diff options
author | Christian Pointner <equinox@spreadspace.org> | 2020-02-01 02:48:06 +0100 |
---|---|---|
committer | Christian Pointner <equinox@spreadspace.org> | 2020-02-01 02:48:06 +0100 |
commit | 844bc9826f652d6bebe55c66e44eb69bd89575bf (patch) | |
tree | 5c60fe1648e5a1db4b54c4ce02e72c4cf0bd8939 /roles/kubernetes/net/kubeguard | |
parent | updated all nexcloud instances on sk-cloudia (diff) | |
parent | kubernetes standalone with docker (diff) |
Merge branch 'topic/kubernetes-ng'
Diffstat (limited to 'roles/kubernetes/net/kubeguard')
8 files changed, 22 insertions, 24 deletions
diff --git a/roles/kubernetes/net/kubeguard/defaults/main.yml b/roles/kubernetes/net/kubeguard/defaults/main.yml new file mode 100644 index 00000000..acabaa25 --- /dev/null +++ b/roles/kubernetes/net/kubeguard/defaults/main.yml @@ -0,0 +1,2 @@ +--- +kubeguard_action: add diff --git a/roles/kubernetes/net/kubeguard/files/kubeguard-interfaces.service b/roles/kubernetes/net/kubeguard/files/kubeguard-interfaces.service index f45df88a..35fc8f90 100644 --- a/roles/kubernetes/net/kubeguard/files/kubeguard-interfaces.service +++ b/roles/kubernetes/net/kubeguard/files/kubeguard-interfaces.service @@ -1,5 +1,5 @@ [Unit] -Description=Kubernetes Network Interfaces +Description=Kubeguard Network Setup After=network.target [Service] diff --git a/roles/kubernetes/net/kubeguard/meta/main.yml b/roles/kubernetes/net/kubeguard/meta/main.yml deleted file mode 100644 index 39c7d694..00000000 --- a/roles/kubernetes/net/kubeguard/meta/main.yml +++ /dev/null @@ -1,4 +0,0 @@ ---- -dependencies: -- role: wireguard/base - when: kubeguard_remove_node is not defined diff --git a/roles/kubernetes/net/kubeguard/tasks/add.yml b/roles/kubernetes/net/kubeguard/tasks/add.yml index b604302b..0658b42c 100644 --- a/roles/kubernetes/net/kubeguard/tasks/add.yml +++ b/roles/kubernetes/net/kubeguard/tasks/add.yml @@ -1,4 +1,8 @@ --- +- name: install wireguard + import_role: + name: wireguard/base + - name: create network config directory file: name: /var/lib/kubeguard/ @@ -48,7 +52,7 @@ - name: compute list of peers to be added set_fact: - kubeguard_peers_to_add: "{{ kubernetes_nodes | difference(inventory_hostname) }}" + kubeguard_peers_to_add: "{{ groups['_kubernetes_nodes_'] | difference(inventory_hostname) }}" - name: compute list of peers to be removed set_fact: @@ -87,7 +91,7 @@ - name: enable IPv4 forwarding sysctl: name: net.ipv4.ip_forward - value: 1 + value: '1' sysctl_set: yes state: present reload: yes diff --git a/roles/kubernetes/net/kubeguard/tasks/main.yml b/roles/kubernetes/net/kubeguard/tasks/main.yml index 0e87af11..10b0d547 100644 --- a/roles/kubernetes/net/kubeguard/tasks/main.yml +++ b/roles/kubernetes/net/kubeguard/tasks/main.yml @@ -1,8 +1,3 @@ --- -- name: add node to overlay network - include_tasks: add.yml - when: kubeguard_remove_node is not defined - -- name: remove node from overlay network - include_tasks: remove.yml - when: kubeguard_remove_node is defined +- name: add/remove nodes to overlay network + include_tasks: "{{ kubeguard_action }}.yml" diff --git a/roles/kubernetes/net/kubeguard/templates/ifupdown.sh.j2 b/roles/kubernetes/net/kubeguard/templates/ifupdown.sh.j2 index 87849ee9..98b38cf4 100644 --- a/roles/kubernetes/net/kubeguard/templates/ifupdown.sh.j2 +++ b/roles/kubernetes/net/kubeguard/templates/ifupdown.sh.j2 @@ -8,14 +8,14 @@ INET_IF="{{ ansible_default_ipv4.interface }}" POD_NET_CIDR="{{ kubernetes.pod_ip_range }}" -{% set br_net = kubernetes.pod_ip_range | ipsubnet(kubernetes.pod_ip_range_size, kubernetes.net_index[inventory_hostname]) -%} +{% set br_net = kubernetes.pod_ip_range | ipsubnet(kubernetes.pod_ip_range_size, kubeguard.node_index[inventory_hostname]) -%} BR_IF="kube-br0" BR_IP="{{ br_net | ipaddr(1) | ipaddr('address') }}" BR_IP_CIDR="{{ br_net | ipaddr(1) }}" BR_NET_CIDR="{{ br_net }}" TUN_IF="kube-wg0" -TUN_IP_CIDR="{{ kubernetes.pod_ip_range | ipsubnet(kubernetes.pod_ip_range_size, 0) | ipaddr(kubernetes.net_index[inventory_hostname]) }}" +TUN_IP_CIDR="{{ kubernetes.pod_ip_range | ipsubnet(kubernetes.pod_ip_range_size, 0) | ipaddr(kubeguard.node_index[inventory_hostname]) }}" case "$1" in diff --git a/roles/kubernetes/net/kubeguard/templates/k8s.json.j2 b/roles/kubernetes/net/kubeguard/templates/k8s.json.j2 index f457ed1c..65b1357a 100644 --- a/roles/kubernetes/net/kubeguard/templates/k8s.json.j2 +++ b/roles/kubernetes/net/kubeguard/templates/k8s.json.j2 @@ -7,6 +7,6 @@ "hairpinMode": true, "ipam": { "type": "host-local", - "subnet": "{{ kubernetes.pod_ip_range | ipsubnet(kubernetes.pod_ip_range_size, kubernetes.net_index[inventory_hostname]) }}" + "subnet": "{{ kubernetes.pod_ip_range | ipsubnet(kubernetes.pod_ip_range_size, kubeguard.node_index[inventory_hostname]) }}" } } diff --git a/roles/kubernetes/net/kubeguard/templates/kubeguard-peer.service.j2 b/roles/kubernetes/net/kubeguard/templates/kubeguard-peer.service.j2 index 54251caf..9ca444e8 100644 --- a/roles/kubernetes/net/kubeguard/templates/kubeguard-peer.service.j2 +++ b/roles/kubernetes/net/kubeguard/templates/kubeguard-peer.service.j2 @@ -4,14 +4,15 @@ After=network.target Requires=kubeguard-interfaces.service After=kubeguard-interfaces.service -{% set pod_net_peer = kubernetes.pod_ip_range | ipsubnet(kubernetes.pod_ip_range_size, kubernetes.net_index[peer]) -%} -{% set direct_zone = kubernetes.direct_net_zones | direct_net_zone(inventory_hostname, peer) -%} +{% set pod_ip_self = kubernetes.pod_ip_range | ipsubnet(kubernetes.pod_ip_range_size, kubeguard.node_index[inventory_hostname]) | ipaddr(1) | ipaddr('address') -%} +{% set pod_net_peer = kubernetes.pod_ip_range | ipsubnet(kubernetes.pod_ip_range_size, kubeguard.node_index[peer]) -%} +{% set direct_zone = kubeguard.direct_net_zones | direct_net_zone(inventory_hostname, peer) -%} {% if direct_zone %} -{% set direct_ip = kubernetes.direct_net_zones[direct_zone].transfer_net | ipaddr(kubernetes.net_index[inventory_hostname]) %} -{% set direct_interface = kubernetes.direct_net_zones[direct_zone].node_interface[inventory_hostname] %} -{% set direct_ip_peer = kubernetes.direct_net_zones[direct_zone].transfer_net | ipaddr(kubernetes.net_index[peer]) %} +{% set direct_ip = kubeguard.direct_net_zones[direct_zone].transfer_net | ipaddr(kubeguard.node_index[inventory_hostname]) %} +{% set direct_interface = kubeguard.direct_net_zones[direct_zone].node_interface[inventory_hostname] %} +{% set direct_ip_peer = kubeguard.direct_net_zones[direct_zone].transfer_net | ipaddr(kubeguard.node_index[peer]) %} {% else %} -{% set tun_ip = kubernetes.pod_ip_range | ipsubnet(kubernetes.pod_ip_range_size, 0) | ipaddr(kubernetes.net_index[peer]) -%} +{% set tun_ip = kubernetes.pod_ip_range | ipsubnet(kubernetes.pod_ip_range_size, 0) | ipaddr(kubeguard.node_index[peer]) -%} {% set wg_pubkey = hostvars[peer].kubeguard_wireguard_pubkey.stdout -%} {% set wg_host = hostvars[peer].external_ip | default(hostvars[peer].ansible_default_ipv4.address) -%} {% set wg_port = hostvars[peer].kubeguard_wireguard_port -%} @@ -22,7 +23,7 @@ Type=oneshot {% if direct_zone %} ExecStart=/sbin/ip addr add {{ direct_ip }} dev {{ direct_interface }} ExecStart=/sbin/ip link set up dev {{ direct_interface }} -ExecStart=/sbin/ip route add {{ pod_net_peer }} via {{ direct_ip_peer | ipaddr('address') }} +ExecStart=/sbin/ip route add {{ pod_net_peer }} via {{ direct_ip_peer | ipaddr('address') }} src {{ pod_ip_self }} ExecStop=/sbin/ip route del {{ pod_net_peer }} ExecStop=/sbin/ip link set down dev {{ direct_interface }} ExecStop=/sbin/ip addr del {{ direct_ip }} dev {{ direct_interface }} |