library/roles/zulip: Add a basic zulip role. It only downloads the distribution. Installation and configuration are scripted and interactive.

zulip/defaults/main.yml

@@ -0,0 +1,7 @@
+---
+zulip_install: False
+zulip_download_url: 'https://www.zulip.com/dist/releases/{{ zulip_distrib_file }}'
+zulip_distrib_file: zulip-server-latest.tar.gz
+zulip_ssl_cert_file: /etc/ssl/certs/zulip.combined-chain.crt
+zulip_ssl_key_file: /etc/ssl/private/zulip.key
+

zulip/tasks/main.yml

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+---
+- block:
+    - name: Unpack the zulip distribution
+      unarchive: src={{ zulip_download_url }} dest=/srv remote_src=yes
+
+    - name: Setup a link for the ssl certificate file
+      file: src={{ letsencrypt_acme_certs_dir }}/fullchain dest={{ zulip_ssl_cert_file }} state=link
+      when: letsencrypt_acme_install
+
+    - name: Setup a link for the ssl key file
+      file: src={{ letsencrypt_acme_certs_dir }}/privkey dest={{ zulip_ssl_key_file }} state=link
+      when: letsencrypt_acme_install
+
+  when: zulip_install
+  tags: [ 'zulip' ]
+