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add basic readme

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This commit is contained in:
Andrei Kvapil
2023-12-26 12:21:34 +01:00
parent 53fc12f656
commit f25924a2c8
2 changed files with 83 additions and 204 deletions
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83
README.md Normal file
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# Cozystack
## Quick Start
### Netboot server
```
mkdir -p matchbox/assets matchbox/groups matchbox/profiles
wget -O matchbox/assets/initramfs.xz \
https://github.com/siderolabs/talos/releases/download/v1.6.0/initramfs-amd64.xz
wget -O matchbox/assets/vmlinuz \
https://github.com/siderolabs/talos/releases/download/v1.6.0/vmlinuz-amd64
cat > matchbox/groups/default.json <<EOT
{
"id": "default",
"name": "default",
"profile": "default"
}
EOT
cat > matchbox/profiles/default.json <<EOT
{
"id": "default",
"name": "default",
"boot": {
"kernel": "/assets/vmlinuz",
"initrd": ["/assets/initramfs.xz"],
"args": [
"initrd=initramfs.xz",
"init_on_alloc=1",
"slab_nomerge",
"pti=on",
"console=tty0",
"console=ttyS0",
"printk.devkmsg=on",
"talos.platform=metal"
]
}
}
EOT
```
```
sudo docker run --name=matchbox -d --net=host -v ${PWD}/matchbox:/var/lib/matchbox:Z quay.io/poseidon/matchbox:v0.10.0 \
-address=:8080 \
-log-level=debug
```
Start DHCP-Server:
```
sudo docker run --name=dnsmasq -d --cap-add=NET_ADMIN --net=host quay.io/poseidon/dnsmasq \
-d -q -p0 \
--dhcp-range=192.168.100.3,192.168.100.254 \
--dhcp-option=option:router,192.168.100.1 \
--enable-tftp \
--tftp-root=/var/lib/tftpboot \
--dhcp-match=set:bios,option:client-arch,0 \
--dhcp-boot=tag:bios,undionly.kpxe \
--dhcp-match=set:efi32,option:client-arch,6 \
--dhcp-boot=tag:efi32,ipxe.efi \
--dhcp-match=set:efibc,option:client-arch,7 \
--dhcp-boot=tag:efibc,ipxe.efi \
--dhcp-match=set:efi64,option:client-arch,9 \
--dhcp-boot=tag:efi64,ipxe.efi \
--dhcp-userclass=set:ipxe,iPXE \
--dhcp-boot=tag:ipxe,http://192.168.100.250:8080/boot.ipxe \
--address=/matchbox.example.com/192.168.1.2 \
--log-queries \
--log-dhcp
```
```
docker ps
# CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
# e5e1323c014a quay.io/poseidon/dnsmasq "/usr/sbin/dnsmasq -…" 2 seconds ago Up 1 second dnsmasq
# d256b46ab9e9 quay.io/poseidon/matchbox:v0.10.0 "/matchbox -address=…" 43 seconds ago Up 42 seconds matchbox
```

204
setup.sh
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#!/bin/sh
#
# Copyright 2023 Andrei Kvapil. All rights reserved.
# SPDX-License-Identifier: Apache2.0
#
# This code should (try to) follow Google's Shell Style Guide
# - https://google.github.io/styleguide/shell.xml
#
# Screen: Enter networks to scan
default_scan_networks=$(ip -o route | awk '$3 !~ /^(docker|cni)/ && $2 == "dev" {print $1}' | awk '$1=$1' RS=" " OFS=" ")
scan_networks=$(dialog --inputbox "Enter networks to scan:" 8 80 "$default_scan_networks" 3>&1 1>&2 2>&3) || exit 0
scan_networks=$(echo "$scan_networks" | awk -F, '{$1=$1}1' OFS=' ')
node_list_file=$(mktemp)
# Screen: Seatching Talos nodes
{
printf "%s\nXXX\n%s\n%s\nXXX\n" "10" "Searching Talos nodes in $scan_networks..."
candidate_nodes=$(nmap -Pn -n -p 50000 $scan_networks -vv | awk '/Discovered open port/ {print $NF}')
#echo found:
#printf " - %s\n" $candidate_nodes
printf "%s\nXXX\n%s\n%s\nXXX\n" "40" "Filtering nodes in maintenance mode..."
nodes=
for node in $candidate_nodes; do
if talosctl -n "$node" get info -i >/dev/null 2>/dev/null; then
nodes="$nodes $node"
fi
done
#echo filtered:
#printf " - %s\n" $NODES
printf "%s\nXXX\n%s\n%s\nXXX\n" "60" "Collecting information about the nodes..."
node_list=$(
seen=
for node in $NODES; do
mac=$(talosctl -n "$node" get hardwareaddresses.net.talos.dev first -i -o jsonpath={.spec.hardwareAddr})
case " $seen " in *" $mac "*) continue ;; esac # remove duplicated nodes
seen="$seen $mac"
name="$node"
hostname=$(talosctl -n "$node" get hostname -i -o jsonpath='{.spec.hostname}')
if [ -n "$hostname" ]; then
name="$name ($hostname)"
fi
manufacturer=$(talosctl -n "$node" get cpu -i -o jsonpath={.spec.manufacturer} | head -n1)
cpu=$(talosctl -n "$node" get cpu -i -o jsonpath={.spec.threadCount} -i | awk '{sum+=$1;} END{print sum "-core";}')
ram=$(talosctl -n "$node" get ram -o jsonpath={.spec.sizeMiB} -i | awk '{sum+=$1;} END{print sum/1024 "GB";}')
disks=$(talosctl -n "$node" disks -i | awk -F' +' 'NR>1 {print $1 ":" $9}' | awk -F/ '$2 == "dev" {print $3}' | awk 'gsub(" ", "", $0)' | awk '$1=$1' RS="," OFS=",")
echo "\"$name\"" "\"$mac, $cpu ${manufacturer:-CPU}, RAM: $ram, Disks: [$disks]\""
done
)
echo "$node_list" > "$node_list_file"
} | dialog --gauge "Please wait" 10 70 0 3>&1 1>&2 2>&3 || exit 0
node_list=$(cat "$node_list_file")
if [ -z "$node_list" ]; then
dialog --msgbox "No Talos nodes in maintenance mode found!
Searched networks: $scan_networks" 10 60
exit 1
fi
# Screen: Node list
node=$(echo "$node_list" | dialog --menu "Choose node to bootstrap" 0 0 0 --file /dev/stdin 3>&1 1>&2 2>&3) || exit 0
# cut hostname
node=$(echo "$node" | awk '{print $1}')
# Screen: Choose hostname
default_hostname=$(talosctl -n "$node" get hostname -i -o jsonpath='{.spec.hostname}')
hostname=$(dialog --inputbox "Enter hostname:" 8 40 "$default_hostname" 3>&1 1>&2 2>&3) || exit 0
# Screen: Choose disk to install
disks_list=$(talosctl -n "$node" disks -i | awk 'NR>1 {printf "\"" $1 "\""; $1=""; print " \"" $0 "\""}')
disk=$(echo "$disks_list" | dialog --menu "Choose disk to install" 0 0 0 --file /dev/stdin 3>&1 1>&2 2>&3) || exit 0
# Screen: Choose interface
link_list=$(talosctl -n "$node" get link -i | awk -F' +' 'NR>1 && $4 ~ /^(ID|eno|eth|enp|enx)/ {print $4 "|" $(NF-2)}')
address_list=$(talosctl -n "$node" get addresses -i | awk 'NR>1 {print $NF " " $(NF-1)}') || exit 0
interface_list=$(
for link_mac in $link_list; do
link="${link_mac%%|*}"
mac="${link_mac#*|}"
ips=$(echo "$address_list" | awk "\$1 == \"$link\" {print \$2}" | awk '$1=$1' RS=, OFS=,)
details="$mac"
if [ -n "$ips" ]; then
details="$mac ($ips)"
fi
echo "\"$link\" \"$details\""
done
)
default_mac=$(talosctl -n "$node" get hardwareaddresses.net.talos.dev first -i -o jsonpath={.spec.hardwareAddr})
default_interface=$(echo "$link_list" | awk -F'|' "\$2 == \"$default_mac\" {print \$1}")
interface=$(echo "$interface_list" | dialog --default-item "$default_interface" --menu "Choose interface:" 0 0 0 --file /dev/stdin 3>&1 1>&2 2>&3) || exit 0
# Screen: Configure networks
default_addresses=$(talosctl -n "$node" get nodeaddress default -i -o jsonpath={.spec.addresses[*]} | awk '$1=$1' RS=, OFS=,)
addresses=$(dialog --inputbox "Enter addresses:" 8 40 "$default_addresses" 3>&1 1>&2 2>&3) || exit 0
addresses=$(echo "$addresses" | awk '{$1=$1}1' OFS=",")
address=$(echo "$addresses" | awk -F/ '{print $1}')
# Screen: Configure default gateway
default_gateway=$(talosctl -n "$node" get routes -i -o jsonpath={.spec.gateway} | grep -v '^$' -m1)
gateway=$(dialog --inputbox "Enter gateway:" 8 40 "$default_gateway" 3>&1 1>&2 2>&3) || exit 0
# Screen: Configure DNS servers
default_dns_servers=$(talosctl -n "$node" get resolvers resolvers -i -o jsonpath='{.spec.dnsServers[*]}' | awk '$1=$1' RS=" " OFS=" ")
dns_servers=$(dialog --inputbox "Enter DNS servers:" 8 80 "$default_dns_servers" 3>&1 1>&2 2>&3) || exit 0
dns_servers=$(echo "$dns_servers" | awk '{$1=$1}1' OFS=",")
# Screen: Confirm configuration
machine_config=$(cat <<EOT
machine:
type: controlplane
install:
disk: $disk
network:
hostname: $hostname
nameservers: [$dns_servers]
interfaces:
- interface: $interface
addresses: [$addresses]
routes:
- network: 0.0.0.0/0
gateway: $gateway
EOT
)
file=$(mktemp)
trap "rm -f \"$file\"" EXIT
echo "Please confirm your configuration:
$machine_config" > "$file"
dialog --ok-label "Install" --extra-button --extra-label "Cancel" --textbox "$file" 0 0 || exit 0
rm -f "$file"
trap '' EXIT
# Screen: Installation process
{
printf "%s\nXXX\n%s\n%s\nXXX\n" "0" "Generating configuration..."
if [ ! -f secrets.yaml ]; then
talosctl gen secrets >/dev/null 2>&1
fi
talosctl gen config foo --with-secrets=secrets.yaml https://192.168.100.111:6443 --config-patch="$machine_config" --force >/dev/null 2>&1
printf "%s\nXXX\n%s\n%s\nXXX\n" "1" "Applying configuration..."
talosctl --talosconfig=talosconfig apply -e "$node" -n "$node" -f controlplane.yaml -i >/dev/null 2>&1
printf "%s\nXXX\n%s\n%s\nXXX\n" "10" "Installing..."
old_is_up=1
old_is_pingable=1
new_is_pingable=0
new_is_up=0
until [ "$new_is_up" = 1 ] ; do
sleep 0.1
if [ "$new_is_pingable" = 0 ]; then
if [ "$old_is_up" = 1 ]; then
timeout 1 talosctl --talosconfig=talosconfig -e "$node" -n "$node" get info -i >/dev/null 2>&1
if [ $? = 124 ]; then
old_is_up=0
fi
else
if ! ping -W1 -c1 "$node" >/dev/null 2>&1; then
old_is_pingable=0
fi
fi
fi
if [ "$old_is_pingable" = 0 ]; then
if ping -W1 -c1 "$address" >/dev/null 2>&1; then
new_is_pingable=1
fi
fi
if timeout 1 talosctl --talosconfig=talosconfig -e "$address" -n "$address" get info >/dev/null 2>&1; then
new_is_up=1
fi
case $old_is_up$old_is_pingable$new_is_pingable in
110) printf "%s\nXXX\n%s\n%s\nXXX\n" "20" "Installing... (port is open at $node)" ;;
010) printf "%s\nXXX\n%s\n%s\nXXX\n" "50" "Rebooting... (node is pingable at $node)" ;;
000) printf "%s\nXXX\n%s\n%s\nXXX\n" "70" "Rebooting... (node is not pingable)" ;;
001) printf "%s\nXXX\n%s\n%s\nXXX\n" "80" "Rebooting... (node is pingable again at $address)" ;;
esac
done
} | dialog --gauge "Please wait" 10 70 0 3>&1 1>&2 2>&3
# Screen: Complete installation
dialog --msgbox "Installation finished!
You will now be directed to the dashboard" 0 0
# Screen: Talos dashboard
talosctl --talosconfig=talosconfig -e "$address" -n "$address" dashboard
clear