From a5e2250b222d819354f78c4835445e5c45c61452 Mon Sep 17 00:00:00 2001
From: Allen Huang <allenhuang@secondspectrum.com>
Date: Tue, 3 Aug 2021 14:56:30 -0700
Subject: [PATCH 1/3] Add Dockerfile

---
 Dockerfile | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 Dockerfile

diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..16a82ff
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1,10 @@
+# Only use semver version tags. Don't specify distro!
+FROM node:16.2.0-stretch
+
+RUN curl --silent -o /usr/local/bin/node-prune https://s3.amazonaws.com/ssi-us-east-1-pkg/node-prune/node-prune-0.1 && \
+    chmod +x /usr/local/bin/node-prune && \
+    rm -rf /tmp/* && \
+    groupadd ssi -r && \
+    useradd -r -g ssi ssi
+
+CMD ["echo", "Hello World from node"]

From 6c3b7f9a1c6c2388ce9244b75dcc08ecfdd57b32 Mon Sep 17 00:00:00 2001
From: Allen Huang <allenhuang@secondspectrum.com>
Date: Thu, 5 Aug 2021 10:31:09 -0700
Subject: [PATCH 2/3] Add pipeline.yml

---
 buildkite.yml | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 buildkite.yml

diff --git a/buildkite.yml b/buildkite.yml
new file mode 100644
index 0000000..d0f2825
--- /dev/null
+++ b/buildkite.yml
@@ -0,0 +1,15 @@
+steps:
+  - command: "pwd && ls"
+  - wait
+  - commands: 
+    - "echo 'Hello World'"
+    - "docker build . -t test-image"
+    - "docker run test-image"
+    plugins: 
+    - docker#v3.8.0:
+        image: "676020893150.dkr.ecr.us-east-1.amazonaws.com/docker"
+        always-pull: true
+        volumes:
+            - "/var/run/docker.sock:/var/run/docker.sock"
+    label: "test"
+

From d407874860aac2485f05e37d4d04344de9ca16b6 Mon Sep 17 00:00:00 2001
From: Allen Huang <allenhuang@secondspectrum.com>
Date: Thu, 5 Aug 2021 23:44:03 -0700
Subject: [PATCH 3/3] Test dynamic pipelines

---
 buildkite.yml         |  4 ++--
 generate-pipelines.sh | 15 +++++++++++++++
 pipelines.jsonnet     | 32 ++++++++++++++++++++++++++++++++
 workspaces.json       |  3 +++
 4 files changed, 52 insertions(+), 2 deletions(-)
 create mode 100755 generate-pipelines.sh
 create mode 100644 pipelines.jsonnet
 create mode 100644 workspaces.json

diff --git a/buildkite.yml b/buildkite.yml
index d0f2825..8d0d5b7 100644
--- a/buildkite.yml
+++ b/buildkite.yml
@@ -1,6 +1,4 @@
 steps:
-  - command: "pwd && ls"
-  - wait
   - commands: 
     - "echo 'Hello World'"
     - "docker build . -t test-image"
@@ -12,4 +10,6 @@ steps:
         volumes:
             - "/var/run/docker.sock:/var/run/docker.sock"
     label: "test"
+  - wait
+  - command: ./generate-pipelines.sh
 
diff --git a/generate-pipelines.sh b/generate-pipelines.sh
new file mode 100755
index 0000000..d65aa88
--- /dev/null
+++ b/generate-pipelines.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+set -euo pipefail
+
+envs_file='envs.yml'
+workspaces_file='workspaces.json'
+
+rm -rf "$envs_file"
+jsonnet pipelines.jsonnet | yq eval -P - > "$envs_file"
+
+envs=$(jq -r '.workspaces[]' "$workspaces_file")
+
+for e in ${envs[@]}; do
+  yq eval ".$e" "$envs_file" | buildkite-agent pipeline upload
+done
+
diff --git a/pipelines.jsonnet b/pipelines.jsonnet
new file mode 100644
index 0000000..def9885
--- /dev/null
+++ b/pipelines.jsonnet
@@ -0,0 +1,32 @@
+local workspaces = (import 'workspaces.json').workspaces;
+
+local plan_job(script, ws) = {
+  command: script + ws,
+  key: 'plan-' + ws,
+  label: 'plan-' + ws,
+};
+
+local apply_job(script, ws) = {
+  command: [script + ws],
+  depends_on: ['plan-' + ws],
+};
+
+local pipeline(ws) = {
+  [ws]: {
+    steps: [
+      plan_job('echo terraform plan-', ws),
+      // { block: 'apply-' + ws },
+      apply_job('echo terraform apply-', ws),
+    ],
+  },
+};
+
+local generate_pipelines(pipelines) =
+  local append(arr, i, res) =
+    if i >= std.length(arr) then
+      res
+    else
+      append(arr, i + 1, res + arr[i]) tailstrict;
+  append(pipelines, 0, {});
+
+{} + generate_pipelines([pipeline(ws) for ws in workspaces])
diff --git a/workspaces.json b/workspaces.json
new file mode 100644
index 0000000..6dd89cf
--- /dev/null
+++ b/workspaces.json
@@ -0,0 +1,3 @@
+{
+  "workspaces": ["prod", "dev", "stg"]
+}