[pve-devel] [PATCH pve-network v3 1/3] ipam: nautobot: base plugin

* [pve-devel] [PATCH pve-network v3 1/3] ipam: nautobot: base plugin
       [not found] <20250306110831.6426-1-lou.lecrivain@orange.fr>
@ 2025-03-06 11:08 ` lou.lecrivain--- via pve-devel
  2025-03-06 11:08 ` [pve-devel] [PATCH pve-network v3 2/3] ipam: nautobot: add testing for nautobot plugin lou.lecrivain--- via pve-devel
                   ` (5 subsequent siblings)
  6 siblings, 0 replies; 9+ messages in thread
From: lou.lecrivain--- via pve-devel @ 2025-03-06 11:08 UTC (permalink / raw)
  To: pve-devel; +Cc: lou.lecrivain, jonatan.crystall

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From: lou.lecrivain@orange.fr
To: pve-devel@lists.proxmox.com
Cc: h.duerr@proxmox.com, jonatan.crystall@gwdg.de, Lou Lecrivain <lou.lecrivain@wdz.de>
Subject: [PATCH pve-network v3 1/3] ipam: nautobot: base plugin
Date: Thu,  6 Mar 2025 12:08:29 +0100
Message-ID: <20250306110831.6426-2-lou.lecrivain@orange.fr>

From: Lou Lecrivain <lou.lecrivain@wdz.de>

This is the initial Nautobot plugin, based on the Netbox
plugin implementation.

Signed-off-by: lou lecrivain <lou.lecrivain@wdz.de>
---
 src/PVE/API2/Network/SDN/Ipams.pm           |   1 +
 src/PVE/Network/SDN/Ipams.pm                |   3 +
 src/PVE/Network/SDN/Ipams/Makefile          |   2 +-
 src/PVE/Network/SDN/Ipams/NautobotPlugin.pm | 413 ++++++++++++++++++++
 4 files changed, 418 insertions(+), 1 deletion(-)
 create mode 100644 src/PVE/Network/SDN/Ipams/NautobotPlugin.pm

diff --git a/src/PVE/API2/Network/SDN/Ipams.pm b/src/PVE/API2/Network/SDN/Ipams.pm
index 27ead02..8074512 100644
--- a/src/PVE/API2/Network/SDN/Ipams.pm
+++ b/src/PVE/API2/Network/SDN/Ipams.pm
@@ -12,6 +12,7 @@ use PVE::Network::SDN::Ipams::Plugin;
 use PVE::Network::SDN::Ipams::PVEPlugin;
 use PVE::Network::SDN::Ipams::PhpIpamPlugin;
 use PVE::Network::SDN::Ipams::NetboxPlugin;
+use PVE::Network::SDN::Ipams::NautobotPlugin;
 use PVE::Network::SDN::Dhcp;
 use PVE::Network::SDN::Vnets;
 use PVE::Network::SDN::Zones;
diff --git a/src/PVE/Network/SDN/Ipams.pm b/src/PVE/Network/SDN/Ipams.pm
index c689b8f..2ecb75e 100644
--- a/src/PVE/Network/SDN/Ipams.pm
+++ b/src/PVE/Network/SDN/Ipams.pm
@@ -12,11 +12,14 @@ use PVE::Network;
 
 use PVE::Network::SDN::Ipams::PVEPlugin;
 use PVE::Network::SDN::Ipams::NetboxPlugin;
+use PVE::Network::SDN::Ipams::NautobotPlugin;
 use PVE::Network::SDN::Ipams::PhpIpamPlugin;
 use PVE::Network::SDN::Ipams::Plugin;
 
+
 PVE::Network::SDN::Ipams::PVEPlugin->register();
 PVE::Network::SDN::Ipams::NetboxPlugin->register();
+PVE::Network::SDN::Ipams::NautobotPlugin->register();
 PVE::Network::SDN::Ipams::PhpIpamPlugin->register();
 PVE::Network::SDN::Ipams::Plugin->init();
 
diff --git a/src/PVE/Network/SDN/Ipams/Makefile b/src/PVE/Network/SDN/Ipams/Makefile
index 4e7d65f..75e5b9a 100644
--- a/src/PVE/Network/SDN/Ipams/Makefile
+++ b/src/PVE/Network/SDN/Ipams/Makefile
@@ -1,4 +1,4 @@
-SOURCES=Plugin.pm PhpIpamPlugin.pm NetboxPlugin.pm PVEPlugin.pm
+SOURCES=Plugin.pm PhpIpamPlugin.pm NetboxPlugin.pm PVEPlugin.pm NautobotPlugin.pm
 
 
 PERL5DIR=${DESTDIR}/usr/share/perl5
diff --git a/src/PVE/Network/SDN/Ipams/NautobotPlugin.pm b/src/PVE/Network/SDN/Ipams/NautobotPlugin.pm
new file mode 100644
index 0000000..58f7c68
--- /dev/null
+++ b/src/PVE/Network/SDN/Ipams/NautobotPlugin.pm
@@ -0,0 +1,413 @@
+package PVE::Network::SDN::Ipams::NautobotPlugin;
+
+use strict;
+use warnings;
+use PVE::INotify;
+use PVE::Cluster;
+use PVE::Tools;
+use NetAddr::IP;
+
+use base('PVE::Network::SDN::Ipams::Plugin');
+
+sub type {
+    return 'nautobot';
+}
+
+sub properties {
+    return {
+	namespace => {
+	    type => 'string',
+	},
+    };
+}
+
+sub options {
+    return {
+	url => { optional => 0 },
+	token => { optional => 0 },
+	namespace => { optional => 0 },
+    };
+}
+
+sub default_ip_status {
+    return 'Active';
+}
+
+sub default_headers {
+    my ($plugin_config) = @_;
+    my $token = $plugin_config->{token};
+
+    return [
+	'Content-Type' => "application/json", 'Authorization' => "token $token",
+	'Accept' => "application/json"
+	];
+}
+
+# implem
+
+sub add_subnet {
+    my ($class, $plugin_config, undef, $subnet, $noerr) = @_;
+
+    my $cidr = $subnet->{cidr};
+    my $gateway = $subnet->{gateway};
+    my $url = $plugin_config->{url};
+    my $namespace = $plugin_config->{namespace};
+    my $headers = default_headers($plugin_config);
+
+    my $internalid = get_prefix_id($url, $cidr, $headers, $noerr);
+
+    #create subnet
+    if (!$internalid) {
+	my $params = {
+	    prefix => $cidr, namespace => $namespace,
+	    status => default_ip_status()
+	};
+
+	eval {
+	    my $result = PVE::Network::SDN::api_request(
+		"POST", "$url/ipam/prefixes/", $headers, $params);
+	};
+	if ($@) {
+	    die "error adding subnet to ipam: $@" if !$noerr;
+	}
+    }
+}
+
+sub del_subnet {
+    my ($class, $plugin_config, $subnetid, $subnet, $noerr) = @_;
+
+    my $cidr = $subnet->{cidr};
+    my $url = $plugin_config->{url};
+    my $headers = default_headers($plugin_config);
+
+    my $internalid = get_prefix_id($url, $cidr, $headers, $noerr);
+    return if !$internalid;
+
+    # TODO check that prefix is empty before deletion
+    return;
+
+    eval {
+	PVE::Network::SDN::api_request(
+	    "DELETE", "$url/ipam/prefixes/$internalid/", $headers);
+    };
+    if ($@) {
+	die "error deleting subnet in Nautobot: $@" if !$noerr;
+    }
+}
+
+sub add_ip {
+    my ($class, $plugin_config, undef, $subnet, $ip, $hostname, $mac, undef,
+	$is_gateway, $noerr) = @_;
+
+    my $mask = $subnet->{mask};
+    my $url = $plugin_config->{url};
+    my $namespace = $plugin_config->{namespace};
+    my $headers = default_headers($plugin_config);
+
+    my $description = undef;
+    if ($is_gateway) {
+	$description = 'gateway'
+    } elsif ($mac) {
+	$description = "mac:$mac";
+    }
+
+    my $params = {
+	address => "$ip/$mask", type => "dhcp", dns_name => $hostname,
+	description => $description, namespace => $namespace,
+	status => default_ip_status()};
+
+    eval {
+	PVE::Network::SDN::api_request(
+	    "POST", "$url/ipam/ip-addresses/", $headers, $params);
+    };
+
+    if ($@) {
+	if($is_gateway) {
+	    die "error adding subnet ip to ipam: ip $ip already exists: $@"
+		if !$noerr && !is_ip_gateway($url, $ip, $headers, $noerr);
+	} else {
+	    die "error adding subnet ip to ipam: ip $ip already exists: $@"
+		if !$noerr;
+	}
+    }
+}
+
+sub add_next_freeip {
+    my ($class, $plugin_config, undef, $subnet, $hostname, $mac, undef,
+	$noerr) = @_;
+
+    my $cidr = $subnet->{cidr};
+
+    my $url = $plugin_config->{url};
+    my $namespace = $plugin_config->{namespace};
+    my $headers = default_headers($plugin_config);
+
+    my $internalid = get_prefix_id($url, $cidr, $headers, $noerr);
+    die "cannot find prefix $cidr in Nautobot" if !$internalid;
+
+    my $description = undef;
+    $description = "mac:$mac" if $mac;
+
+    my $params = {
+	type => "dhcp", dns_name => $hostname, description => $description,
+	namespace => $namespace, status => default_ip_status()
+    };
+
+    my $ip = eval {
+	my $result = PVE::Network::SDN::api_request(
+	    "POST",
+	    "$url/ipam/prefixes/$internalid/available-ips/",
+	    $headers,
+	    $params);
+	my ($host_ip, undef) = split(/\//, $result->{address});
+	return $host_ip;
+    };
+
+    if ($@) {
+	die "can't find free ip in subnet $cidr: $@" if !$noerr;
+    }
+    return $ip;
+}
+
+sub add_range_next_freeip {
+    my ($class, $plugin_config, $subnet, $range, $data, $noerr) = @_;
+
+    my $url = $plugin_config->{url};
+    my $namespace = $plugin_config->{namespace};
+    my $headers = default_headers($plugin_config);
+    my $cidr = $subnet->{cidr};
+
+    # ranges are not supported natively in nautobot, hence why we have
+    # to get a little hacky.
+    my $minimal_size = NetAddr::IP->new($range->{'start-address'})
+	- NetAddr::IP->new($cidr);
+    my $internalid = get_prefix_id($url, $cidr, $headers, $noerr);
+
+    my $ip = eval {
+	my $result = PVE::Network::SDN::api_request(
+	    "GET",
+	    "$url/ipam/prefixes/$internalid/available-ips/?limit=$minimal_size",
+	    $headers);
+	# v important for NetAddr::IP comparison!
+	my @ips = map((split(/\//,$_->{address}))[0], @{$result});
+	# get 1st result
+	my $found_ip = (get_ips_within_range(
+		      $range->{'start-address'},
+		      $range->{'end-address'},
+		      @ips))[0];
+
+	die "prefix out of space in range" if !$noerr && !$found_ip;
+
+	$class->add_ip(
+	    $plugin_config, undef, $subnet, $found_ip, $data->{hostname},
+	    $data->{mac}, undef, 0, 0);
+	return $found_ip;
+    };
+
+    if ($@) {
+	die "can't find free ip in range"
+	    ." $range->{'start-address'}-$range->{'end-address'}: $@"
+	    if !$noerr;
+    }
+    return $ip;
+}
+
+
+sub update_ip {
+    my ($class, $plugin_config, $subnetid, $subnet, $ip, $hostname, $mac,
+	undef, $is_gateway, $noerr) = @_;
+
+    my $mask = $subnet->{mask};
+    my $url = $plugin_config->{url};
+    my $namespace = $plugin_config->{namespace};
+    my $headers = default_headers($plugin_config);
+
+    my $description = undef;
+    if ($is_gateway) {
+	$description = 'gateway'
+    } elsif ($mac) {
+	$description = "mac:$mac";
+    }
+
+    my $params = {
+	address => "$ip/$mask", type => "dhcp", dns_name => $hostname,
+	description => $description, namespace => $namespace,
+	status => default_ip_status()
+    };
+
+    my $ip_id = get_ip_id($url, $ip, $headers, $noerr);
+    die "can't find ip $ip in ipam" if !$noerr && !$ip_id;
+
+    eval {
+	PVE::Network::SDN::api_request(
+	    "PATCH", "$url/ipam/ip-addresses/$ip_id/", $headers, $params);
+    };
+    if ($@) {
+	die "error updating ip $ip: $@" if !$noerr;
+    }
+}
+
+
+sub del_ip {
+    my ($class, $plugin_config, undef, undef, $ip, $noerr) = @_;
+
+    return if !$ip;
+
+    my $url = $plugin_config->{url};
+    my $headers = default_headers($plugin_config);
+
+    my $ip_id = get_ip_id($url, $ip, $headers, $noerr);
+    die "can't find ip $ip in ipam" if !$ip_id && !$noerr;
+
+    eval {
+	PVE::Network::SDN::api_request(
+	    "DELETE", "$url/ipam/ip-addresses/$ip_id/", $headers);
+    };
+    if ($@) {
+	die "error deleting ip $ip : $@" if !$noerr;
+    }
+}
+
+
+sub verify_api {
+    my ($class, $plugin_config) = @_;
+
+    my $url = $plugin_config->{url};
+    my $namespace = $plugin_config->{namespace};
+    my $headers = default_headers($plugin_config);
+
+    # check that the namespace exists AND that default IP active status
+    # exists AND that we have indeed API access
+    eval {
+	get_namespace_id($url, $namespace, $headers, 0)
+	    // die "namespace $namespace does not exist";
+	get_status_id($url, default_ip_status(), $headers, 0)
+	    // die "default IP status ". default_ip_status() . " not found";
+    };
+    if ($@) {
+	die "Can't use nautobot api: $@";
+    }
+}
+
+sub get_ips_from_mac {
+    my ($class, $plugin_config, $mac) = @_;
+
+    my $url = $plugin_config->{url};
+    my $namespace = $plugin_config->{namespace};
+    my $headers = default_headers($plugin_config);
+
+    my $ip4 = undef;
+    my $ip6 = undef;
+
+    my $data = PVE::Network::SDN::api_request(
+	"GET", "$url/ipam/ip-addresses/?q=$mac", $headers);
+    for my $ip (@{$data->{results}}) {
+	if ($ip->{ip_version} == 4 && !$ip4) {
+	    ($ip4, undef) = split(/\//, $ip->{address});
+	}
+
+	if ($ip->{ip_version} == 6 && !$ip6) {
+	    ($ip6, undef) = split(/\//, $ip->{address});
+	}
+    }
+
+    return ($ip4, $ip6);
+}
+
+sub on_update_hook {
+    my ($class, $plugin_config) = @_;
+
+    PVE::Network::SDN::Ipams::NautobotPlugin::verify_api(
+	$class, $plugin_config);
+}
+
+# helpers
+sub get_ips_within_range {
+    my ($start_address, $end_address, @list) = @_;
+    $start_address = NetAddr::IP->new($start_address);
+    $end_address = NetAddr::IP->new($end_address);
+    return grep($start_address <= NetAddr::IP->new($_) <= $end_address, @list);
+}
+
+sub get_ip_id {
+    my ($url, $ip, $headers, $noerr) = @_;
+
+    my $result = eval {
+	return PVE::Network::SDN::api_request(
+	    "GET", "$url/ipam/ip-addresses/?q=$ip", $headers);
+    };
+    if ($@) {
+	die "error while querying for ip $ip id: $@" if !$noerr;
+    }
+
+    my $data = @{$result->{results}}[0];
+    my $ip_id = $data->{id};
+    return $ip_id;
+}
+
+sub get_prefix_id {
+    my ($url, $cidr, $headers, $noerr) = @_;
+
+    my $result = eval {
+	return PVE::Network::SDN::api_request(
+	    "GET", "$url/ipam/prefixes/?q=$cidr", $headers);
+    };
+    if ($@) {
+	die "error while querying for cidr $cidr prefix id: $@" if !$noerr;
+    }
+
+    my $data = @{$result->{results}}[0];
+    my $internalid = $data->{id};
+    return $internalid;
+}
+
+sub get_namespace_id {
+    my ($url, $namespace, $headers, $noerr) = @_;
+
+    my $result = eval {
+	return PVE::Network::SDN::api_request(
+	    "GET", "$url/ipam/namespaces/?q=$namespace", $headers);
+    };
+    if ($@) {
+	die "error while querying for namespace $namespace id: $@" if !$noerr;
+    }
+
+    my $data = @{$result->{results}}[0];
+    my $internalid = $data->{id};
+    return $internalid;
+}
+
+sub get_status_id {
+    my ($url, $status, $headers, $noerr) = @_;
+
+    my $result = eval {
+	return PVE::Network::SDN::api_request(
+	    "GET", "$url/extras/statuses/?q=$status", $headers);
+    };
+    if ($@) {
+	die "error while querying for status $status id: $@" if !$noerr;
+    }
+
+    my $data = @{$result->{results}}[0];
+    my $internalid = $data->{id};
+    return $internalid;
+}
+
+sub is_ip_gateway {
+    my ($url, $ip, $headers, $noerr) = @_;
+
+    my $result = eval {
+	return PVE::Network::SDN::api_request(
+	    "GET", "$url/ipam/ip-addresses/?q=$ip", $headers);
+    };
+    if ($@) {
+	die "error while checking if $ip is a gateway" if !$noerr;
+    }
+
+    my $data = @{$result->{results}}[0];
+    my $description = $data->{description};
+    my $is_gateway = 0; $is_gateway = 1 if $description eq 'gateway';
+    return $is_gateway;
+}
+
+1;
-- 
2.39.5



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