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Add support for Cisco Catalyst 9000v kind. (#2133)
* Add support for Cisco Catalyst 9000v kind. * Add cat9kv relevant information to schema * Add initial Cat9kv documentation. * added parametrized docs * added macros and glightbox plugin to public mkdocs container * Add interface aliasing feature. * Update documentation to reflect interface aliases. * Remove asic tagged image in example configuration. * keep a single kind definition * Minor fixes and additions re: interfaces. --------- Co-authored-by: Roman Dodin <dodin.roman@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,147 @@ | ||
| --- | ||
| search: | ||
| boost: 4 | ||
| kind_code_name: cisco_cat9kv | ||
| kind_display_name: Cisco Catalyst 9000v | ||
| kind_short_display_name: Cat9kv | ||
| --- | ||
| # Cisco Catalyst 9000v | ||
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| The [[[ kind_display_name ]]] (or [[[ kind_short_display_name ]]] for short) is a virtualised form of the Cisco Catalyst 9000 series switches. It is identified with `[[[ kind_code_name ]]]` kind in the [topology file](../topo-def-file.md). It is built using [vrnetlab](../vrnetlab.md) project and essentially is a Qemu VM packaged in a docker container format. | ||
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| The [[[ kind_display_name ]]] performs simulation of the dataplane ASICs that are present in the physical hardware. The two simulated ASICs are: | ||
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| - Cisco UADP (Unified Access Data-Plane). This is the default ASIC that's simulated. | ||
| - Silicon One Q200 (referred to as Q200). | ||
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| /// note | ||
| The Q200 simulation has a limited featureset compared to the UADP simulation. | ||
| /// | ||
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| ## Resource requirements | ||
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| | | UADP | Q200 | | ||
| | --------- | ----- | ----- | | ||
| | vCPU | 4 | 4 | | ||
| | RAM (MB) | 18432 | 12288 | | ||
| | Disk (GB) | 4 | 4 | | ||
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| ## Managing [[[ kind_display_name ]]] nodes | ||
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| You can manage the [[[ kind_display_name ]]] with containerlab via the following interfaces: | ||
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| /// tab | bash | ||
| to connect to a `bash` shell of a running Cisco CSR1000v container: | ||
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| ```bash | ||
| docker exec -it <container-name/id> bash | ||
| ``` | ||
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| /// | ||
| /// tab | CLI | ||
| to connect to the Catalyst 9000v CLI | ||
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| ```bash | ||
| ssh admin@<container-name/id> | ||
| ``` | ||
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| /// | ||
| /// tab | NETCONF | ||
| NETCONF server is running over port 830 | ||
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| ```bash | ||
| ssh admin@<container-name> -p 830 -s netconf | ||
| ``` | ||
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| /// | ||
| /// note | ||
| Default credentials: `admin:admin` | ||
| /// | ||
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| ## Interface naming convention | ||
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| You can use [interfaces names](../topo-def-file.md#interface-naming) in the topology file like they appear in the [[[ kind_display_name ]]] CLI. | ||
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| The interface naming convention is: `GigabitEthernet1/0/X` (or `Gi1/0/X`), where `X` is the port number. | ||
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| With that naming convention in mind: | ||
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| * `Gi1/0/1` - first data port available | ||
| * `Gi1/0/2` - second data port, and so on... | ||
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| The example ports above would be mapped to the following Linux interfaces inside the container running the [[[ kind_display_name ]]] VM: | ||
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| - `eth0` - management interface connected to the containerlab management network. | ||
| - `eth1` - First data-plane interface. Mapped to `GigabitEthernet1/0/1` interface. | ||
| - `eth2` - Second data-plane interface. Mapped to `GigabitEthernet1/0/2` interface and so on. | ||
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| /// note | ||
| Data interfaces may take 5+ minutes to function correctly after the node boots. | ||
| /// | ||
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| You must define interfaces in a contigous manner in your toplogy file. For example, if you want to use `Gi1/0/4` you must define `Gi1/0/1`, `Gi1/0/2` and `Gi1/0/3`. See the example below. | ||
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| ```yaml | ||
| name: my-cat9kv-lab | ||
| topology: | ||
| nodes: | ||
| cat9kv1: | ||
| kind: cisco_cat9kv | ||
| image: vrnetlab/vr-cat9kv:17.12.01p | ||
| cat9kv2: | ||
| kind: cisco_cat9kv | ||
| image: vrnetlab/vr-cat9kv:17.12.01p | ||
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| links: | ||
| - endpoints: ["cat9kv1:Gi1/0/1","cat9kv2:GigabitEthernet1/0/1"] | ||
| - endpoints: ["cat9kv1:Gi1/0/2","cat9kv2:GigabitEthernet1/0/2"] | ||
| - endpoints: ["cat9kv1:Gi1/0/3", "cat9kv2:GigabitEthernet1/0/3"] | ||
| - endpoints: ["cat9kv1:Gi1/0/4", "cat9kv2:GigabitEthernet1/0/4"] | ||
| ``` | ||
| /// warning | ||
| Regardless of how many links are defined in your containerlab topology, the Catalyst 9000v will always display 8 data-plane interfaces. Links/interfaces that you did not define in your containerlab topology will *not* pass any traffic. | ||
| /// | ||
| ## Features and options | ||
| ### ASIC data-plane simulation configuration | ||
| The default ASIC simulation of the node will be UADP. To enable the Q200 simulation or to enable specific features for the UADP simulation, you must provide a `vswitch.xml` file (with the relevant configuration). | ||
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| You can do this when building the image with [vrnetlab](../vrnetlab.md), Please refer to the README file in vrnetlab/cat9kv for more information. | ||
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| You can also use supply the vswitch.xml file via `binds` in the containerlab topology file. Refer to the example below. | ||
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| ```yaml | ||
| name: my-cat9kv-lab | ||
| topology: | ||
| nodes: | ||
| node1: | ||
| kind: cisco_cat9kv | ||
| image: vrnetlab/vr-cat9kv:17.12.01p | ||
| binds: | ||
| - /path/to/vswitch.xml:/vswitch.xml | ||
| ``` | ||
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| /// note | ||
| You can obtain a `vswitch.xml` file from the relevant Cisco CML node definitions. | ||
| /// | ||
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| ### Environment variables | ||
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| There are `VCPU` and `RAM` environment variables defined. It is not recommended reduce the resources below the required amount. The node will be unable to boot in this case. | ||
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| The example below assigns 6vCPUs and 20 gigabytes of RAM to the node. | ||
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| ```yaml | ||
| name: my-cat9kv-lab | ||
| topology: | ||
| nodes: | ||
| node1: | ||
| kind: cisco_cat9kv | ||
| image: vrnetlab/vr-cat9kv:17.12.01p | ||
| env: | ||
| VCPU: 6 | ||
| RAM: 20480 | ||
| ``` |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,108 @@ | ||
| // Copyright 2020 Nokia | ||
| // Licensed under the BSD 3-Clause License. | ||
| // SPDX-License-Identifier: BSD-3-Clause | ||
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| package vr_cat9kv | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "path" | ||
| "regexp" | ||
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| log "github.com/sirupsen/logrus" | ||
| "github.com/srl-labs/containerlab/netconf" | ||
| "github.com/srl-labs/containerlab/nodes" | ||
| "github.com/srl-labs/containerlab/types" | ||
| "github.com/srl-labs/containerlab/utils" | ||
| ) | ||
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| var ( | ||
| kindnames = []string{"cisco_cat9kv"} | ||
| defaultCredentials = nodes.NewCredentials("admin", "admin") | ||
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| InterfaceRegexp = regexp.MustCompile(`(?:Gi|GigabitEthernet)\s?1/0/(?P<port>\d+)$`) | ||
| InterfaceOffset = 1 | ||
| InterfaceHelp = "Gi1/0/X or GigabitEthernet1/0/X (where X >= 1) or ethX (where X >= 1)" | ||
| ) | ||
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| const ( | ||
| scrapliPlatformName = "cisco_iosxe" | ||
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| configDirName = "config" | ||
| startupCfgFName = "startup-config.cfg" | ||
| ) | ||
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| // Register registers the node in the NodeRegistry. | ||
| func Register(r *nodes.NodeRegistry) { | ||
| r.Register(kindnames, func() nodes.Node { | ||
| return new(vrCat9kv) | ||
| }, defaultCredentials) | ||
| } | ||
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| type vrCat9kv struct { | ||
| nodes.VRNode | ||
| } | ||
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| func (n *vrCat9kv) Init(cfg *types.NodeConfig, opts ...nodes.NodeOption) error { | ||
| // Init VRNode | ||
| n.VRNode = *nodes.NewVRNode(n) | ||
| // set virtualization requirement | ||
| n.HostRequirements.VirtRequired = true | ||
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| n.Cfg = cfg | ||
| for _, o := range opts { | ||
| o(n) | ||
| } | ||
| // env vars are used to set launch.py arguments in vrnetlab container | ||
| defEnv := map[string]string{ | ||
| "CONNECTION_MODE": nodes.VrDefConnMode, | ||
| "USERNAME": defaultCredentials.GetUsername(), | ||
| "PASSWORD": defaultCredentials.GetPassword(), | ||
| "DOCKER_NET_V4_ADDR": n.Mgmt.IPv4Subnet, | ||
| "DOCKER_NET_V6_ADDR": n.Mgmt.IPv6Subnet, | ||
| "VCPU": "4", | ||
| "RAM": "18432", | ||
| } | ||
| n.Cfg.Env = utils.MergeStringMaps(defEnv, n.Cfg.Env) | ||
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| // mount config dir to support startup-config functionality | ||
| n.Cfg.Binds = append(n.Cfg.Binds, fmt.Sprint(path.Join(n.Cfg.LabDir, configDirName), ":/config")) | ||
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| if n.Cfg.Env["CONNECTION_MODE"] == "macvtap" { | ||
| // mount dev dir to enable macvtap | ||
| n.Cfg.Binds = append(n.Cfg.Binds, "/dev:/dev") | ||
| } | ||
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| n.Cfg.Cmd = fmt.Sprintf("--username %s --password %s --hostname %s --connection-mode %s --vcpu %s --ram %s --trace", | ||
| n.Cfg.Env["USERNAME"], n.Cfg.Env["PASSWORD"], n.Cfg.ShortName, n.Cfg.Env["CONNECTION_MODE"], n.Cfg.Env["VCPU"], n.Cfg.Env["RAM"]) | ||
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| n.InterfaceRegexp = InterfaceRegexp | ||
| n.InterfaceOffset = InterfaceOffset | ||
| n.InterfaceHelp = InterfaceHelp | ||
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| return nil | ||
| } | ||
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| func (s *vrCat9kv) PreDeploy(_ context.Context, params *nodes.PreDeployParams) error { | ||
| utils.CreateDirectory(s.Cfg.LabDir, 0777) | ||
| _, err := s.LoadOrGenerateCertificate(params.Cert, params.TopologyName) | ||
| if err != nil { | ||
| return nil | ||
| } | ||
| return nodes.LoadStartupConfigFileVr(s, configDirName, startupCfgFName) | ||
| } | ||
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| func (n *vrCat9kv) SaveConfig(_ context.Context) error { | ||
| err := netconf.SaveConfig(n.Cfg.LongName, | ||
| defaultCredentials.GetUsername(), | ||
| defaultCredentials.GetPassword(), | ||
| scrapliPlatformName, | ||
| ) | ||
| if err != nil { | ||
| return err | ||
| } | ||
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| log.Infof("saved %s running configuration to startup configuration file\n", n.Cfg.ShortName) | ||
| return nil | ||
| } |
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