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我試圖建立從樣品通過AWS http://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/quickref-ecs.html樣品AWS EC2容器服務雲的形成模板失敗
堆棧開始創建cluser /服務/任務等精細提供疊層，只是它利己註冊EC2容器到我的集羣和堆棧創建最終失敗。
挖到/var/log/cloud-init-ouput.log我覺得這
+ yum install -y aws-cfn-bootstrap
Loaded plugins: priorities, update-motd, upgrade-helper
One of the configured repositories failed (Unknown),
and yum doesn't have enough cached data to continue. At this point the only
safe thing yum can do is fail. There are a few ways to work "fix" this:
1. Contact the upstream for the repository and get them to fix the problem.
2. Reconfigure the baseurl/etc. for the repository, to point to a working
upstream. This is most often useful if you are using a newer
distribution release than is supported by the repository (and the
packages for the previous distribution release still work).
3. Disable the repository, so yum won't use it by default. Yum will then
just ignore the repository until you permanently enable it again or use
--enablerepo for temporary usage:
yum-config-manager --disable <repoid>
4. Configure the failing repository to be skipped, if it is unavailable.
Note that yum will try to contact the repo. when it runs most commands,
so will have to try and fail each time (and thus. yum will be be much
slower). If it is a very temporary problem though, this is often a nice
compromise:
yum-config-manager --save --setopt=<repoid>.skip_if_unavailable=true
Cannot find a valid baseurl for repo: amzn-main/latest
Could not retrieve mirrorlist http://repo.ap-southeast-2.amazonaws.com/latest/main/mirror.list error was
12: Timeout on http://repo.ap-southeast-2.amazonaws.com/latest/main/mirror.list: (28, 'Connection timed out after 10001 milliseconds')
看來儘管堆棧正在部署，它無法訪問網絡做了百勝安裝。 通過ssh連接到框和運行
yum install -y aws-cfn-bootstrap
的作品就好了。
任何線索什麼會阻止堆棧在部署時訪問網絡？