autoprovision: Install dch-autoprovision RPM

The `notify-online` script and corresponding systemd unit are now
available in an RPM.  This allowes them to be installed in different
scenarios, such as image builds, that do not use Anaconda/kickstart.

autoprovision.ks.j2

@@ -0,0 +1,7 @@
+%packages
+dch-autoprovision
+%end
+
+%post
+systemctl enable --no-reload notify-online.service
+%end

fedora-rpi.ks.j2

@@ -2,4 +2,4 @@
 ignoredisk --only-use /dev/mmcblk0
 {% include "fedora-disk-dch.ks" %}
 {% include "fedora-rpi-common.ks.j2" %}
-{% include "autoprovision.ks" %}
+{% include "autoprovision.ks.j2" %}

fedora.ks.j2

@@ -16,4 +16,4 @@ qemu-guest-agent
 -fwupd
 %end
 
-{% include "autoprovision.ks" %}
+{% include "autoprovision.ks.j2" %}

notify-online.service

@@ -1,26 +1,3 @@
-%post
-cat > /root/.ssh/authorized_keys <<EOF
-expiry-time="$(date -d +1hour +%Y%m%d%H%M)",restrict,pty ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAICoOO/ZYMxRgmyvqZwGN3NM5pHyh3NBdC7iZrXIopt93 Host Provisioner
-EOF
-
-cat > /usr/local/libexec/notify-online.sh <<'EOF'
-#!/bin/sh
-
-set -- \
-    -F "hostname=$(hostname -f)" \
-    -F 'sshkeys=<-;type=text/plain'
-
-fw_cfg=/sys/firmware/qemu_fw_cfg/by_name/opt/dch/cfg-branch/raw
-if [ -r "${fw_cfg}" ]; then
-    set -- "$@" -F branch="$(cat "${fw_cfg}")"
-fi
-
-cat /etc/ssh/ssh_host_*_key.pub \
-| curl -fsS https://webhooks.pyrocufflink.blue/host/online "$@"
-EOF
-chmod +x /usr/local/libexec/notify-online.sh
-
-cat > /etc/systemd/system/notify-online.service <<'EOF'
 [Unit]
 Description=Notify infrastructure services that this host is online
 ConditionFirstBoot=yes
@@ -63,7 +40,3 @@ SystemCallFilter=~@privileged @resources
 
 [Install]
 WantedBy=multi-user.target
-EOF
-
-systemctl enable --no-reload notify-online.service
-%end

notify-online.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+
+set -- \
+    -F "hostname=$(hostname -f)" \
+    -F 'sshkeys=<-;type=text/plain'
+
+fw_cfg=/sys/firmware/qemu_fw_cfg/by_name/opt/dch/cfg-branch/raw
+if [ -r "${fw_cfg}" ]; then
+    set -- "$@" -F branch="$(cat "${fw_cfg}")"
+fi
+
+cat /etc/ssh/ssh_host_*_key.pub \
+    | curl -fsS https://webhooks.pyrocufflink.blue/host/online "$@"