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k8s:linux_vm:set_up_flatcar-linux [2023/02/20 00:04] – admink8s:linux_vm:set_up_flatcar-linux [2023/11/14 22:43] (current) – admin
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 Upload a version of flatcar_production_vmware_ova_image.vmdk to one of the VM hosts. Instead of [current](https://stable.release.flatcar-linux.net/amd64-usr/current/) it might be better to upload Upload a version of flatcar_production_vmware_ova_image.vmdk to one of the VM hosts. Instead of [current](https://stable.release.flatcar-linux.net/amd64-usr/current/) it might be better to upload
-a [previous stable release](https://stable.release.flatcar-linux.net/amd64-usr/) and check that updating works. For example [3033.2.0](https://stable.release.flatcar-linux.net/amd64-usr/3033.2.0/)+a [previous stable release](https://stable.release.flatcar-linux.net/amd64-usr/) and check that updating works. For example [3510.2.8](https://stable.release.flatcar-linux.net/amd64-usr/3510.2.8/)
 Remove any disks. Add the `flatcar_production_vmware_ova_image.vmdk` as the first disk (system, sda) and add a second thin provisionen 230 GB disk (container ephemeral, sdb). Remove any disks. Add the `flatcar_production_vmware_ova_image.vmdk` as the first disk (system, sda) and add a second thin provisionen 230 GB disk (container ephemeral, sdb).
  
Line 41: Line 41:
  
 ```yaml ```yaml
 +variant: flatcar
 +version: 1.0.0
 passwd: passwd:
   users:   users:
-    - name: core +  - name: core 
-      ssh_authorized_keys: +    ssh_authorized_keys: 
-        - ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBFBjtMTXcKtVlorGkFwpCs1XmHakFwk3ggShgmHZyJaAhjR81bAFFZVGURBIXUnmi4DpcAV1GaNDNdw0DJvPqRo= Omar Yubikey 5 nano +      - ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBFBjtMTXcKtVlorGkFwpCs1XmHakFwk3ggShgmHZyJaAhjR81bAFFZVGURBIXUnmi4DpcAV1GaNDNdw0DJvPqRo= Omar Yubikey 5 nano 
-        - ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBAe26li9Rzcf+iBRftzE3WDddlDI8+HpCm+GFdep5tcWC6Q2Hzbi1GSqFTBSvpKAJRbyq49OkA3gd16ugmzImDU= Omar Yubikey 5 NFC +      - ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBAe26li9Rzcf+iBRftzE3WDddlDI8+HpCm+GFdep5tcWC6Q2Hzbi1GSqFTBSvpKAJRbyq49OkA3gd16ugmzImDU= Omar Yubikey 5 NFC 
-#kernel_arguments: +kernel_arguments: 
-#  should_not_exist: +  should_not_exist: 
-#    - flatcar.autologin +  - flatcar.autologin
-locksmith: +
-  reboot_strategy: "reboot" +
-  window_start: Thu 04:00 +
-  window_length: 1h +
-networkd: +
-  units: +
-    # change IP and MAC addresses for other nodes! +
-    - name: 10-ens1.network +
-      contents: |         +
-        [Match] +
-        MACAddress=<MAC address from vCenter kubernetes_public> +
-         +
-        [Network] +
-        Address=10.3.6.xx/24 +
-        Gateway=10.3.6.1 +
-        DNS=192.168.1.250 +
-        Domains=servants.priv +
-        NTP=192.168.1.250 +
-    - name: 10-ens2.network +
-      contents: |         +
-        [Match] +
-        MACAddress=MAC address from vCenter kubernetes_internal> +
-         +
-        [Network] +
-        Address=10.6.16.xx/24+
 storage: storage:
- 
   filesystems:   filesystems:
-    - name: oem +    - device: /dev/sdb 
-      mount: +      format: xfs 
-        device: /dev/disk/by-label/OEM +      wipe_filesystem: true 
-        format: btrfs +      label: cont-ephemer
-        label: OEM +
-    - name: cont-ephemer +
-      mount: +
-        device: /dev/sdb +
-        format: xfs +
-        wipe_filesystem: true +
-        label: cont-ephemer+
   files:   files:
-    - path: /grub.cfg 
-      filesystem: oem 
-      mode: 0644 
-      contents: 
-        inline: | 
-          set oem_id="vmware" # or something else like 
-          set linux_append="" 
     - path: /etc/hostname     - path: /etc/hostname
-      filesystem: root 
       mode: 0644       mode: 0644
       contents:       contents:
         inline: acdh-clusterx         inline: acdh-clusterx
 +      overwrite: true
 +    # change IP and MAC addresses for other nodes!
 +    - path: /etc/systemd/network/10-ens1.network
 +      contents:
 +        inline: |     
 +          [Match]
 +          MACAddress=<MAC address from vCenter kubernetes_public>
 +          
 +          [Network]
 +          Address=10.3.6.xx/24
 +          Gateway=10.3.6.1
 +          DNS=192.168.1.1
 +          Domains=servants.priv
 +#          NTP=192.168.1.250
 +    - path: /etc/systemd/network/10-ens2.network
 +      contents:
 +        inline: |         
 +          [Match]
 +          MACAddress=MAC address from vCenter kubernetes_internal>
 +          
 +          [Network]
 +          Address=10.6.16.xx/24
 +    - path: /etc/flatcar/update.conf
 +      contents:
 +        inline: |
 +          REBOOT_STRATEGY="reboot"
 +          LOCKSMITHD_REBOOT_WINDOW_START="Thu 04:00"
 +          LOCKSMITHD_REBOOT_WINDOW_LENGTH="1h"
 +      overwrite: true
 systemd: systemd:
   units:   units:
-    # Ensure docker starts automatically instead of being socket-activated 
-    - name: docker.socket 
-      enable: false 
     - name: update-engine.service     - name: update-engine.service
-      enable: true+      enabled: true
     - name: locksmithd.service     - name: locksmithd.service
-      enable: true+      enabled: true
     - name: systemd-timesyncd.service     - name: systemd-timesyncd.service
-      enable: true   +      enabled: true
-    # Mount a separate disk for all docker data +
-    - name: var-lib-docker.mount +
-    # Mount a separate disk for all docker data+
     - name: var-lib-rancher.mount     - name: var-lib-rancher.mount
-      enable: true+      enabled: true
       contents: |       contents: |
         [Unit]         [Unit]
Line 127: Line 111:
         Type=xfs         Type=xfs
         [Install]         [Install]
-        WantedBy=local-fs.target  +        WantedBy=local-fs.target
-    - name: docker.service +
-      enable: false+
 ``` ```
  
-This confioguration specified as YAML file has to be [transpiled](https://www.flatcar.org/docs/latest/provisioning/config-transpiler/): +This confioguration specified as YAML file has to be [transpiled](https://www.flatcar.org/docs/latest/provisioning/config-transpiler/)[butane](https://coreos.github.io/butane/config-flatcar-v1_0/):
- +
-```bash +
-cat acdh-clusterx.yaml | podman run --rm -i ghcr.io/flatcar/ct:latest | gzip -c9 | base64 -w0 > acdh-clusterx.json+gz+base64.txt +
-``` +
- +
-**TODO**: Switch to [butane](https://coreos.github.io/butane/config-flatcar-v1_0/)+
 ```bash ```bash
 cat acdh-clusterx.yaml | podman run --rm -i quay.io/coreos/butane:latest | gzip -c9 | base64 -w0 > acdh-clusterx.json+gz+base64.txt cat acdh-clusterx.yaml | podman run --rm -i quay.io/coreos/butane:latest | gzip -c9 | base64 -w0 > acdh-clusterx.json+gz+base64.txt
Line 168: Line 144:
 cd /var/lib/libvirt/images/flatcar-linux cd /var/lib/libvirt/images/flatcar-linux
 qemu-img create -f qcow2 -F qcow2 -b flatcar_production_qemu_image.img flatcar-linux1.qcow2 qemu-img create -f qcow2 -F qcow2 -b flatcar_production_qemu_image.img flatcar-linux1.qcow2
 +chown libvirt-qemu:kvm flatcar_production_qemu_image.img flatcar-linux1.qcow2
 +```
 +Create the configuration (use the YAML from above)
 +```bash
 +cat acdh-clusterx.yaml | podman run --rm -i quay.io/coreos/butane:latest > /var/lib/libvirt/qemu/nvram/flatcar-linuxX-provision-ign_VARS.fd
 +sudo chown libvirt-qemu:kvm /var/lib/libvirt/qemu/nvram/flatcar-linuxX-provision-ign_VARS.fd
 +```
 +Create the virutal machine, 2 disks, the qcow2 and a rancher partition of about 20GB  
 +At the end add the following XML
 +```xml
 +  <qemu:commandline xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>
 +    <qemu:arg value='-fw_cfg'/>
 +    <qemu:arg value='name=opt/org.flatcar-linux/config,file=/var/lib/libvirt/qemu/nvram/flatcar-linuxX-provision-ign_VARS.fd'/>
 +  </qemu:commandline>
 ``` ```
k8s/linux_vm/set_up_flatcar-linux.1676847852.txt.gz · Last modified: by admin