chore: explode workstation role in subroles

2 files changed, 37 insertions, 0 deletions

diff --git a/roles/_workstation/kernel/defaults/main.yml b/roles/_workstation/kernel/defaults/main.yml
new file mode 100644
index 0000000..6ef2ad2
--- /dev/null
+++ b/roles/_workstation/kernel/defaults/main.yml
@@ -0,0 +1,3 @@
+---
+
+kernel_sysctl_configuration_file: /etc/sysctl.conf
diff --git a/roles/_workstation/kernel/tasks/main.yml b/roles/_workstation/kernel/tasks/main.yml
new file mode 100644
index 0000000..3dc1e60
--- /dev/null
+++ b/roles/_workstation/kernel/tasks/main.yml
@@ -0,0 +1,34 @@
+---
+
+- name: create sysctl configuration file
+  ansible.builtin.file:
+    path: "{{ kernel_sysctl_configuration_file }}"
+    owner: 0
+    group: 0
+    mode: 0644
+
+- name: apply memory optimizations
+  ansible.builtin.blockinfile:
+    path: "{{ kernel_sysctl_configuration_file }}"
+    block: |
+      kern.shminfo.shmall=3145728
+      kern.shminfo.shmmax=1073741823
+      kern.shminfo.shmmni=1024
+      kern.shminfo.shmseg=1024
+      kern.seminfo.semmns=4096
+      kern.seminfo.semmni=1024
+    marker_begin: "memory - BEGIN"
+    marker_end: "memory - END"
+
+- name: apply process optimizations
+  ansible.builtin.blockinfile:
+    path: "{{ kernel_sysctl_configuration_file }}"
+    block: |
+      kern.maxfiles=102400
+      kern.maxproc=32768
+      kern.maxfiles=65535
+      kern.bufcachepercent=90
+      kern.maxvnodes=262144
+      kern.somaxconn=2048
+    marker_begin: "process - BEGIN"
+    marker_end: "process - END"