Barrack API Documentation
  1. Advanced Configurations
Barrack API Documentation
  • Platform Documentation
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    • Get credit balance
      GET
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    • Get GPU stock availability
      GET
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    • Get GPU specifications
      GET
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    • List available regions
      GET
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    • Get pricing information
      GET
    • Get pricing information
      POST
  • Deploy Instance
    • Create a new instance
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  • OS Images
    • List OS images
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    • List SSH keys
    • Get SSH key
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  • Volumes
    • List volumes
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    • List firewalls
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  • Scripts
    • List all startup scripts
    • Get startup script details
    • Create a startup script
    • Update a startup script
    • Delete a startup script
    • Delete multiple startup scripts
  • Snapshots
    • List snapshots
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  • Schemas
    • AITransaction
    • AddFirewallRuleRequest
    • AddFirewallRuleResponse
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    • CreateFirewallResponse
    • CreateImageFromSnapshotRequest
    • CreateSSHKeyRequest
    • CreateScriptRequest
    • CreateSnapshotRequest
    • CreateSnapshotResponse
    • CreateSSHKeyResponse
    • CurrencyEnum
    • Data
    • CreditBalanceResponse
    • DeleteFirewallResponse
    • CreateVolumeRequest
    • DeleteSnapshotResponse
    • CreateVolumeResponse
    • DeleteVMResponse
    • DetachVolumesRequest
    • DetachVolumesResponse
    • DeploymentRequest
    • DirectionEnum
    • DeploymentResponse
    • EthertypeEnum
    • ErrorResponse
    • FirewallAttachment
    • DeleteVolumeResponse
    • DeleteSSHKeyResponse
    • FirewallEnvironment
    • FirewallResponse
    • FirewallRule
    • FirewallVM
    • GetBatchSnapshotImageRelationshipsRequest
    • GetFirewallDetailsResponse
    • GPUStockConfiguration
    • GPUSpec
    • GetHibernatedVMsResponse
    • GPUStockItem
    • GPUSpecsResponse
    • GetSupportedProtocolsResponse
    • GPUStocksResponse
    • GetVMAttachedFirewallsResponse
    • GetVolumeTypesResponse
    • HibernateVMResponse
    • HibernationBillingMetrics
    • ListFirewallsResponse
    • ListUserVMsResponse
    • ListVMsResponse
    • ModelsResponse
    • GetSSHKeysResponse
    • Pagination
    • PricingRequest
    • OSImage
    • PricingResponse
    • OSImagesResponse
    • Protocol
    • GpuCountEnum
    • ProtocolEnum
    • Image
    • GpuModelEnum
    • GetVolumeDetailsResponse
    • RebootVMResponse
    • ImageCreateResponse
    • RecentHibernation
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    • GetVolumesWithNextNameResponse
    • RemoveFirewallRuleResponse
    • ImageDetailResponse
    • RemoveVMSecurityRuleResponse
    • Region
    • ImageListResponse
    • ResizeVolumeRequest
    • RegionsResponse
    • Price
    • ResizeVolumeResponse
    • ResourceTypeEnum
    • RestoreSnapshotRequest
    • RestoreSnapshotResponse
    • RestoreVMResponse
    • Snapshot
    • SnapshotImageRelationshipResponse
    • Specs
    • StartVMResponse
    • StopVMResponse
    • TierEnum
    • UpdateScriptRequest
    • UsageHistoryResponse
    • UsageSummaryResponse
    • RegionEnum
    • UserVM
    • VMDetailsResponse
    • VMFlavor
    • VMImage
    • VMInstance
    • VMResponse
    • SpecsMetadata
    • VMSecurityRule
    • VMSecurityRuleRequest
    • VMStatus
    • VMVolumeAttachment
    • Script
    • VolumeTypeEnum
    • SSHKeyResponse
    • ScriptListResponse
    • ToggleVMPublicIPResponse
    • VolumeBillingRecord
    • VolumeBillingSummary
    • VolumeHourlyBillingResponse
    • VolumeResponse
  1. Advanced Configurations

Startup Script

Startup Scripts#

Startup scripts automate VM initialization for Advanced tier deployments. Create reusable script libraries that execute during OS volume provisioning.

Availability#

Available in Advanced tier regions:
Finland-1
Finland-2
Finland-3
Iceland-1
Prerequisites:
Completed profile (name, billing address, postal code, country)
Active account with Advanced tier access

Script Requirements#

Name#

Length: 1-30 characters
Characters: Letters, numbers, spaces, hyphens (-), underscores (_), dots (.)
Uniqueness: Must be unique in your account

Content#

Size: Maximum 16KB (16,384 bytes)
Execution: Runs with root privileges during VM initialization

Creating Scripts#

1
Open Script Modal
Navigate to Deploy VM → Advanced Configuration → "+ CREATE"
2
Enter Details
1.
Script name (1-30 characters)
2.
Script content (max 16KB)
3
Save
Click "Create Script"
Script Preview:
Scripts display content preview (first 100 characters) in the selection dropdown. Open the editor to view full script content.

Managing Scripts#

Edit Script#

1.
Select script from dropdown list
2.
Click "EDIT" button
3.
Modify name or content
4.
Click "Update Script"

Delete Script#

Single Delete:
1.
Select script from dropdown
2.
Click "DELETE" button
3.
Confirm deletion in modal
Bulk Delete:
1.
Click "BULK DELETE" button
2.
Select multiple scripts using checkboxes
3.
Click "Delete (X)" where X is the count
4.
Confirm deletion

Using in Deployments#

1
Select OS Image
Boot source must be "OS Images" (not volume boot)
2
Choose Script
Select from Startup Scripts dropdown in Advanced Configuration
3
Deploy
Script executes automatically during OS volume creation

Execution Details#

Timing: Runs during OS volume provisioning
Privileges: Root access
Compatibility: OS image boot only (NOT available for volume boot)
Optional: Scripts are not required for deployment
Common Errors

Support#

Email Support
Technical assistance with scripts: [email protected]
Deploy VM
Complete deployment guide with configuration options
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Cloudinit Script
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Manage Firewall
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