Merge branch '575-remove-rsyslogd-syslog-ng-and-logrotate' into 'master'

Resolve "Remove rsyslogd and syslog-ng"

Closes #575

See merge request openappstack/openappstack!279

ansible/group_vars/all/oas.yml

@@ -2,8 +2,6 @@
 configuration_directory: "/etc/OpenAppStack"
 # Directory to store generated configuration and cluster state.
 data_directory: "/var/lib/OpenAppStack"
-# Directory to store logs.
-log_directory: "/var/log/OpenAppStack"
 
 # Use python3 on cluster nodes for ansible
 ansible_python_interpreter: "/usr/bin/env python3"

ansible/roles/additional_config/files/etc/logrotate.d/OpenAppStack

-/var/log/OpenAppStack/ {
-  weekly
-  rotate 4
-  create
-}

ansible/roles/additional_config/tasks/logging.yml

----
-- name: Logrotate config for OAS logs
-  copy:
-    src: etc/logrotate.d/OpenAppStack
-    dest: /etc/logrotate.d/
-    mode: '0644'

ansible/roles/additional_config/tasks/main.yml

 ---
-- import_tasks: logging.yml
 - import_tasks: dns.yml

ansible/roles/configure/handlers/main.yml

+---
+- name: restart-journald
+  service:
+    name: systemd-journald
+    state: restarted

ansible/roles/configure/tasks/journald.yml

+---
+
+- name: Ensure journald directories
+  file:
+    path: '{{ item }}'
+    state: directory
+  with_items:
+    - /var/log/journal
+    - /etc/systemd/journald.conf.d
+
+- name: Configure journald size limits
+  template:
+    dest: /etc/systemd/journald.conf.d/size-limits.conf
+    src: journald.conf
+  notify: restart-journald

ansible/roles/configure/tasks/main.yml

 ---
 
+- name: Configure journald
+  import_tasks: journald.yml
+
 - name: Update apt packages cache and install needed packages
   # apt-transport-https is needed for docker apt repo
   # curl and git is needed for helm plugin install
@@ -20,6 +23,19 @@
     cache_valid_time: 86400
     update_cache: yes
 
+- name: Remove unwanted packages
+  tags:
+    - package
+  package:
+    state: absent
+    name: "{{ item }}"
+  with_items:
+    # In order to save disk space we remove traditional syslog packages
+    # and only rely on systemd journald
+    # see https://open.greenhost.net/openappstack/openappstack/-/issues/575
+    - rsyslog
+    - syslog-ng
+
 - name: Install python deps
   tags:
     - package
@@ -57,13 +73,6 @@
     src: /snap/bin/kubectl
     dest: /usr/local/bin/kubectl
 
-- name: Remove old helm snap installation
-  tags:
-    - helm
-  command: snap remove helm
-  args:
-    removes: /snap/bin/helm
-
 - name: Get current helm version
   tags:
     - helm

ansible/roles/configure/templates/journald.conf

+# https://www.freedesktop.org/software/systemd/man/journald.conf.html
+[Journal]
+Storage=persistent
+SystemMaxUse=400M
+SystemMaxFileSize=30M
+RuntimeMaxUse=250M
+RuntimeMaxFileSize=30M

ansible/roles/finalize/tasks/sync_cluster_data.yml

@@ -11,7 +11,5 @@
   loop:
     - src: "{{ data_directory }}/rke/kube_config_cluster.yml"
       dest: "{{ cluster_dir }}/secrets/kube_config_cluster.yml"
-    - src: "{{ log_directory }}/rke.log"
-      dest: "{{ cluster_dir }}/cluster_data/rke.log"
     - src: "{{ data_directory }}/rke/cluster.yml"
       dest: "{{ cluster_dir }}/cluster_data/rke_cluster.yml"

ansible/roles/get_control/tasks/main.yml

@@ -10,7 +10,6 @@
     - "{{ data_directory }}"
     - "{{ data_directory }}/ssh"
     - "{{ data_directory }}/rke"
-    - "{{ log_directory }}"
     - "/usr/local/share/bash-completion/completions"
 
 - name: Create directory for values

ansible/roles/setup/tasks/rke.yml

@@ -11,7 +11,7 @@
 - name: Build Cluster
   tags:
     - rke
-  shell: /usr/local/bin/rke up --config={{ data_directory }}/rke/cluster.yml >> {{ log_directory }}/rke.log
+  shell: /usr/local/bin/rke up --config={{ data_directory }}/rke/cluster.yml | systemd-cat -t rke
 
 - name: Ensure /root/.kube directory
   tags: