On Tue, Oct 9, 2018 at 11:50 PM Brendan Holmes <[email protected]> wrote:
> Hi Simone,
>
>
>
> Yes the MAC address in answers.conf: OVEHOSTED_VM/vmMACAddr=
>
> is added as a reservation to the DHCP server, so in theory 10.0.0.109
> should be assigned.
>
>
>
> However perhaps DHCP is not working. I have just changed to a static IP
> instead:
>
> OVEHOSTED_VM/cloudinitVMStaticCIDR=str:10.0.0.109/24
>
> (let me know if this isn’t the correct way)
>
>
>
> My host fails to get an IP automatically from this DHCP server, so it is
> quite possible engine’s DHCP has been failing too. Each time the host
> boots, I must type dhclient in order to receive an IP address. Anyway,
> after changing this and re-running hosted-engine –deploy, failed due to:
>
>
>
> [ INFO ] TASK [Copy local VM disk to shared storage]
>
> [ INFO ] changed: [localhost]
>
> [ INFO ] TASK [show local_vm_ip.std_out_lines[0] that will be written to
> etc hosts]
>
> [ INFO ] ok: [localhost]
>
> [ INFO ] TASK [show FQDN]
>
> [ INFO ] ok: [localhost]
>
> [ INFO ] TASK [Clean /etc/hosts on the host]
>
> [ ERROR ] fatal: [localhost]: FAILED! => {"msg": "The task includes an
> option with an undefined variable. The error was: list object has no
> element 0\n\nThe error appears to have been in
> '/usr/share/ovirt-hosted-engine-setup/ansible/create_target_vm.yml': line
> 400, column 5, but may\nbe elsewhere in the file depending on the exact
> syntax problem.\n\nThe offending line appears to be:\n\n debug:
> var=FQDN\n - name: Clean /etc/hosts on the host\n ^ here\n"}
>
>
>
> I have just tried deploying using the webui, same error. I suspect the
> “undefined variable” is local_vm_ip.std_out_lines[0]. My new debug task
> that tries to output this is:
>
> - name: show local_vm_ip.std_out_lines[0] that will be written to etc
> hosts
>
> debug: var=local_vm_ip.stdout_lines[0]
>
>
>
> You can see the output of this above. I think I was mistaken to suggest
> the value of this is localhost. Localhost is just the machine this task
> ran on. I don’t think list local_vm_ip.std_out_lines is defined. Any more
> ideas?
>
The issue is on a task that isn't part of the code we are shipping.
I can just suggest to simply reinstall the rpm to get rid of any
modification and restart from scratch deploying with a static IP if your
DHCP server is not properly working.
>
>
> Many thanks
>
>
>
> *From:* Simone Tiraboschi <[email protected]>
> *Sent:* 09 October 2018 16:51
> *To:* B Holmes <[email protected]>
> *Cc:* users <[email protected]>
> *Subject:* Re: [ovirt-users] Re: Diary of hosted engine install woes
>
>
>
>
>
> On Tue, Oct 9, 2018 at 4:54 PM <[email protected]> wrote:
>
> I'ved added a record to the DNS server here:
> ovirt-engine.example.com 10.0.0.109
>
>
>
> OK, and how the engine VM will get that address?
>
> Are you using DHCP? do you have a DHCP reservation for the MAC address you
> are using on the engine VM?
>
> Are you configuring it with a static IP?
>
>
>
>
> This IP address is on the physical network that the host is on (host is on
> 10.0.0.171). I trust this is correct and I should not resolve to a natted
> IP instead. I notice that regardless of this record, the name
> ovirt-engine.example.com resolves to a natted IP: 192.168.124.51 because
> the ansible script adds an entry to /etc/hosts:
> 192.168.124.51 ovirt-engine.example.com
> While the script is running, if I I can successfully ping
> ovirt-engine.example.com, it responds on 192.168.124.51. So as you say:
> "host can correctly resolve the name of the engine VM", but it's not the
> DNS record's IP. If I remove the DNS record and run hosted-engine
> --deploy, I get error:
> [ ERROR ] Host name is not valid: ovirt-engine.example.com did not
> resolve into an IP address
>
> Anyway, I added back the DNS record and ran hosted-engine --deploy
> command, it failed at:
> [ INFO ] TASK [Clean /etc/hosts on the host]
> [ ERROR ] fatal: [localhost]: FAILED! => {"msg": "The task includes an
> option with an undefined variable. The error was: list object has no
> element 0\n\nThe error appears to have been in
> '/usr/share/ovirt-hosted-engine-setup/ansible/create_target_vm.yml': line
> 396, column 5, but may\nbe elsewhere in the file depending on the exact
> syntax problem.\n\nThe offending line appears to be:\n\n changed_when:
> True\n - name: Clean /etc/hosts on the host\n ^ here\n"}
>
> To debug, I added tasks to create_target_vm.yml that output the values of
> local_vm_ip.std_out_lines[0] and FQDN that are used in this task, then ran
> the usual deploy command again. They are both localhost:
> [ INFO ] TASK [show local_vm_ip.std_out_lines[0] that will be written to
> etc hosts]
> [ INFO ] ok: [localhost]
> [ INFO ] TASK [show FQDN]
> [ INFO ] ok: [localhost]
>
> This time, it gets past [Clean /etc/hosts on the host], but hangs at [
> INFO ] TASK [Check engine VM health] same as before.
>
>
>
> This is fine, the bootstrap local VM runs over a natted network then, once
> ready it will be shutdown and moved to the shared storage. At that point it
> will be restarted on your management network.
>
>
>
> I catted /etc/hosts while it was hanging and it contains:
> 127.0.0.1 localhost localhost.localdomain localhost4
> localhost4.localdomain4
> ::1 localhost localhost.localdomain localhost6
> localhost6.localdomain6
>
> The ovirt-engine.example.com has been deleted! I pinged
> ovirt-engine.example.com and it now resolves to its IP on the physical
> network: 10.0.0.109. So I added back this /etc/hosts entry:
> 192.168.124.51 ovirt-engine.example.com
>
>
>
> Please avoid this.
>
>
>
>
> It subsequently errored:
> [ ERROR ] fatal: [localhost]: FAILED! => {"attempts": 120, "changed":
> true, "cmd": ["hosted-engine", "--vm-status", "--json"], "delta":
> "0:00:00.167559", "end": "2018-10-09 15:43:41.947274", "rc": 0, "start":
> "2018-10-09 15:43:41.779715", "stderr": "", "stderr_lines": [], "stdout":
> "{\"1\": {\"conf_on_shared_storage\": true, \"live-data\": true, \"extra\":
> \"metadata_parse_version=1\\nmetadata_feature_version=1\\ntimestamp=6810
> (Tue Oct 9 15:43:36 2018)
> \\nhost-id=1\\nscore=3400\\nvm_conf_refresh_time=6810 (Tue Oct 9
> 15:43:37 2018)
> \\nconf_on_shared_storage=True\\nmaintenance=False\\nstate=EngineStarting\\nstopped=False\\n\",
> \"hostname\": \"host\", \"host-id\": 1, \"engine-status\": {\"reason\":
> \"failed liveliness check\", \"health\": \"bad\", \"vm\": \"up\",
> \"detail\": \"Up\"}, \"score\": 3400, \"stopped\": false, \"maintenance\":
> false, \"crc32\": \"c5d76f8b\", \"local_conf_timestamp\": 6810,
> \"host-ts\": 6810}, \"global_maintenance\": false}", "stdout_lines":
> ["{\"1\": {\"conf_
> on_shared_storage\": true, \"live-data\": true, \"extra\":
> \"metadata_parse_version=1\\nmetadata_feature_version=1\\ntimestamp=6810
> (Tue Oct 9 15:43:36 2018)
> \\nhost-id=1\\nscore=3400\\nvm_conf_refresh_time=6810 (Tue Oct 9
> 15:43:37 2018)
> \\nconf_on_shared_storage=True\\nmaintenance=False\\nstate=EngineStarting\\nstopped=False\\n\",
> \"hostname\": \"host\", \"host-id\": 1, \"engine-status\": {\"reason\":
> \"failed liveliness check\", \"health\": \"bad\", \"vm\": \"up\",
> \"detail\": \"Up\"}, \"score\": 3400, \"stopped\": false, \"maintenance\":
> false, \"crc32\": \"c5d76f8b\", \"local_conf_timestamp\": 6810,
> \"host-ts\": 6810}, \"global_maintenance\": false}"]}
>
> How can I check the hosted-engine's IP address to ensure name resolution
> is correct?
>
>
>
> You can connect to that VM with VNC and check the IP there.
>
>
>
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