[pve-devel] [PATCH qemu-server 4/6] api2: add cloudinit config api

[Alexandre Derumier <aderumier@odiso.com>]

---
 PVE/API2/Qemu.pm            | 73 +++++++++++++++++++++++++++++++++++++
 PVE/CLI/qm.pm               |  1 +
 PVE/QemuServer/Cloudinit.pm | 70 +++++++++++++++++++++++++++++++++++
 3 files changed, 144 insertions(+)

diff --git a/PVE/API2/Qemu.pm b/PVE/API2/Qemu.pm
index ea74c69..b6122fe 100644
--- a/PVE/API2/Qemu.pm
+++ b/PVE/API2/Qemu.pm
@@ -21,6 +21,7 @@ use PVE::ReplicationConfig;
 use PVE::GuestHelpers;
 use PVE::QemuConfig;
 use PVE::QemuServer;
+use PVE::QemuServer::Cloudinit;
 use PVE::QemuServer::Drive;
 use PVE::QemuServer::CPUConfig;
 use PVE::QemuServer::Monitor qw(mon_cmd);
@@ -1039,6 +1040,78 @@ __PACKAGE__->register_method({
 	return PVE::GuestHelpers::config_with_pending_array($conf, $pending_delete_hash);
    }});
 
+__PACKAGE__->register_method({
+    name => 'cloudinit_pending',
+    path => '{vmid}/cloudinit',
+    method => 'GET',
+    proxyto => 'node',
+    description => "Get the cloudinit configuration with both current and pending values.",
+    permissions => {
+	check => ['perm', '/vms/{vmid}', [ 'VM.Audit' ]],
+    },
+    parameters => {
+	additionalProperties => 0,
+	properties => {
+	    node => get_standard_option('pve-node'),
+	    vmid => get_standard_option('pve-vmid', { completion => \&PVE::QemuServer::complete_vmid }),
+	},
+    },
+    returns => {
+	type => "array",
+	items => {
+	    type => "object",
+	    properties => {
+		key => {
+		    description => "Configuration option name.",
+		    type => 'string',
+		},
+		value => {
+		    description => "Current value.",
+		    type => 'string',
+		    optional => 1,
+		},
+		pending => {
+		    description => "Pending value.",
+		    type => 'string',
+		    optional => 1,
+		},
+		delete => {
+		    description => "Indicates a pending delete request if present and not 0. " .
+		                   "The value 2 indicates a force-delete request.",
+		    type => 'integer',
+		    minimum => 0,
+		    maximum => 2,
+		    optional => 1,
+		},
+	    },
+	},
+    },
+    code => sub {
+	my ($param) = @_;
+
+	my $vmid = $param->{vmid};
+	my $conf = PVE::QemuConfig->load_config($vmid);
+
+	if( defined($conf->{cipassword}) && 
+	    defined($conf->{cloudinit}->{cipassword}) && 
+	    $conf->{cipassword} ne $conf->{cloudinit}->{cipassword}) {
+	    $conf->{cipassword} = '********** ';
+	} elsif (defined($conf->{cipassword})) {
+	    $conf->{cipassword} = '**********';
+	}
+
+	$conf->{cloudinit}->{cipassword} = '**********' if defined($conf->{cloudinit}->{cipassword});
+
+	my $res = [];
+	my $pending = PVE::QemuServer::Cloudinit::get_pending_config($conf, $vmid);
+
+	foreach my $opt (keys %{$pending}) {
+	    push @$res, $pending->{$opt};
+	}
+
+	return $res;
+   }});
+
 # POST/PUT {vmid}/config implementation
 #
 # The original API used PUT (idempotent) an we assumed that all operations
diff --git a/PVE/CLI/qm.pm b/PVE/CLI/qm.pm
index f8972bd..e24b832 100755
--- a/PVE/CLI/qm.pm
+++ b/PVE/CLI/qm.pm
@@ -996,6 +996,7 @@ our $cmddef = {
 		my $data = shift;
 		print "$data\n";
 	    }],
+	pending => [ "PVE::API2::Qemu", 'cloudinit_pending', ['vmid'], { node => $nodename }, \&PVE::GuestHelpers::format_pending ]
     },
 
 };
diff --git a/PVE/QemuServer/Cloudinit.pm b/PVE/QemuServer/Cloudinit.pm
index f4bf925..20cf583 100644
--- a/PVE/QemuServer/Cloudinit.pm
+++ b/PVE/QemuServer/Cloudinit.pm
@@ -629,4 +629,74 @@ sub dump_cloudinit_config {
     }
 }
 
+sub get_pending_config {
+    my ($conf, $vmid) = @_;
+
+    my $newconf = { %{$conf} };
+    my $cloudinit_current = $newconf->{cloudinit};
+    my @cloudinit_opts = keys %{PVE::QemuServer::cloudinit_config_properties()};
+    push @cloudinit_opts, 'name';
+
+    #add cloud-init drive 
+    my $drives = {};
+    PVE::QemuConfig->foreach_volume($newconf, sub {
+	my ($ds, $drive) = @_;
+	$drives->{$ds} = 1 if PVE::QemuServer::drive_is_cloudinit($drive);
+    });
+
+    PVE::QemuConfig->foreach_volume($cloudinit_current, sub {
+	my ($ds, $drive) = @_;
+	$drives->{$ds} = 1 if PVE::QemuServer::drive_is_cloudinit($drive);
+    });
+    foreach my $ds (keys %{$drives}) {
+	push @cloudinit_opts, $ds;
+    }
+
+    $newconf->{name} = "VM$vmid" if !$newconf->{name};
+
+    my $print_net_addr = sub {
+	my ($conf, $opt, $netid) = @_;
+
+	if (defined($conf->{$netid})) {
+
+	    my $net = PVE::QemuServer::parse_net($conf->{$netid});
+	    if (defined($conf->{$opt})) {
+		$conf->{$opt} .= ",macaddr=".$net->{macaddr} if $net->{macaddr};
+	    } else {
+		$conf->{$opt} = "";
+	    }
+	}
+    };
+
+    my $res = {};
+    foreach my $opt (@cloudinit_opts) {
+
+	#add macaddr to ipconfig
+	if ($opt =~ m/^ipconfig(\d+)/) {
+	    my $netid = "net$1";
+	    next if !defined($newconf->{$netid}) && !defined($cloudinit_current->{$netid}) && !defined($newconf->{$opt}) && !defined($cloudinit_current->{$opt} );
+
+	    &$print_net_addr($newconf, $opt, $netid);
+	    &$print_net_addr($cloudinit_current, $opt, $netid);
+	}
+
+	my $item = {
+	    key => $opt,
+	};
+	if ($cloudinit_current->{$opt}) {
+	    $item->{value} = $cloudinit_current->{$opt};
+	    if ($newconf->{$opt}) {
+		$item->{pending} = $newconf->{$opt} if $newconf->{$opt} ne $cloudinit_current->{$opt};
+	    } else {
+		$item->{delete} = 1;
+	    }
+	} else {
+	    $item->{pending} = $newconf->{$opt} if $newconf->{$opt}
+	}
+
+	$res->{$opt} = $item;
+   }
+   return $res;
+}
+
 1;
-- 
2.20.1