feat: add slackme module (#85)
* Add Slackme module * Don't require auth * Improve slackme * Make run on starT * Try new heredoc syntax * Escape execute calls * Improve portability * Fix fmt * Improve slackme script features * Fix whitespace * Fix lintingslackme/exitcode
Kyle Carberry
2 years ago
committed by
GitHub
parent
c7c9fa9279
commit
0068642d3b
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<svg width="127" height="127" xmlns="http://www.w3.org/2000/svg">
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<path d="M27.2 80c0 7.3-5.9 13.2-13.2 13.2C6.7 93.2.8 87.3.8 80c0-7.3 5.9-13.2 13.2-13.2h13.2V80zm6.6 0c0-7.3 5.9-13.2 13.2-13.2 7.3 0 13.2 5.9 13.2 13.2v33c0 7.3-5.9 13.2-13.2 13.2-7.3 0-13.2-5.9-13.2-13.2V80z" fill="#E01E5A"/>
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<path d="M47 27c-7.3 0-13.2-5.9-13.2-13.2C33.8 6.5 39.7.6 47 .6c7.3 0 13.2 5.9 13.2 13.2V27H47zm0 6.7c7.3 0 13.2 5.9 13.2 13.2 0 7.3-5.9 13.2-13.2 13.2H13.9C6.6 60.1.7 54.2.7 46.9c0-7.3 5.9-13.2 13.2-13.2H47z" fill="#36C5F0"/>
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<path d="M99.9 46.9c0-7.3 5.9-13.2 13.2-13.2 7.3 0 13.2 5.9 13.2 13.2 0 7.3-5.9 13.2-13.2 13.2H99.9V46.9zm-6.6 0c0 7.3-5.9 13.2-13.2 13.2-7.3 0-13.2-5.9-13.2-13.2V13.8C66.9 6.5 72.8.6 80.1.6c7.3 0 13.2 5.9 13.2 13.2v33.1z" fill="#2EB67D"/>
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<path d="M80.1 99.8c7.3 0 13.2 5.9 13.2 13.2 0 7.3-5.9 13.2-13.2 13.2-7.3 0-13.2-5.9-13.2-13.2V99.8h13.2zm0-6.6c-7.3 0-13.2-5.9-13.2-13.2 0-7.3 5.9-13.2 13.2-13.2h33.1c7.3 0 13.2 5.9 13.2 13.2 0 7.3-5.9 13.2-13.2 13.2H80.1z" fill="#ECB22E"/>
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</svg>
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After Width: | Height: | Size: 1019 B |
@ -0,0 +1,81 @@
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---
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display_name: Slack Me
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description: Send a Slack message when a command finishes inside a workspace!
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icon: ../.icons/slack.svg
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maintainer_github: coder
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verified: true
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tags: [helper]
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---
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# Slack Me
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Add the `slackme` command to your workspace that DMs you on Slack when your command finishes running.
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```bash
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$ slackme npm run long-build
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```
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## Setup
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1. Navigate to [Create a Slack App](https://api.slack.com/apps?new_app=1) and select "From an app manifest". Select a workspace and paste in the following manifest, adjusting the redirect URL to your Coder deployment:
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```json
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{
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"display_information": {
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"name": "Command Notify",
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"description": "Notify developers when commands finish running inside Coder!",
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"background_color": "#1b1b1c"
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},
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"features": {
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"bot_user": {
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"display_name": "Command Notify"
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}
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},
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"oauth_config": {
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"redirect_urls": [
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"https://<your coder deployment>/external-auth/slack/callback"
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],
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"scopes": {
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"bot": ["chat:write"]
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}
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}
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}
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```
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2. In the "Basic Information" tab on the left after creating your app, scroll down to the "App Credentials" section. Set the following environment variables in your Coder deployment:
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```env
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CODER_EXTERNAL_AUTH_1_TYPE=slack
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CODER_EXTERNAL_AUTH_1_SCOPES="chat:write"
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CODER_EXTERNAL_AUTH_1_DISPLAY_NAME="Slack Me"
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CODER_EXTERNAL_AUTH_1_CLIENT_ID="<your client id>
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CODER_EXTERNAL_AUTH_1_CLIENT_SECRET="<your client secret>"
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```
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3. Restart your Coder deployment. Any Template can now import the Slack Me module, and `slackme` will be available on the `$PATH`:
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```hcl
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module "slackme" {
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source = "https://registry.coder.com/modules/slackme"
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agent_id = coder_agent.example.id
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auth_provider_id = "slack"
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}
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```
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## Examples
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### Custom Slack Message
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- `$COMMAND` is replaced with the command the user executed.
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- `$DURATION` is replaced with a human-readable duration the command took to execute.
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```hcl
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module "slackme" {
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source = "https://registry.coder.com/modules/slackme"
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agent_id = coder_agent.example.id
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auth_provider_id = "slack"
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slack_message = <<EOF
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👋 Hey there from Coder! $COMMAND took $DURATION to execute!
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EOF
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}
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```
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@ -0,0 +1,169 @@
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import { serve } from "bun";
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import { describe, expect, it } from "bun:test";
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import {
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createJSONResponse,
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execContainer,
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findResourceInstance,
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runContainer,
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runTerraformApply,
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runTerraformInit,
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testRequiredVariables,
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} from "../test";
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describe("slackme", async () => {
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await runTerraformInit(import.meta.dir);
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testRequiredVariables(import.meta.dir, {
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agent_id: "foo",
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auth_provider_id: "foo",
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});
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it("writes to path as executable", async () => {
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const { instance, id } = await setupContainer();
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await writeCoder(id, "exit 0");
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let exec = await execContainer(id, ["sh", "-c", instance.script]);
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expect(exec.exitCode).toBe(0);
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exec = await execContainer(id, ["sh", "-c", "which slackme"]);
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expect(exec.exitCode).toBe(0);
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expect(exec.stdout.trim()).toEqual("/usr/bin/slackme");
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});
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it("prints usage with no command", async () => {
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const { instance, id } = await setupContainer();
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await writeCoder(id, "echo 👋");
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let exec = await execContainer(id, ["sh", "-c", instance.script]);
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expect(exec.exitCode).toBe(0);
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exec = await execContainer(id, ["sh", "-c", "slackme"]);
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expect(exec.stdout.trim()).toStartWith(
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"slackme — Send a Slack notification when a command finishes",
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);
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});
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it("displays url when not authenticated", async () => {
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const { instance, id } = await setupContainer();
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await writeCoder(id, "echo 'some-url' && exit 1");
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let exec = await execContainer(id, ["sh", "-c", instance.script]);
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expect(exec.exitCode).toBe(0);
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exec = await execContainer(id, ["sh", "-c", "slackme echo test"]);
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expect(exec.stdout.trim()).toEndWith("some-url");
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});
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it("default output", async () => {
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await assertSlackMessage({
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command: "echo test",
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durationMS: 2,
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output: "👨💻 `echo test` completed in 2ms",
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});
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});
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it("formats multiline message", async () => {
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await assertSlackMessage({
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command: "echo test",
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format: `this command:
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\`$COMMAND\`
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executed`,
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output: `this command:
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\`echo test\`
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executed`,
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});
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});
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it("formats execution with milliseconds", async () => {
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await assertSlackMessage({
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command: "echo test",
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format: `$COMMAND took $DURATION`,
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durationMS: 150,
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output: "echo test took 150ms",
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});
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});
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it("formats execution with seconds", async () => {
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await assertSlackMessage({
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command: "echo test",
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format: `$COMMAND took $DURATION`,
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durationMS: 15000,
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output: "echo test took 15.0s",
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});
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});
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it("formats execution with minutes", async () => {
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await assertSlackMessage({
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command: "echo test",
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format: `$COMMAND took $DURATION`,
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durationMS: 120000,
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output: "echo test took 2m 0.0s",
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});
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});
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it("formats execution with hours", async () => {
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await assertSlackMessage({
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command: "echo test",
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format: `$COMMAND took $DURATION`,
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durationMS: 60000 * 60,
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output: "echo test took 1hr 0m 0.0s",
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});
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});
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});
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const setupContainer = async (
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image = "alpine",
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vars: Record<string, string> = {},
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) => {
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const state = await runTerraformApply(import.meta.dir, {
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agent_id: "foo",
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auth_provider_id: "foo",
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...vars,
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});
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const instance = findResourceInstance(state, "coder_script");
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const id = await runContainer(image);
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return { id, instance };
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};
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const writeCoder = async (id: string, script: string) => {
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const exec = await execContainer(id, [
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"sh",
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"-c",
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`echo '${script}' > /usr/bin/coder && chmod +x /usr/bin/coder`,
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]);
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expect(exec.exitCode).toBe(0);
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};
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const assertSlackMessage = async (opts: {
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command: string;
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format?: string;
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durationMS?: number;
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output: string;
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}) => {
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let url: URL;
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const fakeSlackHost = serve({
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fetch: (req) => {
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url = new URL(req.url);
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if (url.pathname === "/api/chat.postMessage")
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return createJSONResponse({
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ok: true,
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});
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return createJSONResponse({}, 404);
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},
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port: 0,
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});
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const { instance, id } = await setupContainer(
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"alpine/curl",
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opts.format && {
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slack_message: opts.format,
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},
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);
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await writeCoder(id, "echo 'token'");
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let exec = await execContainer(id, ["sh", "-c", instance.script]);
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expect(exec.exitCode).toBe(0);
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exec = await execContainer(id, [
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"sh",
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"-c",
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`DURATION_MS=${opts.durationMS || 0} SLACK_URL="http://${
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fakeSlackHost.hostname
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}:${fakeSlackHost.port}" slackme ${opts.command}`,
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]);
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expect(exec.stderr.trim()).toBe("");
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expect(url.pathname).toEqual("/api/chat.postMessage");
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expect(url.searchParams.get("channel")).toEqual("token");
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expect(url.searchParams.get("text")).toEqual(opts.output);
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};
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@ -0,0 +1,46 @@
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terraform {
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required_version = ">= 1.0"
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required_providers {
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coder = {
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source = "coder/coder"
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version = ">= 0.12"
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}
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}
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}
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variable "agent_id" {
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type = string
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description = "The ID of a Coder agent."
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}
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variable "auth_provider_id" {
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type = string
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description = "The ID of an external auth provider."
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}
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variable "slack_message" {
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type = string
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description = "The message to send to Slack."
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default = "👨💻 `$COMMAND` completed in $DURATION"
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}
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resource "coder_script" "install_slackme" {
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agent_id = var.agent_id
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display_name = "install_slackme"
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run_on_start = true
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script = <<OUTER
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#!/usr/bin/env bash
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set -e
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CODER_DIR=$(dirname $(which coder))
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cat > $CODER_DIR/slackme <<INNER
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${replace(templatefile("${path.module}/slackme.sh", {
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PROVIDER_ID : var.auth_provider_id,
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SLACK_MESSAGE : replace(var.slack_message, "`", "\\`"),
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}), "$", "\\$")}
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INNER
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chmod +x $CODER_DIR/slackme
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OUTER
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}
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@ -0,0 +1,87 @@
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#!/usr/bin/env sh
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PROVIDER_ID=${PROVIDER_ID}
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SLACK_MESSAGE=$(cat << "EOF"
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${SLACK_MESSAGE}
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EOF
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)
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SLACK_URL=$${SLACK_URL:-https://slack.com}
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usage() {
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cat <<EOF
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slackme — Send a Slack notification when a command finishes
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Usage: slackme <command>
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Example: slackme npm run long-build
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EOF
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}
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pretty_duration() {
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local duration_ms=$1
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# If the duration is less than 1 second, display in milliseconds
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if [ $duration_ms -lt 1000 ]; then
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echo "$${duration_ms}ms"
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return
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fi
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# Convert the duration to seconds
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local duration_sec=$((duration_ms / 1000))
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local remaining_ms=$((duration_ms % 1000))
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# If the duration is less than 1 minute, display in seconds (with ms)
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if [ $duration_sec -lt 60 ]; then
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echo "$${duration_sec}.$${remaining_ms}s"
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return
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fi
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# Convert the duration to minutes
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local duration_min=$((duration_sec / 60))
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local remaining_sec=$((duration_sec % 60))
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# If the duration is less than 1 hour, display in minutes and seconds
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if [ $duration_min -lt 60 ]; then
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echo "$${duration_min}m $${remaining_sec}.$${remaining_ms}s"
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return
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fi
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# Convert the duration to hours
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local duration_hr=$((duration_min / 60))
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local remaining_min=$((duration_min % 60))
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# Display in hours, minutes, and seconds
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echo "$${duration_hr}hr $${remaining_min}m $${remaining_sec}.$${remaining_ms}s"
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}
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if [ $# -eq 0 ]; then
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usage
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exit 1
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fi
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BOT_TOKEN=$(coder external-auth access-token $PROVIDER_ID)
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if [ $? -ne 0 ]; then
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printf "Authenticate with Slack to be notified when a command finishes:\n$BOT_TOKEN\n"
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exit 1
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fi
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USER_ID=$(coder external-auth access-token $PROVIDER_ID --extra "authed_user.id")
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if [ $? -ne 0 ]; then
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printf "Failed to get authenticated user ID:\n$USER_ID\n"
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exit 1
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fi
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START=$(date +%s%N)
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# Run all arguments as a command
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$@
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END=$(date +%s%N)
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DURATION_MS=$${DURATION_MS:-$(( (END - START) / 1000000 ))}
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PRETTY_DURATION=$(pretty_duration $DURATION_MS)
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set -e
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COMMAND=$(echo $@)
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SLACK_MESSAGE=$(echo "$SLACK_MESSAGE" | sed "s|\\$COMMAND|$COMMAND|g")
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SLACK_MESSAGE=$(echo "$SLACK_MESSAGE" | sed "s|\\$DURATION|$PRETTY_DURATION|g")
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curl --silent -o /dev/null --header "Authorization: Bearer $BOT_TOKEN" \
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-G --data-urlencode "text=$${SLACK_MESSAGE}" \
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"$SLACK_URL/api/chat.postMessage?channel=$USER_ID&pretty=1"
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