all.yml

---
# Defines DHCP handed out DNS servers
dhcp_dns_servers:
  - "{{ hostvars[groups['rpi_k8s_master'][0]]['rpi_k8_static_ip_addr'] }}"
  # - 8.8.8.8
  # - 8.8.4.4

# Defines DHCP scope end address
dhcp_scope_end_range: "{{ dhcp_scope_subnet }}.131"

# Defines DHCP scope gateway address
dhcp_scope_gateway: "{{ hostvars[groups['rpi_k8s_master'][0]]['rpi_k8_static_ip_addr'] }}"

# Defines DHCP scope subnet mask
dhcp_scope_netmask: 255.255.255.0

# Defines DHCP scope start address
dhcp_scope_start_range: "{{ dhcp_scope_subnet }}.128"

# Defines dhcp scope subnet for isolated network
dhcp_scope_subnet: 192.168.100

# Defines jumphost IP address to use as bastion host to reach isolated hosts
jumphost_ip: "{{ hostvars[groups['rpi_k8s_master'][0]]['ansible_host'] }}"

# Defines IPTABLES rules to define on jumphost
jumphost_iptables_rules:
  - chain: POSTROUTING
    jump: MASQUERADE
    out_interface: "{{ rpi_wireless_int}}"
    source: "{{ dhcp_scope_subnet }}.0/24"
    state: present
    table: nat
  - chain: FORWARD
    ctstate: RELATED,ESTABLISHED
    in_interface: "{{ rpi_wireless_int}}"
    jump: ACCEPT
    out_interface: "{{ rpi_wired_int }}"
    state: present
    table: filter
  - chain: FORWARD
    in_interface: "{{ rpi_wired_int }}"
    jump: ACCEPT
    out_interface: "{{ rpi_wireless_int }}"
    state: present
    table: filter

# Defines the K8's GlusterFS cluster name to define for deployments
k8s_glusterfs_cluster_name: glusterfs-cluster

# Define the namespaces for GlusterFS to be defined within
k8s_glusterfs_namespaces:
  - default
  - kube-system

# Defines primary dns domain name for isolated network
pri_domain_name: etsbv.internal

# Defines if GlusterFS should be used for persistent storage capabilities
rpi_k8s_use_glusterfs: true

# Defines the number of nodes in cluster
# Extremely important to define correctly, otherwise provisioning will fail.
rpi_nodes: 5

# Defines the default rpi password for the rpi_username...default is raspberry
rpi_password: raspberry

# Defines the root volume device of the RPI's. This is used to update cmdline.txt
rpi_root_device: /dev/mmcblk0p2

# Defines if DNSMasq should be used for DHCP within cluster
rpi_k8s_use_dnsmasq: true

# Defines if ISC-DHCP should be used for DHCP within cluster
rpi_k8s_use_isc_dhcp: false

# Defines the default rpi username...default is pi
rpi_username: pi

# Defines rpi wired interface name
rpi_wired_int: eth0

# Defines rpi wireless interface name
rpi_wireless_int: wlan0