blocks|key|2268336|text|因此，最后，我使用了以下方法来解决这个问题：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2268337|创建快照|ordered-list-item|2268338|使用循环检查命令aws+ec2+wait+snapshot-completed的退出状态|offset|length|style|CODE|2268339|如果退出状态不是0，则打印当前状态，进度并再次运行侍者。|2268340|​|2268341|#+Create+snapshot
SNAPSHOT_DESCRIPTION="Snapshot+of+Primary+frontend+instance+$(date+%2B%25Y-%25m-%25d)"
SNAPSHOT_ID=$(aws+ec2+create-snapshot+"${DRYRUN}"+--volume-id+"${ROOT_VOLUME_ID}"+--description+"${SNAPSHOT_DESCRIPTION}"+--query+'SnapshotId')

while+[+"${exit_status}"+!=+"0"+]
do
++++SNAPSHOT_STATE="$(aws+ec2+describe-snapshots+--filters+Name=snapshot-id,Values=${SNAPSHOT_ID}+--query+'Snapshots[0].State')"
++++SNAPSHOT_PROGRESS="$(aws+ec2+describe-snapshots+--filters+Name=snapshot-id,Values=${SNAPSHOT_ID}+--query+'Snapshots[0].Progress')"
++++echo+"###+Snapshot+id+${SNAPSHOT_ID}+creation:+state+is+${SNAPSHOT_STATE},+${SNAPSHOT_PROGRESS}%25..."

++++aws+ec2+wait+snapshot-completed+--snapshot-ids+"${SNAPSHOT_ID}"
++++exit_status="$?"

done|code-block|syntax|javascript|2268342|如果您有什么可以改进的地方，请与我们分享。|2268343|entityMap^0|0|0|8|V|0|8|1|0|0|0|0^^$0|@$1|2|3|4|5|6|7|X|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|Y|8|@]|9|@]|A|$]]|$1|E|3|F|5|D|7|Z|8|@$G|10|H|11|I|J]]|9|@]|A|$]]|$1|K|3|L|5|D|7|12|8|@$G|13|H|14|I|J]]|9|@]|A|$]]|$1|M|3|N|5|6|7|15|8|@]|9|@]|A|$]]|$1|O|3|P|5|Q|7|16|8|@]|9|@]|A|$R|S]]|$1|T|3|U|5|6|7|17|8|@]|9|@]|A|$]]|$1|V|3|-4|5|6|7|18|8|@]|9|@]|A|$]]]|W|$]]

So, finally, I used follow way to solve it:

<ol>
<li>Create snapshot</li>
<li>Use loop to check exit status of command <code>aws ec2 wait snapshot-completed</code></li>
<li>If exit status is not <code>0</code> then print current state, progress and run waiter again.</li>
</ol>



<pre><code># Create snapshot
SNAPSHOT_DESCRIPTION="Snapshot of Primary frontend instance $(date +%Y-%m-%d)"
SNAPSHOT_ID=$(aws ec2 create-snapshot "${DRYRUN}" --volume-id "${ROOT_VOLUME_ID}" --description "${SNAPSHOT_DESCRIPTION}" --query 'SnapshotId')

while [ "${exit_status}" != "0" ]
do
 SNAPSHOT_STATE="$(aws ec2 describe-snapshots --filters Name=snapshot-id,Values=${SNAPSHOT_ID} --query 'Snapshots[0].State')"
 SNAPSHOT_PROGRESS="$(aws ec2 describe-snapshots --filters Name=snapshot-id,Values=${SNAPSHOT_ID} --query 'Snapshots[0].Progress')"
 echo "### Snapshot id ${SNAPSHOT_ID} creation: state is ${SNAPSHOT_STATE}, ${SNAPSHOT_PROGRESS}%..."

 aws ec2 wait snapshot-completed --snapshot-ids "${SNAPSHOT_ID}"
 exit_status="$?"

done
</code></pre>

If you have something that can improve it, please share with us.

blocks|key|1930209|text|aws+ec2+wait+snapshot-completed需要一段时间才能超时。这段代码片段使用aws+ec2+describe-snapshots来获取进度。当它是100%25时，它调用snapshot-completed。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1930210|#+create+snapshot
SNAPSHOTID=$(aws+ec2+create-snapshot+--volume-id+$VOLUMEID+--output+text+--query+"SnapshotId")
echo+"Waiting+for+Snapshot+ID:+$SNAPSHOTID"

SNAPSHOTPROGRESS=$(aws+ec2+describe-snapshots+--snapshot-ids+$SNAPSHOTID+--query+"Snapshots[*].Progress"+--output+text)

while+[+$SNAPSHOTPROGRESS+!=+"100%25"+]
do
++sleep+15
++echo+"Snapshot+ID:+$SNAPSHOTID+$SNAPSHOTPROGRESS"
++SNAPSHOTPROGRESS=$(aws+ec2+describe-snapshots+--snapshot-ids+$SNAPSHOTID+--query+"Snapshots[*].Progress"+--output+text)
done

aws+ec2+wait+snapshot-completed+--snapshot-ids+"$SNAPSHOTID"|code-block|syntax|javascript|1930211|这基本上和上面一样，但是每15秒输出一次进度消息。完成的快照立即返回100%25。|1930212|entityMap^0|0|V|1E|Q|2D|4|2M|I|0|0|Y|4|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]|$9|R|A|S|B|C]|$9|T|A|U|B|C]|$9|V|A|W|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|X|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|Y|8|@$9|Z|A|10|B|C]]|D|@]|E|$]]|$1|M|3|-4|5|6|7|11|8|@]|D|@]|E|$]]]|N|$]]

<code>aws ec2 wait snapshot-completed</code> takes a while to time out. This snippet uses <code>aws ec2 describe-snapshots</code> to get the progress. When it's <code>100%</code> it calls <code>snapshot-completed</code>.

<pre><code># create snapshot
SNAPSHOTID=$(aws ec2 create-snapshot --volume-id $VOLUMEID --output text --query "SnapshotId")
echo "Waiting for Snapshot ID: $SNAPSHOTID"

SNAPSHOTPROGRESS=$(aws ec2 describe-snapshots --snapshot-ids $SNAPSHOTID --query "Snapshots[*].Progress" --output text)

while [ $SNAPSHOTPROGRESS != "100%" ]
do
 sleep 15
 echo "Snapshot ID: $SNAPSHOTID $SNAPSHOTPROGRESS"
 SNAPSHOTPROGRESS=$(aws ec2 describe-snapshots --snapshot-ids $SNAPSHOTID --query "Snapshots[*].Progress" --output text)
done

aws ec2 wait snapshot-completed --snapshot-ids "$SNAPSHOTID"
</code></pre>

This is essentially the same thing as above, but prints out a progress message every 15 seconds. Snapshots that are completed return <code>100%</code> immediately.

blocks|key|1985491|text|您可能应该在bash中使用until，看起来更干净，不必重复。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1985492|echo+"waiting+for+snapshot+$snapshot"
until+aws+ec2+wait+snapshot-completed+--snapshot-ids+$snapshot+2>/dev/null
do
++++do+printf+"\rsnapshot+progress:+%25s"+$progress;
++++sleep+10
++++progress=$(aws+ec2+describe-snapshots+--snapshot-ids+$snapshot+--query+"Snapshots[*].Progress"+--output+text)
done|code-block|syntax|javascript|1985493|entityMap^0|D|5|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

you should probably use <code>until</code> in bash, looks a bit cleaner and you don't have to repeat.

<pre><code>echo "waiting for snapshot $snapshot"
until aws ec2 wait snapshot-completed --snapshot-ids $snapshot 2&gt;/dev/null
do
 do printf "\rsnapshot progress: %s" $progress;
 sleep 10
 progress=$(aws ec2 describe-snapshots --snapshot-ids $snapshot --query "Snapshots[*].Progress" --output text)
done
</code></pre>

blocks|key|1985516|text|https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-retries.html|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1985517|可以设置变量或使用配置文件来增加超时。|1985518|AWS_MAX_ATTEMPTS=100|style|CODE|1985519|~/.aws/config
[default]
retry_mode+=+standard
max_attempts+=+6|code-block|syntax|javascript|1985520|entityMap|0|LINK|mutability|MUTABLE|url^0|0|23|0|0|0|0|K|0|0^^$0|@$1|2|3|4|5|6|7|V|8|@]|9|@$A|W|B|X|1|Y]]|C|$]]|$1|D|3|E|5|6|7|Z|8|@]|9|@]|C|$]]|$1|F|3|G|5|6|7|10|8|@$A|11|B|12|H|I]]|9|@]|C|$]]|$1|J|3|K|5|L|7|13|8|@]|9|@]|C|$M|N]]|$1|O|3|-4|5|6|7|14|8|@]|9|@]|C|$]]]|P|$Q|$5|R|S|T|C|$U|4]]]]

<a href="https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-retries.html" rel="nofollow noreferrer">https://docs.aws.amazon.com/cli/latest/userguide/cli-configure-retries.html</a>
You can set a variable or use the config file to increase the timeouts.
<code>AWS_MAX_ATTEMPTS=100</code>
<pre><code>~/.aws/config
[default]
retry_mode = standard
max_attempts = 6
</code></pre>

blocks|key|1930275|text|问题:在ci/cd中，我们命令等待ecs服务稳定，并得到此错误。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1930276|aws+ecs+wait+services-stable+\
++++--cluster+MyCluster+\
++++--services+MyService|code-block|syntax|javascript|1930277|误差MSG：Waiter+ServicesStable+failed:+Max+attempts+exceeded|offset|length|style|CODE|1930278|修复|1930279|为了解决这个问题，我们遵循了这个文档->+https://docs.aws.amazon.com/AmazonECS/latest/bestpracticesguide/load-balancer-healthcheck.html|1930280|aws+elbv2+modify-target-group+--target-group-arn+<arn+of+target+group>+--healthy-threshold-count+2+--health-check-interval-seconds+5+--health-check-timeout-seconds+4+|1930281|->+https://docs.aws.amazon.com/AmazonECS/latest/bestpracticesguide/load-balancer-connection-draining.html|1930282|aws+elbv2+modify-target-group-attributes+--target-group-arn+<arn+of+target+group>+--attributes+Key=deregistration_delay.timeout_seconds,Value=10|1930283|这解决了这个问题|1930284|如果您有更多的目标组要编辑，只需将目标组arns输出到文件中并在循环中运行。|1930285|entityMap|0|LINK|mutability|MUTABLE|url|https://docs.aws.amazon.com/AmazonECS/latest/bestpracticesguide/load-balancer-healthcheck.html|1|https://docs.aws.amazon.com/AmazonECS/latest/bestpracticesguide/load-balancer-connection-draining.html^0|0|0|6|1F|0|0|L|2M|0|0|0|3|2U|1|0|0|0|0^^$0|@$1|2|3|4|5|6|7|1A|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|1B|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|1C|8|@$I|1D|J|1E|K|L]]|9|@]|A|$]]|$1|M|3|N|5|6|7|1F|8|@]|9|@]|A|$]]|$1|O|3|P|5|6|7|1G|8|@]|9|@$I|1H|J|1I|1|1J]]|A|$]]|$1|Q|3|R|5|D|7|1K|8|@]|9|@]|A|$E|F]]|$1|S|3|T|5|6|7|1L|8|@]|9|@$I|1M|J|1N|1|1O]]|A|$]]|$1|U|3|V|5|D|7|1P|8|@]|9|@]|A|$E|F]]|$1|W|3|X|5|6|7|1Q|8|@]|9|@]|A|$]]|$1|Y|3|Z|5|6|7|1R|8|@]|9|@]|A|$]]|$1|10|3|-4|5|6|7|1S|8|@]|9|@]|A|$]]]|11|$12|$5|13|14|15|A|$16|17]]|18|$5|13|14|15|A|$16|19]]]]

ISSUE: In ci/cd we had command to wait ecs service to be steady and got this error
<pre><code>aws ecs wait services-stable \
 --cluster MyCluster \
 --services MyService
</code></pre>
ERROR MSG : <code>Waiter ServicesStable failed: Max attempts exceeded</code>
FIX
in order to fix this issue we followed this doc
-&gt; <a href="https://docs.aws.amazon.com/AmazonECS/latest/bestpracticesguide/load-balancer-healthcheck.html" rel="nofollow noreferrer">https://docs.aws.amazon.com/AmazonECS/latest/bestpracticesguide/load-balancer-healthcheck.html</a>
<pre><code>aws elbv2 modify-target-group --target-group-arn &lt;arn of target group&gt; --healthy-threshold-count 2 --health-check-interval-seconds 5 --health-check-timeout-seconds 4 
</code></pre>
-&gt; <a href="https://docs.aws.amazon.com/AmazonECS/latest/bestpracticesguide/load-balancer-connection-draining.html" rel="nofollow noreferrer">https://docs.aws.amazon.com/AmazonECS/latest/bestpracticesguide/load-balancer-connection-draining.html</a>
<pre><code>aws elbv2 modify-target-group-attributes --target-group-arn &lt;arn of target group&gt; --attributes Key=deregistration_delay.timeout_seconds,Value=10
</code></pre>
this fixed the issue
In case you have more target groups to edit just output the target groups arns to a file and run this in a loop.

I am working on shell script, witch does follow:

<ul>
<li>creates snapshot of EBS Volume;</li>
<li>creates AMI image based on this snapshot.</li>
</ul>

1) I use follow command to create snapshot: 
<code>SNAPSHOT_ID=$(aws ec2 create-snapshot "${DRYRUN}" --volume-id "${ROOT_VOLUME_ID}" --description "${SNAPSHOT_DESCRIPTION}" --query 'SnapshotId')</code>

2) I use waiter to wait complete state: 
<code>aws ec2 wait snapshot-completed --snapshot-ids "${SNAPSHOT_ID}"</code>

When I test it with EBS Volume 8 GB size everything goes well. 
When it is 40 GB, I have an exception: 
<code>Waiter SnapshotCompleted failed: Max attempts exceeded</code>

Probably, 40 GB takes more time, then 8 GB one, just need to wait.

AWS Docs (<a href="http://docs.aws.amazon.com/cli/latest/reference/ec2/wait/snapshot-completed.html" rel="noreferrer">http://docs.aws.amazon.com/cli/latest/reference/ec2/wait/snapshot-completed.html</a>) don't have any timeout or attempts quantity option.

May be some of you have faced the same issue?

aws command line interface - aws ec2 wait - Max attempts exceeded

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我正在写shell脚本，女巫确实是这样做的：创建EBS卷快照；基于此快照创建AMI映像。1)我使用下面的命令创建快照：SNAPSHOT_ID=$(aws ec2 create-snapshot "${DRYRUN}" --volume-id "${ROOT_VOLUME_ID}" --description "${SN...

问aws命令行接口- aws ec2等待-最大尝试超过
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