我一直在努力能夠在使用 UserData 字段創(chuàng)建時(shí)將 EFS 卷安裝到 EC2 實(shí)例。我正在使用 Pulumi 的 Go 庫(kù)，我擁有的內(nèi)容如下所示：// ... EFS with proper security groups and mountTarget created above ...dir := configuration.Deployment.Efs.MountPointavailabilityZone := configuration.Deployment.AvailabilityZoneregion := configuration.Deployment.Regionuserdata := args.Efs.ID().ToStringOutput().ApplyT(func(id string) (string, error) { script := ` #!/bin/bash -xe exec > >(tee /var/log/user-data.log|logger -t user-data -s 2>/dev/console) 2>&1 mkdir -p %s echo "%s.%s.%s.amazonaws.com:/ %s nfs4 nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2,noresvport,_netdev 0 0" | tee -a /etc/fstab mount -a ` return fmt.Sprintf(script, dir, availabilityZone, id, region, dir), nil}).(pulumi.StringOutput)ec2, err := ec2.NewInstance(ctx, fmt.Sprintf("%s_instance", name), &ec2.InstanceArgs{ // ... (other fields) ... UserData: userdata, // ... (other fields) ...})但是當(dāng)我使用 Pulumi 創(chuàng)建所有資源時(shí)，UserData 腳本根本不運(yùn)行。我的假設(shè)是 EFS ID 在創(chuàng)建 EC2 實(shí)例時(shí)沒(méi)有及時(shí)解析，但我認(rèn)為 Pulumi 會(huì)自動(dòng)處理依賴排序，因?yàn)?EC2 實(shí)例現(xiàn)在依賴于 EFS 卷。我還添加了一個(gè) explicitDependsOn()來(lái)查看這是否可能是問(wèn)題所在，但它沒(méi)有幫助。我做錯(cuò)了什么嗎？任何幫助將不勝感激，謝謝！我已經(jīng)嘗試了上述示例的幾種變體。我看了這個(gè)例子：Pulumi - EFS Id output to EC2 LaunchConfiguration UserData但也無(wú)法讓它發(fā)揮作用。
1 回答
蕪湖不蕪
TA貢獻(xiàn)1796條經(jīng)驗(yàn) 獲得超7個(gè)贊
我能夠弄清楚，問(wèn)題最終變成了兩件事：
內(nèi)聯(lián)腳本的格式需要沒(méi)有制表符。
pulumi.Sprintf()最終比使用ApplyT().EFS 卷在嘗試安裝時(shí)尚未準(zhǔn)備好安裝
mount -a。
放在一起，它現(xiàn)在看起來(lái)像這樣：
instanceArgs := &ec2.InstanceArgs{
// ... arg fields ...
}
script := `#!/bin/bash
exec > >(tee /var/log/user-data.log|logger -t user-data -s 2>/dev/console) 2>&1
mkdir -p %s
echo "%s.efs.%s.amazonaws.com:/ %s nfs4 nfsvers=4.1,rsize=1048576,wsize=1048576,hard,timeo=600,retrans=2,noresvport,_netdev 0 0" >> /etc/fstab
EFS_STATUS="unknown"
WAIT_TIME=10
RETRY_CNT=15
while [[ $EFS_STATUS != "\"available\"" ]]; do
echo "Waiting for EFS to start..."
sleep $WAIT_TIME
EFS_STATUS=$(aws efs describe-file-systems | jq '.FileSystems | map(select(.FileSystemId == "%s")) | map(.LifeCycleState) | .[0]')
done
while true; do
mount -a -t nfs4
if [ $? = 0 ]; then
echo "Successfully mounted EFS to instance."
break
fi;
if [ $RETRY_CNT -lt 1 ]; then
echo "EFS could not mount after $RETRY_CNT retries."
fi;
echo "EFS could not mount, retrying..."
((RETRY_CNT--))
sleep $WAIT_TIME
done`
userData := pulumi.Sprintf(script, mountDir, Efs.ID(), region, mountDir, Efs.ID())
instanceArgs.UserData = userData
ec2, err := ec2.NewInstance(ctx, fmt.Sprintf("%s_instance", name), instanceArgs)
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