[ req ]
distinguished_name  = req_distinguished_name
req_extensions = v3_req
[ req_distinguished_name ]
countryName                     = Country Name (2 letter code)
countryName_default             = RU
countryName_min                 = 2
countryName_max                 = 2
stateOrProvinceName             = State or Province Name (full name)
stateOrProvinceName_default     = Russia
localityName                    = Locality Name (eg, city)
localityName_default            = Moscow
0.organizationName              = Organization Name (eg, company)
0.organizationName_default      = yyy
organizationalUnitName          = Organizational Unit Name (eg, section)
organizationalUnitName_default  = testing
commonName                      = Common Name (eg, YOUR name)
commonName_default              = etcd
commonName_max                  = 64
emailAddress                    = Email Address
emailAddress_default            = sdfghjk@lkjhgfd.as
emailAddress_max                = 64
[ v3_req ]
basicConstraints = CA:FALSE
keyUsage = nonRepudiation, digitalSignature, keyEncipherment
subjectAltName = @alt_names
[ alt_names ]
DNS.1 = host01.domain.yandex.net
DNS.2 = host02.domain.yandex.net
DNS.3 = host03.domain.yandex.net
DNS.4 = localhost