création role etcd

etcd/README.md

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+# Etcd
+
+Installation and basic configuration of etcd for integrate in a Patroni and PostgreSQL cluster.

etcd/defaults/main.yml

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+---
+
+# Define variable for etcd
+etcd_listen_ip: []
+etcd_cluster_ips: []
+etcd_client_port: "2379"
+etcd_peer_port: "2380"
+etcd_local_name : ""
+etcd_cluster_token : ""
+etcd_datadir : "/var/lib/etcd/{{ etcd_cluster_token }}"
+etcd_initial_cluster: ""

etcd/tasks/config.yml

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+---
+
+- name: Create etcd config file
+  ansible.builtin.template:
+    src: etcd.j2
+    dest: /etc/default/etcd
+    owner: root
+    group: root
+    mode: "0644"
+

etcd/tasks/packages.yml

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+---
+
+- name: Install etcd client / server package
+  ansible.builtin.apt:
+    name:
+      - etcd-client
+      - etcd-server
+    update_cache: yes
+
+- name: Install python dependencies for Patroni
+  ansible.builtin.apt:
+    name:
+      - python3-etcd
+      - python3-psycopg2
+  when: patroni_install_dependencies | bool

etcd/templates/etcd.j2

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+ETCD_NAME="{{ etcd_local_name }}"
+ETCD_DATA_DIR="{{ etcd_datadir }}"
+ETCD_LOG_OUTPUTS="stdout"
+ETCD_LISTEN_PEER_URLS="http://{{ etcd_peer_hosts }}:{{ etcd_peer_port }}"
+ETCD_LISTEN_CLIENT_URLS="http://localhost:{{ etcd_client_port }},http://{{ etcd_listen_ip }}:{{ etcd_client_port }}"
+ETCD_INITIAL_ADVERTISE_PEER_URLS="http://{{ etcd_listen_ip }}:{{ etcd_peer_port }}"
+ETCD_INITIAL_CLUSTER="{{ etcd_local_name }}=http://{{ etcd_cluster_ips }}:{{ etcd_peer_port }},"
+ETCD_ADVERTISE_CLIENT_URLS="http://{{ etcd_listen_ip }}:{{ etcd_client_port }}"
+ETCD_INITIAL_CLUSTER_TOKEN="{{ etcd_cluster_token }}"
+ETCD_INITIAL_CLUSTER_STATE="new"