Jim*_*y_m 5 asp.net iis wcf json gzip
好的,我已经读了好几个小时了.数十个SO帖子和博客等.没有找到答案.
目标:从我的WCF服务启用json响应的动态http压缩.
注意:当applicationhost.config包含以下内容时,gzip已经适用于静态内容和动态内容:
<httpCompression directory="%SystemDrive%\inetpub\temp\IIS Temporary Compressed Files">
<scheme name="gzip" dll="%Windir%\system32\inetsrv\gzip.dll" />
<dynamicTypes>
<add mimeType="text/*" enabled="true" />
<add mimeType="message/*" enabled="true" />
<add mimeType="application/x-javascript" enabled="true" />
<add mimeType="application/json; charset=utf-8" enabled="true" />
<add mimeType="*/*" enabled="false" />
</dynamicTypes>
<staticTypes>
<add mimeType="text/*" enabled="true" />
<add mimeType="message/*" enabled="true" />
<add mimeType="application/x-javascript" enabled="true" />
<add mimeType="application/atom+xml" enabled="true" />
<add mimeType="application/xaml+xml" enabled="true" />
<add mimeType="*/*" enabled="false" />
</staticTypes>
</httpCompression>
</system.webServer>
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不幸的是在服务器上我使用applicationhost.config中缺少以下行:
<add mimeType="application/json; charset=utf-8" enabled="true" />
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而且我无法手动添加它,因为服务器是由Elastic Beanstalk启动的AWS EC2实例(因此我可以在一个实例上更改它,但在启动时不在所有实例上更改它).
还不幸的是,applicationhost.config包含以下行:
<section name="httpCompression" allowDefinition="AppHostOnly" overrideModeDefault="Deny" />
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这意味着我无法覆盖应用程序的web.config中的httpCompression部分.
我的问题:我是否应该尝试其他方法来启用动态内容的gzip压缩?
如果overrideModeDefault ="Allow",那么我可以将httpCompression部分放在我的应用程序的web.config中并期望它覆盖吗?
如果需要,很乐意进一步澄清.
干杯
虽然迟到了,但如果没有 AMI,这绝对是可能的。
创建一个 s3 存储桶来托管您的设置文件。在此示例中,我有一个名为 mys3bucket 的存储桶。将以下文件上传到 mybucket/ebExtensions/setup.ps1 下的存储桶
该文件修改了根应用程序主机配置。
write-host "Applying IIS configuration ..."
$globalConfig = "C:\Windows\System32\inetsrv\config\applicationHost.config"
$xmlDoc = new-object System.Xml.XmlDocument
$xmlDoc.Load($globalConfig)
#Set minimum compression size
write-host "Setting minimum compression size ..."
$xmlCurrentNode = $xmlDoc.SelectSingleNode("/configuration/system.webServer/httpCompression")
if ($xmlCurrentNode -eq $null)
{
$xmlCurrentNode = $xmlDoc.CreateElement("httpCompression")
$xmlDoc.SelectSingleNode("/configuration/system.webServer").AppendChild($xmlCurrentNode)
}
$xmlCurrentNode.SetAttribute("minFileSizeForComp", "10240")
$xmlCurrentNode.SetAttribute("dynamicCompressionEnableCpuUsage", "70")
write-host "Done."
#Enable dynamic compression
write-host "Enabling dynamic compression ..."
$xmlCurrentNode = $xmlDoc.SelectSingleNode("/configuration/system.webServer/urlCompression")
if ($xmlCurrentNode -eq $null)
{
$xmlCurrentNode = $xmlDoc.CreateElement("urlCompression")
$xmlDoc.SelectSingleNode("/configuration/system.webServer").AppendChild($xmlCurrentNode)
}
$xmlCurrentNode.SetAttribute("doDynamicCompression", "true")
write-host "Done."
#Add dynamic types for compression
write-host "Adding dynamic types ..."
$xmlCurrentNode = $xmlDoc.SelectSingleNode("/configuration/system.webServer/httpCompression/dynamicTypes")
if ($xmlCurrentNode -eq $null)
{
$xmlCurrentNode = $xmlDoc.CreateElement("dynamicTypes")
$xmlDoc.SelectSingleNode("/configuration/system.webServer/httpCompression").AppendChild($xmlCurrentNode)
}
$xmlCurrentNode = $xmlDoc.SelectSingleNode("/configuration/system.webServer/httpCompression/dynamicTypes/add[@mimeType='application/*']")
if ($xmlCurrentNode -eq $null)
{
$xmlCurrentNode = $xmlDoc.CreateElement("add")
$xmlCurrentNode.SetAttribute("mimeType", "application/*")
$xmlDoc.SelectSingleNode("/configuration/system.webServer/httpCompression/dynamicTypes").AppendChild($xmlCurrentNode)
}
$xmlCurrentNode.SetAttribute("enabled", "true")
write-host "Done."
write-host "Saving the target config file ..."
$xmlDoc.Save("$globalConfig")
write-host "Done."
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接下来,您需要在项目中使用弹性 beanstalk 扩展。
将以下 init.config 文件添加到网站根目录下的 .ebextensions 文件夹中。这是一个 YAML 文件,因此请使用空格缩进而不是制表符。
files:
"c:/cfn/init.ps1":
content: |
$instanceDoc = Invoke-RestMethod 'http://169.254.169.254/latest/dynamic/instance-identity/document'
$extPath = "c:\cfn\.ebextensions"
if (Test-Path $extPath) {
Remove-Item $extPath -Recurse
}
Read-S3Object -BucketName "mys3bucket" -Folder $extPath -KeyPrefix '/ebExtensions' -Region ($instanceDoc.region)
. (Join-Path $extPath -ChildPath '\setup.ps1')
container_commands:
00-invoke-init:
command: powershell.exe -nologo -noprofile -file "c:\cfn\init.ps1"
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确保您的实例具有通过角色访问存储桶的权限,否则在对 Read-S3Object 的调用中传递 aws 凭证
以上执行以下操作
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