chore(deployment): create deployment tools for sequencer (#1677)

.github/workflows/deployment.yml

@@ -0,0 +1,36 @@
+name: Sequencer Deployment Test
+on:
+  push:
+    branches:
+      - main
+      - main-v[0-9].**
+    tags:
+      - v[0-9].**
+    # TODO(Dori, 1/9/2024): Decide when exactly native-blockifier artifacts will be built. Until
+    #   then, keep the 'paths' key empty and build on every push to a release branch / tag.
+
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - auto_merge_enabled
+      - edited
+    paths:
+    - 'deployments/sequencer/*'
+
+
+jobs:
+  deployment:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: |
+          # Install deps.
+          npm install -g cdk8s-cli
+          python3 -m pip install pipenv
+
+          # Synthesize the CDK8s Sequencer app.
+          cd deployments/sequencer
+          cdk8s synth
+          diff -au references/sequencer-system.k8s.yaml dist/sequencer-system.k8s.yaml

deployments/sequencer/Pipfile

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+[[source]]
+name = "pypi"
+url = "https://pypi.org/simple"
+verify_ssl = true
+
+[dev-packages]
+
+[packages]
+cdk8s = "~=2.66.2"
+constructs = "~=10.2.70"
+jsonschema = "~=4.23.0"
+
+[requires]
+python_version = "3.10"

deployments/sequencer/README.md

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+# CRD
+
+Example usage of [`Custom Resources Definitions`](https://cdk8s.io/docs/latest/cli/import/#crds) construct and to define them within a cdk8s application:
+
+- `App` (Core)
+- `Chart` (Core)
+- `Certificate` (CRD)

deployments/sequencer/cdk8s.yaml

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+language: python
+app: pipenv install && pipenv run python ./main.py
+imports:
+  - k8s@1.26.0
+  - resources/crds/backendconfigs_cloud_google_com.yaml

deployments/sequencer/config/sequencer.py

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+from typing import Dict, Any
+import os
+import json
+import jsonschema
+
+ROOT_DIR = os.path.join(os.path.dirname(os.path.abspath(__file__)), '../../../')
+CONFIG_DIR = os.path.join(ROOT_DIR, 'config/papyrus/')
+
+
+class Config():
+    def __init__(self, schema: Dict[Any, Any], config: Dict[Any, Any]):
+        self.schema = schema
+        self.config = config
+
+    def get(self):
+        return self.config
+
+    def validate(self):
+        pass
+
+
+class SequencerDevConfig(Config):
+    def __init__(self):
+        super().__init__(
+            schema=json.loads(open(os.path.join(CONFIG_DIR, 'default_config.json'), 'r').read()),
+            config=json.loads(open(os.path.join(CONFIG_DIR, 'presets', 'sepolia_testnet.json'), 'r').read())
+            )
+
+    def validate(self):
+        jsonschema.validate(self.config, schema=self.schema)