Omni Notes
GENI 的 Slice 除了使用圖形界面來管理以外, 也有其他的工具.
Omni 就是其中之一, 使用文字界面來管理 GENI 的 Slice.
Omni Wiki
Reference
安裝 Omni 我這次是用 Mac OS 來安裝
Mac 下載頁面
Mac 安裝說明
下載之後把 Omni 解開之後複製到 Applications
為了之後下指令方便, 官方有寫了一個 aliases 的 shell script.
內容如下
$ grep -v ^# /Applications/omniTools-2.9/addAliases.command
writeAliases () {
# Append a blank last line if there isn't one already
lastline=`tail -1 $1`
if [ "$lastline" != "" ]; then
echo $'\n' >> $1
fi
echo "# Aliases for commands in the GENI omniTools-2.9 package" >> $1
echo "alias omni='/Applications/omniTools-2.9/omni.app/Contents/MacOS/omni'" >> $1
echo "alias stitcher='/Applications/omniTools-2.9/stitcher.app/Contents/MacOS/stitcher'" >> $1
echo "alias omni-configure='/Applications/omniTools-2.9/omni-configure.app/Contents/MacOS/omni-configure'" >> $1
echo "alias readyToLogin='/Applications/omniTools-2.9/readyToLogin.app/Contents/MacOS/readyToLogin'" >> $1
echo "alias addMemberToSliceAndSlivers='/Applications/omniTools-2.9/addMemberToSliceAndSlivers.app/Contents/MacOS/addMemberToSliceAndSlivers'" >> $1
echo "alias clear-passphrases='/Applications/omniTools-2.9/clear-passphrases.app/Contents/MacOS/clear-passphrases'" >> $1
echo "alias remote-execute='/Applications/omniTools-2.9/remote-execute.app/Contents/MacOS/remote-execute'" >> $1
}
removeAliases () {
sed -i".bak" '/\/Applications\/omniTools/d;/# Aliases for commands in the GENI omniTools/d' $1
}
wroteAliases=false
for rcFile in $HOME/.bash_profile $HOME/.bash_login $HOME/.profile ; do
if [ -f $rcFile ] ; then
removeAliases $rcFile
fi
done
for rcFile in $HOME/.bash_profile $HOME/.bash_login $HOME/.profile ; do
if [ -f $rcFile ] ; then
writeAliases $rcFile
wroteAliases=true
break
fi
done
if ! $wroteAliases ; then
rcFile="$HOME/.bash_profile"
echo $rcFile
touch $rcFile
writeAliases $rcFile
fi
以後打指令應該不想要打絕對路徑, 就執行這個 script 吧
還沒有執行前
$ omni
-bash: omni: command not found
執行 addAliases.command
$ /Applications/omniTools-2.9/addAliases.command
開一個新的終端機
$ omni --version
omni.py: GENI Omni Command Line Aggregate Manager Tool Version 2.9
Copyright (c) 2011-2015 Raytheon BBN Technologies
設定 Omni
首先要下載必要的資訊
登入到 GENI 點選右上角的 自己名字, 然後點選 Profile
點選 Configure omni
點選 Generate an SSL certificate
會另開一個視窗來到 GENI Certificate Management 畫面
點選 Generate Combined Certificate and Key File
下載憑證還有 Key
點選 Download Your Portal Generated Certificate and Private Key
回到 Configure omni 畫面
點選 Download your omni data
在下載頁面
點選 Download your omni data
系統會下載一個 omni.bundle , 把它存到 ~/Downloads/omni.bundle
開啟終端機
先觀察 ~/.gcf 目錄
$ ls -a ~/.gcf
. .. agg_nick_cache
執行 omni-configure 來設定
$ omni-configure
Creating omni_config: /Users/max/.gcf/omni_config
Using portal bundle: /Users/max/Downloads/omni.bundle
SSL certificate stored at:
/Users/max/.ssl/geni_cert_portal.pem
Private SSH key stored at:
/Users/max/.ssh/geni_key_portal
Public SSH key stored at:
/Users/max/.ssh/geni_key_portal.pub
Script will create an extra public key file, based on the private key of the SSL cert:
/Users/max/.ssl/geni_cert_portal.pem
Private SSH key from your SSL cert stored at:
/Users/max/.ssh/geni_cert_portal_key
Public SSH key from your SSL cert stored at:
/Users/max/.ssh/geni_cert_portal_key.pub
Wrote omni configuration file at:
/Users/max/.gcf/omni_config
================================================================================
Omni is now configured!
To test your configuration, run:
omni -a gpo-ig getversion
執行完畢之後觀察, 有興趣可以去看 omni_config
$ ls -a ~/.gcf
. .. agg_nick_cache omni_config
測試 omni
$ omni -a gpo-ig getversion
基本指令練習
列出目前的 slices (maxhuang 是 username)
$ omni listmyslices maxhuang
14:39:06 INFO : Loading agg_nick_cache file '/Users/max/.gcf/agg_nick_cache'
14:39:06 INFO : Loading config file '/Users/max/.gcf/omni_config'
14:39:06 INFO : Using control framework portal
14:39:06 INFO : Member Authority is https://ch.geni.net/MA (from config)
14:39:06 INFO : Slice Authority is https://ch.geni.net/SA (from config)
14:39:06 INFO : User 'maxhuang' has 1 slice(s):
urn:publicid:IDN+ch.geni.net:SDXs+slice+sakanalab
14:39:06 INFO : ------------------------------------------------------
14:39:06 INFO : Completed listmyslices:
Options as run:
framework: portal
project: SDXs
Args: listmyslices maxhuang
Result Summary: Printed user maxhuang slices. Found 1 slice(s) for user 'maxhuang'.
14:39:06 INFO : ======================================================
建立 slice
$ omni createslice sakana20150824
14:42:06 INFO : Loading agg_nick_cache file '/Users/max/.gcf/agg_nick_cache'
14:42:06 INFO : Loading config file '/Users/max/.gcf/omni_config'
14:42:06 INFO : Using control framework portal
14:42:06 INFO : Member Authority is https://ch.geni.net/MA (from config)
14:42:06 INFO : Slice Authority is https://ch.geni.net/SA (from config)
14:42:07 INFO : Created slice with Name sakana20150824, URN urn:publicid:IDN+ch.geni.net:SDXs+slice+sakana20150824, Expiration 2015-08-31 19:42:07+00:00
14:42:07 INFO : ------------------------------------------------------
14:42:07 INFO : Completed createslice:
Options as run:
framework: portal
project: SDXs
Args: createslice sakana20150824
Result Summary: Created slice with Name sakana20150824, URN urn:publicid:IDN+ch.geni.net:SDXs+slice+sakana20150824, Expiration 2015-08-31 19:42:07+00:00
14:42:07 INFO : ======================================================
可以透過 omni listmyslices 來列出 slices 確認或是到 Web 界面確認
Renew slice (omni renewslice slice名稱 日期)
$ omni renewslice sakana20150824 20150904
如果要建立 Resource ( VM / PC ), 那就要了解 RSpec 了
RSpec ( Resource Specification ) 說明可以看這邊
主要進行方式如下
利用練習的 RSpec 建立 Resource ( sakana20150824 為 slicename )
$ omni createsliver -a nysernet-ig sakana20150824 http://www.gpolab.bbn.com/experiment-support/HelloGENI/hellogeni.rspec
列出 Resource
$ omni listresources -a nysernet-ig sakana20150824
列出 Resource 狀態
$ omni sliverstatus -a nysernet-ig sakana20150824
接下來練習用自己指定的 rspec 來建立 Resource
RSpec 的取得, 簡易的方式為透過 Web 界面來取得或是下載
在Slice 界面點選 Add Resource
拖曳 VM 或是 PC
選取相關規格
點選 View Rspec 就會出現自己選的 RSpec
將這段文字儲存為 xml 或是 .rspec
測試的 RSepc 檔案 test.rspec 如下
<rspec xmlns="http://www.geni.net/resources/rspec/3" xmlns:emulab="http://www.protogeni.net/resources/rspec/ext/emulab/1" xmlns:tour="http://www.protogeni.net/resources/rspec/ext/apt-tour/1" xmlns:jacks="http://www.protogeni.net/resources/rspec/ext/jacks/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.geni.net/resources/rspec/3 http://www.geni.net/resources/rspec/3/request.xsd" type="request">
<node xmlns="http://www.geni.net/resources/rspec/3" client_id="node-0" component_manager_id="urn:publicid:IDN+exogeni.net:slvmsite+authority+am">
<icon xmlns="http://www.protogeni.net/resources/rspec/ext/jacks/1" url="https://portal.geni.net/images/EG-VM-noTxt-centered.svg"/>
<routable_control_ip xmlns="http://www.protogeni.net/resources/rspec/ext/emulab/1"/>
<sliver_type xmlns="http://www.geni.net/resources/rspec/3" name="XOLarge">
<disk_image xmlns="http://www.geni.net/resources/rspec/3" name="http://geni-images.renci.org/images/standard/ubuntu/ub1404-v1.0.3.xml" version="2d553fdbca830020d7cf13011399d7210dcefe96"/>
</sliver_type>
<hardware_type xmlns="http://www.geni.net/resources/rspec/3" name="orca-vm-cloud"/>
<services xmlns="http://www.geni.net/resources/rspec/3"/>
</node>
</rspec>
<node xmlns="http://www.geni.net/resources/rspec/3" client_id="node-0" component_manager_id="urn:publicid:IDN+exogeni.net:slvmsite+authority+am">
<icon xmlns="http://www.protogeni.net/resources/rspec/ext/jacks/1" url="https://portal.geni.net/images/EG-VM-noTxt-centered.svg"/>
<routable_control_ip xmlns="http://www.protogeni.net/resources/rspec/ext/emulab/1"/>
<sliver_type xmlns="http://www.geni.net/resources/rspec/3" name="XOLarge">
<disk_image xmlns="http://www.geni.net/resources/rspec/3" name="http://geni-images.renci.org/images/standard/ubuntu/ub1404-v1.0.3.xml" version="2d553fdbca830020d7cf13011399d7210dcefe96"/>
</sliver_type>
<hardware_type xmlns="http://www.geni.net/resources/rspec/3" name="orca-vm-cloud"/>
<services xmlns="http://www.geni.net/resources/rspec/3"/>
</node>
</rspec>
大致上有
- rspec
- node
- routable_control_ip
- sliver_type
- hardware_type
按照上面 omni createsliver 指令 我們還要有 -a Aggregates名稱
Aggregates 名稱可以從這個地方查
例如 我如果是要使用 StarLightExoGENI 就到他的 wiki 資訊頁面
查到他的 Aggregate Manager Common Name 為 sl-eg
嘗試使用自己選的 image 來建立 Resource
$ omni createsliver sakana20150824 -a sl-eg https://dl.dropboxusercontent.com/u/12787647/iCAIR/GENI/test.rspec
16:20:37 INFO : Loading agg_nick_cache file '/Users/max/.gcf/agg_nick_cache'
16:20:37 INFO : Loading config file '/Users/max/.gcf/omni_config'
16:20:37 INFO : Using control framework portal
16:20:37 INFO : Member Authority is https://ch.geni.net/MA (from config)
16:20:37 INFO : Slice Authority is https://ch.geni.net/SA (from config)
16:20:37 INFO : Substituting AM nickname sl-eg with URL https://sl-hn.exogeni.net:11443/orca/xmlrpc, URN urn:publicid:IDN+exogeni.net:slvmsite+authority+am
16:20:38 INFO : Slice urn:publicid:IDN+ch.geni.net:SDXs+slice+sakana20150824 expires on 2015-09-04 00:00:00 UTC
16:20:40 INFO : Creating sliver(s) from rspec file https://dl.dropboxusercontent.com/u/12787647/iCAIR/GENI/test.rspec for slice urn:publicid:IDN+ch.geni.net:SDXs+slice+sakana20150824
16:20:44 WARNING : Failed CreateSliver for slice sakana20150824 at sl-eg. Error from Aggregate: code 2: ERROR: duplicate slice urn urn:publicid:IDN+ch.geni.net:SDXs+slice+sakana20150824.
16:20:44 INFO : ------------------------------------------------------
16:20:44 INFO : Completed createsliver:
Options as run:
aggregate: ['sl-eg']
framework: portal
project: SDXs
Args: createsliver sakana20150824 https://dl.dropboxusercontent.com/u/12787647/iCAIR/GENI/test.rspec
Result Summary: Failed CreateSliver for slice sakana20150824 at sl-eg. Error from Aggregate: code 2: ERROR: duplicate slice urn urn:publicid:IDN+ch.geni.net:SDXs+slice+sakana20150824.
16:20:44 INFO : ======================================================
這個時候會失敗, 因為 GENI 的設計上面, 一個 Slice 只接受一次 createsliver 的請求
- 也就是說如果你要建立新的 Resource 就要把舊的 delete
- 如果一次使用兩個 Resource ( VM / PC ), 要一次設定好
那就順便練習一下刪除 Resource 吧
$ omni deletesliver sakana20150824 -a sl-eg
16:24:46 INFO : Loading agg_nick_cache file '/Users/max/.gcf/agg_nick_cache'
16:24:46 INFO : Loading config file '/Users/max/.gcf/omni_config'
16:24:46 INFO : Using control framework portal
16:24:46 INFO : Member Authority is https://ch.geni.net/MA (from config)
16:24:46 INFO : Slice Authority is https://ch.geni.net/SA (from config)
16:24:46 INFO : Substituting AM nickname sl-eg with URL https://sl-hn.exogeni.net:11443/orca/xmlrpc, URN urn:publicid:IDN+exogeni.net:slvmsite+authority+am
16:24:47 INFO : Slice urn:publicid:IDN+ch.geni.net:SDXs+slice+sakana20150824 expires on 2015-09-04 00:00:00 UTC
16:24:49 INFO : Deleted sliver urn:publicid:IDN+ch.geni.net:SDXs+slice+sakana20150824 at sl-eg
16:24:49 INFO : ------------------------------------------------------
16:24:49 INFO : Completed deletesliver:
Options as run:
aggregate: ['sl-eg']
framework: portal
project: SDXs
Args: deletesliver sakana20150824
Result Summary: Deleted sliver urn:publicid:IDN+ch.geni.net:SDXs+slice+sakana20150824 at sl-eg
16:24:49 INFO : ======================================================
刪除完畢之後驗證一下
$ omni listresources -a sl-eg sakana20150824
16:31:19 INFO : Loading agg_nick_cache file '/Users/max/.gcf/agg_nick_cache'
16:31:19 INFO : Loading config file '/Users/max/.gcf/omni_config'
16:31:19 INFO : Using control framework portal
16:31:19 INFO : Member Authority is https://ch.geni.net/MA (from config)
16:31:19 INFO : Slice Authority is https://ch.geni.net/SA (from config)
16:31:19 INFO : Substituting AM nickname sl-eg with URL https://sl-hn.exogeni.net:11443/orca/xmlrpc, URN urn:publicid:IDN+exogeni.net:slvmsite+authority+am
16:31:20 INFO : Slice urn:publicid:IDN+ch.geni.net:SDXs+slice+sakana20150824 expires on 2015-09-04 00:00:00 UTC
16:31:20 INFO : Gathering resources reserved for slice sakana20150824.
16:31:21 WARNING : No resource listing returned!
16:31:21 INFO : Listed reserved resources on 0 out of 1 possible aggregates.
16:31:21 WARNING : No RSpec returned for slice sakana20150824 from exogeni-net-slvmsite
16:31:21 INFO : ------------------------------------------------------
16:31:21 INFO : Completed listresources:
Options as run:
aggregate: ['sl-eg']
framework: portal
project: SDXs
Args: listresources sakana20150824
Result Summary: Queried resources for slice sakana20150824 from 0 of 1 aggregate(s).
No resources from AM sl-eg: (Error from Aggregate: code 12: Invalid slice urn urn:publicid:IDN+ch.geni.net:SDXs+slice+sakana20150824.)
16:31:21 INFO : ======================================================
再次要求建立 Resource
$ omni createsliver sakana20150824 -a sl-eg https://dl.dropboxusercontent.com/u/12787647/iCAIR/GENI/test.rspec
16:33:14 INFO : Loading agg_nick_cache file '/Users/max/.gcf/agg_nick_cache'
16:33:14 INFO : Loading config file '/Users/max/.gcf/omni_config'
16:33:14 INFO : Using control framework portal
16:33:14 INFO : Member Authority is https://ch.geni.net/MA (from config)
16:33:14 INFO : Slice Authority is https://ch.geni.net/SA (from config)
16:33:14 INFO : Substituting AM nickname sl-eg with URL https://sl-hn.exogeni.net:11443/orca/xmlrpc, URN urn:publicid:IDN+exogeni.net:slvmsite+authority+am
16:33:14 INFO : Slice urn:publicid:IDN+ch.geni.net:SDXs+slice+sakana20150824 expires on 2015-09-04 00:00:00 UTC
16:33:16 INFO : Creating sliver(s) from rspec file https://dl.dropboxusercontent.com/u/12787647/iCAIR/GENI/test.rspec for slice urn:publicid:IDN+ch.geni.net:SDXs+slice+sakana20150824
16:33:23 INFO : Got return from CreateSliver for slice sakana20150824 at sl-eg:
16:33:23 INFO : <?xml version="1.0" ?>
16:33:23 INFO : <!-- Reserved resources for:
Slice: sakana20150824
at AM:
URN: urn:publicid:IDN+exogeni.net:slvmsite+authority+am
URL: https://sl-hn.exogeni.net:11443/orca/xmlrpc
-->
16:33:23 INFO : <rspec type="manifest" xmlns="http://www.geni.net/resources/rspec/3" xmlns:ns2="http://hpn.east.isi.edu/rspec/ext/stitch/0.1/" xmlns:ns3="http://groups.geni.net/exogeni/attachment/wiki/RspecExtensions/slice-info/1" xmlns:ns4="http://groups.geni.net/exogeni/attachment/wiki/RspecExtensions/sliver-info/1" xmlns:ns5="http://www.geni.net/resources/rspec/ext/postBootScript/1" xmlns:ns6="http://www.geni.net/resources/rspec/ext/color/2" xmlns:ns7="http://www.geni.net/resources/rspec/ext/storage/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.geni.net/resources/rspec/3 http://www.geni.net/resources/rspec/3/manifest.xsd http://hpn.east.isi.edu/rspec/ext/stitch/0.1/ http://hpn.east.isi.edu/rspec/ext/stitch/0.1/stitch-schema.xsd http://groups.geni.net/exogeni/attachment/wiki/RspecExtensions/slice-info/1 http://groups.geni.net/exogeni/attachment/wiki/RspecExtensions/slice-info/1/slice_info.xsd?format=raw http://groups.geni.net/exogeni/attachment/wiki/RspecExtensions/sliver-info/1 http://groups.geni.net/exogeni/attachment/wiki/RspecExtensions/sliver-info/1/sliver_info.xsd?format=raw http://www.geni.net/resources/rspec/ext/postBootScript/1 http://www.geni.net/resources/rspec/ext/postBootScript/1/request.xsd http://www.geni.net/resources/rspec/ext/color/2 http://www.geni.net/resources/rspec/ext/color/2/color.xsdhttp://www.geni.net/resources/rspec/ext/storage/1 http://www.geni.net/resources/rspec/ext/storage/1/storage.xsd">
<node client_id="node-0" component_id="urn:publicid:IDN+exogeni.net:slvmsite+node+orca-vm-cloud" component_manager_id="urn:publicid:IDN+exogeni.net:slvmsite+authority+am" component_name="orca-vm-cloud" exclusive="false" sliver_id="urn:publicid:IDN+exogeni.net:slvmsite+sliver+14785705-276f-455a-8d41-ecd7feace2af:node-0">
<location country="unknown" latitude="42.05286" longitude="-87.681564"/>
<sliver_type name="xo.large">
<disk_image name="http://geni-images.renci.org/images/standard/ubuntu/ub1404-v1.0.3.xml" version="2d553fdbca830020d7cf13011399d7210dcefe96"/>
</sliver_type>
<services/>
<ns4:geni_sliver_info creation_time="2015-08-25T21:33:18.000Z" creator_urn="max-huang@northwestern.edu, urn:publicid:IDN+ch.geni.net+user+maxhuang" expiration_time="2015-09-04T00:00:00.000Z" start_time="2015-08-25T21:33:18.000Z" state="configuring"/>
</node>
<ns3:geni_slice_info state="configuring" urn="urn:publicid:IDN+ch.geni.net:SDXs+slice+sakana20150824" uuid="ec660c50-19c1-4fa1-9394-7c908b1b6038"/>
</rspec>
16:33:23 INFO : ------------------------------------------------------
16:33:23 INFO : Completed createsliver:
Options as run:
aggregate: ['sl-eg']
framework: portal
project: SDXs
Args: createsliver sakana20150824 https://dl.dropboxusercontent.com/u/12787647/iCAIR/GENI/test.rspec
Result Summary: Got Reserved resources RSpec from exogeni-net-slvmsite
16:33:23 INFO : ======================================================
那如果是一次建立兩個 Resources 呢
測試的 RSepc 檔案 test2.rspec 如下
<rspec xmlns="http://www.geni.net/resources/rspec/3" xmlns:emulab="http://www.protogeni.net/resources/rspec/ext/emulab/1" xmlns:tour="http://www.protogeni.net/resources/rspec/ext/apt-tour/1" xmlns:jacks="http://www.protogeni.net/resources/rspec/ext/jacks/1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.geni.net/resources/rspec/3 http://www.geni.net/resources/rspec/3/request.xsd" type="request">
<node xmlns="http://www.geni.net/resources/rspec/3" client_id="node-0" component_manager_id="urn:publicid:IDN+exogeni.net:slvmsite+authority+am">
<icon xmlns="http://www.protogeni.net/resources/rspec/ext/jacks/1" url="https://portal.geni.net/images/EG-VM-noTxt-centered.svg"/>
<routable_control_ip xmlns="http://www.protogeni.net/resources/rspec/ext/emulab/1"/>
<sliver_type xmlns="http://www.geni.net/resources/rspec/3" name="XOLarge">
<disk_image xmlns="http://www.geni.net/resources/rspec/3" name="http://geni-images.renci.org/images/standard/ubuntu/ub1404-v1.0.3.xml" version="2d553fdbca830020d7cf13011399d7210dcefe96"/>
</sliver_type>
<hardware_type xmlns="http://www.geni.net/resources/rspec/3" name="orca-vm-cloud"/>
<services xmlns="http://www.geni.net/resources/rspec/3"/>
</node>
<node xmlns="http://www.geni.net/resources/rspec/3" client_id="node-1" component_manager_id="urn:publicid:IDN+exogeni.net:slvmsite+authority+am">
<icon xmlns="http://www.protogeni.net/resources/rspec/ext/jacks/1" url="https://portal.geni.net/images/EG-VM-noTxt-centered.svg"/>
<routable_control_ip xmlns="http://www.protogeni.net/resources/rspec/ext/emulab/1"/>
<sliver_type xmlns="http://www.geni.net/resources/rspec/3" name="XOLarge">
<disk_image xmlns="http://www.geni.net/resources/rspec/3" name="http://geni-images.renci.org/images/standard/ubuntu/ub1404-v1.0.3.xml" version="2d553fdbca830020d7cf13011399d7210dcefe96"/>
</sliver_type>
<hardware_type xmlns="http://www.geni.net/resources/rspec/3" name="orca-vm-cloud"/>
<services xmlns="http://www.geni.net/resources/rspec/3"/>
</node>
</rspec>
<node xmlns="http://www.geni.net/resources/rspec/3" client_id="node-0" component_manager_id="urn:publicid:IDN+exogeni.net:slvmsite+authority+am">
<icon xmlns="http://www.protogeni.net/resources/rspec/ext/jacks/1" url="https://portal.geni.net/images/EG-VM-noTxt-centered.svg"/>
<routable_control_ip xmlns="http://www.protogeni.net/resources/rspec/ext/emulab/1"/>
<sliver_type xmlns="http://www.geni.net/resources/rspec/3" name="XOLarge">
<disk_image xmlns="http://www.geni.net/resources/rspec/3" name="http://geni-images.renci.org/images/standard/ubuntu/ub1404-v1.0.3.xml" version="2d553fdbca830020d7cf13011399d7210dcefe96"/>
</sliver_type>
<hardware_type xmlns="http://www.geni.net/resources/rspec/3" name="orca-vm-cloud"/>
<services xmlns="http://www.geni.net/resources/rspec/3"/>
</node>
<node xmlns="http://www.geni.net/resources/rspec/3" client_id="node-1" component_manager_id="urn:publicid:IDN+exogeni.net:slvmsite+authority+am">
<icon xmlns="http://www.protogeni.net/resources/rspec/ext/jacks/1" url="https://portal.geni.net/images/EG-VM-noTxt-centered.svg"/>
<routable_control_ip xmlns="http://www.protogeni.net/resources/rspec/ext/emulab/1"/>
<sliver_type xmlns="http://www.geni.net/resources/rspec/3" name="XOLarge">
<disk_image xmlns="http://www.geni.net/resources/rspec/3" name="http://geni-images.renci.org/images/standard/ubuntu/ub1404-v1.0.3.xml" version="2d553fdbca830020d7cf13011399d7210dcefe96"/>
</sliver_type>
<hardware_type xmlns="http://www.geni.net/resources/rspec/3" name="orca-vm-cloud"/>
<services xmlns="http://www.geni.net/resources/rspec/3"/>
</node>
</rspec>
主要就是多一個 node 的描述
也可以參考 vimdiff 的結果
這樣就可以進行基本的 Omni 操作了
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