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Merged
gabriel-samfira merged 3 commits into from
Dec 22, 2025
Merged

feat: add secure boot option to instance #55

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7647cef
feat: add secure boot option to instance
n3xt-martin Dec 16, 2025
27905d9
fix: change new specs for simple bool and add missing json definition…
n3xt-martin Dec 17, 2025
aebecda
fix: secureboot extraSpecs are not pointer to values
n3xt-martin Dec 22, 2025
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16 changes: 16 additions & 0 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -164,6 +164,22 @@ To this end, this provider supports the following extra specs schema:
"type": "boolean",
"description": "Enable boot debug on the VM."
},
"disable_updates": {
"type": "boolean",
"description": "Disable OS updates on boot."
},
"enable_secure_boot": {
"type": "boolean",
"desctipyion": "Enable Secure Boot on the VM. Requires a Shielded VM compatible image."
},
"enable_vtpm": {
"type": "boolean",
"desctipyion": "Enable virtual Trusted Platform Module (vTPM) on the VM."
},
"enable_integrity_monitoring": {
"type": "boolean",
"desctipyion": "Enable integrity monitoring on the VM."
},
"runner_install_template": {
"type": "string",
"description": "This option can be used to override the default runner install template. If used, the caller is responsible for the correctness of the template as well as the suitability of the template for the target OS. Use the extra_context extra spec if your template has variables in it that need to be expanded."
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5 changes: 5 additions & 0 deletions internal/client/gcp.go
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Expand Up @@ -173,6 +173,11 @@ func (g *GcpCli) CreateInstance(ctx context.Context, spec *spec.RunnerSpec) (*co
Items: spec.NetworkTags,
},
ServiceAccounts: spec.ServiceAccounts,
ShieldedInstanceConfig: &computepb.ShieldedInstanceConfig{
EnableSecureBoot: proto.Bool(spec.EnableSecureBoot),
EnableVtpm: proto.Bool(spec.EnableVTPM),
EnableIntegrityMonitoring: proto.Bool(spec.EnableIntegrityMonitoring),
},
}

if !g.cfg.ExternalIPAccess {
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17 changes: 17 additions & 0 deletions internal/spec/spec.go
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Expand Up @@ -141,6 +141,10 @@ type extraSpecs struct {
SSHKeys []string `json:"ssh_keys,omitempty" jsonschema:"description=A list of SSH keys to be added to the instance. The format is USERNAME:SSH_KEY"`
EnableBootDebug *bool `json:"enable_boot_debug,omitempty" jsonschema:"description=Enable boot debug on the VM."`
DisableUpdates *bool `json:"disable_updates,omitempty" jsonschema:"description=Disable OS updates on boot."`
// Shielded VM options
EnableSecureBoot bool `json:"enable_secure_boot,omitempty" jsonschema:"description=Enable Secure Boot on the VM. Requires a Shielded VM compatible image."`
EnableVTPM bool `json:"enable_vtpm,omitempty" jsonschema:"description=Enable virtual Trusted Platform Module (vTPM) on the VM."`
EnableIntegrityMonitoring bool `json:"enable_integrity_monitoring,omitempty" jsonschema:"description=Enable integrity monitoring on the VM."`
// The Cloudconfig struct from common package
cloudconfig.CloudConfigSpec
}
Expand Down Expand Up @@ -197,6 +201,10 @@ type RunnerSpec struct {
SSHKeys string
EnableBootDebug bool
DisableUpdates bool
// Shielded VM options
EnableSecureBoot bool
EnableVTPM bool
EnableIntegrityMonitoring bool
}

func (r *RunnerSpec) MergeExtraSpecs(extraSpecs *extraSpecs) {
Expand Down Expand Up @@ -241,6 +249,15 @@ func (r *RunnerSpec) MergeExtraSpecs(extraSpecs *extraSpecs) {
if extraSpecs.DisableUpdates != nil {
r.DisableUpdates = *extraSpecs.DisableUpdates
}
if extraSpecs.EnableSecureBoot {
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@gabriel-samfira gabriel-samfira Dec 22, 2025

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Just a nit (functionally it's the same), for bool values, you can skip the if statement. The result is the same:

  • default value for a bool is false
  • The if in this case only sets the RunnerSpec value if the extra spec is true
  • The same effect can be achieved if you simply do a blind assignment.

This is all for future reference. Saves lines of code and simplifies code paths.

r.EnableSecureBoot = extraSpecs.EnableSecureBoot
}
if extraSpecs.EnableVTPM {
r.EnableVTPM = extraSpecs.EnableVTPM
}
if extraSpecs.EnableIntegrityMonitoring {
r.EnableIntegrityMonitoring = extraSpecs.EnableIntegrityMonitoring
}
}

func (r *RunnerSpec) Validate() error {
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