WIP agent: present questionnare in interactive mode

data/data/agent/files/usr/local/bin/get-interactive-config.sh

@@ -0,0 +1,96 @@
+#!/bin/bash
+
+function connectivity_check() {
+	declare target
+
+	target="$1"
+
+	(>&2 echo "Pinging ${target} to check the validity of the current network configuration")
+	if ping -c 4 "$NODE_ZERO_IP"; then
+		(>&2 echo "Successfully pinged ${target}.")
+		return 0
+	else
+		(>&2 echo "Failed to ping ${target}.")
+		return 1
+	fi
+}
+
+function print_addressing_info() {
+	declare with_prefix
+
+	with_prefix="${1:-true}"
+	echo "Currently configured addresses"
+	if $with_prefix; then
+		ip -j a show  | jq -r '. | map({name: .ifname, addresses: [.addr_info[] | .local + "/" + (.prefixlen | tostring)]}) | .[] | select(.addresses | length > 0) | select( .name != "lo") | .name + ": " + (.addresses | join(" "))'
+	else
+		ip -j a show  | jq -r '. | map({name: .ifname, addresses: [.addr_info[] | .local]}) | .[] | select(.addresses | length > 0) | select( .name != "lo") | .name + ": " + (.addresses | join(" "))'
+	fi
+}
+
+NODE_ZERO=false
+while true; do
+	read -e -p "Do you wish for this node to be the one that runs the installation service (Only one node may perform this function)? (Y)es/(N)o: " NODE0_ANSWER
+	if [[ "$NODE0_ANSWER" =~ ^[Yy](es)?$ ]]; then
+		NODE_ZERO=true
+		break
+	elif [[ "$NODE0_ANSWER" =~ ^[Nn](o)?$ ]]; then
+		(>&2 echo "This node will not run the installation service.")
+		break
+	else
+		(>&2 echo "Invalid answer.")
+	fi
+done
+
+if $NODE_ZERO; then
+	print_addressing_info
+	while true; do
+		read -e -p "Do you wish to enter NetworkManager terminal user interface to change the network configuration? (Y)es/(N)o: " ANSWER
+		if [[ "$ANSWER" =~ ^[Yy](es)?$ ]]; then
+			nmtui
+			print_addressing_info
+		elif [[ "$ANSWER" =~ ^[Nn](o)?$ ]]; then
+			echo "Other nodes should give one of the following addresses as the rendezvous IP"
+			print_addressing_info false
+			break
+		else
+			(>&2 echo "Answer not in (Y)es/(N)o")
+		fi
+	done
+	exit 0
+else
+	CONFIRMED=false
+	until $CONFIRMED; do
+		read -e -p "Please, enter the rendezvous IP address: " NODE_ZERO_IP
+		read -e -p "Please, enter the rendezvous IP address again to confirm: " CONFIRMATION
+		if [[ "$NODE_ZERO_IP" == "$CONFIRMATION" ]]; then
+			CONFIRMED=true
+		else
+			(>&2 echo "Confirmation failed")
+		fi
+	done
+fi
+
+SHOULD_CONFIGURE=true
+while $SHOULD_CONFIGURE; do
+	while true; do
+		if connectivity_check "$NODE_ZERO_IP"; then
+			SHOULD_CONFIGURE=false
+		fi
+		read -e -p "Do you wish to enter NetworkManager terminal user interface to change the network configuration? (Y)es/(N)o: " ANSWER
+		if [[ "$ANSWER" =~ ^[Yy](es)?$ ]]; then
+			SHOULD_CONFIGURE=true  # Setting to true in case the connectivity_check had passed but we chose to configure anyway
+			nmtui
+			if connectivity_check "$NODE_ZERO_IP"; then
+				SHOULD_CONFIGURE=false
+			fi
+			break
+		elif [[ "$ANSWER" =~ ^[Nn](o)?$ ]]; then
+			if ! $SHOULD_CONFIGURE; then
+				break
+			fi
+			(>&2 echo "No valid network configuration found")
+		else
+			(>&2 echo "Answer not in (Y)es/(N)o")
+		fi
+	done
+done

data/data/agent/systemd/units/get-interactive-config.service

@@ -0,0 +1,19 @@
+[Unit]
+Description=Get interactive user configuration at boot
+After=network-pre.target NetworkManager.service
+Before=network.target network.service
+
+[Service]
+Type=oneshot
+TTYPath=/dev/tty15
+ExecStartPre=/usr/bin/chvt 15
+ExecStart=/usr/local/bin/get-interactive-config.sh
+ExecStartPost=/usr/bin/chvt 1
+TimeoutStartSec=0
+StandardInput=tty
+TTYVHangup=yes
+TTYVTDisallocate=yes
+
+[Install]
+WantedBy=default.target
+RequiredBy=sshd.service systemd-logind.service [email protected]

pkg/asset/agent/image/ignition.go

@@ -208,6 +208,7 @@ func (a *Ignition) Generate(dependencies asset.Parents) error {
 		"assisted-service-pod.service",
 		"assisted-service.service",
 		"create-cluster-and-infraenv.service",
+		"get-interactive-config.service",
 		"node-zero.service",
 		"multipathd.service",
 		"selinux.service",

pkg/asset/agent/image/ignition_test.go

@@ -308,6 +308,7 @@ func defaultGeneratedFiles() []string {
 		"/usr/local/bin/agent-gather",
 		"/usr/local/bin/extract-agent.sh",
 		"/usr/local/bin/get-container-images.sh",
+		"/usr/local/bin/get-interactive-config.sh",
 		"/usr/local/bin/set-hostname.sh",
 		"/usr/local/bin/start-agent.sh",
 		"/usr/local/bin/start-cluster-installation.sh",