended!"
-    }, {
-        "title": "Screen Rotation",
-        "ui_width": 4,
-        "name": "rotate",
-        "type": "select",
-        "default": 0,
-        "hint": "Rotation of screen (clockwise)",
-        "options": [
-            [0, "0°"],
-            [90, "90°"],
-            [180, "180°"],
-            [270, "270°"]
-        ]
     }]
 }

node.lua

@@ -2,8 +2,6 @@ util.init_hosted()
 
 local json = require "json"
 local services = {}
-local host_width = 0
-local time_width = 0
 local rotate_before = nil
 local transform = nil
 
@@ -28,13 +26,6 @@ gl.setup(NATIVE_WIDTH, NATIVE_HEIGHT)
 
 util.file_watch("services.json", function(content)
     services = json.decode(content)
-    host_width = 0
-
-    for idx, service in ipairs(services.services) do
-        host_width = math.max(host_width, CONFIG.font:width(service.host, 50))
-    end
-
-    time_width = CONFIG.font:width(services.prettytime, 30)
 end)
 
 local white = resource.create_colored_texture(1,1,1,1)
@@ -54,20 +45,31 @@ function node.render()
         end
     end
 
+    local time_width = CONFIG.font:width(services.prettytime, CONFIG.output_size)
+    local host_width = 0
+
     transform()
     CONFIG.background_color.clear()
-    CONFIG.font:write(real_width/2-time_width/2, 10, services.prettytime, 30, 1,1,1,1)
+    CONFIG.font:write(real_width/2-time_width/2, CONFIG.output_size*0.5, services.prettytime, CONFIG.output_size, 1,1,1,1)
 
-    local y = 50
+    for idx, service in ipairs(services.services) do
+        host_width = math.max(host_width, CONFIG.font:width(service.host, CONFIG.header_size))
+    end
+
+    local y = CONFIG.output_size*2
     for idx, serv in ipairs(services.services) do
-        my_height = (#serv.output*40)+90
+        my_height = (#serv.output*CONFIG.output_size*1.5)+40+CONFIG.header_size
-        my_font_size = 50
+        host_size = CONFIG.header_size
+        svc_size = CONFIG.header_size
 
-        while CONFIG.font:width(serv.host, my_font_size) > real_width/2 do
+        while CONFIG.font:width(serv.host, host_size) > real_width/2-20 do
-            my_font_size = my_font_size - 2
+            host_size = host_size - 2
+        end
+        while CONFIG.font:width(serv.service, svc_size) > real_width/2-50 do
+            svc_size = svc_size - 2
         end
 
-        indent = math.min(host_width, real_width/2)
+        indent = math.min(host_width, real_width/2)+40
 
         if serv.type == 0 then
             c_soft[serv.state]:draw(0, y, NATIVE_WIDTH, y+my_height)
@@ -77,17 +79,17 @@ function node.render()
 
         y = y+20
 
-        CONFIG.font:write(10, y, serv.host, my_font_size, c_text[serv.state][1],c_text[serv.state][2],c_text[serv.state][2],1)
+        CONFIG.font:write(10, y, serv.host, host_size, c_text[serv.state][1],c_text[serv.state][2],c_text[serv.state][2],1)
-        CONFIG.font:write(indent+40, y, serv.service, 50, c_text[serv.state][1],c_text[serv.state][2],c_text[serv.state][3],1)
+        CONFIG.font:write(indent, y, serv.service, svc_size, c_text[serv.state][1],c_text[serv.state][2],c_text[serv.state][3],1)
 
-        y = y+60
+        y = y+CONFIG.header_size+10
 
         --debug output
         --CONFIG.font:write(10, y, serv.sort, 10, c_text[serv.state][1],c_text[serv.state][2],c_text[serv.state][2],1)
 
         for idx, line in ipairs(serv.output) do
-            CONFIG.font:write(indent+40, y, line, 30, c_text[serv.state][1],c_text[serv.state][2],c_text[serv.state][3],1)
+            CONFIG.font:write(indent, y, line, CONFIG.output_size, c_text[serv.state][1],c_text[serv.state][2],c_text[serv.state][3],1)
-            y = y+40
+            y = y+CONFIG.output_size*1.5
         end
 
         y = y+12

service

@@ -38,8 +38,8 @@ def regenerate():
     try:
         broken_hosts = set()
 
-        hosts = requests.get(CONFIG["url_hosts"], auth=(CONFIG["api_user"], CONFIG["api_password"]), verify=False).json()
+        hosts = requests.get(CONFIG["url_hosts"], auth=(CONFIG["api_user"], CONFIG["api_password"]), verify=CONFIG["ssl_verify"]).json()
-        serv = requests.get(CONFIG["url_services"], auth=(CONFIG["api_user"], CONFIG["api_password"]), verify=False).json()
+        serv = requests.get(CONFIG["url_services"], auth=(CONFIG["api_user"], CONFIG["api_password"]), verify=CONFIG["ssl_verify"]).json()
 
         if 'results' not in hosts:
             raise KeyError('API call for hosts did not return any results')