Address standalone kubelet config case

Also place in global vars and do not repeat the kube_*_config_dir
and kube_namespace vars for better code maintainability and UX.

Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>

contrib/network-storage/glusterfs/roles/kubernetes-pv/ansible/tasks/main.yaml

@@ -1,6 +1,6 @@
 ---
 - name: Kubernetes Apps | Lay Down k8s GlusterFS Endpoint and PV
-  template: src={{item.file}} dest=/etc/kubernetes/{{item.dest}}
+  template: src={{item.file}} dest={{kube_config_dir}}/{{item.dest}}
   with_items:
           - { file: glusterfs-kubernetes-endpoint.json.j2, type: ep, dest: glusterfs-kubernetes-endpoint.json}
           - { file: glusterfs-kubernetes-pv.yml.j2, type: pv, dest: glusterfs-kubernetes-pv.yml}
@@ -13,7 +13,7 @@
     namespace: default
     kubectl: "{{bin_dir}}/kubectl"
     resource: "{{item.item.type}}"
-    filename: "/etc/kubernetes/{{item.item.dest}}"
+    filename: "{{kube_config_dir}}/{{item.item.dest}}"
     state: "{{item.changed | ternary('latest','present') }}"
   with_items: "{{ gluster_pv.results }}"
   when: inventory_hostname == groups['kube-master'][0] and groups['gfs-cluster'] is defined

inventory/group_vars/all.yml

@@ -4,6 +4,28 @@ bootstrap_os: none
 # Directory where the binaries will be installed
 bin_dir: /usr/local/bin
 
+# Kubernetes configuration dirs and system namespace.
+# Those are where all the additional config stuff goes
+# the kubernetes normally puts in /srv/kubernets.
+# This puts them in a sane location and namespace.
+# Editting those values will almost surely break something.
+kube_config_dir: /etc/kubernetes
+kube_script_dir: "{{ bin_dir }}/kubernetes-scripts"
+kube_manifest_dir: "{{ kube_config_dir }}/manifests"
+system_namespace: kube-system
+
+# Logging directory (sysvinit systems)
+kube_log_dir: "/var/log/kubernetes"
+
+# This is where all the cert scripts and certs will be located
+kube_cert_dir: "{{ kube_config_dir }}/ssl"
+
+# This is where all of the bearer tokens will be stored
+kube_token_dir: "{{ kube_config_dir }}/tokens"
+
+# This is where to save basic auth file
+kube_users_dir: "{{ kube_config_dir }}/users"
+
 # Where the binaries will be downloaded.
 # Note: ensure that you've enough disk space (about 1G)
 local_release_dir: "/tmp/releases"

roles/dnsmasq/tasks/main.yml

@@ -34,7 +34,7 @@
     state: link
 
 - name: Create dnsmasq manifests
-  template: src={{item.file}} dest=/etc/kubernetes/{{item.file}}
+  template: src={{item.file}} dest={{kube_config_dir}}/{{item.file}}
   with_items:
     - {file: dnsmasq-ds.yml, type: ds}
     - {file: dnsmasq-svc.yml, type: svc}
@@ -44,10 +44,10 @@
 - name: Start Resources
   kube:
     name: dnsmasq
-    namespace: kube-system
+    namespace: "{{system_namespace}}"
     kubectl: "{{bin_dir}}/kubectl"
     resource: "{{item.item.type}}"
-    filename: /etc/kubernetes/{{item.item.file}}
+    filename: "{{kube_config_dir}}/{{item.item.file}}"
     state: "{{item.changed | ternary('latest','present') }}"
   with_items: "{{ manifests.results }}"
   when: inventory_hostname == groups['kube-master'][0]

roles/dnsmasq/templates/dnsmasq-ds.yml

@@ -3,7 +3,7 @@ apiVersion: extensions/v1beta1
 kind: DaemonSet
 metadata:
   name: dnsmasq
-  namespace: kube-system
+  namespace: "{{system_namespace}}"
   labels:
     k8s-app: dnsmasq
 spec:

roles/dnsmasq/templates/dnsmasq-svc.yml

@@ -6,7 +6,7 @@ metadata:
     kubernetes.io/cluster-service: 'true'
     k8s-app: dnsmasq
   name: dnsmasq
-  namespace: kube-system
+  namespace: {{system_namespace}}
 spec:
   ports:
     - port: 53

roles/kubernetes-apps/ansible/defaults/main.yml

@@ -1,6 +1,3 @@
-kube_config_dir: /etc/kubernetes
-kube_namespace: kube-system
-
 # Versions
 kubedns_version: 1.9
 kubednsmasq_version: 1.3

roles/kubernetes-apps/ansible/tasks/calico-policy-controller.yml

@@ -8,6 +8,6 @@
     name: "calico-policy-controller"
     kubectl: "{{bin_dir}}/kubectl"
     filename: "{{kube_config_dir}}/calico-policy-controller.yml"
-    namespace: "{{kube_namespace}}"
+    namespace: "{{system_namespace}}"
     resource: "rs"
   when: inventory_hostname == groups['kube-master'][0]

roles/kubernetes-apps/ansible/tasks/main.yaml

@@ -11,7 +11,7 @@
 - name: Kubernetes Apps | Start Resources
   kube:
     name: kubedns
-    namespace: "{{ kube_namespace }}"
+    namespace: "{{ system_namespace }}"
     kubectl: "{{bin_dir}}/kubectl"
     resource: "{{item.item.type}}"
     filename: "{{kube_config_dir}}/{{item.item.file}}"

roles/kubernetes-apps/ansible/templates/calico-policy-controller.yml.j2

@@ -2,7 +2,7 @@ apiVersion: extensions/v1beta1
 kind: ReplicaSet
 metadata:
   name: calico-policy-controller
-  namespace: {{ kube_namespace }}
+  namespace: {{ system_namespace }}
   labels:
     k8s-app: calico-policy
     kubernetes.io/cluster-service: "true"
@@ -15,7 +15,7 @@ spec:
   template:
     metadata:
       name: calico-policy-controller
-      namespace: kube-system
+      namespace: {{system_namespace}}
       labels:
         kubernetes.io/cluster-service: "true"
         k8s-app: calico-policy

roles/kubernetes-apps/ansible/templates/kubedns-rc.yml

@@ -2,7 +2,7 @@ apiVersion: v1
 kind: ReplicationController
 metadata:
   name: kubedns
-  namespace: {{ kube_namespace }}
+  namespace: {{ system_namespace }}
   labels:
     k8s-app: kubedns
     version: v19

roles/kubernetes-apps/ansible/templates/kubedns-svc.yml

@@ -2,7 +2,7 @@ apiVersion: v1
 kind: Service
 metadata:
   name: kubedns
-  namespace: {{ kube_namespace }}
+  namespace: {{ system_namespace }}
   labels:
     k8s-app: kubedns
     kubernetes.io/cluster-service: "true"

roles/kubernetes-apps/network_plugin/canal/tasks/main.yaml

@@ -3,15 +3,15 @@
   kube:
     name: "canal-config"
     kubectl: "{{bin_dir}}/kubectl"
-    filename: "/etc/kubernetes/canal-config.yaml"
+    filename: "{{kube_config_dir}}/canal-config.yaml"
     resource: "configmap"
-    namespace: "kube-system"
+    namespace: "{{system_namespace}}"
 
 - name: Start flannel and calico-node
   run_once: true
   kube:
     name: "canal-node"
     kubectl: "{{bin_dir}}/kubectl"
-    filename: "/etc/kubernetes/canal-node.yaml"
+    filename: "{{kube_config_dir}}/canal-node.yaml"
     resource: "ds"
-    namespace: "kube-system"
+    namespace: "{{system_namespace}}"

roles/kubernetes/master/defaults/main.yml

@@ -1,28 +1,7 @@
-# This is where all the cert scripts and certs will be located
-kube_cert_dir: "{{ kube_config_dir }}/ssl"
-
-# This is where all of the bearer tokens will be stored
-kube_token_dir: "{{ kube_config_dir }}/tokens"
-
-# This is where to save basic auth file
-kube_users_dir: "{{ kube_config_dir }}/users"
-
 # An experimental dev/test only dynamic volumes provisioner,
 # for PetSets. Works for kube>=v1.3 only.
 kube_hostpath_dynamic_provisioner: "false"
 
-# This is where you can drop yaml/json files and the kubelet will run those
-# pods on startup
-kube_manifest_dir: "{{ kube_config_dir }}/manifests"
-
-# This directory is where all the additional config stuff goes
-# the kubernetes normally puts in /srv/kubernets.
-# This puts them in a sane location.
-# Editting this value will almost surely break something. Don't
-# change it. Things like the systemd scripts are hard coded to
-# look in here. Don't do it.
-kube_config_dir: /etc/kubernetes
-
 # change to 0.0.0.0 to enable insecure access from anywhere (not recommended)
 kube_apiserver_insecure_bind_address: 127.0.0.1
 
@@ -30,9 +9,6 @@ kube_apiserver_insecure_bind_address: 127.0.0.1
 # Inclusive at both ends of the range.
 kube_apiserver_node_port_range: "30000-32767"
 
-# Logging directory (sysvinit systems)
-kube_log_dir: "/var/log/kubernetes"
-
 # ETCD cert dir for connecting apiserver to etcd
 etcd_config_dir: /etc/ssl/etcd
 etcd_cert_dir: "{{ etcd_config_dir }}/ssl"

roles/kubernetes/master/files/namespace.yml

@@ -1,4 +1,4 @@
 apiVersion: v1
 kind: Namespace
 metadata:
-  name: kube-system
+  name: "{{system_namespace}}"

roles/kubernetes/master/tasks/main.yml

@@ -36,28 +36,27 @@
   tags: kube-apiserver
 
 - meta: flush_handlers
-# Create kube-system namespace
-- name: copy 'kube-system' namespace manifest
-  copy: src=namespace.yml dest=/etc/kubernetes/kube-system-ns.yml
+
+- name: copy kube system namespace manifest
+  copy: src=namespace.yml dest={{kube_config_dir}}/{{system_namespace}}-ns.yml
   run_once: yes
   when: inventory_hostname == groups['kube-master'][0]
   tags: apps
 
-- name: Check if kube-system exists
-  command: "{{ bin_dir }}/kubectl get ns kube-system"
+- name: Check if kube system namespace exists
+  command: "{{ bin_dir }}/kubectl get ns {{system_namespace}}"
   register: 'kubesystem'
   changed_when: False
   failed_when: False
   run_once: yes
   tags: apps
 
-- name: Create 'kube-system' namespace
-  command: "{{ bin_dir }}/kubectl create -f /etc/kubernetes/kube-system-ns.yml"
+- name: Create kube system namespace
+  command: "{{ bin_dir }}/kubectl create -f {{kube_config_dir}}/{{system_namespace}}-ns.yml"
   changed_when: False
   when: kubesystem|failed and inventory_hostname == groups['kube-master'][0]
   tags: apps
 
-# Write other manifests
 - name: Write kube-controller-manager manifest
   template:
     src: manifests/kube-controller-manager.manifest.j2

roles/kubernetes/master/templates/manifests/kube-apiserver.manifest.j2

@@ -2,7 +2,7 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: kube-apiserver
-  namespace: kube-system
+  namespace: {{system_namespace}}
   labels:
     k8s-app: kube-apiserver
 spec:

roles/kubernetes/master/templates/manifests/kube-controller-manager.manifest.j2

@@ -2,7 +2,7 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: kube-controller-manager
-  namespace: kube-system
+  namespace: {{system_namespace}}
   labels:
     k8s-app: kube-controller
 spec:

roles/kubernetes/master/vars/main.yml

@@ -3,4 +3,4 @@ namespace_kubesystem:
   apiVersion: v1
   kind: Namespace
   metadata:
-    name: kube-system
+    name: "{{system_namespace}}"

roles/kubernetes/node/defaults/main.yml

@@ -1,15 +1,6 @@
-# This is where all the cert scripts and certs will be located
-kube_cert_dir: "{{ kube_config_dir }}/ssl"
-
 # change to 0.0.0.0 to enable insecure access from anywhere (not recommended)
 kube_apiserver_insecure_bind_address: 127.0.0.1
 
-# This is where you can drop yaml/json files and the kubelet will run those
-# pods on startup
-kube_manifest_dir: "{{ kube_config_dir }}/manifests"
-
-dns_domain: "{{ cluster_name }}"
-
 # resolv.conf to base dns config
 kube_resolv_conf: "/etc/resolv.conf"
 
@@ -22,16 +13,5 @@ kube_proxy_masquerade_all: true
 #   - extensions/v1beta1/daemonsets=true
 #   - extensions/v1beta1/deployments=true
 
-# Logging directory (sysvinit systems)
-kube_log_dir: "/var/log/kubernetes"
-
-# This directory is where all the additional config stuff goes
-# the kubernetes normally puts in /srv/kubernets.
-# This puts them in a sane location.
-# Editting this value will almost surely break something. Don't
-# change it. Things like the systemd scripts are hard coded to
-# look in here. Don't do it.
-kube_config_dir: /etc/kubernetes
-
 nginx_image_repo: nginx
 nginx_image_tag: 1.11.4-alpine

roles/kubernetes/node/tasks/main.yml

@@ -1,4 +1,9 @@
 ---
+- set_fact:
+    standalone_kubelet: >-
+      {%- if inventory_hostname in groups['kube-master'] and inventory_hostname not in groups['kube-node'] -%}true{%- else -%}false{%- endif -%}
+  tags: facts
+
 - include: install.yml
   tags: kubelet
 

roles/kubernetes/node/tasks/nginx-proxy.yml

@@ -1,6 +1,6 @@
 ---
 - name: nginx-proxy | Write static pod
-  template: src=manifests/nginx-proxy.manifest.j2 dest=/etc/kubernetes/manifests/nginx-proxy.yml
+  template: src=manifests/nginx-proxy.manifest.j2 dest={{kube_manifest_dir}}/nginx-proxy.yml
 
 - name: nginx-proxy | Make nginx directory
   file: path=/etc/nginx state=directory mode=0700 owner=root

roles/kubernetes/node/templates/deb-kubelet.initd.j2

@@ -27,7 +27,7 @@ DAEMON_USER=root
 [ -x "$DAEMON" ] || exit 0
 
 # Read configuration variable file if it is present
-[ -r /etc/kubernetes/$NAME.env ] && . /etc/kubernetes/$NAME.env
+[ -r {{kube_config_dir}}/$NAME.env ] && . {{kube_config_dir}}/$NAME.env
 
 # Define LSB log_* functions.
 # Depend on lsb-base (>= 3.2-14) to ensure that this file is present

roles/kubernetes/node/templates/kubelet-container.j2

@@ -3,7 +3,7 @@
 --net=host --pid=host --name=kubelet --restart=on-failure:5 \
 -v /etc/cni:/etc/cni:ro \
 -v /opt/cni:/opt/cni:ro \
--v /etc/kubernetes:/etc/kubernetes \
+-v {{kube_config_dir}}:{{kube_config_dir}} \
 -v /sys:/sys \
 -v /dev:/dev \
 -v {{ docker_daemon_graph }}:/var/lib/docker \

roles/kubernetes/node/templates/kubelet.j2

@@ -12,17 +12,21 @@ KUBELET_ADDRESS="--address={{ ip | default("0.0.0.0") }}"
 # KUBELET_PORT="--port=10250"
 # You may leave this blank to use the actual hostname
 KUBELET_HOSTNAME="--hostname-override={{ ansible_hostname }}"
-{% if inventory_hostname in groups['kube-master'] and inventory_hostname not in groups['kube-node'] %}
-KUBELET_REGISTER_NODE="--register-node=false"
-{% endif %}
 # location of the api-server
+{% set kubelet_args_base %}--pod-manifest-path={{ kube_manifest_dir }} --pod-infra-container-image={{ pod_infra_image_repo }}:{{ pod_infra_image_tag }}{% endset %}
 {% if dns_setup|bool and skip_dnsmasq|bool %}
-KUBELET_ARGS="--cluster_dns={{ skydns_server }} --cluster_domain={{ dns_domain }} --kubeconfig={{ kube_config_dir}}/node-kubeconfig.yaml --require-kubeconfig --pod-manifest-path={{ kube_manifest_dir }} --resolv-conf={{ kube_resolv_conf }} --pod-infra-container-image={{ pod_infra_image_repo }}:{{ pod_infra_image_tag }}"
+{% set kubelet_args_dns %}--cluster_dns={{ skydns_server }} --cluster_domain={{ dns_domain }} --resolv-conf={{ kube_resolv_conf }} {{ kubelet_args_base }}{% endset %}
 {% elif dns_setup|bool %}
-KUBELET_ARGS="--cluster_dns={{ dns_server }} --cluster_domain={{ dns_domain }} --kubeconfig={{ kube_config_dir}}/node-kubeconfig.yaml --require-kubeconfig --pod-manifest-path={{ kube_manifest_dir }} --resolv-conf={{ kube_resolv_conf }} --pod-infra-container-image={{ pod_infra_image_repo }}:{{ pod_infra_image_tag }}"
+{% set kubelet_args_dns %}--cluster_dns={{ dns_server }} --cluster_domain={{ dns_domain }} --resolv-conf={{ kube_resolv_conf }} {{ kubelet_args_base }}{% endset %}
 {% else %}
-KUBELET_ARGS="--kubeconfig={{ kube_config_dir}}/kubelet.kubeconfig --require-kubeconfig --pod-manifest-path={{ kube_manifest_dir }} --pod-infra-container-image={{ pod_infra_image_repo }}:{{ pod_infra_image_tag }}"
+{% set kubelet_args_dns = kubelet_args_base %}
 {% endif %}
+{% if not standalone_kubelet|bool %}
+{% set kubelet_args %}--kubeconfig={{ kube_config_dir}}/node-kubeconfig.yaml --require-kubeconfig {{ kubelet_args_dns }}{% endset %}
+{% else %}
+{% set kubelet_args = kubelet_args_dns %}
+{% endif %}
+KUBELET_ARGS="{{ kubelet_args }}"
 {% if kube_network_plugin is defined and kube_network_plugin in ["calico", "weave", "canal"] %}
 KUBELET_NETWORK_PLUGIN="--network-plugin=cni --network-plugin-dir=/etc/cni/net.d"
 {% elif kube_network_plugin is defined and kube_network_plugin == "weave" %}

roles/kubernetes/node/templates/kubelet.service.j2

@@ -10,7 +10,7 @@ Wants=docker.socket
 {% endif %}
 
 [Service]
-EnvironmentFile=/etc/kubernetes/kubelet.env
+EnvironmentFile={{kube_config_dir}}/kubelet.env
 ExecStart={{ bin_dir }}/kubelet \
 		$KUBE_LOGTOSTDERR \
 		$KUBE_LOG_LEVEL \

roles/kubernetes/node/templates/manifests/kube-proxy.manifest.j2

@@ -2,7 +2,7 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: kube-proxy
-  namespace: kube-system
+  namespace: {{system_namespace}}
   labels:
     k8s-app: kube-proxy
 spec:
@@ -17,7 +17,7 @@ spec:
     - --v={{ kube_log_level }}
     - --master={{ kube_apiserver_endpoint }}
 {% if not is_kube_master %}
-    - --kubeconfig=/etc/kubernetes/node-kubeconfig.yaml
+    - --kubeconfig={{kube_config_dir}}/node-kubeconfig.yaml
 {% endif %}
     - --bind-address={{ ip | default(ansible_default_ipv4.address) }}
     - --cluster-cidr={{ kube_pods_subnet }}
@@ -31,10 +31,10 @@ spec:
     - mountPath: /etc/ssl/certs
       name: ssl-certs-host
       readOnly: true
-    - mountPath: /etc/kubernetes/node-kubeconfig.yaml
+    - mountPath: {{kube_config_dir}}/node-kubeconfig.yaml
       name: "kubeconfig"
       readOnly: true
-    - mountPath: /etc/kubernetes/ssl
+    - mountPath: {{kube_config_dir}}/ssl
       name: "etc-kube-ssl"
       readOnly: true
     - mountPath: /var/run/dbus
@@ -46,10 +46,10 @@ spec:
       path: /usr/share/ca-certificates
   - name: "kubeconfig"
     hostPath:
-      path: "/etc/kubernetes/node-kubeconfig.yaml"
+      path: "{{kube_config_dir}}/node-kubeconfig.yaml"
   - name: "etc-kube-ssl"
     hostPath:
-      path: "/etc/kubernetes/ssl"
+      path: "{{kube_config_dir}}/ssl"
   - name: "var-run-dbus"
     hostPath:
       path: "/var/run/dbus"

roles/kubernetes/node/templates/manifests/nginx-proxy.manifest.j2

@@ -2,7 +2,7 @@ apiVersion: v1
 kind: Pod
 metadata:
   name: nginx-proxy
-  namespace: kube-system
+  namespace: {{system_namespace}}
   labels:
     k8s-app: kube-nginx
 spec:

roles/kubernetes/node/templates/rh-kubelet.initd.j2

@@ -27,7 +27,7 @@ pidfile="/var/run/$prog.pid"
 lockfile="/var/lock/subsys/$prog"
 logfile="/var/log/$prog"
 
-[ -e /etc/kubernetes/$prog.env ] && . /etc/kubernetes/$prog.env
+[ -e {{kube_config_dir}}/$prog.env ] && . {{kube_config_dir}}/$prog.env
 
 start() {
     if [ ! -x $exec ]; then
@@ -35,7 +35,7 @@ start() {
         echo "Docker executable $exec not found"
       else
         echo "You do not have permission to execute the Docker executable $exec"
-      fi	      
+      fi
       exit 5
     fi
 

roles/kubernetes/preinstall/defaults/main.yml

@@ -1,26 +1,6 @@
 ---
 run_gitinfos: false
 
-# This directory is where all the additional scripts go
-# that Kubernetes normally puts in /srv/kubernetes.
-# This puts them in a sane location
-kube_script_dir: "{{ bin_dir }}/kubernetes-scripts"
-
-# This directory is where all the additional config stuff goes
-# the kubernetes normally puts in /srv/kubernets.
-# This puts them in a sane location.
-# Editting this value will almost surely break something. Don't
-# change it. Things like the systemd scripts are hard coded to
-# look in here. Don't do it.
-kube_config_dir: /etc/kubernetes
-
-# Logging directory (sysvinit systems)
-kube_log_dir: "/var/log/kubernetes"
-
-# This is where you can drop yaml/json files and the kubelet will run those
-# pods on startup
-kube_manifest_dir: "{{ kube_config_dir }}/manifests"
-
 epel_rpm_download_url: "https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm"
 
 common_required_pkgs:

roles/kubernetes/secrets/defaults/main.yml

@@ -1,21 +0,0 @@
-# This is where all the cert scripts and certs will be located
-kube_cert_dir: "{{ kube_config_dir }}/ssl"
-
-# This is where all of the bearer tokens will be stored
-kube_token_dir: "{{ kube_config_dir }}/tokens"
-
-# This is where to save basic auth file
-kube_users_dir: "{{ kube_config_dir }}/users"
-
-# This directory is where all the additional config stuff goes
-# the kubernetes normally puts in /srv/kubernets.
-# This puts them in a sane location.
-# Editting this value will almost surely break something. Don't
-# change it. Things like the systemd scripts are hard coded to
-# look in here. Don't do it.
-kube_config_dir: /etc/kubernetes
-
-# This directory is where all the additional scripts go
-# that Kubernetes normally puts in /srv/kubernetes.
-# This puts them in a sane location
-kube_script_dir: "{{ bin_dir }}/kubernetes-scripts"

roles/network_plugin/canal/tasks/main.yml

@@ -35,12 +35,12 @@
 - name: Canal | Write canal configmap
   template:
     src: canal-config.yml.j2
-    dest: /etc/kubernetes/canal-config.yaml
+    dest: "{{kube_config_dir}}/canal-config.yaml"
 
 - name: Canal | Write canal node configuration
   template:
     src: canal-node.yml.j2
-    dest: /etc/kubernetes/canal-node.yaml
+    dest: "{{kube_config_dir}}/canal-node.yaml"
 
 - name: Canal | Copy cni plugins from hyperkube
   command: "/usr/bin/docker run --rm -v /opt/cni/bin:/cnibindir {{ hyperkube_image_repo }}:{{ hyperkube_image_tag }} /usr/bin/rsync -a /opt/cni/bin/ /cnibindir/"

roles/network_plugin/flannel/tasks/main.yml

@@ -10,7 +10,7 @@
 - name: Flannel | Create flannel pod manifest
   template:
     src: flannel-pod.yml
-    dest: /etc/kubernetes/manifests/flannel-pod.manifest
+    dest: "{{kube_manifest_dir}}/flannel-pod.manifest"
   notify: Flannel | delete default docker bridge
 
 - name: Flannel | Wait for flannel subnet.env file presence

roles/network_plugin/flannel/templates/flannel-pod.yml

@@ -3,7 +3,7 @@
   apiVersion: "v1"
   metadata:
     name: "flannel"
-    namespace: "kube-system"
+    namespace: "{{system_namespace}}"
     labels:
       app: "flannel"
       version: "v0.1"

roles/reset/tasks/main.yml

@@ -34,7 +34,7 @@
 - name: reset | delete some files and directories
   file: path={{ item }} state=absent
   with_items:
-    - /etc/kubernetes/
+    - "{{kube_config_dir}}"
     - /var/lib/kubelet
     - /var/lib/etcd
     - /etc/ssl/etcd

scripts/collect-info.yaml

@@ -41,31 +41,31 @@
         cmd: journalctl -u kubelet --no-pager
       - name: kubedns_logs
         cmd: "for i in `kubectl get pods --all-namespaces -l k8s-app=kubedns -o jsonpath={.items..metadata.name}`;
-          do kubectl logs ${i} --namespace kube-system kubedns; done"
+          do kubectl logs ${i} --namespace {{system_namespace}} kubedns; done"
       - name: apiserver_logs
         cmd: "for i in `kubectl get pods --all-namespaces -l k8s-app=kube-apiserver -o jsonpath={.items..metadata.name}`;
-          do kubectl logs ${i} --namespace kube-system; done"
+          do kubectl logs ${i} --namespace {{system_namespace}}; done"
       - name: controller_logs
         cmd: "for i in `kubectl get pods --all-namespaces -l k8s-app=kube-controller -o jsonpath={.items..metadata.name}`;
-          do kubectl logs ${i} --namespace kube-system; done"
+          do kubectl logs ${i} --namespace {{system_namespace}}; done"
       - name: scheduler_logs
         cmd: "for i in `kubectl get pods --all-namespaces -l k8s-app=kube-scheduler -o jsonpath={.items..metadata.name}`;
-          do kubectl logs ${i} --namespace kube-system; done"
+          do kubectl logs ${i} --namespace {{system_namespace}}; done"
       - name: proxy_logs
         cmd: "for i in `kubectl get pods --all-namespaces -l k8s-app=kube-proxy -o jsonpath={.items..metadata.name}`;
-          do kubectl logs ${i} --namespace kube-system; done"
+          do kubectl logs ${i} --namespace {{system_namespace}}; done"
       - name: nginx_logs
         cmd: "for i in `kubectl get pods --all-namespaces -l k8s-app=kube-nginx -o jsonpath={.items..metadata.name}`;
-          do kubectl logs ${i} --namespace kube-system; done"
+          do kubectl logs ${i} --namespace {{system_namespace}}; done"
       - name: flannel_logs
         cmd: "for i in `kubectl get pods --all-namespaces -l app=flannel -o jsonpath={.items..metadata.name}`;
-          do kubectl logs ${i} --namespace kube-system flannel-container; done"
+          do kubectl logs ${i} --namespace {{system_namespace}} flannel-container; done"
       - name: canal_logs
         cmd: "for i in `kubectl get pods --all-namespaces -l k8s-app=canal-node -o jsonpath={.items..metadata.name}`;
-          do kubectl logs ${i} --namespace kube-system flannel; done"
+          do kubectl logs ${i} --namespace {{system_namespace}} flannel; done"
       - name: calico_policy_logs
         cmd: "for i in `kubectl get pods --all-namespaces -l k8s-app=calico-policy -o jsonpath={.items..metadata.name}`;
-          do kubectl logs ${i} --namespace kube-system calico-policy-controller; done"
+          do kubectl logs ${i} --namespace {{system_namespace}} calico-policy-controller; done"
 
     logs:
       - /var/log/syslog