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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Dmitry,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">To be clear I see three phases to this effort:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F4E79">1) Just put the cloud-init for network config
<i>verbatim </i>in the BMH doc for the advanced network configuration (or rather in the example below, within a secret referenced by the BMH doc – as is the metal3-io approach today).<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F4E79"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F4E79">2) Put the intended network configuration data in another CR, or enhance BMH CRD to store it separately and then
<i>generate</i> the appropriate cloud-init data to configure the networking – potentially leveraging some of the hardware detected by ironic hardware inventory discovery to help with that process. I think this is what you’re currently thinking but I think
we may be going a step ahead of what’s required <i>initially. </i>This is my main point.<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F4E79"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F4E79">3) Finally, I think the last phase is introducing IPAM support so users do not have to explicitly define every interface address for hosts – airship, an ipam
operator, or whatever can help identify the next available.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">The baremetalhost_types you refer to would be populated by ironic inventory. I think trying to represent the network configuration in some structured way, and
potentially use some of the hardware configuration discovered as well, in order to
<i>generate </i>cloud-init is more in-line with #2 above.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Really, I’m talking about #1 right now and to be specific about what I’m suggesting, let me propose the following simple solution. Imagine a baremetal Ubuntu
host (which we can easily imitate with virtual machines). For this example, let’s pretend we want this host to have two interfaces – ens1 and ens4 -- both with static addresses. You can obviously expand this simple example to account for N interfaces, with
bonding, VLANs, and so on.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I would have the following cloud-init for my theoretical “host10”:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">#cloud-config<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">write_files:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">- path: /etc/network/interfaces.d/10-ens1.cfg<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> owner: root:root<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> permissions: '0644'<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> content: |<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> auto ens1<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> iface ens1 inet static<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> address 10.1.1.10<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> netmask 255.255.255.0<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> gateway 10.1.1.1<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">- path: /etc/network/interfaces.d/11-ens4.cfg<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> owner: root:root<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> permissions: '0644'<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> content: |<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> auto ens4<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> iface ens4 inet static<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> address 10.4.1.10<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> netmask 255.255.255.0<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">runcmd:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">- [ ifup, ens1]<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">- [ ifup, ens4]<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I would create a Secret for this user-data, “host10-user-data”. This would theoretically be where this is stored declaratively as a document in my set.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">apiVersion: v1<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">data:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">
<span style="background:yellow;mso-highlight:yellow">userData: $(base64 -w 0 <<data above>>)</span><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">kind: Secret<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">metadata:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> name: host10-user-data<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> namespace: metal3<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">type: Opaque<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">I would create a BMH CR for host10:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">apiVersion: v1<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">kind: Secret<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">metadata:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> name: host10-bmc-secret<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">type: Opaque<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">data:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> username: YWRtaW4=<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> password: cGFzc3dvcmQ=<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">---<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">apiVersion: metal3.io/v1alpha1<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">kind: BareMetalHost<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">metadata:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> name: host10<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">spec:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> online: true<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> bootMACAddress: 00:3b:8b:0c:ec:8b<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> bmc:<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> address: ipmi://192.168.111.1:6230<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"> credentialsName: master-0-bmc-secret<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">
<span style="background:yellow;mso-highlight:yellow">userData:<o:p></o:p></span></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D;background:yellow;mso-highlight:yellow"> name: host10-user-data<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D;background:yellow;mso-highlight:yellow"> namespace: metal3</span><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-left:.5in"><span style="font-size:8.0pt;font-family:Consolas;color:#1F497D">---<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">At this point, what I’ve done is fully declare the advanced network configuration for “host10” within the constraints of what exists today – in other words, this
works right now in metal3-io. I could extract this cloud-init for whatever host is being used as the ephemeral host as well for use in ISO generation.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">My point is basically I think going with #1 now so we can achieve E2E functionality seems like the most expedient approach.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Let me know if any aspect of this doesn’t make sense.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Alan Meadows<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Dmitry Ukov [mailto:dukov@mirantis.com]
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<b>Sent:</b> Friday, September 20, 2019 10:18 AM<br>
<b>To:</b> MEADOWS, ALAN <am240k@att.com><br>
<b>Cc:</b> PACHECO, RODOLFO J <rp2723@att.com>; airship-discuss@lists.airshipit.org<br>
<b>Subject:</b> Re: [Airship-discuss] IPAM for Airship<o:p></o:p></span></p>
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<p class="MsoNormal">Alan, <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">> <span style="color:#1F497D">MaaS behaves as an IPAM service – for the most part all it does is enforce the static assignments we declare within Drydock BaremetalNode documents as in here:</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D"><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_airshipit_treasuremap_blob_master_site_seaworthy_baremetal_nodes.yaml-23L48-2DL86&d=DwMFaQ&c=LFYZ-o9_HUMeMTSQicvjIg&r=OI-s0Rr_BtNj0OcKWGZyuA&m=j4XnOJ5N_gtPrZSJlEi7x4Gdbn474aeBXiNi4oyXMIo&s=CT5Rs_ulfgsRJ_aRLjbQn9cMYSNnTrEj1DnUfBUVmkU&e=" target="_blank">https://github.com/airshipit/treasuremap/blob/master/site/seaworthy/baremetal/nodes.yaml#L48-L86</a><br>
I've missed this part :(</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><o:p> </o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#1F497D">> I missed the latest bootstrap-sig call, however when we were initially discussing this one very simple way to get <i>started</i> with this is to represent
the network configuration <i>as </i>cloud-init data in the BareMetalHost (BMH) CRD. There is support for that now without introducing any additional CRDs or fields.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Unfortunately BareMetalHost does not have all information. Here is what is supported <a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__github.com_metal3-2Dio_baremetal-2Doperator_blob_master_pkg_apis_metal3_v1alpha1_baremetalhost-5Ftypes.go-23L249&d=DwMFaQ&c=LFYZ-o9_HUMeMTSQicvjIg&r=OI-s0Rr_BtNj0OcKWGZyuA&m=j4XnOJ5N_gtPrZSJlEi7x4Gdbn474aeBXiNi4oyXMIo&s=-4AQiMysvbUC-zagc0GLr9UMPmjY6bq3tTIFLZHJEW8&e=">https://github.com/metal3-io/baremetal-operator/blob/master/pkg/apis/metal3/v1alpha1/baremetalhost_types.go#L249</a>.
NIC structure is assigned as a property of HardwareDetails structure which is associated to Status property of BareMetalHost. AFAIK Status property is not supposed to be a source of data for CR defined in operator, it's filled in after reconcile event checks
resource status. So technically we can not use this property for data. Moreover there is not Default gw and dns server setting. <o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><o:p> </o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">As an alternative temporary solution (until we decide what to do with IPAM) we can put DNS server in a cluster config (i.e. airshipctl config) or supply it as CLI flag for isogen
and calculate default gateway as a first address of a network<o:p></o:p></p>
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