From a27cf86748514046d97721f40e68e00e9d142ed5 Mon Sep 17 00:00:00 2001
From: David Boreham <david@bozemanpass.com>
Date: Wed, 8 Nov 2023 19:12:48 -0700
Subject: [PATCH] Add basic k8s test (#635)

* Add CI job

* Add basic k8s test
---
 .gitea/workflows/test-k8s-deploy.yml | 55 ++++++++++++++++++++
 tests/k8s-deploy/run-deploy-test.sh  | 76 ++++++++++++++++++++++++++++
 2 files changed, 131 insertions(+)
 create mode 100644 .gitea/workflows/test-k8s-deploy.yml
 create mode 100755 tests/k8s-deploy/run-deploy-test.sh

diff --git a/.gitea/workflows/test-k8s-deploy.yml b/.gitea/workflows/test-k8s-deploy.yml
new file mode 100644
index 00000000..47583174
--- /dev/null
+++ b/.gitea/workflows/test-k8s-deploy.yml
@@ -0,0 +1,55 @@
+name: K8s Deploy Test
+
+on:
+  pull_request:
+    branches: '*'
+  push:
+    branches:
+      - main
+      - ci-test
+    paths-ignore:
+      - '.gitea/workflows/triggers/*'
+
+# Needed until we can incorporate docker startup into the executor container
+env:
+  DOCKER_HOST: unix:///var/run/dind.sock
+
+jobs:
+  test:
+    name: "Run deploy test suite"
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Clone project repository"
+        uses: actions/checkout@v3
+      # At present the stock setup-python action fails on Linux/aarch64
+      # Conditional steps below workaroud this by using deadsnakes for that case only
+      - name: "Install Python for ARM on Linux"
+        if: ${{ runner.arch == 'arm64' && runner.os == 'Linux' }}
+        uses: deadsnakes/action@v3.0.1
+        with:
+          python-version: '3.8'
+      - name: "Install Python cases other than ARM on Linux"
+        if: ${{ ! (runner.arch == 'arm64' && runner.os == 'Linux') }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.8'
+      - name: "Print Python version"
+        run: python3 --version
+      - name: "Install shiv"
+        run: pip install shiv
+      - name: "Generate build version file"
+        run: ./scripts/create_build_tag_file.sh
+      - name: "Build local shiv package"
+        run: ./scripts/build_shiv_package.sh
+      - name: Start dockerd # Also needed until we can incorporate into the executor
+        run: |
+          dockerd -H $DOCKER_HOST --userland-proxy=false &
+          sleep 5
+      - name: "Install Go"
+        uses: actions/setup-go@v4
+        with:
+          go-version: '1.21'
+      - name: "Install Kind"
+        run: go install sigs.k8s.io/kind@v0.20.0
+      - name: "Run k8s deploy tests"
+        run: ./tests/k8s-deploy/run-deploy-test.sh
diff --git a/tests/k8s-deploy/run-deploy-test.sh b/tests/k8s-deploy/run-deploy-test.sh
new file mode 100755
index 00000000..91c7890c
--- /dev/null
+++ b/tests/k8s-deploy/run-deploy-test.sh
@@ -0,0 +1,76 @@
+#!/usr/bin/env bash
+set -e
+if [ -n "$CERC_SCRIPT_DEBUG" ]; then
+  set -x
+fi
+# Note: eventually this test should be folded into ../deploy/
+# but keeping it separate for now for convenience
+TEST_TARGET_SO=$( ls -t1 ./package/laconic-so* | head -1 )
+# Dump environment variables for debugging
+echo "Environment variables:"
+env
+# Set a non-default repo dir
+export CERC_REPO_BASE_DIR=~/stack-orchestrator-test/repo-base-dir
+echo "Testing this package: $TEST_TARGET_SO"
+echo "Test version command"
+reported_version_string=$( $TEST_TARGET_SO version )
+echo "Version reported is: ${reported_version_string}"
+echo "Cloning repositories into: $CERC_REPO_BASE_DIR"
+rm -rf $CERC_REPO_BASE_DIR
+mkdir -p $CERC_REPO_BASE_DIR
+# Test basic stack-orchestrator deploy
+test_deployment_dir=$CERC_REPO_BASE_DIR/test-deployment-dir
+test_deployment_spec=$CERC_REPO_BASE_DIR/test-deployment-spec.yml
+$TEST_TARGET_SO --stack test deploy --deploy-to k8s init --output $test_deployment_spec --config CERC_TEST_PARAM_1=PASSED
+# Check the file now exists
+if [ ! -f "$test_deployment_spec" ]; then
+    echo "deploy init test: spec file not present"
+    echo "deploy init test: FAILED"
+    exit 1
+fi
+echo "deploy init test: passed"
+$TEST_TARGET_SO --stack test deploy create --spec-file $test_deployment_spec --deployment-dir $test_deployment_dir
+# Check the deployment dir exists
+if [ ! -d "$test_deployment_dir" ]; then
+    echo "deploy create test: deployment directory not present"
+    echo "deploy create test: FAILED"
+    exit 1
+fi
+echo "deploy create test: passed"
+# Check the file writted by the create command in the stack now exists
+if [ ! -f "$test_deployment_dir/create-file" ]; then
+    echo "deploy create test: create output file not present"
+    echo "deploy create test: FAILED"
+    exit 1
+fi
+# And has the right content
+create_file_content=$(<$test_deployment_dir/create-file)
+if [ ! "$create_file_content" == "create-command-output-data"  ]; then
+    echo "deploy create test: create output file contents not correct"
+    echo "deploy create test: FAILED"
+    exit 1
+fi
+echo "deploy create output file test: passed"
+# Try to start the deployment
+$TEST_TARGET_SO deployment --dir $test_deployment_dir start
+# TODO: add a check to see if the container is up
+# Sleep because k8s not up yet
+sleep 30
+# Check logs command works
+log_output_3=$( $TEST_TARGET_SO deployment --dir $test_deployment_dir logs )
+if [[ "$log_output_3" == *"Filesystem is fresh"* ]]; then
+    echo "deployment logs test: passed"
+else
+    echo "deployment logs test: FAILED"
+    exit 1
+fi
+# Check the config variable CERC_TEST_PARAM_1 was passed correctly
+if [[ "$log_output_3" == *"Test-param-1: PASSED"* ]]; then
+    echo "deployment config test: passed"
+else
+    echo "deployment config test: FAILED"
+    exit 1
+fi
+# Stop and clean up
+$TEST_TARGET_SO deployment --dir $test_deployment_dir stop --delete-volumes
+echo "Test passed"