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110 lines
4.8 KiB
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110 lines
4.8 KiB
Plaintext
---
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layout: docs
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page_title: Vault Agent Windows Service
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description: >-
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Vault Agent can be run as a Windows service.
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---
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# Vault Agent Windows Service
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Vault Agent can be run as a Windows service. In order to do this, you need to register Vault Agent with the Windows
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Service Control Manager. After Vault Agent is registered, it can be started like any other Windows
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service.
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**Note:** These commands should be run in a PowerShell session with Administrator capabilities.
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## Register Vault Agent as a Windows service
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There are multiple ways to register Vault Agent as a Windows service. One way is to use
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[`sc.exe`](https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/sc-create). `sc.exe` works
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best if the path to your Vault binary and its associated agent config file do not contain spaces. `sc.exe` can be
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pretty tricky to get working correctly if your path contains spaces, as paths containing spaces must be quoted,
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and escaping quotes correctly in a way that makes `sc.exe` happy is non-trivial. If your path contains spaces, or you prefer not to use `sc.exe`, another
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alternative is to use the
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[`New-Service`](https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.management/new-service?view=powershell-5.1)
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cmdlet. `New-Service` is less picky about the method used to escape quotes, and can sometimes be easier. Examples of
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both will be shown below.
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### Using sc.exe
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If you use `sc.exe`, make sure you specify `sc.exe` explicitly, and not just `sc`. The command below shows the creation
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of Vault Agent as a service, using "Vault Agent" as the display name, and starting automatically when Windows starts.
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The `binPath` argument should include the fully qualified path to the Vault executable, as well as any arguments required.
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```shell-session
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PS C:\Windows\system32> sc.exe create VaultAgent binPath= "C:\vault\vault.exe agent -config=C:\vault\agent-config.hcl" displayName= "Vault Agent" start= auto
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[SC] CreateService SUCCESS
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```
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Note that the spacing after the `=` in all of the arguments is intentional and required.
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If you receive a success message, your service is registered with the service manager.
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If you get an error, please verify the path to the binary and check the arguments, by running the contents of
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`binPath=` directly in a PowerShell session and observing the results.
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### Using New-Service
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The syntax is slightly different for `New-Service`, but the gist is the same. The invocation below is equivalent to the
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`sc.exe` one above.
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```shell-session
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PS C:\Windows\system32> New-Service -Name "VaultAgent" -BinaryPathName "C:\vault\vault.exe agent -config=C:\vault\agent-config.hcl" -DisplayName "Vault Agent" -StartupType "Automatic"
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Status Name DisplayName
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------ ---- -----------
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Stopped VaultAgent Vault Agent
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```
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As mentioned previously, `New-Service` is easier to use if the path to your Vault executable and/or agent config contains spaces.
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Below is an example of how to configure Vault Agent as a service using a path with spaces.
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```shell-session
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PS C:\Windows\system32> New-Service -Name "VaultAgent" -BinaryPathName '"C:\my dir\vault.exe" agent -config="C:\my dir\agent-config.hcl"' -DisplayName "Vault Agent" -StartupType "Automatic"
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Status Name DisplayName
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------ ---- -----------
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Stopped VaultAgent Vault Agent
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```
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Note that only the paths themselves are double quoted, and the entire `BinaryPathName` is wrapped in single quotes, in order
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to escape the double quotes used for the paths.
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If anything goes wrong during this process, and you need to manually edit the path later, use the Registry Editor to find
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the following key: `HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\VaultAgent`. You can edit the `ImagePath` value
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at that key to the correct path.
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## Start the Vault Agent service
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There are multiple ways to start the service.
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- Using the `sc.exe` command.
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- Using the `Start-Service` cmdlet.
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- Go to the Windows Service Manager, and look for **VaultAgent** in the service name column. Click the
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`Start` button to start the service.
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### Example starting Vault Agent using `sc.exe`
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```shell-session
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PS C:\Windows\system32> sc.exe start VaultAgent
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SERVICE_NAME: VaultAgent
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TYPE : 10 WIN32_OWN_PROCESS
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STATE : 4 RUNNING
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(STOPPABLE, NOT_PAUSABLE, ACCEPTS_SHUTDOWN)
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WIN32_EXIT_CODE : 0 (0x0)
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SERVICE_EXIT_CODE : 0 (0x0)
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CHECKPOINT : 0x0
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WAIT_HINT : 0x0
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PID : 6548
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FLAGS :
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```
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### Example starting Vault Agent using `Start-Service`
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```shell-session
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PS C:\Windows\system32> Start-Service -Name "VaultAgent"
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```
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Note that in the case where the service was started successfully, `New-Service` does not return any output.
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