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rebuild5 p! _% J( ?2 n5 k9 Q. `/ T: ?
步骤如下：2 Z X4 }: o2 M3 e# ?& v
1、先使用keypaire创建cirros虚拟机，关联floatingip，创建成功后，ssh登录，操作正常。
1 _ _8 P+ l# @0 v2 _7 P, y" A1 Broot@controller231:~# nova show rebuild-test2
& {1 Z9 g. k8 w/ H4 [& q4 `: n+-------------------------------------+----------------------------------------------------------+
0 R' k: f! L+ X| Property | Value |
( A" T% V' T; L+-------------------------------------+----------------------------------------------------------+
" Q" x+ z9 q! F% ^| status | ACTIVE |
; d% _1 ]" n2 @" T| updated | 2013-06-24T08:14:45Z | 8 m' {( }, A) P: X8 i% x# [1 H
| OS-EXT-STS:task_state | None | 7 q9 O" i+ F8 H2 v
| OS-EXT-SRV-ATTR:host | controller231 | ) B0 i$ T) R# M. X: ?% ?# \% _
| key_name | mykey | % U+ [( N! }9 ]
| image | cirros (4851d2f2-ef75-4a80-91c6-f0fcbcd7276a) |
( h+ h+ N' I X| hostId | 083729f2f8f664fffd4cffb8c3e76615d7abc1e11efc993528dd88b9 | % D S2 i( b- c8 x
| OS-EXT-STS:vm_state | active | X& ^* M2 m; k- }
| OS-EXT-SRV-ATTR:instance_name | instance-0000000e |
! V+ V; e4 w0 \| OS-EXT-SRV-ATTR:hypervisor_hostname | controller231.openstack.org |
1 h2 q+ _1 \2 L5 q. n9 v| flavor | m1.small (2) |
' j: \4 `3 T' b| id | 03774415-d9ce-4b34-b012-6891d248b767 |
% T% H6 }. Q5 ^" M5 z| security_groups | [{u'name': u'default'}] |
/ M& Q: ~& a) C' I| user_id | f882feb345064e7d9392440a0f397c25 |
2 ~( I+ p3 }' P8 Y5 `5 g, ^| name | rebuild-test2 |
3 {: `4 q4 r6 H- l- |% R S| created | 2013-06-24T08:14:38Z | 0 D- ^' n; c( x0 g3 m; W5 j
| tenant_id | 6fbe9263116a4b68818cf1edce16bc4f | 8 C8 j' f: |* o8 F7 M1 d/ Y
| OS-DCF:diskConfig | MANUAL | 8 _8 }: z( {% h. l9 x8 ~/ k# f7 M: j( \
| metadata | {} |
: z+ m$ i+ _6 { j1 X| accessIPv4 | |
% C3 t* N! L' q. i| accessIPv6 | |
; V/ @" d y ], r! Z| testnet01 network | 10.1.1.20, 192.150.73.3 |
) O! c- y+ R: T8 X: S% V| progress | 0 | 1 H4 c" M# Q6 W
| OS-EXT-STS:power_state | 1 |
2 }4 t5 n* ]" D| OS-EXT-AZ:availability_zone | nova | 6 L2 t6 E# |% k1 g0 |
| config_drive | |
2 B/ k7 j- |- X. g! V0 e+-------------------------------------+----------------------------------------------------------+
$ K5 E. @' H7 u$ Croot@network232:~# ssh -i mykey.pem -l cirros 192.150.73.3 $ K, W! H: G- c! L
OpenSSH_5.9p1 Debian-5ubuntu1.1, OpenSSL 1.0.1 14 Mar 2012 8 q$ Q! F* L! X. `
Authenticated to 192.150.73.3 ([192.150.73.3]:22). ( c) E; T9 \5 f' B9 T5 |% Y( ?
$ sudo passwd
, ?( W4 A* B) l/ S0 K* \% `8 UChanging password for root
! c' s* `3 y4 j/ ZNew password: 5 i9 _& T7 R' t4 w. Q. P7 }
Retype password: - l6 U: H2 G) ?' @, X* Q+ ?
Password for root changed by root 9 v6 k) k! \4 b2 E. p& ?$ y+ S
2、命令行执行rebuild，指定ubuntu镜像，注意此时虚拟机的image已经发生改变：! r7 j; `' E2 ?# `# S' f i; b
root@controller231:~# nova rebuild rebuild-test2 1f7f5763-33a1-4282-92b3-53366bf7c695
; @5 N. x" j8 R+ ?" S! o7 ?+-------------------------------------+-------------------------------------------------------------------+ , {0 Z1 N: n5 w$ |: m* R, K
| Property | Value | 9 Q1 ^5 ^$ k9 D% d4 b" B$ E
+-------------------------------------+-------------------------------------------------------------------+ " ]* t" J, E& _2 m
| status | REBUILD |
. q2 U6 X. U0 [+ o* Q| updated | 2013-06-24T08:34:47Z | 8 j8 Z% ^9 M& h3 q
| OS-EXT-STS:task_state | rebuilding | 8 l5 Q% U9 \8 |9 `& o
| OS-EXT-SRV-ATTR:host | controller231 |
4 V( \. h6 S: z! || key_name | mykey | ) D& I5 o7 n7 X; u! c2 G9 A1 t/ k3 u
| image | Ubuntu 12.04 cloudimg i386 (1f7f5763-33a1-4282-92b3-53366bf7c695) |
7 v! g9 P' M( X, q| hostId | 083729f2f8f664fffd4cffb8c3e76615d7abc1e11efc993528dd88b9 | ; n# p$ s& a+ E: z' \" c. g
| OS-EXT-STS:vm_state | active | ! u* l D' Z" Q4 p
| OS-EXT-SRV-ATTR:instance_name | instance-0000000e |
) m; V( d. ~& I8 f' f| OS-EXT-SRV-ATTR:hypervisor_hostname | controller231.openstack.org | 0 Z6 i% \- x8 S
| flavor | m1.small (2) | 0 f# B2 Q- S1 F( X8 z
| id | 03774415-d9ce-4b34-b012-6891d248b767 |
4 t) v- P6 A7 ?% I" _: N6 i| security_groups | [{u'name': u'default'}] | 8 b2 q* E& Q; b3 k+ x& \$ i: ^1 |4 ]
| user_id | f882feb345064e7d9392440a0f397c25 |
) q7 T0 d* M6 `' }; R% A0 l1 R| name | rebuild-test2 | - p$ N# x. w9 {
| created | 2013-06-24T08:14:38Z |
5 ~$ }; P( Z& ?4 d| tenant_id | 6fbe9263116a4b68818cf1edce16bc4f | & J* l$ J& K) \ k
| OS-DCF:diskConfig | MANUAL |
5 x) F: [# Q J4 s8 f+ {5 \; p1 `| metadata | {} | # i2 ^, {) v I9 H* ^6 Z! g
| accessIPv4 | | ) M" |# U$ c+ N/ R+ t" F
| accessIPv6 | |
7 U: T0 j3 J5 R/ c, z| testnet01 network | 10.1.1.20, 192.150.73.3 | 0 K/ ?$ X& G0 h- Z% n1 i1 y/ {# Z
| progress | 0 |
$ n4 v! s! A; O) c0 N! D| OS-EXT-STS:power_state | 1 |
, y5 Q. {7 z' j' L| OS-EXT-AZ:availability_zone | nova | $ v; h, c( U! D9 k4 c8 f* w- r2 p
| config_drive | | ! d" A# d5 w4 ?6 \; o+ l/ Y
+-------------------------------------+-------------------------------------------------------------------+
' k) ]; X4 V5 D: }$ `+ K% G& c3、等待虚拟机状态变为ACTIVE，再次登录虚拟机：
" j$ v$ i8 f* T% M7 t: b2 c1 }root@network232:~# ssh -i mykey.pem 192.150.73.3 6 R% Q. c# C& a ^$ U/ D x
Welcome to Ubuntu 12.04.1 LTS (GNU/Linux 3.2.0-35-virtual i686)
. N: G8 o$ O6 m5 _1 x 4 u- d1 U$ D8 W3 q
* Documentation: https://help.ubuntu.com/
5 k9 @1 D8 L6 D' a' ]" D) ^# @7 j ~
9 W) a- W% T3 C. c1 _/ J0 B System information as of Mon Jun 24 08:47:49 UTC 2013 9 p& ]5 f5 y3 t' e- ]
- _) k3 {5 s3 E- G* A& \0 ~
System load: 0.0 Processes: 60 X9 Z, ~8 {1 [6 ?* |1 {* `% h
Usage of /: 2.9% of 19.67GB Users logged in: 0 * n9 |1 F2 g; D8 v5 J
Memory usage: 1% IP address for eth0: 10.1.1.20
4 R/ U6 o6 b1 W4 ?, A. Q3 Y9 W- l, W Swap usage: 0% * W3 `, k) `! U+ w& ], p* l
2 ~$ e- I3 t, o& W- } Graph this data and manage this system at https://landscape.canonical.com/ ' D9 Q8 Q _% T
! r( e+ D, n) I0 V( I3 U0 packages can be updated.
) H$ t6 P, q+ ^7 ~0 updates are security updates.
: m' A: f4 `" ~6 Z" |+ _; P" t 0 E8 Z" h& X% b+ G. k; j9 i
Get cloud support with Ubuntu Advantage Cloud Guest
/ m1 N4 l8 ^: u I V: c2 I http://www.ubuntu.com/business/services/cloud
% T4 w) e2 B/ w: h8 }+ A+ pLast login: Mon Jun 24 08:46:09 2013 from 192.168.82.232 . e' h$ g; r9 X2 P! y
root@rebuild-test2:~# % Y' H1 U' v7 U3 G/ L
看到系统盘已经变成Ubuntu系统。
; N, E1 B5 b1 v- h- q' W+ g7 c5 G& l. H8 O2 E) ]" a
4、后端卷启动的虚拟机，rebuild
+ z ~5 t+ F. G/ q8 n- ?比如有一个虚拟机，后端卷启动，后端卷是cirros镜像：
5 I) L. f8 A- y5 u4 q; T2 ?root@controller231:~# nova show kong2 ! y. }" e7 _! D8 b3 C: Q2 ?' _
+-------------------------------------+----------------------------------------------------------+ 1 `" o, x. i) {) ^0 I9 B, [5 {
| Property | Value | * A9 q4 W) l0 f' I: w0 O
+-------------------------------------+----------------------------------------------------------+
8 J' {+ ?- |8 W, h6 e* G| status | ACTIVE |
% {9 }( R- `) _& p| updated | 2013-06-26T10:01:29Z |
& _! h& w/ A/ g0 Y* h: R| OS-EXT-STS:task_state | None |
3 k4 t4 F9 j! S0 [% A| OS-EXT-SRV-ATTR:host | controller231 | 1 u7 p- e, d" U. ^* Y0 t4 |
| key_name | mykey |
3 P# G7 g: z- z0 N| image | Attempt to boot from volume - no image supplied |
( A/ R5 s( ]; P| hostId | 083729f2f8f664fffd4cffb8c3e76615d7abc1e11efc993528dd88b9 | 9 |* t. x# L8 @
| OS-EXT-STS:vm_state | active |
& g& W: S! W& }/ W" x: r- }| OS-EXT-SRV-ATTR:instance_name | instance-00000021 | & T" \- A& [& l4 w; J! o/ f
| OS-EXT-SRV-ATTR:hypervisor_hostname | controller231.openstack.org | 1 L4 M9 L4 }. R6 ~) z4 q4 {6 P
| flavor | kong_flavor (6) | 4 F1 m" e; B# k2 v7 F$ r6 N; k t8 U
| id | 8989a10b-5a89-4f87-9b59-83578eabb997 |
3 t! o; |0 s9 J% U| security_groups | [{u'name': u'default'}] |
. e& ~" w1 }0 w/ ^| user_id | f882feb345064e7d9392440a0f397c25 |
- L( Y6 c: M: |( d4 [| name | kong2 |
' l" L# D* g) W9 T: A9 d| created | 2013-06-26T10:00:51Z | ) B+ i; N& o6 \1 ~2 H* v
| tenant_id | 6fbe9263116a4b68818cf1edce16bc4f | ' f: p9 d" z8 O
| OS-DCF:diskConfig | MANUAL | / ], n$ s& d$ z p! Z
| metadata | {} |
! M# \8 q t$ \# s) R; f| accessIPv4 | |
0 x8 U4 s7 [8 B& a0 {6 S| accessIPv6 | |
5 G( L2 ~9 @) t; G' T' x0 z| testnet01 network | 10.1.1.6 |
. ?4 P1 D: D" w- a* Y0 G* Z| progress | 0 |
% j4 b" s7 A; ?% ^# ^7 D# H; U! M| OS-EXT-STS:power_state | 1 |
+ d$ ~9 _+ E0 N, N0 X( V T| OS-EXT-AZ:availability_zone | nova | , X9 a, f, H7 ^% P7 R) Q8 Y
| config_drive | | & }' E, Z# d9 X- `
+-------------------------------------+----------------------------------------------------------+ 5 I* t \# n& J) d9 u0 u
注意image字段中，显示该虚拟机是boot from volume。
2 d! ]. i& a4 u9 B, H对该虚拟机进行rebuild操作，指定ubuntu镜像：; B! X! U# S; @. }$ O
root@controller231:~# nova rebuild kong2 1f7f5763-33a1-4282-92b3-53366bf7c695
7 g3 l4 p3 |0 z: \+-------------------------------------+-------------------------------------------------------------------+ 0 s/ m# \% s* v3 {
| Property | Value |
u( n" A8 d5 a! K+-------------------------------------+-------------------------------------------------------------------+
6 L2 V* @* W/ t| status | REBUILD | & C1 m, _" E& C* Q9 e/ P' x
| updated | 2013-06-26T10:25:03Z |
" K p( s0 f3 \* ^7 H' M| OS-EXT-STS:task_state | rebuilding |
. }+ M+ I$ R/ t) B. u, y. w/ m$ S; y| OS-EXT-SRV-ATTR:host | controller231 |
8 p( ]# z# [9 f| key_name | mykey | 4 H% s0 k% n( k! S
| image | Ubuntu 12.04 cloudimg i386 (1f7f5763-33a1-4282-92b3-53366bf7c695) |
2 |6 Y2 r5 g3 [5 w0 ~3 ^& e| hostId | 083729f2f8f664fffd4cffb8c3e76615d7abc1e11efc993528dd88b9 |
1 @6 ~# o. B3 V# B, m$ m. f4 M$ j2 B| OS-EXT-STS:vm_state | active | + f* M3 o) `' U7 H
| OS-EXT-SRV-ATTR:instance_name | instance-00000021 | " a# Y: D) v2 L6 E; ~9 s# `- |
| OS-EXT-SRV-ATTR:hypervisor_hostname | controller231.openstack.org | 1 h, d# W/ T) \$ }
| flavor | kong_flavor (6) |
. }7 ?3 U. p2 z3 k) n3 t9 x7 a' w| id | 8989a10b-5a89-4f87-9b59-83578eabb997 | 2 A; I, r" h! R, B1 u
| security_groups | [{u'name': u'default'}] | ' y! \1 O3 b) |4 R# K1 |
| user_id | f882feb345064e7d9392440a0f397c25 |
7 d7 V* Z6 |1 V6 z! a0 c! C| name | kong2 |
/ z" N! I: B7 h6 e k| created | 2013-06-26T10:00:51Z | ) }$ o4 X$ d4 m3 {$ O: G3 f4 K* ?) J
| tenant_id | 6fbe9263116a4b68818cf1edce16bc4f |
5 | S: p3 Q5 Y) D- c( b* Z| OS-DCF:diskConfig | MANUAL |
1 N& x5 L# V1 p| metadata | {} |
, D7 I6 I; n8 Z+ g% a| accessIPv4 | |
0 I# M) z6 {8 W( q5 l+ q! o6 \| accessIPv6 | | ) |8 n- g: t+ N2 A8 U% Q
| testnet01 network | 10.1.1.6, 192.150.73.16 |
0 ]5 b+ O0 E. C. t3 B| progress | 0 | + U* M! M) X6 i0 O, ^( O
| OS-EXT-STS:power_state | 1 |
- j3 I2 N, Q6 v* f| OS-EXT-AZ:availability_zone | nova | ) U9 w- Z: V# U$ S. C5 ~% l# s6 o' g. t
| config_drive | |
: q. G5 z. ~# o3 ~) P+-------------------------------------+-------------------------------------------------------------------+ % S8 m0 ^$ y1 u: b/ `+ H/ }# ?3 @
待虚拟机active之后，VNC登录虚拟机，发现虚拟机并没有发生变化，还是cirros。
+ y8 @( c: d5 X4 r9 y. a0 u$ `7 \因为rebuild在nova driver层调用还是spawn函数创建新的虚拟机，而后端卷启动的虚拟机，是不会跟glance打交道的，还是直接挂载系统盘。
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发表于 2018-12-17 17:00:02