Cleanup and split tiltfile by profiles (#4691)

# What this PR does

Make it possible to select what resources are installed in Tilt by doing
`ONCALL_PROFILES=grafana,plugin,backend,tests tilt up`

## Which issue(s) this PR closes

Related to grafana/irm#3

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## Checklist

- [ ] Unit, integration, and e2e (if applicable) tests updated
- [x] Documentation added (or `pr:no public docs` PR label added if not
required)
- [x] Added the relevant release notes label (see labels prefixed w/
`release:`). These labels dictate how your PR will
    show up in the autogenerated release notes.

.github/workflows/e2e-tests.yml

@@ -150,7 +150,7 @@ jobs:
         if: inputs.run-expensive-tests
         shell: bash
         env:
-          E2E_TESTS_CMD: "cd grafana-plugin && yarn test:e2e-expensive"
+          E2E_TESTS_CMD: "cd ../../grafana-plugin && yarn test:e2e-expensive"
           GRAFANA_VERSION: ${{ inputs.grafana_version }}
           GRAFANA_ADMIN_USERNAME: "irm"
           GRAFANA_ADMIN_PASSWORD: "irm"

.tilt/backend/Tiltfile

@@ -0,0 +1,16 @@
+label = "OnCall.Backend"
+
+k8s_resource(
+    workload="celery",
+    resource_deps=["mariadb", "redis-master"],
+    labels=[label],
+)
+
+k8s_resource(
+    workload="engine",
+    port_forwards=8080,
+    resource_deps=["mariadb", "redis-master"],
+    labels=[label],
+)
+
+k8s_resource(workload="engine-migrate", labels=[label])

.tilt/deps/Tiltfile

@@ -0,0 +1,11 @@
+label = "OnCall.Deps"
+
+k8s_resource(workload="redis-master", labels=[label])
+
+k8s_resource(workload="prometheus-server", labels=[label])
+
+k8s_resource(
+    workload="mariadb",
+    port_forwards='3307:3306', # <host_port>:<container_port>
+    labels=[label],
+)

.tilt/plugin/Tiltfile

@@ -0,0 +1,26 @@
+label = "OnCall.Plugin"
+
+is_ci=config.tilt_subcommand == "ci"
+grafana_plugin_dir="../../grafana-plugin"
+
+# On CI dependencies are installed separately so we just build prod bundle to be consumed by Grafana dev server
+if is_ci:
+    local_resource(
+        "build-ui",
+        labels=[label],
+        dir=grafana_plugin_dir,
+        cmd="yarn build",
+        allow_parallel=True,
+    )
+
+# Locally we install dependencies and we run watch mode
+if not is_ci:
+    local_resource(
+        "build-ui",
+        labels=[label],
+        dir=grafana_plugin_dir,
+        cmd="yarn install",
+        serve_dir=grafana_plugin_dir,
+        serve_cmd="yarn watch",
+        allow_parallel=True,
+    )

.tilt/tests/Tiltfile

@@ -0,0 +1,80 @@
+label = "OnCall.AllTests"
+
+load('ext://uibutton', 'cmd_button', 'location', 'text_input', 'bool_input')
+
+e2e_tests_cmd=os.getenv("E2E_TESTS_CMD", "cd ../../grafana-plugin && yarn test:e2e")
+is_ci=config.tilt_subcommand == "ci"
+
+local_resource(
+    "e2e-tests",
+    labels=[label],
+    cmd=e2e_tests_cmd,
+    trigger_mode=TRIGGER_MODE_MANUAL,
+    auto_init=is_ci,
+    resource_deps=["build-ui", "grafana", "grafana-oncall-app-provisioning-configmap", "engine", "celery"]
+)
+
+cmd_button(
+    name="E2E Tests - headless run",
+    argv=["sh", "-c", "yarn --cwd ./grafana-plugin test:e2e $STOP_ON_FIRST_FAILURE $TESTS_FILTER"],
+    text="Restart headless run",
+    resource="e2e-tests",
+    icon_name="replay",
+    inputs=[
+        text_input("BROWSERS", "Browsers (e.g. \"chromium,firefox,webkit\")", "chromium", "chromium,firefox,webkit"),
+        text_input("TESTS_FILTER", "Test filter (e.g. \"timezones.test quality.test\")", "", "Test file names to run"), 
+        bool_input("STOP_ON_FIRST_FAILURE", "Stop on first failure", True, "-x", ""),
+    ]
+)
+
+cmd_button(
+    name="E2E Tests - open watch mode",
+    argv=["sh", "-c", "yarn --cwd grafana-plugin test:e2e:watch"],
+    text="Open watch mode",
+    resource="e2e-tests",
+    icon_name="visibility",
+)
+
+cmd_button(
+    name="E2E Tests - show report",
+    argv=["sh", "-c", "yarn --cwd grafana-plugin playwright show-report"],
+    text="Show last HTML report",
+    resource="e2e-tests",
+    icon_name="assignment",
+)
+
+cmd_button(
+    name="E2E Tests - stop current run",
+    argv=["sh", "-c", "kill -9 $(pgrep -f test:e2e)"],
+    text="Stop",
+    resource="e2e-tests",
+    icon_name="dangerous",
+)
+
+# Inspired by https://github.com/grafana/slo/blob/main/Tiltfile#L72
+pod_engine_pytest_script = '''
+set -eu
+# get engine k8s pod name from tilt resource name
+POD_NAME="$(tilt get kubernetesdiscovery "engine" -ojsonpath='{.status.pods[0].name}')"
+kubectl exec "$POD_NAME" -- pytest . $STOP_ON_FIRST_FAILURE $TESTS_FILTER
+'''
+local_resource(
+    "pytest-tests",
+    labels=[label],
+    cmd=['sh', '-c', pod_engine_pytest_script],
+    trigger_mode=TRIGGER_MODE_MANUAL,
+    auto_init=False,
+    resource_deps=["engine"]
+)
+
+cmd_button(
+    name="pytest Tests - headless run",
+    argv=['sh', '-c', pod_engine_pytest_script],
+    text="Run pytest",
+    resource="pytest-tests",
+    icon_name="replay",
+    inputs=[
+        text_input("TESTS_FILTER", "pytest optional arguments (e.g. \"apps/webhooks/tests/test_webhook.py::test_build_url_private_raises\")", "", "Test file names to run"), 
+        bool_input("STOP_ON_FIRST_FAILURE", "Stop on first failure", True, "-x", ""),
+    ]
+)