From 5c1542a8f1837ef0b5dfd2ca6c60259474c219aa Mon Sep 17 00:00:00 2001
From: Martin Braun <braun@neuroforge.de>
Date: Sun, 13 Nov 2022 10:39:20 +0100
Subject: [PATCH] Update main.yml

---
 .../tasks/main.yml                            | 48 ++++++++++---------
 1 file changed, 26 insertions(+), 22 deletions(-)

diff --git a/swarmsible-hetzner/roles/docker-swarm-hetzner-worker-servers/tasks/main.yml b/swarmsible-hetzner/roles/docker-swarm-hetzner-worker-servers/tasks/main.yml
index 4474eef..08fd805 100644
--- a/swarmsible-hetzner/roles/docker-swarm-hetzner-worker-servers/tasks/main.yml
+++ b/swarmsible-hetzner/roles/docker-swarm-hetzner-worker-servers/tasks/main.yml
@@ -1,23 +1,27 @@
-- name: create worker servers
-  hcloud_server:
-    api_token: "{{ hcloud_token }}"
-    name: "worker-{{ item }}"
-    server_type: "{{ swarmsible_hetzner_worker_server_type }}"
-    image: "{{ swarmsible_hetzner_server_image }}"
-    location: "{{ swarmsible_hetzner_server_location }}"
-    ssh_keys: 
-      - "{{ swarmsible_swarmsible_hetzner_ansible_root_ssh_key_name }}"
-    labels:
-      swarm_role: "worker"
-    state: present
-  register: worker_servers
-  with_sequence: start=1 end={{ swarmsible_hetzner_worker_count }}
+- when: swarmsible_hetzner_worker_count | int > 0
+  block:
+  - name: create worker servers
+    hcloud_server:
+      api_token: "{{ hcloud_token }}"
+      name: "worker-{{ item }}"
+      server_type: "{{ swarmsible_hetzner_worker_server_type }}"
+      image: "{{ swarmsible_hetzner_server_image }}"
+      location: "{{ swarmsible_hetzner_server_location }}"
+      ssh_keys: 
+        - "{{ swarmsible_swarmsible_hetzner_ansible_root_ssh_key_name }}"
+      labels:
+        swarm_role: "worker"
+      state: present
+    register: worker_servers
+    # hack. condition on block against this though
+    with_sequence: start=1 end={{ swarmsible_hetzner_worker_count if swarmsible_hetzner_worker_count | int > 0 else 1 }}
 
-- name: Attach workers to server network
-  hcloud_server_network:
-    api_token: "{{ hcloud_token }}"
-    network: "{{ swarmsible_hetzner_swarm_network_name }}"
-    server: "worker-{{ item }}"
-    ip: "192.168.2.{{ (item | int) + 1 }}"
-    state: present
-  with_sequence: start=1 end={{ swarmsible_hetzner_worker_count }}
\ No newline at end of file
+  - name: Attach workers to server network
+    hcloud_server_network:
+      api_token: "{{ hcloud_token }}"
+      network: "{{ swarmsible_hetzner_swarm_network_name }}"
+      server: "worker-{{ item }}"
+      ip: "192.168.2.{{ (item | int) + 1 }}"
+      state: present
+    # hack. condition on block against this though
+    with_sequence: start=1 end={{ swarmsible_hetzner_worker_count if swarmsible_hetzner_worker_count | int > 0 else 1 }}