initial

Controller.lua

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+--controller
+local lxp = require("lxp")
+local lom = require("lxp.lom")
+local inspect = require "inspect"
+local easyhttp = require("easyhttp")
+local urlencode = require("urlencode")
+
+local _ENV=require "std.strict" (_G)
+
+local live_nodes = {}
+
+function node_start(child)
+  local host = child.attr.host
+  local nodetype = child.attr.nodetype
+  local nodename = child.attr.nodename
+  local args = child.attr.args  --may be nil
+  
+  local msg = "https://"..host.."/_django_App_start?nodetype=".."\""..nodetype.."\"".."?nodename=".."\""..nodename.."\""
+
+  if (args ~= nil) then
+     msg = msg .."?args=\""..args.."\""
+  end
+  
+  
+local response, code, headers = easyhttp.request(msg)
+#print(response)
+#print(code)
+#print(headers)
+
+  print( msg)
+    --send & handle resp
+  live_nodes[nodename]=host
+end
+
+
+function node_execute(child)
+  local nodename=child.attr.nodename
+  local host=live_nodes[nodename]
+  
+  print ("https://"..host.."/_django_App_execute?nodename=".."\""..nodename.."\"")
+  local response, code, headers = easyhttp.request(msg)
+end
+
+
+function node_get_logs(child)
+  for a, b in pairs(live_nodes) do
+      print ("https://"..b.."/_django_App_get_logs?nodename=".."\""..a.."\"")
+  end
+  local file = io.open("logfil.txt", "w")  -- "w" means write (overwrite)
+  file:write("Test OK")
+  file:close()
+end
+
+
+function node_check_test(child)
+  local file = io.open("logfil.txt", "r")
+  print(file:read("*a"))
+end
+
+
+function node_close(child)
+  local nodename=child.attr.nodename
+  local host=live_nodes[nodename]
+    print ("https://"..host.."/_django_App_close?nodename=".."\""..nodename.."\"")
+    local response, code, headers = easyhttp.request(msg)
+  
+end
+
+
+
+ function exec_child(child)
+    if (child.tag == "notetool-node-start") then
+      node_start(child)
+    elseif (child.tag == "notetool-node-execute") then
+      node_execute(child)
+    elseif (child.tag == "notetool-get-logs") then
+      node_get_logs(child)
+    elseif (child.tag == "nodetool-check-test") then
+      node_check_test(child)
+    elseif (child.tag == "nodetool-close-node") then
+      node_close(child)
+    end
+end
+
+--start
+local filename
+if (#arg<1) then
+  filename="commands.xml"
+else
+  filename=arg[1]
+end
+
+--load data from filename
+local xml_file = io.open(filename,"r")
+local xml_string = xml_file:read("*a")
+xml_file:close()
+local xml_string = xml_string:gsub("[\r\n]", "")
+
+local xml_tree = lom.parse("<root>"..xml_string.."</root>")
+--print (inspect(xml_tree))
+
+--now we have the xml iń an object. work through it
+for i, child in ipairs(xml_tree) do
+  if type(child) == "table" then
+    --print("Child tag:", child.tag)
+    exec_child(child)
+    --for k, v in pairs(child.attr) do
+      --print(" -", k, v)
+    --end
+  end
+end

commands.xml

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+<notetool-node-start host="10.137.0.13" nodetype="default" nodename="node1" args="host2 node2" />
+<notetool-node-start host="10.137.0.13" nodetype="default" nodename="node2" /> 
+<notetool-node-execute nodename="node1" /> 
+<notetool-get-logs /> 
+<nodetool-check-test /> 
+<nodetool-close-node nodename="node1" /> 
+<nodetool-close-node nodename="node2" />

logfil.txt

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+Test OK