feat: add zfs modules (#225)

- add zfs_core module to puppetfile (provides zfs/zpool provider) - add module to manage zfs Reviewed-on: https://git.query.consul/unkinben/puppet-prod/pulls/225
2025-03-29 22:31:02 +11:00
parent b95bcbd10a
commit d0eb4c078d
6 changed files with 318 additions and 0 deletions
@@ -0,0 +1,151 @@
+# manage zfs install/repos
+class zfs::install {
+
+  if $zfs::manage_repo {
+    case $facts['os']['family'] {
+      'RedHat': {
+        $baseurl = 'http://download.zfsonlinux.org'
+        $release = $facts['os']['release']['major'] ? {
+          '6'     => '6',
+          '7'     => $facts['os']['release']['full'] ? {
+            /^7\.[012]/ => '7',
+            default     => regsubst($facts['os']['release']['full'], '^7\.(\d+).*$', '7.\1'),
+          },
+          '8'     => $facts['os']['release']['full'] ? {
+            /^8\.4/ => '8.3',
+            default => regsubst($facts['os']['release']['full'], '^8\.(\d+).*$', '8.\1'),
+          },
+          default => regsubst($facts['os']['release']['full'], '^(\d\.\d+).*$', '\1'),
+        }
+
+        yumrepo { 'zfs':
+          baseurl => "${baseurl}/epel/${release}/\$basearch/",
+          descr   => "ZFS on Linux for EL${facts['os']['release']['major']} - dkms",
+          enabled => Integer($zfs::kmod_type == 'dkms'),
+          before  => Package[$zfs::package_name],
+        }
+
+        yumrepo { 'zfs-kmod':
+          baseurl => "${baseurl}/epel/${release}/kmod/\$basearch/",
+          descr   => "ZFS on Linux for EL${facts['os']['release']['major']} - kmod",
+          enabled => Integer($zfs::kmod_type == 'kabi'),
+        }
+
+        yumrepo { 'zfs-source':
+          baseurl => "${baseurl}/epel/${release}/SRPMS/",
+          descr   => "ZFS on Linux for EL${facts['os']['release']['major']} - Source",
+          enabled => 0,
+        }
+
+        yumrepo { 'zfs-testing':
+          baseurl => "${baseurl}/epel-testing/${release}/\$basearch/",
+          descr   => "ZFS on Linux for EL${facts['os']['release']['major']} - dkms - Testing",
+          enabled => 0,
+        }
+
+        yumrepo { 'zfs-testing-kmod':
+          baseurl => "${baseurl}/epel-testing/${release}/kmod/\$basearch/",
+          descr   => "ZFS on Linux for EL${facts['os']['release']['major']} - kmod - Testing",
+          enabled => 0,
+        }
+
+        yumrepo { 'zfs-testing-source':
+          baseurl => "${baseurl}/epel-testing/${release}/SRPMS/",
+          descr   => "ZFS on Linux for EL${facts['os']['release']['major']} - Testing Source",
+          enabled => 0,
+        }
+      }
+      default: {
+        # noop
+      }
+    }
+  }
+
+  # Handle these dependencies separately as they shouldn't be guarded by
+  # `$zfs::manage_repo`
+  case $facts['os']['family'] {
+    'RedHat': {
+      case $zfs::kmod_type {
+        'dkms': {
+          # Puppet doesn't like managing multiple versions of the same package.
+          # By using the version in the name Yum will do the right thing
+          ensure_packages(["kernel-devel-${facts['kernelrelease']}"], {
+            ensure => present,
+            before => Package[$zfs::package_name],
+          })
+        }
+        default: {
+          # noop
+        }
+      }
+    }
+    'Debian': {
+      case $facts['os']['name'] {
+        'Ubuntu': {
+          # noop
+        }
+        default: {
+          ensure_packages(["linux-headers-${facts['kernelrelease']}", "linux-headers-${facts['os']['architecture']}"], {
+            before => Package[$zfs::package_name],
+          })
+        }
+      }
+    }
+    default: {
+      # noop
+    }
+  }
+
+  # This is to work around the broken Debian 9 packages. Upon install the
+  # zfs-mount.service is started first which is the only unit that doesn't
+  # have an "ExecStartPre=-/sbin/modprobe zfs" line so the package can never
+  # be installed!
+  if $facts['os']['name'] == 'Debian' and $facts['os']['release']['major'] == '9' {
+    exec { 'zfs systemctl daemon-reload':
+      command     => 'systemctl daemon-reload',
+      refreshonly => true,
+      path        => $facts['path'],
+    }
+
+    Exec['zfs systemctl daemon-reload'] -> Package[$zfs::package_name]
+
+    file { '/etc/systemd/system/zfs-mount.service.d':
+      ensure => directory,
+      owner  => 0,
+      group  => 0,
+      mode   => '0644',
+    }
+
+    file { '/etc/systemd/system/zfs-mount.service.d/override.conf':
+      ensure  => file,
+      owner   => 0,
+      group   => 0,
+      mode    => '0644',
+      content => @(EOS/L),
+        [Service]
+        ExecStartPre=-/sbin/modprobe zfs
+        | EOS
+      notify  => Exec['zfs systemctl daemon-reload'],
+    }
+  }
+
+  # These need to be done here so the kernel settings are present before the
+  # package is installed and potentially loading the kernel module
+  $config = delete_undef_values({
+    'zfs_arc_max' => $zfs::zfs_arc_max,
+    'zfs_arc_min' => $zfs::zfs_arc_min,
+  })
+
+  $config.each |$option,$value| {
+    kmod::option { "zfs ${option}":
+      module => 'zfs',
+      option => $option,
+      value  => $value,
+      before => Package[$zfs::package_name],
+    }
+  }
+
+  package { $zfs::package_name:
+    ensure => present,
+  }
+}