feat: add Antigravity IDE module with Terraform configuration and tests

This commit is contained in:
DevelopmentCats 2025-11-19 11:44:59 -06:00
parent 73a92bea6e
commit 43d8483518
3 changed files with 300 additions and 0 deletions

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---
display_name: Antigravity IDE
description: Add a one-click button to launch Antigravity IDE
icon: ../../../../.icons/antigravity.svg
verified: false
tags: [ide, antigravity, ai]
---
# Antigravity IDE
Add a button to open any workspace with a single click in Antigravity IDE.
Uses the [Coder Remote VS Code Extension](https://github.com/coder/vscode-coder).
```tf
module "antigravity" {
count = data.coder_workspace.me.start_count
source = "registry.coder.com/coder/antigravity/coder"
version = "1.0.0"
agent_id = coder_agent.example.id
}
```
## Examples
### Open in a specific directory
```tf
module "antigravity" {
count = data.coder_workspace.me.start_count
source = "registry.coder.com/coder/antigravity/coder"
version = "1.0.0"
agent_id = coder_agent.example.id
folder = "/home/coder/project"
}
```
### Configure MCP servers for Antigravity
Provide a JSON-encoded string via the `mcp` input. When set, the module writes the value to `~/.antigravity/mcp.json` using a `coder_script` on workspace start.
The following example configures Antigravity to use the GitHub MCP server with authentication facilitated by the [`coder_external_auth`](https://coder.com/docs/admin/external-auth#configure-a-github-oauth-app) resource.
```tf
module "antigravity" {
count = data.coder_workspace.me.start_count
source = "registry.coder.com/coder/antigravity/coder"
version = "1.0.0"
agent_id = coder_agent.example.id
folder = "/home/coder/project"
mcp = jsonencode({
mcpServers = {
"github" : {
"url" : "https://api.githubcopilot.com/mcp/",
"headers" : {
"Authorization" : "Bearer ${data.coder_external_auth.github.access_token}",
},
"type" : "http"
}
}
})
}
data "coder_external_auth" "github" {
id = "github"
}
```

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import { describe, it, expect } from "bun:test";
import {
runTerraformApply,
runTerraformInit,
testRequiredVariables,
runContainer,
execContainer,
removeContainer,
findResourceInstance,
readFileContainer,
} from "~test";
describe("antigravity", async () => {
await runTerraformInit(import.meta.dir);
testRequiredVariables(import.meta.dir, {
agent_id: "foo",
});
it("default output", async () => {
const state = await runTerraformApply(import.meta.dir, {
agent_id: "foo",
});
expect(state.outputs.antigravity_url.value).toBe(
"antigravity://coder.coder-remote/open?owner=default&workspace=default&url=https://mydeployment.coder.com&token=$SESSION_TOKEN",
);
const coder_app = state.resources.find(
(res) => res.type === "coder_app" && res.name === "antigravity",
);
expect(coder_app).not.toBeNull();
expect(coder_app?.instances.length).toBe(1);
expect(coder_app?.instances[0].attributes.order).toBeNull();
});
it("adds folder", async () => {
const state = await runTerraformApply(import.meta.dir, {
agent_id: "foo",
folder: "/foo/bar",
});
expect(state.outputs.antigravity_url.value).toBe(
"antigravity://coder.coder-remote/open?owner=default&workspace=default&folder=/foo/bar&url=https://mydeployment.coder.com&token=$SESSION_TOKEN",
);
});
it("adds folder and open_recent", async () => {
const state = await runTerraformApply(import.meta.dir, {
agent_id: "foo",
folder: "/foo/bar",
open_recent: "true",
});
expect(state.outputs.antigravity_url.value).toBe(
"antigravity://coder.coder-remote/open?owner=default&workspace=default&folder=/foo/bar&openRecent&url=https://mydeployment.coder.com&token=$SESSION_TOKEN",
);
});
it("adds folder but not open_recent", async () => {
const state = await runTerraformApply(import.meta.dir, {
agent_id: "foo",
folder: "/foo/bar",
openRecent: "false",
});
expect(state.outputs.antigravity_url.value).toBe(
"antigravity://coder.coder-remote/open?owner=default&workspace=default&folder=/foo/bar&url=https://mydeployment.coder.com&token=$SESSION_TOKEN",
);
});
it("adds open_recent", async () => {
const state = await runTerraformApply(import.meta.dir, {
agent_id: "foo",
open_recent: "true",
});
expect(state.outputs.antigravity_url.value).toBe(
"antigravity://coder.coder-remote/open?owner=default&workspace=default&openRecent&url=https://mydeployment.coder.com&token=$SESSION_TOKEN",
);
});
it("expect order to be set", async () => {
const state = await runTerraformApply(import.meta.dir, {
agent_id: "foo",
order: "22",
});
const coder_app = state.resources.find(
(res) => res.type === "coder_app" && res.name === "antigravity",
);
expect(coder_app).not.toBeNull();
expect(coder_app?.instances.length).toBe(1);
expect(coder_app?.instances[0].attributes.order).toBe(22);
});
it("writes ~/.antigravity/mcp.json when mcp provided", async () => {
const id = await runContainer("alpine");
try {
const mcp = JSON.stringify({
servers: { demo: { url: "http://localhost:1234" } },
});
const state = await runTerraformApply(import.meta.dir, {
agent_id: "foo",
mcp,
});
const script = findResourceInstance(
state,
"coder_script",
"antigravity_mcp",
).script;
const resp = await execContainer(id, ["sh", "-c", script]);
if (resp.exitCode !== 0) {
console.log(resp.stdout);
console.log(resp.stderr);
}
expect(resp.exitCode).toBe(0);
const content = await readFileContainer(
id,
"/root/.antigravity/mcp.json",
);
expect(content).toBe(mcp);
} finally {
await removeContainer(id);
}
});
});

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terraform {
required_version = ">= 1.0"
required_providers {
coder = {
source = "coder/coder"
version = ">= 2.5"
}
}
}
variable "agent_id" {
type = string
description = "The ID of a Coder agent."
}
variable "folder" {
type = string
description = "The folder to open in Antigravity IDE."
default = ""
}
variable "open_recent" {
type = bool
description = "Open the most recent workspace or folder. Falls back to the folder if there is no recent workspace or folder to open."
default = false
}
variable "order" {
type = number
description = "The order determines the position of app in the UI presentation. The lowest order is shown first and apps with equal order are sorted by name (ascending order)."
default = null
}
variable "group" {
type = string
description = "The name of a group that this app belongs to."
default = null
}
variable "slug" {
type = string
description = "The slug of the app."
default = "antigravity"
}
variable "display_name" {
type = string
description = "The display name of the app."
default = "Antigravity IDE"
}
variable "mcp" {
type = string
description = "JSON-encoded string to configure MCP servers for Antigravity. When set, writes ~/.antigravity/mcp.json."
default = ""
}
data "coder_workspace" "me" {}
data "coder_workspace_owner" "me" {}
locals {
mcp_b64 = var.mcp != "" ? base64encode(var.mcp) : ""
}
resource "coder_app" "antigravity" {
agent_id = var.agent_id
external = true
icon = "/icon/antigravity.svg"
slug = var.slug
display_name = var.display_name
order = var.order
group = var.group
url = join("", [
"antigravity://coder.coder-remote/open",
"?owner=",
data.coder_workspace_owner.me.name,
"&workspace=",
data.coder_workspace.me.name,
var.folder != "" ? join("", ["&folder=", var.folder]) : "",
var.open_recent ? "&openRecent" : "",
"&url=",
data.coder_workspace.me.access_url,
"&token=$SESSION_TOKEN",
])
}
resource "coder_script" "antigravity_mcp" {
count = var.mcp != "" ? 1 : 0
agent_id = var.agent_id
display_name = "Antigravity MCP"
icon = "/icon/antigravity.svg"
run_on_start = true
start_blocks_login = false
script = <<-EOT
#!/bin/sh
set -eu
mkdir -p "$HOME/.antigravity"
echo -n "${local.mcp_b64}" | base64 -d > "$HOME/.antigravity/mcp.json"
chmod 600 "$HOME/.antigravity/mcp.json"
EOT
}
output "antigravity_url" {
value = coder_app.antigravity.url
description = "Antigravity IDE URL."
}