9 エッジネットワーキング #

podman pull registry.suse.com/edge/3.6/edge-image-builder:1.3.3.1

export CONFIG_DIR=$HOME/eib
mkdir -p $CONFIG_DIR/base-images

mv /path/to/downloads/SL-Micro.x86_64-6.2-Base-GM.raw $CONFIG_DIR/base-images/

└── base-images/
    └── SL-Micro.x86_64-6.2-Base-GM.raw

cat << EOF > $CONFIG_DIR/definition.yaml
apiVersion: 1.3
image:
  arch: x86_64
  imageType: raw
  baseImage: SL-Micro.x86_64-6.2-Base-GM.raw
  outputImageName: modified-image.raw
operatingSystem:
  users:
    - username: root
      encryptedPassword: $6$jHugJNNd3HElGsUZ$eodjVe4te5ps44SVcWshdfWizrP.xAyd71CVEXazBJ/.v799/WRCBXxfYmunlBO2yp1hm/zb4r8EmnrrNCF.P/
EOF

├── definition.yaml
└── base-images/
    └── SL-Micro.x86_64-6.2-Base-GM.raw

mkdir -p $CONFIG_DIR/network

cat << EOF > $CONFIG_DIR/network/node1.suse.com.yaml
routes:
  config:
    - destination: 0.0.0.0/0
      metric: 100
      next-hop-address: 192.168.122.1
      next-hop-interface: eth0
      table-id: 254
    - destination: 192.168.122.0/24
      metric: 100
      next-hop-address: 192.168.122.1
      next-hop-interface: eth0
      table-id: 254
dns-resolver:
  config:
    server:
      - 192.168.122.1
      - 8.8.8.8
interfaces:
  - name: eth0
    type: ethernet
    state: up
    mac-address: 34:8A:B1:4B:16:E1
    ipv4:
      address:
        - ip: 192.168.122.50
          prefix-length: 24
      dhcp: false
      enabled: true
    ipv6:
      enabled: false
  - name: eth3
    type: ethernet
    state: down
    mac-address: 34:8A:B1:4B:16:E2
    ipv4:
      address:
        - ip: 192.168.122.55
          prefix-length: 24
      dhcp: false
      enabled: true
    ipv6:
      enabled: false
EOF

cat << EOF > $CONFIG_DIR/network/node2.suse.com.yaml
routes:
  config:
    - destination: 0.0.0.0/0
      metric: 100
      next-hop-address: 192.168.122.1
      next-hop-interface: bond99
      table-id: 254
    - destination: 192.168.122.0/24
      metric: 100
      next-hop-address: 192.168.122.1
      next-hop-interface: bond99
      table-id: 254
dns-resolver:
  config:
    server:
      - 192.168.122.1
      - 8.8.8.8
interfaces:
  - name: bond99
    type: bond
    state: up
    ipv4:
      address:
        - ip: 192.168.122.60
          prefix-length: 24
      enabled: true
    link-aggregation:
      mode: balance-rr
      options:
        miimon: '140'
      port:
        - eth0
        - eth1
  - name: eth0
    type: ethernet
    state: up
    mac-address: 34:8A:B1:4B:16:E3
    ipv4:
      enabled: false
    ipv6:
      enabled: false
  - name: eth1
    type: ethernet
    state: up
    mac-address: 34:8A:B1:4B:16:E4
    ipv4:
      enabled: false
    ipv6:
      enabled: false
EOF

cat << EOF > $CONFIG_DIR/network/node3.suse.com.yaml
routes:
  config:
    - destination: 0.0.0.0/0
      metric: 100
      next-hop-address: 192.168.122.1
      next-hop-interface: linux-br0
      table-id: 254
    - destination: 192.168.122.0/24
      metric: 100
      next-hop-address: 192.168.122.1
      next-hop-interface: linux-br0
      table-id: 254
dns-resolver:
  config:
    server:
      - 192.168.122.1
      - 8.8.8.8
interfaces:
  - name: eth0
    type: ethernet
    state: up
    mac-address: 34:8A:B1:4B:16:E5
    ipv4:
      enabled: false
    ipv6:
      enabled: false
  - name: linux-br0
    type: linux-bridge
    state: up
    ipv4:
      address:
        - ip: 192.168.122.70
          prefix-length: 24
      dhcp: false
      enabled: true
    bridge:
      options:
        group-forward-mask: 0
        mac-ageing-time: 300
        multicast-snooping: true
        stp:
          enabled: true
          forward-delay: 15
          hello-time: 2
          max-age: 20
          priority: 32768
      port:
        - name: eth0
          stp-hairpin-mode: false
          stp-path-cost: 100
          stp-priority: 32
EOF

├── definition.yaml
├── network/
│   │── node1.suse.com.yaml
│   │── node2.suse.com.yaml
│   └── node3.suse.com.yaml
└── base-images/
    └── SL-Micro.x86_64-6.2-Base-GM.raw

podman run --rm -it -v $CONFIG_DIR:/eib registry.suse.com/edge/3.6/edge-image-builder:1.3.3.1 build --definition-file definition.yaml

Generating image customization components...
Identifier ................... [SUCCESS]
Custom Files ................. [SKIPPED]
Time ......................... [SKIPPED]
Network ...................... [SUCCESS]
Groups ....................... [SKIPPED]
Users ........................ [SUCCESS]
Proxy ........................ [SKIPPED]
Rpm .......................... [SKIPPED]
Systemd ...................... [SKIPPED]
Elemental .................... [SKIPPED]
Suma ......................... [SKIPPED]
Embedded Artifact Registry ... [SKIPPED]
Keymap ....................... [SUCCESS]
Kubernetes ................... [SKIPPED]
Certificates ................. [SKIPPED]
Building RAW image...
Kernel Params ................ [SKIPPED]
Image build complete!

mkdir edge-nodes && cd edge-nodes
for i in {1..4}; do cp $CONFIG_DIR/modified-image.raw node$i.raw; done

mkdir -p $CONFIG_DIR/network

cat <<- EOF > $CONFIG_DIR/network/_all.yaml
interfaces:
- name: eth0
  type: ethernet
  state: up
  ipv4:
    dhcp: true
    enabled: true
  ipv6:
    enabled: false
- name: eth1
  type: ethernet
  state: up
  ipv4:
    address:
    - ip: 10.0.0.1
      prefix-length: 24
    enabled: true
    dhcp: false
  ipv6:
    enabled: false
EOF

podman run --rm -it -v $CONFIG_DIR:/eib registry.suse.com/edge/3.6/edge-image-builder:1.3.3.1 build --definition-file definition.yaml

virt-install --name node1 --ram 10000 --vcpus 6 --disk path=$CONFIG_DIR/modified-image.raw,format=raw --osinfo detect=on,name=sle-unknown --graphics none --console pty,target_type=serial --network default --network default --virt-type kvm --import

localhost:~ # ip r
default via 192.168.122.1 dev eth0 proto dhcp src 192.168.122.100 metric 100
10.0.0.0/24 dev eth1 proto kernel scope link src 10.0.0.1 metric 101
192.168.122.0/24 dev eth0 proto kernel scope link src 192.168.122.100 metric 100

localhost:~ # ping google.com
PING google.com (142.250.72.46) 56(84) bytes of data.
64 bytes from den16s08-in-f14.1e100.net (142.250.72.46): icmp_seq=1 ttl=56 time=14.3 ms
64 bytes from den16s08-in-f14.1e100.net (142.250.72.46): icmp_seq=2 ttl=56 time=14.2 ms
^C
--- google.com ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 14.196/14.260/14.324/0.064 ms

localhost:~ # ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 52:54:00:26:44:7a brd ff:ff:ff:ff:ff:ff
    altname enp1s0
    inet 192.168.122.100/24 brd 192.168.122.255 scope global dynamic noprefixroute eth0
       valid_lft 3505sec preferred_lft 3505sec
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 52:54:00:ec:57:9e brd ff:ff:ff:ff:ff:ff
    altname enp7s0
    inet 10.0.0.1/24 brd 10.0.0.255 scope global noprefixroute eth1
       valid_lft forever preferred_lft forever

localhost:~ # nmcli -f NAME,UUID,TYPE,DEVICE,FILENAME con show
NAME  UUID                                  TYPE      DEVICE  FILENAME
eth0  dfd202f5-562f-5f07-8f2a-a7717756fb70  ethernet  eth0    /etc/NetworkManager/system-connections/eth0.nmconnection
eth1  0523c0a1-5f5e-5603-bcf2-68155d5d322e  ethernet  eth1    /etc/NetworkManager/system-connections/eth1.nmconnection

localhost:~ # cat /etc/NetworkManager/system-connections/eth0.nmconnection
[connection]
autoconnect=true
autoconnect-slaves=-1
id=eth0
interface-name=eth0
type=802-3-ethernet
uuid=dfd202f5-562f-5f07-8f2a-a7717756fb70

[ipv4]
dhcp-client-id=mac
dhcp-send-hostname=true
dhcp-timeout=2147483647
ignore-auto-dns=false
ignore-auto-routes=false
method=auto
never-default=false

[ipv6]
addr-gen-mode=0
dhcp-timeout=2147483647
method=disabled

localhost:~ # cat /etc/NetworkManager/system-connections/eth1.nmconnection
[connection]
autoconnect=true
autoconnect-slaves=-1
id=eth1
interface-name=eth1
type=802-3-ethernet
uuid=0523c0a1-5f5e-5603-bcf2-68155d5d322e

[ipv4]
address0=10.0.0.1/24
dhcp-timeout=2147483647
method=manual

[ipv6]
addr-gen-mode=0
dhcp-timeout=2147483647
method=disabled

mkdir -p $CONFIG_DIR/custom/files

cat << EOF > $CONFIG_DIR/custom/files/eth0.nmconnection
[connection]
autoconnect=true
autoconnect-slaves=-1
autoconnect-retries=1
id=eth0
interface-name=eth0
type=802-3-ethernet
uuid=dfd202f5-562f-5f07-8f2a-a7717756fb70
wait-device-timeout=60000

[ipv4]
dhcp-timeout=2147483647
method=auto

[ipv6]
addr-gen-mode=eui64
dhcp-timeout=2147483647
method=disabled
EOF

mkdir -p $CONFIG_DIR/network

cat << EOF > $CONFIG_DIR/network/configure-network.sh
#!/bin/bash
set -eux

# Remove and disable wired connections
mkdir -p /etc/NetworkManager/conf.d/
printf "[main]\nno-auto-default=*\n" > /etc/NetworkManager/conf.d/no-auto-default.conf
rm -f /var/run/NetworkManager/system-connections/* || true

# Copy pre-configured network configuration files into NetworkManager
mkdir -p /etc/NetworkManager/system-connections/
cp eth0.nmconnection /etc/NetworkManager/system-connections/
chmod 600 /etc/NetworkManager/system-connections/*.nmconnection
EOF

chmod a+x $CONFIG_DIR/network/configure-network.sh

├── definition.yaml
├── custom/
│   └── files/
│       └── eth0.nmconnection
├── network/
│   └── configure-network.sh
└── base-images/
    └── SL-Micro.x86_64-6.2-Base-GM.raw

podman run --rm -it -v $CONFIG_DIR:/eib registry.suse.com/edge/3.6/edge-image-builder:1.3.3.1 build --definition-file definition.yaml

virt-install --name node1 --ram 10000 --vcpus 6 --disk path=$CONFIG_DIR/modified-image.raw,format=raw --osinfo detect=on,name=sle-unknown --graphics none --console pty,target_type=serial --network default --virt-type kvm --import

localhost:~ # ip r
default via 192.168.122.1 dev eth0 proto dhcp src 192.168.122.185 metric 100
192.168.122.0/24 dev eth0 proto kernel scope link src 192.168.122.185 metric 100

localhost:~ # ping google.com
PING google.com (142.250.72.78) 56(84) bytes of data.
64 bytes from den16s09-in-f14.1e100.net (142.250.72.78): icmp_seq=1 ttl=56 time=13.6 ms
64 bytes from den16s09-in-f14.1e100.net (142.250.72.78): icmp_seq=2 ttl=56 time=13.6 ms
^C
--- google.com ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 13.592/13.599/13.606/0.007 ms

localhost:~ # ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 52:54:00:31:d0:1b brd ff:ff:ff:ff:ff:ff
    altname enp0s2
    altname ens2
    inet 192.168.122.185/24 brd 192.168.122.255 scope global dynamic noprefixroute eth0

localhost:~ # nmcli -f NAME,UUID,TYPE,DEVICE,FILENAME con show
NAME  UUID                                  TYPE      DEVICE  FILENAME
eth0  dfd202f5-562f-5f07-8f2a-a7717756fb70  ethernet  eth0    /etc/NetworkManager/system-connections/eth0.nmconnection

localhost:~ # cat  /etc/NetworkManager/system-connections/eth0.nmconnection
[connection]
autoconnect=true
autoconnect-slaves=-1
autoconnect-retries=1
id=eth0
interface-name=eth0
type=802-3-ethernet
uuid=dfd202f5-562f-5f07-8f2a-a7717756fb70
wait-device-timeout=60000

[ipv4]
dhcp-timeout=2147483647
method=auto

[ipv6]
addr-gen-mode=eui64
dhcp-timeout=2147483647
method=disabled