Add role kubernetes TODO: fix role

kubernetes/templates/k8s-dqlite/csr-dqlite.conf.template

@@ -0,0 +1,28 @@
+[ req ]
+default_bits = 2048
+prompt = no
+default_md = sha256
+req_extensions = req_ext
+distinguished_name = dn
+
+[ dn ]
+C = GB
+ST = Canonical
+L = Canonical
+O = Canonical
+OU = Canonical
+CN = k8s
+
+[ req_ext ]
+subjectAltName = @alt_names
+
+[ alt_names ]
+DNS = {{ ansible_facts.fqdn }}
+IP = {{ ansible_facts.default_ipv6.address }}
+
+[ v3_ext ]
+authorityKeyIdentifier=keyid,issuer:always
+basicConstraints=CA:FALSE
+keyUsage=keyEncipherment,dataEncipherment,digitalSignature
+extendedKeyUsage=serverAuth,clientAuth
+subjectAltName=@alt_names

kubernetes/templates/k8s-dqlite/init.yaml.template

@@ -0,0 +1,7 @@
+{% if inventory_hostname != groups['kubernetes'][0] %}
+Cluster:
+{% for node in groups['kubernetes'] if node != inventory_hostname %}
+  - {{ node }}:29001
+{% endfor %}
+{% endif %}
+Address: 0.0.0.0:29001