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feat: add base templates for all major cloud providers (#26634)

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Add 6 new base templates to the template builder, covering all major
cloud providers and platforms:

- **scratch**: Minimal starter template with only `coder_agent` and
metadata
- **aws-windows**: AWS EC2 Windows instances with PowerShell user_data
- **azure-linux**: Azure VMs with cloud-init and managed disk
persistence
- **gcp-linux**: Google Compute Engine Linux instances with persistent
disk
- **gcp-windows**: Google Compute Engine Windows instances
- **digitalocean-linux**: DigitalOcean Linux droplets with persistent
volumes

Each base includes `base.json`, `main.tf.tmpl`, `README.md` (with
prerequisite markers), and any static files (cloud-init configs). Tests
verify all 9 bases load, render without error, and produce valid
single-agent declarations.

`azure-windows` is deferred; it needs to be registered in the `examples`
package first.

Depends on #26633

> [!NOTE]
> This PR was authored by Coder Agents on behalf of @jeremyruppel.

---

NB: This is very much an agent-generated PR and draws completely from
base templates that exist in `examples/templates/`. The base.json files
are new, so review those, but don't spend any brain tokens on the
correctness of the terraform and supporting files: any issues there are
issues with the upstream example template
This commit is contained in:
Jeremy Ruppel
2026-06-30 18:26:31 -04:00
committed by GitHub
parent 6f0b81cfbc
commit c40b3b9bcb
30 changed files with 2837 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files
coderd/templatebuilder/bases_test.go
+44 -25
View File
@@ -8,23 +8,40 @@ import (
"github.com/coder/coder/v2/coderd/templatebuilder"
)
// allBaseIDs is the set of base template IDs expected in the catalog.
var allBaseIDs = []string{
"aws-linux",
"aws-windows",
"azure-linux",
"digitalocean-linux",
"docker",
"gcp-linux",
"gcp-windows",
"kubernetes",
"scratch",
}
func TestBaseTemplateOS(t *testing.T) {
t.Parallel()
t.Run("Docker", func(t *testing.T) {
t.Parallel()
require.Equal(t, templatebuilder.BaseOSLinux, templatebuilder.BaseTemplateOS("docker"))
})
linuxBases := []string{
"aws-linux", "azure-linux", "digitalocean-linux",
"docker", "gcp-linux", "kubernetes", "scratch",
}
for _, id := range linuxBases {
t.Run(id, func(t *testing.T) {
t.Parallel()
require.Equal(t, templatebuilder.BaseOSLinux, templatebuilder.BaseTemplateOS(id))
})
}
t.Run("Kubernetes", func(t *testing.T) {
t.Parallel()
require.Equal(t, templatebuilder.BaseOSLinux, templatebuilder.BaseTemplateOS("kubernetes"))
})
t.Run("AWSLinux", func(t *testing.T) {
t.Parallel()
require.Equal(t, templatebuilder.BaseOSLinux, templatebuilder.BaseTemplateOS("aws-linux"))
})
windowsBases := []string{"aws-windows", "gcp-windows"}
for _, id := range windowsBases {
t.Run(id, func(t *testing.T) {
t.Parallel()
require.Equal(t, templatebuilder.BaseOSWindows, templatebuilder.BaseTemplateOS(id))
})
}
t.Run("UnknownReturnsEmpty", func(t *testing.T) {
t.Parallel()
@@ -36,10 +53,10 @@ func TestBaseTemplateIDs(t *testing.T) {
t.Parallel()
ids := templatebuilder.BaseTemplateIDs()
require.Len(t, ids, 3)
require.Contains(t, ids, "docker")
require.Contains(t, ids, "kubernetes")
require.Contains(t, ids, "aws-linux")
require.Len(t, ids, len(allBaseIDs))
for _, id := range allBaseIDs {
require.Contains(t, ids, id)
}
}
func TestDefaultBaseRenderContext(t *testing.T) {
@@ -59,11 +76,16 @@ func TestDefaultBaseRenderContext(t *testing.T) {
require.Nil(t, rc.ImageOptions)
})
t.Run("AWSLinux", func(t *testing.T) {
t.Run("VMBasesHaveNoContainerImage", func(t *testing.T) {
t.Parallel()
rc := templatebuilder.DefaultBaseRenderContext("aws-linux")
require.Empty(t, rc.ContainerImage)
require.Nil(t, rc.ImageOptions)
vmBases := []string{
"aws-linux", "aws-windows", "azure-linux", "azure-windows",
"digitalocean-linux", "gcp-linux", "gcp-windows", "scratch",
}
for _, id := range vmBases {
rc := templatebuilder.DefaultBaseRenderContext(id)
require.Empty(t, rc.ContainerImage, "base %q should have no container image", id)
}
})
t.Run("Unknown", func(t *testing.T) {
@@ -74,12 +96,9 @@ func TestDefaultBaseRenderContext(t *testing.T) {
t.Run("AllBaseTemplatesHaveDefaults", func(t *testing.T) {
t.Parallel()
// Verify that every known base template produces a render
// context via DefaultBaseRenderContext (not just the zero value
// from an unknown ID). This catches forgotten entries.
for _, id := range templatebuilder.BaseTemplateIDs() {
rc := templatebuilder.DefaultBaseRenderContext(id)
_ = rc // existence is the assertion; the value varies per template
_ = rc
}
})
}