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版本:v0.3

Harvester Configuration

Configuration Example

Harvester configuration file can be provided during manual or automatic installation to configure various settings. The following is a configuration example:

server_url: https://someserver:8443
token: TOKEN_VALUE
os:
ssh_authorized_keys:
- ssh-rsa AAAAB3NzaC1yc2EAAAADAQAB...
- github:username
write_files:
- encoding: ""
content: test content
owner: root
path: /etc/test.txt
permissions: '0755'
hostname: myhost
modules:
- kvm
- nvme
sysctls:
kernel.printk: "4 4 1 7"
kernel.kptr_restrict: "1"
dns_nameservers:
- 8.8.8.8
- 1.1.1.1
ntp_servers:
- 0.us.pool.ntp.org
- 1.us.pool.ntp.org
password: rancher
environment:
http_proxy: http://myserver
https_proxy: http://myserver
install:
mode: create
networks:
harvester-mgmt:
interfaces:
- name: ens5
default_route: true
method: dhcp
force_efi: true
device: /dev/vda
silent: true
iso_url: http://myserver/test.iso
poweroff: true
no_format: true
debug: true
tty: ttyS0
vip: 10.10.0.19
vip_hw_addr: 52:54:00:ec:0e:0b
vip_mode: dhcp

Configuration Reference

Below is a reference of all configuration keys.

警告

Security Risks: The configuration file contains credentials which should be kept secret. Please do not make the configuration file publicly accessible.

server_url

Definition

The URL of the Harvester server to join as an agent.

This configuration is mandatory when the installation is in JOIN mode. It tells the Harvester installer where the main server is.

Example

server_url: https://someserver:8443
install:
mode: join

token

Definition

The cluster secret or node token. If the value matches the format of a node token it will automatically be assumed to be a node token. Otherwise it is treated as a cluster secret.

In order for a new node to join the Harvester cluster, the token should match what the server has.

Example

token: myclustersecret

Or a node token

token: "K1074ec55daebdf54ef48294b0ddf0ce1c3cb64ee7e3d0b9ec79fbc7baf1f7ddac6::node:77689533d0140c7019416603a05275d4"

os.ssh_authorized_keys

Definition

A list of SSH authorized keys that should be added to the default user, rancher. SSH keys can be obtained from GitHub user accounts by using the format github:${USERNAME}. This is done by downloading the keys from https://github.com/${USERNAME}.keys.

Example

os:
ssh_authorized_keys:
- "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC2TBZGjE+J8ag11dzkFT58J3XPONrDVmalCNrKxsfADfyy0eqdZrG8hcAxAR/5zuj90Gin2uBR4Sw6Cn4VHsPZcFpXyQCjK1QDADj+WcuhpXOIOY3AB0LZBly9NI0ll+8lo3QtEaoyRLtrMBhQ6Mooy2M3MTG4JNwU9o3yInuqZWf9PvtW6KxMl+ygg1xZkljhemGZ9k0wSrjqif+8usNbzVlCOVQmZwZA+BZxbdcLNwkg7zWJSXzDIXyqM6iWPGXQDEbWLq3+HR1qKucTCSxjbqoe0FD5xcW7NHIME5XKX84yH92n6yn+rxSsyUfhJWYqJd+i0fKf5UbN6qLrtd/D"
- "github:ibuildthecloud"

os.write_files

A list of files to write to disk on boot. The encoding field specifies the content's encoding. Valid encoding values are:

  • "": content data are written in plain text. In this case, the encoding field can be also omitted.
  • b64, base64: content data are base64-encoded.
  • gz, gzip: content data are gzip-compressed.
  • gz+base64, gzip+base64, gz+b64, gzip+b64: content data are gzip-compressed first and then base64-encoded.

Example

os:
write_files:
- encoding: b64
content: CiMgVGhpcyBmaWxlIGNvbnRyb2xzIHRoZSBzdGF0ZSBvZiBTRUxpbnV4...
owner: root:root
path: /etc/connman/main.conf
permissions: '0644'
- content: |
# My new /etc/sysconfig/samba file

SMDBOPTIONS="-D"
path: /etc/sysconfig/samba
- content: !!binary |
f0VMRgIBAQAAAAAAAAAAAAIAPgABAAAAwARAAAAAAABAAAAAAAAAAJAVAAAAAA
AEAAHgAdAAYAAAAFAAAAQAAAAAAAAABAAEAAAAAAAEAAQAAAAAAAwAEAAAAAAA
AAAAAAAAAwAAAAQAAAAAAgAAAAAAAAACQAAAAAAAAAJAAAAAAAAcAAAAAAAAAB
...
path: /bin/arch
permissions: '0555'
- content: |
15 * * * * root ship_logs
path: /etc/crontab

os.hostname

Definition

Set the system hostname. If the system hostname is supplied via DHCP, then that value will be used here. If this value is not set and one is not supplied via DHCP, then a random hostname will be generated.

Example

os:
hostname: myhostname

os.modules

Definition

A list of kernel modules to be loaded on start.

Example

os:
modules:
- kvm
- nvme

os.sysctls

Definition

Kernel sysctl to set up on start. These are the typical configurations found in /etc/sysctl.conf. Values must be specified as strings.

Example

os:
sysctls:
kernel.printk: 4 4 1 7 # the YAML parser will read as a string
kernel.kptr_restrict: "1" # force the YAML parser to read as a string

os.dns_nameservers

Definition

Fallback DNS name servers to use if DNS is not configured by DHCP or in the OS.

Example

os:
dns_nameservers:
- 8.8.8.8
- 1.1.1.1

os.ntp_servers

Definition

Fallback ntp servers to use if NTP is not configured elsewhere in the OS.

Example

os:
ntp_servers:
- 0.us.pool.ntp.org
- 1.us.pool.ntp.org

os.password

Definition

The password for the default user, rancher. By default, there is no password for the rancher user. If you set a password at runtime it will be reset on the next boot. The value of the password can be clear text or an encrypted form. The easiest way to get this encrypted form is to change your password on a Linux system and copy the value of the second field from /etc/shadow. You can also encrypt a password using openssl passwd -6.

Example

Encrypted:

os:
password: "$6$kZYUnRaTxNdg4W8H$WSEJydGWsNpaRbbbRdTDLJ2hDLbkizxSFGW2RtexlqG6njEATaGQG9ssztjaKDCsaNUPBZ1E1YdsvSLMAi/IO/"

Or clear text:

os:
password: supersecure

os.environment

Definition

Environment variables to be set on K3s and other processes like the boot process. Primary use of this field is to set the HTTP proxy.

Example

os:
environment:
http_proxy: http://myserver
https_proxy: http://myserver

install.mode

Definition

Harvester installation mode:

  • create: Creating a new Harvester installation.
  • join: Join an existing Harvester installation. Need to specify server_url.

Example

install:
mode: create

install.networks

Definition

Configure network interfaces for the host machine. Each key-value pair represents a network interface. The key name becomes the network name, and the values are configurations for each network. Valid configuration fields are:

  • method: Method to assign an IP to this network. The following are supported:
    • static: Manually assign an IP and gateway.
    • dhcp: Request an IP from the DHCP server.
    • none: Do nothing. Useful when the interface does not need an IP, such as when creating VLAN network NIC in Harvester.
  • ip: Static IP for this network. Required if static method is chosen.
  • subnet_mask: Subnet mask for this network. Required if static method is chosen.
  • gateway: Gateway for this network. Required if static method is chosen.
  • interfaces: An array of interface names. If provided, the installer then combines these NICs into a single logical bonded interface.
    • interfaces.name: The name of the slave interface for the bonded network.
  • default_route: Set the network as the default route or not.
  • bond_options: Options for bonded interfaces. Refer to here for more info. If not provided, the following options would be used:
    • mode: balance-tlb
    • miimon: 100
备注

A network called harvester-mgmt is mandatory to establish a valid management network.

备注

Harvester uses the systemd net naming scheme. Please make sure the interface name is present on the target machine before installation.

Example

install:
mode: create
networks:
harvester-mgmt: # The management bond name. This is mandatory.
interfaces:
- name: ens5
default_route: true
method: dhcp
bond_options:
mode: balance-tlb
miimon: 100
harvester-vlan: # The VLAN network bond name. User can then input `harvester-vlan` in the VLAN NIC setting in the GUI.
interfaces:
- name: ens6
method: none
bond_options:
mode: balance-tlb
miimon: 100
bond0:
interfaces:
- name: ens8
method: static
ip: 10.10.18.2
subnet_mask: 255.255.255.0
gateway: 192.168.11.1

install.force_efi

Force EFI installation even when EFI is not detected. Default: false.

install.device

The device to install the OS.

install.silent

Reserved.

install.iso_url

ISO to download and install from if booting from kernel/vmlinuz and not ISO.

install.poweroff

Shutdown the machine after installation instead of rebooting

install.no_format

Do not partition and format, assume layout exists already.

install.debug

Run the installation with additional logging and debugging enabled for the installed system.

install.tty

Definition

The tty device used for the console.

Example

install:
tty: ttyS0,115200n8

install.vip

install.vip_mode

install.vip_hw_addr

Definition

  • install.vip: The VIP of the Harvester management endpoint. After installation, users can access the Harvester GUI at the URL https://<VIP>.
  • install.vip_mode
    • dhcp: Harvester will send DHCP requests to get the VIP. The install.vip_hw_addr field needs to be provided.
    • static: Harvester uses a static VIP.
  • install.vip_hw_addr: The hardware address corresponding to the VIP. Users must configure their on-premise DHCP server to offer the configured VIP. The field is mandatory when install.vip_mode is dhcp.

Example

Configure a static VIP.

install:
vip: 192.168.0.100
vip_mode: static

Configure a DHCP VIP.

install:
vip: 10.10.0.19
vip_mode: dhcp
vip_hw_addr: 52:54:00:ec:0e:0b