assembly fallback_ips and no_proxy var only one time on localhost and… (#5957)
* assembly fallback_ips and no_proxy var only one time on localhost and populate result on all hosts * add tag always, fix ansible lint errors * workaround to mitogen issue dw/mitogen#663 * do not gather fact before install python on coreos like distros * try to pass docker molecule test
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@ -1,6 +1,6 @@
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# Setting up Environment Proxy
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If you set http and https proxy, all nodes and loadbalancer will be excluded from proxy with generating no_proxy variable in `roles/kubespray-defaults/defaults/main.yml`, if you have additional resources for exclude add them to `additional_no_proxy` variable. If you want fully override your `no_proxy` setting, then fill in just `no_proxy` and no nodes or loadbalancer addresses will be added to no_proxy.
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If you set http and https proxy, all nodes and loadbalancer will be excluded from proxy with generating no_proxy variable in `roles/kubespray-defaults/tasks/no_proxy.yml`, if you have additional resources for exclude add them to `additional_no_proxy` variable. If you want fully override your `no_proxy` setting, then fill in just `no_proxy` and no nodes or loadbalancer addresses will be added to no_proxy.
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## Set proxy for http and https
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@ -405,38 +405,6 @@ contiv_peer_with_uplink_leaf: false
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contiv_global_as: "65002"
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contiv_global_neighbor_as: "500"
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# Set 127.0.0.1 as fallback IP if we do not have host facts for host
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# ansible_default_ipv4 isn't what you think.
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# Thanks https://medium.com/opsops/ansible-default-ipv4-is-not-what-you-think-edb8ab154b10
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fallback_ips_base: |
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---
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{% for item in groups['k8s-cluster'] + groups['etcd'] + groups['calico-rr']|default([])|unique %}
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{% set found = hostvars[item].get('ansible_default_ipv4') %}
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{{ item }}: "{{ found.get('address', '127.0.0.1') }}"
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{% endfor %}
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fallback_ips: "{{ fallback_ips_base | from_yaml }}"
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## Set no_proxy to all assigned cluster IPs and hostnames
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no_proxy: >-
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{%- if http_proxy is defined or https_proxy is defined %}
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{%- if loadbalancer_apiserver is defined -%}
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{{ apiserver_loadbalancer_domain_name| default('') }},
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{{ loadbalancer_apiserver.address | default('') }},
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{%- endif -%}
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{%- for item in (groups['k8s-cluster'] + groups['etcd'] + groups['calico-rr']|default([]))|unique -%}
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{{ hostvars[item]['access_ip'] | default(hostvars[item]['ip'] | default(fallback_ips[item])) }},
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{%- if item != hostvars[item].get('ansible_hostname', '') -%}
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{{ hostvars[item]['ansible_hostname'] }},
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{{ hostvars[item]['ansible_hostname'] }}.{{ dns_domain }},
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{%- endif -%}
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{{ item }},{{ item }}.{{ dns_domain }},
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{%- endfor -%}
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{%- if additional_no_proxy is defined -%}
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{{ additional_no_proxy }},
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{%- endif -%}
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127.0.0.1,localhost,{{kube_service_addresses}},{{kube_pods_subnet}}
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{%- endif %}
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ssl_ca_dirs: >-
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[
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{% if ansible_os_family in ['CoreOS', 'Container Linux by CoreOS', 'Flatcar', 'Flatcar Container Linux by Kinvolk'] -%}
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29
roles/kubespray-defaults/tasks/fallback_ips.yml
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29
roles/kubespray-defaults/tasks/fallback_ips.yml
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@ -0,0 +1,29 @@
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---
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# Set 127.0.0.1 as fallback IP if we do not have host facts for host
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# ansible_default_ipv4 isn't what you think.
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# Thanks https://medium.com/opsops/ansible-default-ipv4-is-not-what-you-think-edb8ab154b10
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- name: Gather ansible_default_ipv4 from all hosts
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include_tasks: fallback_ips_gather.yml
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when: hostvars[delegate_host_to_gather_facts].ansible_default_ipv4 is not defined
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loop: "{{ groups['all'] }}"
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loop_control:
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loop_var: delegate_host_to_gather_facts
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run_once: yes
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- name: create fallback_ips_base
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set_fact:
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fallback_ips_base: |
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---
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{% for item in (groups['k8s-cluster']|default([]) + groups['etcd']|default([]) + groups['calico-rr']|default([]))|unique %}
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{% set found = hostvars[item].get('ansible_default_ipv4') %}
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{{ item }}: "{{ found.get('address', '127.0.0.1') }}"
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{% endfor %}
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delegate_to: localhost
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delegate_facts: yes
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become: no
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run_once: yes
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- name: set fallback_ips
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set_fact:
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fallback_ips: "{{ hostvars.localhost.fallback_ips_base | from_yaml }}"
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10
roles/kubespray-defaults/tasks/fallback_ips_gather.yml
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10
roles/kubespray-defaults/tasks/fallback_ips_gather.yml
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---
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# include to workaround mitogen issue
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# https://github.com/dw/mitogen/issues/663
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- name: "Gather ansible_default_ipv4 from {{ delegate_host_to_gather_facts }}"
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setup:
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gather_subset: '!all,network'
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filter: "ansible_default_ipv4"
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delegate_to: "{{ delegate_host_to_gather_facts }}"
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delegate_facts: yes
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@ -4,3 +4,21 @@
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msg: "Check roles/kubespray-defaults/defaults/main.yml"
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tags:
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- always
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# do not run gather facts when bootstrap-os in roles
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- name: set fallback_ips
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include_tasks: fallback_ips.yml
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when:
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- "'bootstrap-os' not in ansible_play_role_names"
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- fallback_ips is not defined
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tags:
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- always
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- name: set no_proxy
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include_tasks: no_proxy.yml
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when:
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- "'bootstrap-os' not in ansible_play_role_names"
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- http_proxy is defined or https_proxy is defined
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- no_proxy is not defined
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tags:
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- always
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28
roles/kubespray-defaults/tasks/no_proxy.yml
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28
roles/kubespray-defaults/tasks/no_proxy.yml
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@ -0,0 +1,28 @@
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---
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- name: Set no_proxy to all assigned cluster IPs and hostnames
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set_fact:
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no_proxy_prepare: >-
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{%- if loadbalancer_apiserver is defined -%}
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{{ apiserver_loadbalancer_domain_name| default('') }},
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{{ loadbalancer_apiserver.address | default('') }},
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{%- endif -%}
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{%- for item in (groups['k8s-cluster'] + groups['etcd'] + groups['calico-rr']|default([]))|unique -%}
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{{ hostvars[item]['access_ip'] | default(hostvars[item]['ip'] | default(fallback_ips[item])) }},
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{%- if item != hostvars[item].get('ansible_hostname', '') -%}
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{{ hostvars[item]['ansible_hostname'] }},
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{{ hostvars[item]['ansible_hostname'] }}.{{ dns_domain }},
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{%- endif -%}
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{{ item }},{{ item }}.{{ dns_domain }},
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{%- endfor -%}
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{%- if additional_no_proxy is defined -%}
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{{ additional_no_proxy }},
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{%- endif -%}
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127.0.0.1,localhost,{{ kube_service_addresses }},{{ kube_pods_subnet }}
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delegate_to: localhost
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delegate_facts: yes
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become: no
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run_once: yes
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- name: Populates no_proxy to all hosts
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set_fact:
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no_proxy: "{{ hostvars.localhost.no_proxy_prepare }}"
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