init

playbooks/files/scripts/initial_changes.sh

@@ -0,0 +1,31 @@
+MODE="worker"
+mac=`ifconfig eth0 |grep ether|awk '{ print $2 }'`
+echo $mac
+syst=9
+case $mac in
+"00:1E:06:48:CE:E7")
+syst=1
+MODE="master"
+;;
+"00:1e:06:48:cd:86")
+syst=2
+;;
+"00:1e:06:48:d0:01")
+syst=3
+;;
+"00:1e:06:48:d0:00")
+syst=4
+;;
+"00:1e:06:48:cd:8e")
+syst=5
+;;
+esac
+echo "lala" > /tmp/check.log
+hostnamectl hostname odroidc4-${syst}
+sed -i 's/^TERM=/#TERM=/g' /etc/update-motd.d/10-armbian-header
+sed -i '32 i TERM=linux toilet -f standard -F metal $(hostname)' /etc/update-motd.d/10-armbian-header
+TERM=linux toilet -f standard -F metal $(hostname)
+nmcli con mod "Wired connection 1" ipv4.addresses "192.168.77.16${syst}/24" ipv4.gateway "192.168.77.1" ipv4.dns "192.168.77.1" ipv4.method "manual"
+iptables -F 
+update-alternatives --set iptables /usr/sbin/iptables-legacy 
+update-alternatives --set ip6tables /usr/sbin/ip6tables-legacy

playbooks/files/scripts/lcd_control.py

@@ -0,0 +1,54 @@
+# Import LCD library
+from RPLCD import i2c
+import psutil
+import datetime
+import os
+from uptime import uptime
+# Import sleep library
+from time import sleep
+
+# constants to initialise the LCD
+lcdmode = 'i2c'
+cols = 20
+rows = 4
+charmap = 'A00'
+i2c_expander = 'PCF8574'
+
+# Generally 27 is the address;Find yours using: i2cdetect -y 1 
+address = 0x27 
+port = 0 # 0 on an older Raspberry Pi
+
+# Initialise the LCD
+lcd = i2c.CharLCD(i2c_expander, address, port=port, charmap=charmap,
+                  cols=cols, rows=rows)
+
+
+while True:
+    myCmd = ""
+    # Write a string on first line and move to next line
+    mem_data = psutil.virtual_memory()
+    net_sum = psutil.net_if_addrs()["eth0"]
+    eth0_ip = (net_sum[0][1])
+    cpu_load = round(psutil.getloadavg()[0],2)
+    uptime_s = int(uptime())
+    uptime_f = str(datetime.timedelta(seconds=uptime_s))
+    line1 = f'{"Mem: " + str(mem_data.percent): <20}'
+    line2 = f'{"IP : " + str(eth0_ip): <20}'
+    line4 = f'{"CPU: " + str(cpu_load): <20}'
+    print(cpu_load)
+    lcd.backlight_enabled =  True
+    lcd.cursor_pos = (0, 0)
+    lcd.write_string(line1)
+    lcd.crlf()
+    lcd.write_string(line2)
+    lcd.crlf()
+    lcd.write_string('Up : ' + str(uptime_f))
+    lcd.crlf()
+    lcd.write_string(line4)
+    sleep(5)
+    #lcd.clear()
+    # Switch off backlight
+    #lcd.backlight_enabled =  False
+    #sleep(3)
+    # Clear the LCD screen
+    #lcd.close(clear=True)

playbooks/files/scripts/lcd_control_restart.py

@@ -0,0 +1,43 @@
+# Import LCD library
+from RPLCD import i2c
+
+import subprocess
+import sys
+import os
+pid = os.getpid()
+
+
+cmnd = "ps -ef|grep lcd_control|grep -v grep |grep -v {}|wc -l".format(pid)
+status, output = subprocess.getstatusoutput(cmnd)
+
+print(output)
+if int(output) > 0:
+    print("Running already!")
+    #sys.exit()
+# constants to initialise the LCD
+lcdmode = 'i2c'
+cols = 20
+rows = 4
+charmap = 'A00'
+i2c_expander = 'PCF8574'
+
+# Generally 27 is the address;Find yours using: i2cdetect -y 1 
+address = 0x27 
+port = 0 # 0 on an older Raspberry Pi
+
+# Initialise the LCD
+lcd = i2c.CharLCD(i2c_expander, address, port=port, charmap=charmap,
+                  cols=cols, rows=rows)
+line1 = f'{"####": <20}'
+line2 = f'{"Restarting.....": <20}'
+line3 = f'{"####": <20}'
+line4 = f'{"####": <20}'
+lcd.backlight_enabled =  True
+lcd.cursor_pos = (0, 0)
+lcd.write_string(line1)
+lcd.crlf()
+lcd.write_string(line2)
+lcd.crlf()
+lcd.write_string(line3)
+lcd.crlf()
+lcd.write_string(line4)

playbooks/files/scripts/lcd_control_start.py

@@ -0,0 +1,35 @@
+# Import LCD library
+from RPLCD import i2c
+
+
+# constants to initialise the LCD
+lcdmode = 'i2c'
+cols = 20
+rows = 4
+charmap = 'A00'
+i2c_expander = 'PCF8574'
+
+# Generally 27 is the address;Find yours using: i2cdetect -y 1 
+address = 0x27 
+port = 0 # 0 on an older Raspberry Pi
+
+# Initialise the LCD
+lcd = i2c.CharLCD(i2c_expander, address, port=port, charmap=charmap,
+                  cols=cols, rows=rows)
+lcd.clear()
+line1 = f'{"####": <20}'
+line2 = f'{"Starting....": <20}'
+line3 = f'{"####": <20}'
+line4 = f'{"####": <20}'
+lcd.backlight_enabled =  True
+lcd.cursor_pos = (0, 0)
+lcd.write_string(line1)
+lcd.crlf()
+lcd.write_string(line2)
+lcd.crlf()
+lcd.write_string(line3)
+lcd.crlf()
+lcd.write_string(line4)
+lcd.crlf()
+lcd.clear()
+lcd.close(clear=True)