improve manage.sh & add step to connect-drone: wait for drone before dhcp

README.md

@@ -0,0 +1,18 @@
+# Preparations before Flight
+* turn uadis hotpot on
+* plugin xiaomi repeater "_plus" to powers source
+* connect rpi to power source
+* wait for boot and ams vpn connection
+    * until connected devices @uadis increment +1 with device name "uad"
+
+* manual setup:
+    * ssh into     
+    * cd tello-commander
+    * source venv/bin/activate
+    * ./manage.sh connect-drone
+        * ifconfig: check if wlan1 is up
+    * ./manage.sh start-commander
+    * start drone
+        * until repeater lights blue without blinking
+    * ./manage.sh get-dhcp
+    * ./manage start-talikng

manage.sh

@@ -1,13 +1,26 @@
 #!/bin/bash
 
 
+
+######################
+## SCRIPT INIT
+######################
 DRONE_INTERFACE=$(yq '.commander.drone_interface' < settings/admin.yml)
 DRONE_WPA_SUPP_CONF=$(yq '.commander.drone_wpa_supp' < settings/admin.yml)
 NET_INTERFACE=$(yq '.commander.net_interface' < settings/admin.yml)
 NET_WPA_SUPP_CONF=$(yq '.commander.net_wpa_supp' < settings/admin.yml)
 ENV_FOR_DYNACONF=$(yq '.commander.env_for_dynaconf' < settings/admin.yml)
 
+pids_dir='./pids'
+if [[ ! -d "$pids_dir" ]]; then
+  mkdir $pids_dir
+fi
 
+
+
+######################
+## COMMAND FUNCTIONS
+######################
 list_related_network_interface_status() {
 	networkctl list
 }
@@ -21,6 +34,13 @@ connect_using_wpa_supp() {
 	sudo wpa_supplicant -D nl80211 -i $DRONE_INTERFACE -c network/$DRONE_WPA_SUPP_CONF
 }
 
+wait_for_drone() {
+    while ! ping -c1 192.168.10.1 &>/dev/null; do
+        echo "Drone is offline. Waiting.."; sleep 2
+    done
+    echo "Drone is available, can ask for dhcp"; sleep 1
+}
+
 get_dhcp_ip () {
     sudo dhclient $DRONE_INTERFACE
 }
@@ -47,14 +67,9 @@ kill_everything() {
 
 
 
-pids_dir='./pids'
+######################
-if [[ ! -d "$pids_dir" ]]; then
-  mkdir $pids_dir
-fi
-
-
-
 ## NETWORK
+######################
 if [ "$1" == "list-network" ]; then
     list_related_network_interface_status
 
@@ -66,6 +81,9 @@ elif [ "$1" == "connect-drone" ]; then
     wpa_supp_pid=$!
     echo "started wpa supplicant to connect drone network with PID $wpa_supp_pid"
     echo $wpa_supp_pid > $pids_dir/wpa_supp_pid.txt
+    echo "will wait forever until drone is on and connected to repeater"
+    wait_for_drone
+    echo "ok"
 
 elif [ "$1" == "disconnect-drone" ]; then
     wpa_supp_pid_file="$pids_dir/wpa_supp_pid.txt"
@@ -83,12 +101,13 @@ elif [ "$1" == "get-dhcp" ]; then
 elif [ "$1" == "kill-dhcp" ]; then
     dhcp_ip_pid_file="$pids_dir/dhcp_ip_pid.txt"
     if [ -f "$dhcp_ip_pid_file" ]; then
-        pkill -P $(cat $dhcp_ip_pid_file)
+        sudo pkill -P $(cat $dhcp_ip_pid_file)
         echo "killed dhcp client"
 	fi
 
-
+######################
 ## DEV
+######################
 elif [ "$1" == "start-jupyter" ]; then
     start_jupyter  > logs/jupyter.log 2>&1 &
     jupyter_pid=$!
@@ -120,9 +139,9 @@ elif [ "$1" == "stop-cs" ]; then
 elif [ "$1" == "stop-all" ]; then
   	kill_everything
 
-
+######################
-
 ## DRONE
+######################
 elif [ "$1" == "start-commander" ]; then
     start_commander_service $2 > logs/commander.log 2>&1 &
     commander_pid=$!
@@ -133,11 +152,12 @@ elif [ "$1" == "start-commander" ]; then
 elif [ "$1" == "stop-commander" ]; then
     commander_pid_file="$pids_dir/commander_pid.txt"
     if [ -f "$commander_pid_file" ]; then
-        pkill -P $(cat $commander_pid_file)
         sudo killport 8889
+        pkill -P $(cat $commander_pid_file)
         echo "stopped commander"
 	fi
 
+
 elif [ "$1" == "prepare-flight" ]; then
     ./manage.sh connect-drone
     ./manage.sh get-dhcp
@@ -153,6 +173,9 @@ elif [ "$1" == "finish-flight" ]; then
 elif [ "$1" == "start-talking" ]; then
     talk_to_drone
 
+######################
+## INFO
+######################
 else
     echo "Invalid command. Please use one of:
   - list-network