<div dir="ltr"><div dir="ltr"><div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Hi Eric,</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"> </div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">(1) "<span style="font-family:Arial,Helvetica,sans-serif">virtual machine" is bug. This need to be corrected as physical machine or hypervisor.</span></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><span style="font-family:Arial,Helvetica,sans-serif"> Masakari host is a physical host/hypervisor. I will correct this.</span></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><span style="font-family:Arial,Helvetica,sans-serif"><br></span></div><div class="gmail_default"><span style="font-family:Arial,Helvetica,sans-serif">(2) Not through masakari APIs. You have to add metadata key 'HA_Enabled=True' to each VM by using nova API.</span></div><div class="gmail_default"><span style="font-family:Arial,Helvetica,sans-serif"> Masakeri monitors check for failures and send notification to masakari API if detected any failure (i.e host, VM or process failures).</span></div><div class="gmail_default"> In host failure (hypervisor down) scenario, Masakari engine get the VM list on that hypervisor and start evacuate VMs.</div><div class="gmail_default"> Operator can configure masakari to evacuate all VMs or only the VMs with the metadata key 'HA_Enabled=True.</div><div class="gmail_default"> Please see the config file [1] section <span class="gmail-p" style="color:rgb(85,85,85);font-size:1.1em">[</span><span class="gmail-n" style="color:rgb(85,85,85);font-size:1.1em">host_failure</span><span class="gmail-p" style="color:rgb(85,85,85);font-size:1.1em">] for more details.</span></div><div class="gmail_default"><span class="gmail-p" style="color:rgb(85,85,85);font-size:1.1em"><br></span></div><div class="gmail_default"><span class="gmail-p" style="color:rgb(85,85,85);font-size:1.1em">Let me know if you need more info on this.</span></div><div class="gmail_default"><span class="gmail-p" style="color:rgb(85,85,85);font-size:1.1em"><br></span></div><div class="gmail_default"><span class="gmail-p" style="color:rgb(85,85,85);font-size:1.1em">[1] <a href="https://docs.openstack.org/masakari/latest/sample_config.html">https://docs.openstack.org/masakari/latest/sample_config.html</a></span></div><div class="gmail_default"><span class="gmail-p" style="color:rgb(85,85,85);font-size:1.1em"><br></span></div><div class="gmail_default">---<font color="#333333" face="Times New Roman"><span style="font-size:14px;line-height:21.6px"> R</span></font><span style="color:rgb(51,51,51);font-family:"Times New Roman";font-size:14px;line-height:21.6px">egards,</span><br></div><div><div dir="ltr" class="gmail_signature"><div dir="ltr"><div>Sampath</div><div><br></div></div></div></div><br></div></div></div><br><div class="gmail_quote"><div dir="ltr">On Sun, Oct 7, 2018 at 8:55 AM Eric K <<a href="mailto:ekcs.openstack@gmail.com">ekcs.openstack@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi all, I'm working on a potential integration between masakari and<br>
congress. But I am stuck on some basic usage questions I could not<br>
answer in my search of docs and demos. Any clarification or references<br>
would be much appreciated!<br>
<br>
1. What does a host refer to in masakari API? Here's the explanation in API doc:<br>
"Host can be any kind of virtual machine which can have compute<br>
service running on it."<br>
(<a href="https://developer.openstack.org/api-ref/instance-ha/#hosts-hosts" rel="noreferrer" target="_blank">https://developer.openstack.org/api-ref/instance-ha/#hosts-hosts</a>)<br>
<br>
So is a masakari host usually a nova instance/server instead of a<br>
host/hypervisor?<br>
<br>
2. Through the masakari api, how does one go about configuring a VM to<br>
be managed by masakari instance HA?<br>
<br>
Thanks so much!<br>
<br>
Eric Kao<br>
<br>
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