Fix startup

tasks/main.yml

@@ -7,6 +7,8 @@
     - ansible_python_version is version_compare('2.6.0', '>=')
     - ansible_python_version is version_compare('2.7.9', '<')
 
+- import_tasks: preflight.yml
+
 - include_tasks: install-server.yml
   when: minio_install_server
 

tasks/preflight.yml

@@ -0,0 +1,26 @@
+---
+- name: Validate access key
+  fail:
+    msg: "minio_access_key is set but must be at least three characters"
+  when: minio_access_key|length < 3 and minio_access_key|length != 0
+
+- name: Validate secret key
+  fail:
+    msg: "minio_secret_key is set but must be at least 8 characters"
+  when: minio_secret_key|length < 8 and minio_secret_key|length != 0
+
+- name: Setup __minio_volumes (cluster context)
+  set_fact:
+    __minio_volumes: "{{ minio_server_cluster_nodes | join(' ') }}"
+  when:
+    minio_server_cluster_nodes|length > 0
+
+- name: Setup __minio_volumes (single node)
+  set_fact:
+    __minio_volumes: "{{ minio_server_datadirs | join(' ') }}"
+  when: minio_server_datadirs|length > 0 and minio_server_cluster_nodes|length == 0
+
+- name: Validate __minio_volumes
+  fail:
+    msg: "Please set minio_server_cluster_nodes or minio_server_datadirs"
+  when: __minio_volumes|length == 0

templates/minio.env.j2

@@ -1,11 +1,8 @@
 {{ ansible_managed | comment }}
 
 # Minio local/remote volumes.
-{% if minio_server_cluster_nodes | length > 0 %}
-MINIO_VOLUMES="{{ minio_server_cluster_nodes | join(' ') }}"
-{% else %}
-MINIO_VOLUMES="{{ minio_server_datadirs | join(' ') }}"
-{% endif %}
+MINIO_VOLUMES="{{ __minio_volumes }}"
+
 # Minio cli options.
 MINIO_OPTS="--address {{ minio_server_addr }} {{ minio_server_opts }}"
 

templates/minio.service.j2

@@ -20,7 +20,7 @@ Group={{ minio_group }}
 PermissionsStartOnly=true
 
 EnvironmentFile={{ minio_server_envfile }}
-ExecStartPre=/bin/bash -c "[ -n \"${MINIO_VOLUMES}\" ] || echo \"Variable MINIO_VOLUMES not set in {{ minio_server_envfile }}\""
+#ExecStartPre=/bin/bash -c "[ -n \"${MINIO_VOLUMES}\" ] || echo \"Variable MINIO_VOLUMES not set in {{ minio_server_envfile }}\""
 
 ExecStart={{ minio_server_bin }} server $MINIO_OPTS $MINIO_VOLUMES