如何在補(bǔ)丁StarlingX中如何創(chuàng)建補(bǔ)丁與應(yīng)用補(bǔ)???這篇文章主要講解補(bǔ)丁的修復(fù),即創(chuàng)建補(bǔ)丁和應(yīng)用補(bǔ)丁,閱讀完整文相信大家對(duì)創(chuàng)建補(bǔ)丁與應(yīng)用補(bǔ)丁有了一定的認(rèn)識(shí)。
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一個(gè)StarlingX補(bǔ)丁包括一個(gè)或多個(gè)系統(tǒng)升級(jí)所需要的rpm包。在開(kāi)始創(chuàng)建補(bǔ)丁之前需要驗(yàn)證rpm包已經(jīng)在已部署的StarlingX上安裝了。以下步驟可以幫助我們確認(rèn)。
確定已部署系統(tǒng)的軟件版本,有兩種方式
? 在horizon界面上 Admin -> Platform
-> System Configuration -> Systems
? 使用命令行 system show
controller-0:~$ . /etc/platform/openrc
[sysadmin@controller-0 ~(keystone_admin)]$ system show
+----------------------+--------------------------------------+
| Property | Value |
+----------------------+--------------------------------------+
| contact | None |
| created_at | 2019-10-14T03:10:50.862114+00:00 |
| description | None |
| https_enabled | False |
| location | None |
| name | 608dfe48-9a05-4b21-afc1-ea122574caa7 |
| region_name | RegionOne |
| sdn_enabled | False |
| security_feature | spectre_meltdown_v1 |
| service_project_name | services |
| software_version | 19.09 |
| system_mode | duplex |
| system_type | All-in-one |
| timezone | UTC |
| updated_at | 2019-10-14T03:12:41.983029+00:00 |
| uuid | 2639ad15-08a7-4f1b-a372-f927a5e4ab31 |
| vswitch_type | none |
+----------------------+--------------------------------------+
現(xiàn)在假設(shè)StarlingX的源碼已經(jīng)下載好了,需要升級(jí)安裝的rpm包也準(zhǔn)備好了,現(xiàn)在我們開(kāi)始構(gòu)造補(bǔ)丁構(gòu)建環(huán)境。再次聲明,這個(gè)教程主要針對(duì)開(kāi)發(fā)人員,而不是產(chǎn)品。
安裝2個(gè)cgcs-patch依賴(lài)包,crypto和pycrypto
sudo pip install crypto pycrypto
在這個(gè)腳本中,它從release-info.inc 文件中獲取PLATFORM_RELEASE參數(shù),并把PYTHONPATH指向repo中的cgcs-patch包,避免了安裝cgcs-patch和手動(dòng)指定PLATFORM_RELEASE參數(shù)。可以使用下面命令查看構(gòu)建腳本的使用說(shuō)明。
$ $MY_REPO/stx/stx-update/cgcs-patch/bin/patch_build --help
Usage: patch_build [ <args> ] ... <rpm list>
Options:
--id <id> Patch ID
--release <version> Platform release version
--status <status> Patch Status Code (ie. O, R, V)
--unremovable Marks patch as unremovable
--reboot-required <Y|N> Marks patch as reboot-required (default=Y)
--summary <summary> Patch Summary
--desc <description> Patch Description
--warn <warnings> Patch Warnings
--inst <instructions> Patch Install Instructions
--req <patch_id> Required Patch
--controller <rpm> New package for controller
--worker <rpm> New package for worker node
--worker-lowlatency <rpm> New package for worker-lowlatency node
--storage <rpm> New package for storage node
--controller-worker <rpm> New package for combined node
--controller-worker-lowlatency <rpm> New package for lowlatency
combined node
--all-nodes <rpm> New package for all node types
使用這個(gè)腳本可以指定patch id、reboot required、depended patches、rpm list等等,如果系統(tǒng)上沒(méi)有的,需要新安裝的包需要指定節(jié)點(diǎn),比如 --controller 指定是在控制節(jié)點(diǎn)上新裝包。腳本執(zhí)行完后,可以得到名字為“<patch-id>.patch”的文件。
下面深入研究下這個(gè)補(bǔ)丁文件。
首先,這個(gè)補(bǔ)丁文件是個(gè)gzip壓縮包。我們可以通過(guò)file命令去檢查下。
$ file 001.patch
001.patch: gzip compressed data, was "001.patch", last modified:
Fri Aug 16 05:56:59 2019, max compression
解壓出來(lái)后,可以看到以下文件
$ tar -xf 001.patch
$ tree
├── 001.patch
├── metadata.tar
├── signature
├── signature.v2
└── software.tar
$MY_REPO/build-tools/signing/ima_signing_key.priv
在metadata.tar中只有一個(gè)文件metadata.xml,包含補(bǔ)丁構(gòu)建的所有信息。StarlingX集群系統(tǒng)會(huì)讀取這個(gè)文件信息。
signature文件包含software.tar和metadata.tar的MD5的組合。
補(bǔ)丁生成后,可以手動(dòng)安裝補(bǔ)丁到指定的StarlingX系統(tǒng),同時(shí)支持界面和命令行安裝操作。補(bǔ)丁的生命周期包括四個(gè)狀態(tài): Available,Partial-Apply, Applied 和 Partial-Remove.
? Available:表示補(bǔ)丁已經(jīng)上傳到補(bǔ)丁存儲(chǔ)庫(kù)里了,但是還沒(méi)有到軟件升級(jí)的倉(cāng)庫(kù),同樣也沒(méi)有在任何主機(jī)上安裝。
? Partial-Apply:表示補(bǔ)丁升級(jí)程序已經(jīng)被觸發(fā)(sw-patch apply),已經(jīng)在部分主機(jī)上安裝,但是還沒(méi)有在所有需要安裝的主機(jī)上安裝。
? Applied:表示已經(jīng)在所有需要安裝的主機(jī)上安裝完成。
? Partial-Remove:表示補(bǔ)丁正在被移除,通過(guò)命令觸發(fā)(sw-patch remove),正在移除,但是還沒(méi)完全移除。
如果需要用命令行安裝補(bǔ)丁,需要把補(bǔ)丁拷貝到active的控制節(jié)點(diǎn)上。StarlingX集群提供客戶(hù)端命令sw-patch。補(bǔ)丁操作都是通過(guò)這個(gè)命令完成,這個(gè)命令提供了很多功能,包括upload, apply, query,host-install, delete, remove等等。
controller-0:~$ sw-patch --help
usage: sw-patch [--debug]
<subcommand> ...
Subcomands:
upload: Upload one or more patches to the patching system.
upload-dir: Upload patches from one or more directories to the
patching system.
apply: Apply one or more patches. This adds the specified
patches to the repository, making the update(s)
available to the hosts in the system. Use --all to
apply all available patches.
Patches are specified as a space-separated list of
patch IDs.
remove: Remove one or more patches. This removes the specified
patches from the repository.
Patches are specified as a space-separated list of
patch IDs.
delete: Delete one or more patches from the patching system.
Patches are specified as a space-separated list of
patch IDs.
query: Query system patches. Optionally, specify 'query
applied' to query only those patches that are applied,
or 'query available' to query those that are not.
show: Show details for specified patches.
what-requires: List patches that require the specified patches.
query-hosts: Query patch states for hosts in the system.
host-install: Trigger patch install/remove on specified host. To
force install on unlocked node, use the --force option.
host-install-async: Trigger patch install/remove on specified host. To
force install on unlocked node, use the --force option.
Note: This command returns immediately upon dispatching
installation request.
install-local: Trigger patch install/remove on the local host. This
command can only be used for patch installation prior
to initial configuration.
drop-host: Drop specified host from table.
query-dependencies: List dependencies for specified patch. Use
--recursive for recursive query.
is-applied: Query Applied state for list of patches. Returns True
if all are Applied, False otherwise.
report-app-dependencies: Report application patch dependencies,
specifying application name with --app option, plus a
list of patches. Reported dependencies can be dropped
by specifying app with no patch list.
query-app-dependencies: Display set of reported application patch
dependencies.
commit: Commit patches to free disk space. WARNING: This
action is irreversible!
--os-region-name: Send the request to a specified region
下面演示如何使用這個(gè)命令去安裝補(bǔ)丁。演示用的補(bǔ)丁是需要安裝在所有主機(jī)上的In-Service補(bǔ)丁,需要升級(jí)的StarlingX環(huán)境是 2+2+2的標(biāo)準(zhǔn)環(huán)境。
Patch Current 表示當(dāng)前主機(jī)是否有補(bǔ)丁安裝,Yes表示沒(méi)有安裝補(bǔ)丁,No表示至少有一個(gè)補(bǔ)丁在安裝
當(dāng)補(bǔ)丁狀態(tài)available后,可以觸發(fā)補(bǔ)丁安裝
controller-0:/$ sudo sw-patch apply 001
001 is now in the repo
檢查補(bǔ)丁狀態(tài)
controller-0:~$ sudo sw-patch query
Patch ID RR Release Patch State
======== == ======= =============
001 N 19.09 Partial-Apply
檢查節(jié)點(diǎn)狀態(tài)
controller-0:~$ sudo sw-patch query-hosts
Hostname IP Address Patch Current Reboot Required Release State
============ ============== ============= =============== ====== =====
compute-0 192.178.204.7 No No 19.09 idle
compute-1 192.178.204.9 No No 19.09 idle
controller-0 192.178.204.3 No No 19.09 idle
controller-1 192.178.204.4 No No 19.09 idle
storage-0 192.178.204.12 No No 19.09 idle
storage-1 192.178.204.11 No No 19.09 idle
在每個(gè)節(jié)點(diǎn)上安裝補(bǔ)丁,由于是in-service 補(bǔ)丁,所以不需要執(zhí)行l(wèi)ock操作。
controller-0:~$ sudo sw-patch host-install controller-0
...
Installation was successful.
檢查主機(jī)升級(jí)狀態(tài)
controller-0:~$ sudo sw-patch query-hosts
Hostname IP Address Patch Current Reboot Required Release State
============ ============== ============= =============== ====== =====
compute-0 192.178.204.7 No No 19.09 idle
compute-1 192.178.204.9 No No 19.09 idle
controller-0 192.178.204.3 Yes No 19.09 idle
controller-1 192.178.204.4 No No 19.09 idle
storage-0 192.178.204.12 No No 19.09 idle
storage-1 192.178.204.11 No No 19.09 idle
在所有節(jié)點(diǎn)上安裝補(bǔ)丁,需要為每個(gè)節(jié)點(diǎn)執(zhí)行命令
controller-0:~$ sudo sw-patch host-install controller-1
....
Installation was successful.
controller-0:~$ sudo sw-patch host-install compute-0
....
Installation was successful.
controller-0:~$ sudo sw-patch host-install compute-1
....
Installation was successful.
controller-0:~$ sudo sw-patch host-install storage-0
...
Installation was successful.
controller-0:~$ sudo sw-patch host-install storage-1
...
Installation was successful.
除了補(bǔ)丁升級(jí),StarlingX還支持補(bǔ)丁回退和刪除,通過(guò)下面兩個(gè)命令實(shí)現(xiàn)sw-patch remove和sw-patch host-install,和補(bǔ)丁安裝有點(diǎn)類(lèi)似。
在上面的例子中,演示了在集群中補(bǔ)丁升級(jí)的功能。但是在大規(guī)模集群中,整個(gè)升級(jí)過(guò)程會(huì)持續(xù)很長(zhǎng)的時(shí)間。特別是reboot-required補(bǔ)丁,這個(gè)方案會(huì)很糟糕,效率很低而且給管理員帶來(lái)很多工作。因此StarlingX提供了另一個(gè)高級(jí)特性“補(bǔ)丁編排”。它支持集群通過(guò)一些簡(jiǎn)單的操作達(dá)到升級(jí)的目的,極大減少管理員的工作負(fù)擔(dān)和較少出錯(cuò)。這個(gè)功能有三種方式使用,客戶(hù)端CLI、界面Horizon和VIM Restful API。
客戶(hù)端CLI。StarlingX提供客戶(hù)端工具sw-manager, 可以用于補(bǔ)丁編排。如下所示,可以通過(guò)創(chuàng)建和應(yīng)用補(bǔ)丁策略來(lái)升級(jí)整個(gè)集群
controller-0:~$ sw-manager patch-strategy -h
usage: sw-manager patch-strategy [-h] ...
optional arguments:
-h, --help show this help message and exit
Software Patch Commands:
create Create a strategy
delete Delete a strategy
apply Apply a strategy
abort Abort a strategy
show Show a strategy
controller-0:~$ sw-manager patch-strategy create -h
usage: sw-manager patch-strategy create [-h]
[--controller-apply-type {serial,ignore}]
[--storage-apply-type {serial,parallel,ignore}]
[--worker-apply-type {serial,parallel,ignore}]
[--max-parallel-worker-hosts {2,3,4,5,6,7,8,9,10,
11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,
28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,
45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,
62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,
79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,
96,97,98,99,100}]
[--instance-action {migrate,stop-start}]
[--alarm-restrictions {strict,relaxed}]
optional arguments:
-h, --help show this help message and exit
--controller-apply-type {serial,ignore}
defaults to serial
--storage-apply-type {serial,parallel,ignore}
defaults to serial
--worker-apply-type {serial,parallel,ignore}
defaults to serial
--max-parallel-worker-hosts {2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,
17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,
37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,
57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,
77,78,79,80,81,82,83,84,85,86,87,88,89,90,91,92,93,94,95,96,
97,98,99,100}
maximum worker hosts to patch in parallel
--instance-action {migrate,stop-start}
defaults to stop-start
--alarm-restrictions {strict,relaxed}
defaults to strict
界面Horizon。打開(kāi)Admin -> Platform
-> Software Management -> Patch Orchestration 標(biāo)簽
在補(bǔ)丁安裝時(shí),補(bǔ)丁編排要求集群處于一個(gè)良好的狀態(tài)。
? 所有主機(jī)必須處于unlocked-enabled-available狀態(tài)
? 系統(tǒng)沒(méi)有告警
? 足夠的空間用于VM遷移
? 所有的源碼都在StarlingX倉(cāng)庫(kù)里開(kāi)源,包括“update”和“nfv”
? in-service補(bǔ)丁和reboot-required補(bǔ)丁的生成和安裝已經(jīng)經(jīng)過(guò)驗(yàn)證
? 補(bǔ)丁編排還沒(méi)經(jīng)過(guò)驗(yàn)證
看完這篇文章,你們學(xué)會(huì)創(chuàng)建補(bǔ)丁與應(yīng)用補(bǔ)丁了嗎?如果還想學(xué)到更多技能或想了解更多相關(guān)內(nèi)容,歡迎關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道,感謝各位的閱讀。
當(dāng)前題目:StarlingX中如何創(chuàng)建補(bǔ)丁與應(yīng)用補(bǔ)丁
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