Merge pull request #18 from latchbio/maximsmol/swap

upgrade ubuntu + enable swap
latchbio · Aug 30, 2024 · 619b6bd · 619b6bd
2 parents 7986303 + 69cb9f6
commit 619b6bd
Showing 1 changed file with 28 additions and 0 deletions.
diff --git a/sysbox-eks.pkr.hcl b/sysbox-eks.pkr.hcl
@@ -99,6 +99,22 @@ build {
     "source.amazon-ebs.ubuntu-eks",
   ]
 
+  provisioner "shell" {
+    inline_shebang = "/usr/bin/env bash"
+    inline = [
+      "set -o pipefail -o errexit",
+
+      "echo '>>> Use cgroup2'",
+      "sudo sed --in-place 's/GRUB_CMDLINE_LINUX_DEFAULT=\"console=tty1 console=ttyS0 nvme_core.io_timeout=4294967295\"/GRUB_CMDLINE_LINUX_DEFAULT=\"console=tty1 console=ttyS0 nvme_core.io_timeout=4294967295 systemd.unified_cgroup_hierarchy=1\"/g' /etc/default/grub.d/50-cloudimg-settings.cfg",
+      "sudo update-grub",
+      "sudo systemctl reboot"
+    ]
+
+    expect_disconnect = true
+    skip_clean        = true
+    pause_after       = "10s"
+  }
+
   provisioner "shell" {
     inline_shebang = "/usr/bin/env bash"
     inline = [
@@ -299,6 +315,7 @@ build {
   }
 
   provisioner "file" {
+    # reference: https://github.com/awslabs/amazon-eks-ami/blob/main/templates/al2/runtime/bootstrap.sh
     source      = "bootstrap.sh.patch"
     destination = "/home/ubuntu/bootstrap.sh.patch"
   }
@@ -434,4 +451,15 @@ build {
     ]
   }
 
+  provisioner "shell" {
+    inline_shebang = "/usr/bin/env bash"
+    inline = [
+      "set -o pipefail -o errexit",
+
+      "echo '>>> Patching kubelet config'",
+      "sudo dasel put bool --parser json --file /etc/kubernetes/kubelet/kubelet-config.json --selector 'failSwapOn' false",
+      "sudo dasel put bool --parser json --file /etc/kubernetes/kubelet/kubelet-config.json --selector 'featureGates.NodeSwap' true",
+      "sudo dasel put string --parser json --file /etc/kubernetes/kubelet/kubelet-config.json --selector 'memorySwap.swapBehavior' 'UnlimitedSwap'",
+    ]
+  }
 }