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-rw-r--r--deploy/adapters/ansible/kubernetes/roles/2flannel-apps/tasks/main.yml22
-rw-r--r--deploy/adapters/ansible/kubernetes/roles/2flannel/defaults/main.yml21
-rw-r--r--deploy/adapters/ansible/kubernetes/roles/2flannel/handlers/main.yml61
-rw-r--r--deploy/adapters/ansible/kubernetes/roles/2flannel/tasks/main.yml73
-rw-r--r--deploy/adapters/ansible/kubernetes/roles/2flannel/tasks/pre-upgrade.yml14
-rw-r--r--deploy/adapters/ansible/kubernetes/roles/2flannel/templates/cni-2flannel-rbac.yml.j244
-rw-r--r--deploy/adapters/ansible/kubernetes/roles/2flannel/templates/cni-2flannel.yml.j2211
-rw-r--r--deploy/adapters/ansible/kubernetes/roles/kargo/tasks/main.yml45
8 files changed, 490 insertions, 1 deletions
diff --git a/deploy/adapters/ansible/kubernetes/roles/2flannel-apps/tasks/main.yml b/deploy/adapters/ansible/kubernetes/roles/2flannel-apps/tasks/main.yml
new file mode 100644
index 0000000..a7ff10e
--- /dev/null
+++ b/deploy/adapters/ansible/kubernetes/roles/2flannel-apps/tasks/main.yml
@@ -0,0 +1,22 @@
+---
+- name: "2Flannel | Create ServiceAccount ClusterRole and ClusterRoleBinding"
+ command: "{{ bin_dir }}/kubectl apply -f {{ kube_config_dir }}/cni-2flannel-rbac.yml"
+ run_once: true
+ when: rbac_enabled and two_flannel_rbac_manifest.changed
+
+- name: 2Flannel | Start Resources
+ kube:
+ name: "kube-2flannel"
+ kubectl: "{{ bin_dir }}/kubectl"
+ filename: "{{ kube_config_dir }}/cni-2flannel.yml"
+ resource: "ds"
+ namespace: "{{system_namespace}}"
+ state: "{{ item | ternary('latest','present') }}"
+ with_items: "{{ two_flannel_manifest.changed }}"
+ when: inventory_hostname == groups['kube-master'][0]
+
+- name: 2Flannel | Wait for flannel subnet.env file presence
+ wait_for:
+ path: /run/2flannel/networks/subnet1.env
+ delay: 5
+ timeout: 600
diff --git a/deploy/adapters/ansible/kubernetes/roles/2flannel/defaults/main.yml b/deploy/adapters/ansible/kubernetes/roles/2flannel/defaults/main.yml
new file mode 100644
index 0000000..f9e61ed
--- /dev/null
+++ b/deploy/adapters/ansible/kubernetes/roles/2flannel/defaults/main.yml
@@ -0,0 +1,21 @@
+---
+# Flannel public IP
+# The address that flannel should advertise as how to access the system
+# Disabled until https://github.com/coreos/flannel/issues/712 is fixed
+# flannel_public_ip: "{{ access_ip|default(ip|default(ansible_default_ipv4.address)) }}"
+
+## interface that should be used for flannel operations
+## This is actually an inventory node-level item
+# flannel_interface:
+
+# You can choose what type of flannel backend to use
+# please refer to flannel's docs : https://github.com/coreos/flannel/blob/master/README.md
+
+# Limits for apps
+flannel_memory_limit: 500M
+flannel_cpu_limit: 300m
+flannel_memory_requests: 64M
+flannel_cpu_requests: 150m
+
+two_flannel_network1: "{{ kube_pods_subnet }}"
+two_flannel_network2: "10.235.64.0/18"
diff --git a/deploy/adapters/ansible/kubernetes/roles/2flannel/handlers/main.yml b/deploy/adapters/ansible/kubernetes/roles/2flannel/handlers/main.yml
new file mode 100644
index 0000000..44ead00
--- /dev/null
+++ b/deploy/adapters/ansible/kubernetes/roles/2flannel/handlers/main.yml
@@ -0,0 +1,61 @@
+---
+- name: 2Flannel | delete default docker bridge
+ command: ip link delete docker0
+ failed_when: false
+ notify: 2Flannel | restart docker
+
+- name: 2Flannel | delete 2flannel interface
+ command: ip link delete flannel0 && ip link delete flannel1
+ failed_when: false
+
+# special cases for atomic because it defaults to live-restore: true
+# So we disable live-restore to pickup the new flannel IP. After
+# we enable it, we have to restart docker again to pickup the new
+# setting and restore the original behavior
+- name: 2Flannel | restart docker
+ command: /bin/true
+ notify:
+ - 2Flannel | reload systemd
+ - 2Flannel | reload docker.socket
+ - 2Flannel | configure docker live-restore true (atomic)
+ - 2Flannel | reload docker
+ - 2Flannel | pause while Docker restarts
+ - 2Flannel | wait for docker
+
+- name: 2Flannel | reload systemd
+ shell: systemctl daemon-reload
+
+- name: 2Flannel | reload docker.socket
+ service:
+ name: docker.socket
+ state: restarted
+ when: ansible_os_family in ['CoreOS', 'Container Linux by CoreOS']
+
+- name: 2Flannel | configure docker live-restore true (atomic)
+ replace:
+ name: /etc/docker/daemon.json
+ regexp: '"live-restore":.*true'
+ replace: '"live-restore": false'
+ when: is_atomic
+
+- name: 2Flannel | reload docker
+ service:
+ name: docker
+ state: restarted
+
+- name: 2Flannel | pause while Docker restarts
+ pause:
+ seconds: 10
+ prompt: "Waiting for docker restart"
+
+- name: 2Flannel | wait for docker
+ command: "{{ docker_bin_dir }}/docker images"
+ register: docker_ready
+ retries: 10
+ delay: 5
+ until: docker_ready.rc == 0
+
+- name: 2Flannel | reload kubelet
+ service:
+ name: kubelet
+ state: restarted
diff --git a/deploy/adapters/ansible/kubernetes/roles/2flannel/tasks/main.yml b/deploy/adapters/ansible/kubernetes/roles/2flannel/tasks/main.yml
new file mode 100644
index 0000000..e7adeef
--- /dev/null
+++ b/deploy/adapters/ansible/kubernetes/roles/2flannel/tasks/main.yml
@@ -0,0 +1,73 @@
+---
+- include: pre-upgrade.yml
+
+- name: 2Flannel | Verify if br_netfilter module exists
+ shell: "modinfo br_netfilter"
+ register: modinfo_br_netfilter
+ failed_when: modinfo_br_netfilter.rc not in [0, 1]
+ changed_when: false
+
+- name: 2Flannel | Enable br_netfilter module
+ modprobe:
+ name: br_netfilter
+ state: present
+ when: modinfo_br_netfilter.rc == 0
+
+# kube-proxy needs net.bridge.bridge-nf-call-iptables enabled when found
+# if br_netfilter is not a module
+- name: 2Flannel | Check if bridge-nf-call-iptables key exists
+ command: "sysctl net.bridge.bridge-nf-call-iptables"
+ failed_when: false
+ changed_when: false
+ register: sysctl_bridge_nf_call_iptables
+
+- name: 2Flannel | Enable bridge-nf-call tables
+ sysctl:
+ name: "{{ item }}"
+ state: present
+ value: 1
+ reload: "yes"
+ when: modinfo_br_netfilter.rc == 1 and sysctl_bridge_nf_call_iptables.rc == 0
+ with_items:
+ - net.bridge.bridge-nf-call-iptables
+ - net.bridge.bridge-nf-call-arptables
+ - net.bridge.bridge-nf-call-ip6tables
+
+- name: 2Flannel | Install Multus CNI
+ shell: |-
+ /usr/bin/docker run --rm --network=host -v /opt/cni/bin/:/opt/cni/bin/ golang:1.9 \
+ bash -c \
+ "git clone https://github.com/Intel-Corp/multus-cni && \
+ cd multus-cni && ./build && cp bin/multus /opt/cni/bin"
+
+- name: 2Flannel | Create cni-flannel-rbac manifest
+ template:
+ src: cni-2flannel-rbac.yml.j2
+ dest: "{{ kube_config_dir }}/cni-2flannel-rbac.yml"
+ register: two_flannel_rbac_manifest
+ when: inventory_hostname == groups['kube-master'][0] and rbac_enabled
+
+- name: 2Flannel | Create cni-flannel manifest
+ template:
+ src: cni-2flannel.yml.j2
+ dest: "{{ kube_config_dir }}/cni-2flannel.yml"
+ register: two_flannel_manifest
+ when: inventory_hostname == groups['kube-master'][0]
+
+- name: 2Flannel | Set 2Flannel etcd configuration
+ shell: |-
+ ETCDCTL_CA_FILE=/etc/ssl/etcd/ssl/ca.pem \
+ ETCDCTL_CERT_FILE=/etc/ssl/etcd/ssl/node-{{ ansible_hostname }}.pem \
+ ETCDCTL_KEY_FILE=/etc/ssl/etcd/ssl/node-{{ ansible_hostname }}-key.pem \
+ {{ bin_dir }}/etcdctl --peers={{ etcd_access_addresses }} \
+ set /{{ cluster_name }}/{{ item.config }}/network/config \
+ '{ "Network": "{{ item.network }}", "Backend": {"Type":"udp", "Port":{{ item.port}} }}'
+ with_items:
+ - {config: "2flannel.1",
+ network: "{{ two_flannel_network1 }}",
+ port: 8285}
+ - {config: "2flannel.2",
+ network: "{{ two_flannel_network2 }}",
+ port: 8286}
+ delegate_to: "{{groups['etcd'][0]}}"
+ run_once: true
diff --git a/deploy/adapters/ansible/kubernetes/roles/2flannel/tasks/pre-upgrade.yml b/deploy/adapters/ansible/kubernetes/roles/2flannel/tasks/pre-upgrade.yml
new file mode 100644
index 0000000..a49002f
--- /dev/null
+++ b/deploy/adapters/ansible/kubernetes/roles/2flannel/tasks/pre-upgrade.yml
@@ -0,0 +1,14 @@
+---
+- name: 2Flannel pre-upgrade | Purge legacy flannel systemd unit file
+ file:
+ path: "/etc/systemd/system/docker.service.d/flannel-options.conf"
+ state: absent
+ notify:
+ - 2Flannel | delete default docker bridge
+
+- name: 2Flannel pre-upgrade | Purge legacy Flannel static pod manifest
+ file:
+ path: "{{ kube_manifest_dir }}/flannel-pod.manifest"
+ state: absent
+ notify:
+ - 2Flannel | delete flannel interface
diff --git a/deploy/adapters/ansible/kubernetes/roles/2flannel/templates/cni-2flannel-rbac.yml.j2 b/deploy/adapters/ansible/kubernetes/roles/2flannel/templates/cni-2flannel-rbac.yml.j2
new file mode 100644
index 0000000..b4d1be1
--- /dev/null
+++ b/deploy/adapters/ansible/kubernetes/roles/2flannel/templates/cni-2flannel-rbac.yml.j2
@@ -0,0 +1,44 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+ name: 2flannel
+ namespace: "{{system_namespace}}"
+---
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1beta1
+metadata:
+ name: 2flannel
+rules:
+ - apiGroups:
+ - ""
+ resources:
+ - pods
+ verbs:
+ - get
+ - apiGroups:
+ - ""
+ resources:
+ - nodes
+ verbs:
+ - list
+ - watch
+ - apiGroups:
+ - ""
+ resources:
+ - nodes/status
+ verbs:
+ - patch
+---
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1beta1
+metadata:
+ name: 2flannel
+roleRef:
+ apiGroup: rbac.authorization.k8s.io
+ kind: ClusterRole
+ name: 2flannel
+subjects:
+- kind: ServiceAccount
+ name: 2flannel
+ namespace: "{{system_namespace}}"
diff --git a/deploy/adapters/ansible/kubernetes/roles/2flannel/templates/cni-2flannel.yml.j2 b/deploy/adapters/ansible/kubernetes/roles/2flannel/templates/cni-2flannel.yml.j2
new file mode 100644
index 0000000..9c159d3
--- /dev/null
+++ b/deploy/adapters/ansible/kubernetes/roles/2flannel/templates/cni-2flannel.yml.j2
@@ -0,0 +1,211 @@
+---
+kind: ConfigMap
+apiVersion: v1
+metadata:
+ name: kube-2flannel-cfg1
+ namespace: "{{system_namespace}}"
+ labels:
+ tier: node
+ app: 2flannel
+data:
+ cni-conf.json: |
+ {
+ "name": "2flannel-networks",
+ "type": "multus",
+ "delegates": [
+ {
+ "type": "flannel",
+ "name": "flannel1",
+ "subnetFile": "/run/2flannel/networks/subnet2.env",
+ "dataDir": "/var/lib/cni/flannel/2",
+ "delegate": {
+ "bridge": "kbr1",
+ "isDefaultGateway": false
+ }
+ },
+ {
+ "type": "flannel",
+ "name": "flannel0",
+ "subnetFile": "/run/2flannel/networks/subnet1.env",
+ "dataDir": "/var/lib/cni/flannel/1",
+ "masterplugin": true,
+ "delegate": {
+ "bridge": "kbr0",
+ "isDefaultGateway": true
+ }
+ }
+ ]
+ }
+ net-conf.json: |
+ {
+ "Network": {{ two_flannel_network1 }},
+ "Backend": {
+ "Type": "udp",
+ "Port": 8285
+ }
+ }
+---
+kind: ConfigMap
+apiVersion: v1
+metadata:
+ name: kube-2flannel-cfg2
+ namespace: "{{system_namespace}}"
+ labels:
+ tier: node
+ app: 2flannel
+data:
+ net-conf.json: |
+ {
+ "Network": {{ two_flannel_network2 }},
+ "Backend": {
+ "Type": "udp",
+ "Port": 8286
+ }
+ }
+---
+apiVersion: extensions/v1beta1
+kind: DaemonSet
+metadata:
+ name: kube-2flannel
+ namespace: "{{system_namespace}}"
+ labels:
+ tier: node
+ k8s-app: 2flannel
+spec:
+ template:
+ metadata:
+ labels:
+ tier: node
+ k8s-app: 2flannel
+ spec:
+{% if rbac_enabled %}
+ serviceAccountName: 2flannel
+{% endif %}
+ containers:
+ - name: kube-2flannel-1
+ image: {{ flannel_image_repo }}:{{ flannel_image_tag }}
+ imagePullPolicy: {{ k8s_image_pull_policy }}
+ resources:
+ limits:
+ cpu: {{ flannel_cpu_limit }}
+ memory: {{ flannel_memory_limit }}
+ requests:
+ cpu: {{ flannel_cpu_requests }}
+ memory: {{ flannel_memory_requests }}
+ command: [ "/opt/bin/flanneld", "--ip-masq",
+ "-etcd-endpoints={{ etcd_access_addresses }}",
+ "-etcd-prefix=/{{ cluster_name }}/2flannel.1/network",
+ "-etcd-cafile=/etc/ssl/etcd/ssl/ca.pem",
+ "-etcd-certfile=/etc/ssl/etcd/ssl/node-$(NODE_NAME).pem",
+ "-etcd-keyfile=/etc/ssl/etcd/ssl/node-$(NODE_NAME)-key.pem",
+ "-subnet-file=/run/2flannel/networks/subnet1.env" ]
+ securityContext:
+ privileged: true
+ env:
+ - name: NODE_NAME
+ valueFrom:
+ fieldRef:
+ fieldPath: spec.nodeName
+ - name: POD_NAME
+ valueFrom:
+ fieldRef:
+ fieldPath: metadata.name
+ - name: POD_NAMESPACE
+ valueFrom:
+ fieldRef:
+ fieldPath: metadata.namespace
+ volumeMounts:
+ - name: run
+ mountPath: /run
+ - name: cni
+ mountPath: /etc/cni/net.d
+ - name: ssl
+ mountPath: /etc/ssl/etcd/ssl/
+ - name: 2flannel-cfg1
+ mountPath: /etc/kube-flannel/
+ - name: kube-2flannel-2
+ image: {{ flannel_image_repo }}:{{ flannel_image_tag }}
+ imagePullPolicy: {{ k8s_image_pull_policy }}
+ resources:
+ limits:
+ cpu: {{ flannel_cpu_limit }}
+ memory: {{ flannel_memory_limit }}
+ requests:
+ cpu: {{ flannel_cpu_requests }}
+ memory: {{ flannel_memory_requests }}
+ command: [ "/opt/bin/flanneld", "--ip-masq",
+ "-etcd-endpoints={{ etcd_access_addresses }}",
+ "-etcd-prefix=/{{ cluster_name }}/2flannel.2/network",
+ "-etcd-cafile=/etc/ssl/etcd/ssl/ca.pem",
+ "-etcd-certfile=/etc/ssl/etcd/ssl/node-$(NODE_NAME).pem",
+ "-etcd-keyfile=/etc/ssl/etcd/ssl/node-$(NODE_NAME)-key.pem",
+ "-subnet-file=/run/2flannel/networks/subnet2.env" ]
+ securityContext:
+ privileged: true
+ env:
+ - name: NODE_NAME
+ valueFrom:
+ fieldRef:
+ fieldPath: spec.nodeName
+ - name: POD_NAME
+ valueFrom:
+ fieldRef:
+ fieldPath: metadata.name
+ - name: POD_NAMESPACE
+ valueFrom:
+ fieldRef:
+ fieldPath: metadata.namespace
+ volumeMounts:
+ - name: run
+ mountPath: /run
+ - name: cni
+ mountPath: /etc/cni/net.d
+ - name: ssl
+ mountPath: /etc/ssl/etcd/ssl/
+ - name: 2flannel-cfg2
+ mountPath: /etc/kube-flannel/
+ - name: install-cni
+ image: {{ flannel_cni_image_repo }}:{{ flannel_cni_image_tag }}
+ command: ["/install-cni.sh"]
+ env:
+ # The CNI network config to install on each node.
+ - name: CNI_NETWORK_CONFIG
+ valueFrom:
+ configMapKeyRef:
+ name: kube-2flannel-cfg1
+ key: cni-conf.json
+ - name: CNI_CONF_NAME
+ value: "10-multus-2flannel.conf"
+ volumeMounts:
+ - name: cni
+ mountPath: /host/etc/cni/net.d
+ - name: host-cni-bin
+ mountPath: /host/opt/cni/bin/
+ hostNetwork: true
+ tolerations:
+ - key: node-role.kubernetes.io/master
+ operator: Exists
+ effect: NoSchedule
+ volumes:
+ - name: run
+ hostPath:
+ path: /run
+ - name: cni
+ hostPath:
+ path: /etc/cni/net.d
+ - name: ssl
+ hostPath:
+ path: /etc/ssl/etcd/ssl/
+ - name: 2flannel-cfg1
+ configMap:
+ name: kube-2flannel-cfg1
+ - name: 2flannel-cfg2
+ configMap:
+ name: kube-2flannel-cfg2
+ - name: host-cni-bin
+ hostPath:
+ path: /opt/cni/bin
+ updateStrategy:
+ rollingUpdate:
+ maxUnavailable: {{ serial | default('20%') }}
+ type: RollingUpdate
diff --git a/deploy/adapters/ansible/kubernetes/roles/kargo/tasks/main.yml b/deploy/adapters/ansible/kubernetes/roles/kargo/tasks/main.yml
index f68eec4..187e2a5 100644
--- a/deploy/adapters/ansible/kubernetes/roles/kargo/tasks/main.yml
+++ b/deploy/adapters/ansible/kubernetes/roles/kargo/tasks/main.yml
@@ -57,7 +57,6 @@
- netaddr
- jinja2
-
- name: copy inventories generate script
copy:
src: generate_inventories.py
@@ -156,6 +155,50 @@
- extra-vars-{{ ansible_architecture }}.yml
- extra-vars.yml
+- name: copy 2flannel playbook to kargo
+ copy:
+ src: "{{ run_dir }}/roles/2flannel"
+ dest: /opt/kargo_k8s/roles/network_plugin
+
+- name: copy 2flannel-apps playbook to kargo
+ copy:
+ src: "{{ run_dir }}/roles/2flannel-apps/"
+ dest: /opt/kargo_k8s/roles/kubernetes-apps/network_plugin/2flannel
+
+- name: append 2flannel to network plugin
+ blockinfile:
+ path: /opt/kargo_k8s/roles/network_plugin/meta/main.yml
+ block: " - role: network_plugin/2flannel\n \
+ when: kube_network_plugin == '2flannel'\n tags: 2flannel\n"
+
+- name: append 2flannel apps to network plugin
+ blockinfile:
+ path: /opt/kargo_k8s/roles/kubernetes-apps/network_plugin/meta/main.yml
+ block: " - role: kubernetes-apps/network_plugin/2flannel\n \
+ when: kube_network_plugin == '2flannel'\n tags: 2flannel\n"
+
+- name: append 2flannel to valid kube_network_plugin list
+ replace:
+ path: "/opt/kargo_k8s/roles/kubernetes/{{ item.path }}"
+ regexp: "{{ item.regexp }}"
+ replace: "{{ item.replace }}"
+ with_items:
+ - {path: 'master/templates/manifests/kube-controller-manager.manifest.j2',
+ regexp: '"cloud", "flannel"',
+ replace: '"cloud", "flannel", "2flannel"'}
+ - {path: 'node/templates/kubelet.kubeadm.env.j2',
+ regexp: '"calico", "canal", "flannel", "weave"',
+ replace: '"calico", "canal", "flannel", "weave", "2flannel"'}
+ - {path: 'node/templates/kubelet.standard.env.j2',
+ regexp: '"calico", "canal", "flannel", "weave"',
+ replace: '"calico", "canal", "flannel", "weave", "2flannel"'}
+ - {path: 'node/templates/kubelet.rkt.service.j2',
+ regexp: '"calico", "weave", "canal", "flannel"',
+ replace: '"calico", "weave", "canal", "flannel", "2flannel"'}
+ - {path: 'preinstall/tasks/main.yml',
+ regexp: '"calico", "weave", "canal", "flannel"',
+ replace: '"calico", "weave", "canal", "flannel", "2flannel"'}
+
- name: run kargo playbook
shell: |
cd /opt/kargo_k8s