feat: manage proxmox nodes

- change /etc/hosts to meet proxmox requirements
- add proxmox node role
- add init, params, repo, install, clusterjoin classes

modules/libs/lib/facter/is_pveceph_mgr.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+require 'facter'
+
+Facter.add('is_pveceph_mgr') do
+  confine enc_role: 'roles::infra::proxmox::node'
+  setcode do
+    system('pgrep -x ceph-mgr > /dev/null 2>&1')
+  end
+end

modules/libs/lib/facter/is_pveceph_mon.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+require 'facter'
+
+Facter.add('is_pveceph_mon') do
+  confine enc_role: 'roles::infra::proxmox::node'
+  setcode do
+    system('pgrep -x ceph-mon > /dev/null 2>&1')
+  end
+end

modules/libs/lib/facter/pve_ceph_config.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+require 'facter'
+
+Facter.add('ceph_global_config') do
+  confine enc_role: 'roles::infra::proxmox::node'
+  setcode do
+    config_file = '/etc/pve/ceph.conf'
+    config_hash = {}
+    in_global_section = false
+
+    if File.exist?(config_file)
+      File.readlines(config_file).each do |line|
+        line.strip!
+        # Detect the [global] section and set flag
+        if line == '[global]'
+          in_global_section = true
+          next
+        end
+
+        # Exit the loop once we're out of the global section
+        break if line.start_with?('[') && in_global_section
+
+        # Parse key-value pairs if we are in the global section
+        if in_global_section && line.include?('=')
+          key, value = line.split('=', 2).map(&:strip)
+          config_hash[key] = value
+        end
+      end
+    end
+
+    config_hash
+  end
+end

modules/libs/lib/facter/pve_ceph_initialised.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+require 'facter'
+
+Facter.add('pve_ceph_initialised') do
+  confine enc_role: 'roles::infra::proxmox::node'
+  setcode do
+    File.exist?('/etc/pve/ceph.conf')
+  end
+end

modules/libs/lib/facter/pve_cluster.rb

@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+require 'facter'
+
+Facter.add('pve_cluster') do
+  confine enc_role: 'roles::infra::proxmox::node'
+  setcode do
+    conf_file = '/etc/pve/corosync.conf'
+    totem_details = {}
+    in_totem_section = false
+
+    if File.exist?(conf_file)
+      File.foreach(conf_file) do |line|
+        if line =~ /^\s*totem\s*\{/
+          in_totem_section = true
+        elsif line =~ /^\s*\}/ && in_totem_section
+          break
+        elsif in_totem_section && line =~ /^\s*(\w+):\s*(.+)$/
+          key = Regexp.last_match(1).strip
+          value = Regexp.last_match(2).strip
+          totem_details[key] = value
+        end
+      end
+    end
+
+    totem_details.empty? ? nil : totem_details
+  end
+end

modules/libs/lib/facter/pve_cluster_member.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+require 'facter'
+
+Facter.add('pve_cluster_member') do
+  confine enc_role: 'roles::infra::proxmox::node'
+  setcode do
+    if Facter::Util::Resolution.which('pvesh')
+      cluster_status = `pvesh get /cluster/status --output-format json`
+      if cluster_status.empty?
+        false
+      else
+        require 'json'
+        status = JSON.parse(cluster_status)
+        !status.empty?
+      end
+    else
+      false
+    end
+  end
+end

modules/libs/lib/facter/pve_nodelist.rb

@@ -0,0 +1,35 @@
+# frozen_string_literal: true
+
+require 'facter'
+
+Facter.add('pve_nodelist') do
+  confine enc_role: 'roles::infra::proxmox::node'
+  setcode do
+    conf_file = '/etc/pve/corosync.conf'
+    node_list = {}
+    current_node = nil
+    # rubocop:disable Metrics/BlockNesting
+
+    if File.exist?(conf_file)
+      File.foreach(conf_file) do |line|
+        if line =~ /^\s*node\s*\{/
+          current_node = {}
+        elsif line =~ /^\s*\}/
+          if current_node
+            node_name = current_node['name']
+            node_list[node_name] = current_node if node_name
+            current_node = nil
+          end
+        elsif current_node && line =~ /^\s*(\w+):\s*(.+)$/
+          key = Regexp.last_match(1).strip
+          value = Regexp.last_match(2).strip
+          current_node[key] = value
+        end
+      end
+    end
+
+    # rubocop:enable Metrics/BlockNesting
+
+    node_list.empty? ? nil : node_list
+  end
+end

modules/libs/lib/facter/pve_nodes_active.rb

@@ -0,0 +1,17 @@
+# frozen_string_literal: true
+
+require 'facter'
+
+Facter.add('pve_nodes_active') do
+  confine enc_role: 'roles::infra::proxmox::node'
+  setcode do
+    if Facter::Util::Resolution.which('pvesh')
+      proxmox_nodes = `pvesh get /nodes --output-format json`
+      unless proxmox_nodes.empty?
+        require 'json'
+        nodes = JSON.parse(proxmox_nodes)
+        nodes.count
+      end
+    end
+  end
+end