[ovirt-users] "patched upgrade" from 4.0 (not appliance) => 4.1 (appliance) fails

9 Mar 2017

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Hello,=20

I'm trying to upgrade our ovirt-engine from 4.0 (centos manually installed)=
 to 4.1.0 (appliance) using "hosted-engine --upgrade-appliance".=20

Our test setup :=20
2 hosts with centos 7.3 with ovirt4.0 (latest updates)=20
1 ovirt-engine 4.0 (latest update)=20

This method uses a manual backup from current engine and injects it to new =
appliance. Since "old" ovirt-engine is a manually installed 4.0 (latest ver=
sion) as opposed to an appliance, upgrade process warns that it doesn't rec=
ognise the current engine with a somewhat deprecated message :=20

[WARNING] Unable to detect engine version=20
[WARNING] Unsupported upgrade path=20
This procedure has been designed and tested only for upgrading the engine V=
M from ['3.6'] to ['4.0'].=20
Any other usage is highly experimental and potentially dangerous:=20
Current engine: unknown=20
Selected appliance: 4.1-20170201.1.el7.centos=20
Do you want to abort the upgrade process? (Yes, No) [Yes]: no=20
[WARNING] Proceeding on an unsupported and highly experimental path=20

This fails, according to a bug already posted on https://bugzilla.redhat.co=
m/show_bug.cgi?id=3D1420283 which is resolved in future 4.1.1=20

So I tried to manually patch the file corrected in gerrit https://gerrit.ov=
irt.org/#/c/71965/ and - after multiple tries - it still fails at the end w=
ith the following error :=20

...=20
[ INFO ] Running engine-setup on the appliance=20
|- Preparing to restore:=20
|- - Unpacking file '/root/engine_backup.tar.gz'=20
|- FATAL: Backup was created by version '4.0' and can not be restored using=
 the installed version 4.1=20
|- HE_APPLIANCE_ENGINE_RESTORE_FAIL=20
[ ERROR ] Engine backup restore failed on the appliance=20
[ ERROR ] Failed to execute stage 'Closing up': engine-backup failed restor=
ing the engine backup on the appliance Please check its log on the applianc=
e.=20

When checking upgrade log, there's not much more error information other th=
an :=20

2017-03-08 18:08:30 INFO otopi.plugins.gr_he_common.engine.health health._c=
loseup:127 Running engine-setup on the appliance=20
2017-03-08 18:08:44 DEBUG otopi.plugins.otopi.dialog.human dialog.__logStri=
ng:204 DIALOG:SEND |- Preparing to restore:=20
2017-03-08 18:08:44 DEBUG otopi.plugins.otopi.dialog.human dialog.__logStri=
ng:204 DIALOG:SEND |- - Unpacking file '/root/engine_backup.tar.gz'=20
2017-03-08 18:08:44 DEBUG otopi.plugins.otopi.dialog.human dialog.__logStri=
ng:204 DIALOG:SEND |- FATAL: Backup was created by version '4.0' and can no=
t be restored using the installed version 4.1=20
2017-03-08 18:08:44 DEBUG otopi.plugins.otopi.dialog.human dialog.__logStri=
ng:204 DIALOG:SEND |- HE_APPLIANCE_ENGINE_RESTORE_FAIL=20
2017-03-08 18:08:44 ERROR otopi.plugins.gr_he_common.engine.health health._=
closeup:154 Engine backup restore failed on the appliance=20
2017-03-08 18:08:44 DEBUG otopi.context context._executeMethod:142 method e=
xception=20
Traceback (most recent call last):=20
File "/usr/lib/python2.7/site-packages/otopi/context.py", line 132, in _exe=
cuteMethod=20
method['method']()=20
File "/usr/share/ovirt-hosted-engine-setup/scripts/../plugins/gr-he-common/=
engine/health.py", line 158, in _closeup=20
'engine-backup failed restoring the engine backup '=20
RuntimeError: engine-backup failed restoring the engine backup on the appli=
ance=20
Please check its log on the appliance.=20
2017-03-08 18:08:44 ERROR otopi.context context._executeMethod:151 Failed t=
o execute stage 'Closing up': engine-backup failed restoring the engine bac=
kup on the appliance=20
Please check its log on the appliance.=20
2017-03-08 18:08:44 DEBUG otopi.context context.dumpEnvironment:760 ENVIRON=
MENT DUMP - BEGIN=20

In "new" engine setup log, the only thing which catched my eye is :=20

2017-03-08 18:08:45 DEBUG otopi.context context.dumpEnvironment:774 ENVIRON=
MENT DUMP - END=20
2017-03-08 18:08:45 DEBUG otopi.context context._executeMethod:128 Stage bo=
ot METHOD otopi.plugins.otopi.packagers.dnfpackager.Plugin._boot=20
2017-03-08 18:08:45 DEBUG otopi.plugins.otopi.packagers.dnfpackager dnfpack=
ager._boot:163 Cannot initialize minidnf=20
Traceback (most recent call last):=20
File "/usr/share/otopi/plugins/otopi/packagers/dnfpackager.py", line 150, i=
n _boot=20
constants.PackEnv.DNF_DISABLED_PLUGINS=20
File "/usr/share/otopi/plugins/otopi/packagers/dnfpackager.py", line 60, in=
 _getMiniDNF=20
from otopi import minidnf=20
File "/usr/lib/python2.7/site-packages/otopi/minidnf.py", line 16, in <modu=
le>=20
import dnf=20
ImportError: No module named dnf=20
2017-03-08 18:08:45 DEBUG otopi.context context.dumpEnvironment:760 ENVIRON=
MENT DUMP - BEGIN=20

I'm not sure if my patched file ( runvm.py ) should be enough to make it wo=
rk, but maybe this can bring some new information to you.=20
Really hopping that 4.1.1 oVirt will resolve this issue as we are eager to =
start using appliances.=20

(I can provide you with more/full log files if necessary)=20

cordialement, regards,=20

=09Nelson LAMEIRAS=20
Ing=C3=A9nieur Syst=C3=A8mes et R=C3=A9seaux / Systems and Networks enginee=
r=20
Tel: +33 5 32 09 09 70=20
nelson.lameiras@lyra-network.com=20

www.lyra-network.com | www.payzen.eu=20

=09
=09
=09

Lyra Network, 109 rue de l'innovation, 31670 Lab=C3=A8ge, FRANCE=20

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<html><body><div style=3D"font-family: arial, helvetica, sans-serif; font-s=
ize: 12pt; color: #000000"><div>Hello,<br></div><div><br data-mce-bogus=3D"=
1"></div><div>I'm trying to upgrade our ovirt-engine from 4.0 (centos manua=
lly installed) to 4.1.0 (appliance) using "hosted-engine --upgrade-applianc=
e". </div><div><br data-mce-bogus=3D"1"></div><div>Our test setup : </div><=
div>2 hosts with centos 7.3 with ovirt4.0 (latest updates)<br data-mce-bogu=
s=3D"1"></div><div>1 ovirt-engine 4.0 (latest update)<br data-mce-bogus=3D"=
1"></div><div><br data-mce-bogus=3D"1"></div><div>This method uses a manual=
 backup from current engine and injects it to new appliance. Since "old" ov=
irt-engine is a manually installed 4.0 (latest version) as opposed to an ap=
pliance, upgrade process warns that it doesn't recognise the current engine=
 with a somewhat deprecated message :<br data-mce-bogus=3D"1"></div><div><b=
r data-mce-bogus=3D"1"></div><div>[WARNING] Unable to detect engine version=
<br>[WARNING] Unsupported upgrade path<br>     &nb=
sp;    This procedure has been designed and tested only for =
upgrading the engine VM from ['3.6'] to ['4.0'].<br>    =
;      Any other usage is highly experimental and =
potentially dangerous:<br>        &=
nbsp;   Current engine: unknown<br>     =
       Selected appliance: 4.1-20170201.1.el7=
.centos<br>          Do you wa=
nt to abort the upgrade process? (Yes, No) [Yes]: no<br>[WARNING] Proceedin=
g on an unsupported and highly experimental path<br></div><div><br data-mce=
-bogus=3D"1"></div><div>This fails, according to a bug already posted on ht=
tps://bugzilla.redhat.com/show_bug.cgi?id=3D1420283 which is resolved in fu=
ture 4.1.1<br data-mce-bogus=3D"1"></div><div><br data-mce-bogus=3D"1"></di=
v><div>So I tried to manually patch the file corrected in gerrit https://ge=
rrit.ovirt.org/#/c/71965/ and - after multiple tries - it still fails at th=
e end with the following error : <br data-mce-bogus=3D"1"></div><div><br da=
ta-mce-bogus=3D"1"></div><div>...<br data-mce-bogus=3D"1"></div><div>[ INFO=
  ] Running engine-setup on the appliance<br>    &=
nbsp;     |- Preparing to restore:<br>   =
;       |- - Unpacking file '/root/engine_bac=
kup.tar.gz'<br>          |- FA=
TAL: Backup was created by version '4.0' and can not be restored using the =
installed version 4.1<br>        &n=
bsp; |- HE_APPLIANCE_ENGINE_RESTORE_FAIL<br>[ ERROR ] Engine backup restore=
 failed on the appliance<br>[ ERROR ] Failed to execute stage 'Closing up':=
 engine-backup failed restoring the engine backup on the appliance Please c=
heck its log on the appliance.</div><div><br data-mce-bogus=3D"1"></div><di=
v>When checking upgrade log, there's not much more error information other =
than :<br data-mce-bogus=3D"1"></div><div><br data-mce-bogus=3D"1"></div><d=
iv>2017-03-08 18:08:30 INFO otopi.plugins.gr_he_common.engine.health health=
._closeup:127 Running engine-setup on the appliance<br>2017-03-08 18:08:44 =
DEBUG otopi.plugins.otopi.dialog.human dialog.__logString:204 DIALOG:SEND&n=
bsp;            =
;    |- Preparing to restore:<br>2017-03-08 18:08:44 DEBUG o=
topi.plugins.otopi.dialog.human dialog.__logString:204 DIALOG:SEND &nb=
sp;            =
   |- - Unpacking file '/root/engine_backup.tar.gz'<br>2017-03-08=
 18:08:44 DEBUG otopi.plugins.otopi.dialog.human dialog.__logString:204 DIA=
LOG:SEND           &=
nbsp;     |- FATAL: Backup was created by version '4.0'=
 and can not be restored using the installed version 4.1<br>2017-03-08 18:0=
8:44 DEBUG otopi.plugins.otopi.dialog.human dialog.__logString:204 DIALOG:S=
END            =
     |- HE_APPLIANCE_ENGINE_RESTORE_FAIL<br>2017-03-08 =
18:08:44 ERROR otopi.plugins.gr_he_common.engine.health health._closeup:154=
 Engine backup restore failed on the appliance<br>2017-03-08 18:08:44 DEBUG=
 otopi.context context._executeMethod:142 method exception<br>Traceback (mo=
st recent call last):<br>  File "/usr/lib/python2.7/site-packages/otop=
i/context.py", line 132, in _executeMethod<br>    method['me=
thod']()<br>  File "/usr/share/ovirt-hosted-engine-setup/scripts/../pl=
ugins/gr-he-common/engine/health.py", line 158, in _closeup<br>  =
  'engine-backup failed restoring the engine backup '<br>RuntimeError:=
 engine-backup failed restoring the engine backup on the appliance<br>Pleas=
e check its log on the appliance.<br>2017-03-08 18:08:44 ERROR otopi.contex=
t context._executeMethod:151 Failed to execute stage 'Closing up': engine-b=
ackup failed restoring the engine backup on the appliance<br>Please check i=
ts log on the appliance.<br>2017-03-08 18:08:44 DEBUG otopi.context context=
.dumpEnvironment:760 ENVIRONMENT DUMP - BEGIN<br></div><div><br data-mce-bo=
gus=3D"1"></div><div>In "new" engine setup log, the only thing which catche=
d my eye is :<br data-mce-bogus=3D"1"></div><div><br data-mce-bogus=3D"1"><=
/div><div>2017-03-08 18:08:45 DEBUG otopi.context context.dumpEnvironment:7=
74 ENVIRONMENT DUMP - END<br>2017-03-08 18:08:45 DEBUG otopi.context contex=
t._executeMethod:128 Stage boot METHOD otopi.plugins.otopi.packagers.dnfpac=
kager.Plugin._boot<br>2017-03-08 18:08:45 DEBUG otopi.plugins.otopi.package=
rs.dnfpackager dnfpackager._boot:163 Cannot initialize minidnf<br>Traceback=
 (most recent call last):<br>  File "/usr/share/otopi/plugins/otopi/pa=
ckagers/dnfpackager.py", line 150, in _boot<br>    constants=
.PackEnv.DNF_DISABLED_PLUGINS<br>  File "/usr/share/otopi/plugins/otop=
i/packagers/dnfpackager.py", line 60, in _getMiniDNF<br>    =
from otopi import minidnf<br>  File "/usr/lib/python2.7/site-packages/=
otopi/minidnf.py", line 16, in <module><br>    import =
dnf<br>ImportError: No module named dnf<br>2017-03-08 18:08:45 DEBUG otopi.=
context context.dumpEnvironment:760 ENVIRONMENT DUMP - BEGIN<br></div><div>=
<br data-mce-bogus=3D"1"></div><div>I'm not sure if my patched file (<a hre=
f=3D"https://gerrit.ovirt.org/#/c/71965/3/src/plugins/gr-he-upgradeapplianc=
e/vm/runvm.py" onclick=3D"gwt_uid_92(event,1)" data-mce-href=3D"https://ger=
rit.ovirt.org/#/c/71965/3/src/plugins/gr-he-upgradeappliance/vm/runvm.py">r=
unvm.py</a>) should be enough to make it work, but maybe this can bring som=
e new information to you.<br data-mce-bogus=3D"1"></div><div>Really hopping=
 that 4.1.1 oVirt will resolve this issue as we are eager to start using ap=
pliances.<br data-mce-bogus=3D"1"></div><div><br></div><div>(I can provide =
you with more/full log files if necessary)<br data-mce-bogus=3D"1"></div><d=
iv><br data-mce-bogus=3D"1"></div><div data-marker=3D"__SIG_PRE__"><div>cor=
dialement, regards,</div><div><br data-mce-bogus=3D"1"></div><table style=
=3D"margin: 0px; table-layout: fixed; border: none; width: 345pt; padding: =
0px;" data-mce-style=3D"margin: 0px; table-layout: fixed; border: none; wid=
th: 345pt; padding: 0px;" width=3D"460" cellspacing=3D"0" cellpadding=3D"0"=
 border=3D"0"><tbody><tr><td style=3D"margin: 0; font-size: 11px; font-fami=
ly: Arial,sans-serif; color: #2b3c7a; line-height: 16px; width: 86.25pt; te=
xt-align: left;" data-mce-style=3D"margin: 0; font-size: 11px; font-family:=
 Arial,sans-serif; color: #2b3c7a; line-height: 16px; width: 86.25pt; text-=
align: left;" width=3D"115" valign=3D"top"><a href=3D"https://www.lyra-netw=
ork.com/" style=3D"border: none; text-decoration: none; width: 100%; displa=
y: block; clear: both;" data-mce-href=3D"https://www.lyra-network.com/" dat=
a-mce-style=3D"border: none; text-decoration: none; width: 100%; display: b=
lock; clear: both;"><img src=3D"cid:2d73caa90af1eb7aeb4cb1bde4b870be1e954fc=
6@zimbra" alt=3D"" data-mce-src=3D"/home/admin@lyra-network.com/corporate-d=
ocuments/element-signature_logo_lyra_115x94.jpg" doc=3D"corporate-documents=
/element-signature_logo_lyra_115x94.jpg" height=3D"94" width=3D"115" border=
=3D"0"></a><br data-mce-bogus=3D"1"></td><td style=3D"margin: 0; font-size:=
 11px; font-family: Arial,sans-serif; color: #2b3c7a; line-height: 16px; wi=
dth: 258.75pt;" data-mce-style=3D"margin: 0; font-size: 11px; font-family: =
Arial,sans-serif; color: #2b3c7a; line-height: 16px; width: 258.75pt;" widt=
h=3D"345" valign=3D"top"><table style=3D"margin: 0; width: 258.75pt; table-=
layout: fixed; border: none;" data-mce-style=3D"margin: 0; width: 258.75pt;=
 table-layout: fixed; border: none;" width=3D"345" cellspacing=3D"0" cellpa=
dding=3D"0" border=3D"0"><tbody><tr><td style=3D"font-size: 16px; font-fami=
ly: Arial,sans-serif; color: #2b3c7a; line-height: 18px; font-weight: bold;=
" data-mce-style=3D"font-size: 16px; font-family: Arial,sans-serif; color: =
#2b3c7a; line-height: 18px; font-weight: bold;">Nelson LAMEIRAS</td></tr><t=
r><td style=3D"font-family: Arial,sans-serif; color: #2b3c7a; font-size: 11=
px; line-height: 16px;" data-mce-style=3D"font-family: Arial,sans-serif; co=
lor: #2b3c7a; font-size: 11px; line-height: 16px;">Ing=C3=A9nieur Syst=C3=
=A8mes et R=C3=A9seaux<span style=3D"font-family: Arial,sans-serif; color: =
#337ab7; font-size: 11px;" data-mce-style=3D"font-family: Arial,sans-serif;=
 color: #337ab7; font-size: 11px;"> / Systems and Networks engineer</span><=
/td></tr><tr><td style=3D"line-height: 16px; font-family: 'Arial',sans-seri=
f; color: #2b3c7a; font-size: 11px;" data-mce-style=3D"line-height: 16px; f=
ont-family: 'Arial',sans-serif; color: #2b3c7a; font-size: 11px;"><span sty=
le=3D"font-family: Arial,sans-serif; color: #2b3c7a; font-size: 11px;" data=
-mce-style=3D"font-family: Arial,sans-serif; color: #2b3c7a; font-size: 11p=
x;">Tel: +33 5 32 09 09 70</span></td></tr><tr><td style=3D"line-height: 16=
px; font-family: 'Arial',sans-serif; color: #2b3c7a; font-size: 11px;" data=
-mce-style=3D"line-height: 16px; font-family: 'Arial',sans-serif; color: #2=
b3c7a; font-size: 11px;"><a href=3D"mailto:nelson.lameiras@lyra-network.com=
" style=3D"font-size: 11px; font-family: Arial,sans-serif; line-height: 16p=
x; text-decoration: none;" data-mce-href=3D"mailto:nelson.lameiras@lyra-net=
work.com" data-mce-style=3D"font-size: 11px; font-family: Arial,sans-serif;=
 line-height: 16px; text-decoration: none;">nelson.lameiras@lyra-network.co=
m</a><br data-mce-bogus=3D"1"></td></tr><tr><td style=3D"line-height: 16px;=
 font-family: 'Arial',sans-serif; color: #2b3c7a; font-size: 11px;" data-mc=
e-style=3D"line-height: 16px; font-family: 'Arial',sans-serif; color: #2b3c=
7a; font-size: 11px;"><a href=3D"https://www.lyra-network.com/" style=3D"fo=
nt-size: 11px; font-family: Arial,sans-serif; line-height: 16px; border: no=
ne; text-decoration: none;" data-mce-href=3D"https://www.lyra-network.com/"=
 data-mce-style=3D"font-size: 11px; font-family: Arial,sans-serif; line-hei=
ght: 16px; border: none; text-decoration: none;">www.lyra-network.com</a> <=
a href=3D"https://payzen.eu" style=3D"font-size: 11px; font-family: Arial,s=
ans-serif; line-height: 16px; border: none; text-decoration: none;" data-mc=
e-href=3D"https://payzen.eu" data-mce-style=3D"font-size: 11px; font-family=
: Arial,sans-serif; line-height: 16px; border: none; text-decoration: none;=
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ps://www.youtube.com/channel/UCrVl1CO_Jlu3KbiRH-tQ_vA" data-mce-style=3D"bo=
rder: none; text-decoration: none; margin: 0; float: left; display: inline-=
block; width: 32px;"><img src=3D"cid:3ab05240a7d61766c65061d295bb6ab763776f=
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idth: 30.75pt; text-align: left;" width=3D"41" valign=3D"top"><a href=3D"ht=
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[ovirt-users] "patched upgrade" from 4.0 (not appliance) => 4.1 (appliance) fails

Nelson Lameiras