Migrating to Drools.

20 files changed, 702 insertions, 0 deletions

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..26a9bfe
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.iml
+target
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..73f69e0
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
+# Editor-based HTTP Client requests
+/httpRequests/
diff --git a/acme.yaml b/acme.yaml
new file mode 100644
index 0000000..26398b2
--- /dev/null
+++ b/acme.yaml
@@ -0,0 +1,11 @@
+type: io.trygvis.rules.acme.AcmeMyApp
+data:
+  environment: ci
+  dockerTag: development
+---
+type: io.trygvis.rules.acme.AcmeMyApp
+data:
+  environment: production
+  dockerTag: master
+---
+type: io.trygvis.rules.acme.AcmeOps
diff --git a/classpath.txt b/classpath.txt
new file mode 100644
index 0000000..bfc9a03
--- /dev/null
+++ b/classpath.txt
@@ -0,0 +1,40 @@
+io.trygvis.rules-sandbox:rules-sandbox:1.0-SNAPSHOT:jar
+ch.qos.logback:logback-classic:1.2.3:jar
+ch.qos.logback:logback-core:1.2.3:jar
+com.fasterxml.jackson.core:jackson-annotations:2.12.0:jar
+com.fasterxml.jackson.core:jackson-core:2.12.0:jar
+com.fasterxml.jackson.core:jackson-databind:2.12.0:jar
+com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:2.12.0:jar
+com.github.virtuald:curvesapi:1.06:jar
+com.thoughtworks.xstream:xstream:1.4.14:jar
+com.zaxxer:SparseBitSet:1.2:jar
+commons-codec:commons-codec:1.11:jar
+org.antlr:antlr-runtime:3.5.2:jar
+org.apache.commons:commons-collections4:4.4:jar
+org.apache.commons:commons-compress:1.19:jar
+org.apache.commons:commons-math3:3.4.1:jar
+org.apache.poi:poi:4.1.2:jar
+org.apache.poi:poi-ooxml:4.1.2:jar
+org.apache.poi:poi-ooxml-schemas:4.1.2:jar
+org.apache.xmlbeans:xmlbeans:3.1.0:jar
+org.drools:drools-compiler:7.47.0.Final:jar
+org.drools:drools-core:7.47.0.Final:jar
+org.drools:drools-core-dynamic:7.47.0.Final:jar
+org.drools:drools-core-reflective:7.47.0.Final:jar
+org.drools:drools-decisiontables:7.47.0.Final:jar
+org.drools:drools-ecj:7.47.0.Final:jar
+org.drools:drools-mvel:7.47.0.Final:jar
+org.drools:drools-templates:7.47.0.Final:jar
+org.kie:kie-api:7.47.0.Final:jar
+org.kie:kie-internal:7.47.0.Final:jar
+org.kie:kie-memory-compiler:7.47.0.Final:jar
+org.kie.soup:kie-soup-commons:7.47.0.Final:jar
+org.kie.soup:kie-soup-maven-support:7.47.0.Final:jar
+org.kie.soup:kie-soup-project-datamodel-api:7.47.0.Final:jar
+org.kie.soup:kie-soup-project-datamodel-commons:7.47.0.Final:jar
+org.kie.soup:kie-soup-xstream:7.47.0.Final:jar
+org.mvel:mvel2:2.4.10.Final:jar
+org.slf4j:slf4j-api:1.7.26:jar
+org.yaml:snakeyaml:1.26:jar
+xmlpull:xmlpull:1.2.0:jar
+xpp3:xpp3_min:1.2.0:jar
diff --git a/out/phase-1.yaml b/out/phase-1.yaml
new file mode 100644
index 0000000..0b8d48b
--- /dev/null
+++ b/out/phase-1.yaml
@@ -0,0 +1,246 @@
+---
+type: "io.trygvis.rules.acme.AcmeMyApp"
+data:
+  environment: "ci"
+  dockerTag: "development"
+---
+type: "io.trygvis.rules.acme.AcmeMyApp"
+data:
+  environment: "production"
+  dockerTag: "master"
+---
+type: "io.trygvis.rules.dba.Cluster"
+data:
+  name: "acme-ci"
+---
+type: "io.trygvis.rules.dba.Cluster"
+data:
+  name: "acme-production"
+---
+type: "io.trygvis.rules.dba.Container"
+data:
+  cluster:
+    name: "acme-ci"
+  name: "db"
+  machineRole: "mdb"
+  image: "mongodb"
+  tag: "3.2"
+---
+type: "io.trygvis.rules.dba.Container"
+data:
+  cluster:
+    name: "acme-ci"
+  name: "app"
+  machineRole: "4tune-web"
+  image: "4tune-web"
+  tag: "development"
+---
+type: "io.trygvis.rules.dba.Container"
+data:
+  cluster:
+    name: "acme-production"
+  name: "db"
+  machineRole: "mdb"
+  image: "mongodb"
+  tag: "3.2"
+---
+type: "io.trygvis.rules.dba.Container"
+data:
+  cluster:
+    name: "acme-production"
+  name: "app"
+  machineRole: "statera"
+  image: "statera"
+  tag: "master"
+---
+type: "io.trygvis.rules.dba.Container"
+data:
+  cluster:
+    name: "acme-production"
+  name: "app"
+  machineRole: "4tune-web"
+  image: "4tune-web"
+  tag: "master"
+---
+type: "io.trygvis.rules.dba.Container"
+data:
+  cluster:
+    name: "acme-ci"
+  name: "app"
+  machineRole: "4tune-api"
+  image: "4tune-api"
+  tag: "development"
+---
+type: "io.trygvis.rules.dba.Container"
+data:
+  cluster:
+    name: "acme-production"
+  name: "db"
+  machineRole: "pdb"
+  image: "postgresql"
+  tag: "13"
+---
+type: "io.trygvis.rules.dba.Container"
+data:
+  cluster:
+    name: "acme-ci"
+  name: "app"
+  machineRole: "statera"
+  image: "statera"
+  tag: "development"
+---
+type: "io.trygvis.rules.dba.Container"
+data:
+  cluster:
+    name: "acme-production"
+  name: "app"
+  machineRole: "4tune-api"
+  image: "4tune-api"
+  tag: "master"
+---
+type: "io.trygvis.rules.dba.Container"
+data:
+  cluster:
+    name: "acme-production"
+  name: "app"
+  machineRole: "statera-console"
+  image: "statera-console"
+  tag: "master"
+---
+type: "io.trygvis.rules.dba.Container"
+data:
+  cluster:
+    name: "acme-ci"
+  name: "db"
+  machineRole: "pdb"
+  image: "postgresql"
+  tag: "13"
+---
+type: "io.trygvis.rules.dba.Container"
+data:
+  cluster:
+    name: "acme-ci"
+  name: "app"
+  machineRole: "statera-console"
+  image: "statera-console"
+  tag: "development"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "AAAA"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "A"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "A"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "A"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "db.machine.acme.org"
+  type: "A"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "A"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "db.machine.acme.org"
+  type: "A"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "A"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "db.machine.acme.org"
+  type: "AAAA"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "db.machine.acme.org"
+  type: "A"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "AAAA"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "db.machine.acme.org"
+  type: "AAAA"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "db.machine.acme.org"
+  type: "AAAA"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "db.machine.acme.org"
+  type: "A"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "AAAA"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "AAAA"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "AAAA"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "AAAA"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "A"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "db.machine.acme.org"
+  type: "AAAA"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "A"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "AAAA"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "A"
+---
+type: "io.trygvis.rules.dns.DnsEntry"
+data:
+  fqdn: "app.machine.acme.org"
+  type: "AAAA"
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..753b284
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,139 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>io.trygvis.rules-sandbox</groupId>
+  <artifactId>rules-sandbox</artifactId>
+  <version>1.0-SNAPSHOT</version>
+
+  <properties>
+    <java.module.name>io.trygvis.rules.sandbox</java.module.name>
+    <drools.version>7.47.0.Final</drools.version>
+    <version.jackson>2.12.0</version.jackson>
+
+    <java.version>15</java.version>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+  </properties>
+
+  <dependencyManagement>
+    <dependencies>
+      <dependency>
+        <groupId>org.drools</groupId>
+        <artifactId>drools</artifactId>
+        <version>${drools.version}</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+      <dependency>
+        <groupId>org.glassfish.jaxb</groupId>
+        <artifactId>jaxb-bom</artifactId>
+        <version>2.3.2</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
+
+      <dependency>
+        <groupId>com.fasterxml.jackson.dataformat</groupId>
+        <artifactId>jackson-dataformat-yaml</artifactId>
+        <version>${version.jackson}</version>
+      </dependency>
+      <dependency>
+        <groupId>com.fasterxml.jackson.core</groupId>
+        <artifactId>jackson-annotations</artifactId>
+        <version>${version.jackson}</version>
+      </dependency>
+      <dependency>
+        <groupId>com.fasterxml.jackson.core</groupId>
+        <artifactId>jackson-core</artifactId>
+        <version>${version.jackson}</version>
+      </dependency>
+      <dependency>
+        <groupId>com.fasterxml.jackson.core</groupId>
+        <artifactId>jackson-databind</artifactId>
+        <version>${version.jackson}</version>
+      </dependency>
+
+    </dependencies>
+  </dependencyManagement>
+
+  <dependencies>
+    <dependency>
+      <groupId>org.kie</groupId>
+      <artifactId>kie-api</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.drools</groupId>
+      <artifactId>drools-core</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.drools</groupId>
+      <artifactId>drools-compiler</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.drools</groupId>
+      <artifactId>drools-decisiontables</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.drools</groupId>
+      <artifactId>drools-templates</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>org.kie</groupId>
+      <artifactId>kie-internal</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>org.mvel</groupId>
+      <artifactId>mvel2</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>ch.qos.logback</groupId>
+      <artifactId>logback-classic</artifactId>
+    </dependency>
+
+    <dependency>
+      <groupId>com.fasterxml.jackson.dataformat</groupId>
+      <artifactId>jackson-dataformat-yaml</artifactId>
+    </dependency>
+    <dependency>
+      <groupId>com.fasterxml.jackson.core</groupId>
+      <artifactId>jackson-core</artifactId>
+    </dependency>
+
+  </dependencies>
+
+  <build>
+    <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-compiler-plugin</artifactId>
+        <version>3.8.1</version>
+        <configuration>
+          <source>15</source>
+          <release>${java.version}</release>
+          <encoding>UTF-8</encoding>
+          <compilerArgs>
+            --enable-preview
+          </compilerArgs>
+          <target>15</target>
+        </configuration>
+      </plugin>
+      <plugin>
+        <groupId>eu.nets.oss.maven</groupId>
+        <artifactId>classpath-maven-plugin</artifactId>
+        <version>1.0</version>
+        <executions>
+          <execution>
+            <id>default</id>
+            <goals>
+              <goal>export-classpath</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+  </build>
+</project>
diff --git a/src/main/java/io/trygvis/rules/acme/AcmeIo.java b/src/main/java/io/trygvis/rules/acme/AcmeIo.java
new file mode 100644
index 0000000..67dd4cb
--- /dev/null
+++ b/src/main/java/io/trygvis/rules/acme/AcmeIo.java
@@ -0,0 +1,81 @@
+package io.trygvis.rules.acme;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import com.fasterxml.jackson.dataformat.yaml.YAMLFactory;
+import com.fasterxml.jackson.dataformat.yaml.YAMLGenerator;
+import org.drools.core.common.DefaultFactHandle;
+import org.kie.api.runtime.rule.FactHandle;
+
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.util.AbstractMap;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+import java.util.Map;
+
+public class AcmeIo {
+    private final ObjectMapper mapper;
+
+    public AcmeIo() {
+        var factory = new YAMLFactory();
+        factory.enable(YAMLGenerator.Feature.USE_NATIVE_TYPE_ID);
+        factory.enable(YAMLGenerator.Feature.USE_NATIVE_OBJECT_ID);
+        mapper = new ObjectMapper(factory);
+        mapper.findAndRegisterModules();
+    }
+
+    public List<Object> load(String file) throws IOException {
+        var parser = mapper.getFactory().createParser(new File(file));
+
+        var objects = mapper.readValues(parser, AcmeObject.class).readAll(new ArrayList<>());
+
+        List<Object> items = new ArrayList<>(objects.size());
+        for (AcmeObject object : objects) {
+            try {
+                var type = Class.forName(object.type);
+                var x = mapper.treeToValue(object.data, type);
+                items.add(x);
+            } catch (ClassNotFoundException e) {
+                throw new IOException(e);
+            }
+        }
+
+        return items;
+    }
+
+    public void dump(String s, Collection<FactHandle> factHandles) throws IOException {
+        var out = new File("out");
+
+        if (!out.isDirectory()) {
+            if (!out.mkdirs()) {
+                throw new IOException("Could not create directory: " + out);
+            }
+        }
+
+        List<Map.Entry<String, Object>> facts = new ArrayList<>(factHandles.size());
+        for (var handle : factHandles) {
+            if (handle instanceof DefaultFactHandle h) {
+                facts.add(new AbstractMap.SimpleImmutableEntry<>(
+                        h.getObjectClassName(),
+                        h.getObject()));
+            }
+        }
+
+        facts.sort(Map.Entry.comparingByKey());
+
+        var factory = mapper.getFactory();
+        try (var writer = new FileWriter(new File(out, s + ".yaml"));
+             var g = factory.createGenerator(writer)) {
+            for (Map.Entry<String, Object> fact : facts) {
+                g.writeObject(new AcmeObject(
+                        fact.getKey(),
+                        mapper.valueToTree(fact.getValue())
+                ));
+            }
+        }
+    }
+}
diff --git a/src/main/java/io/trygvis/rules/acme/AcmeMyApp.java b/src/main/java/io/trygvis/rules/acme/AcmeMyApp.java
new file mode 100644
index 0000000..a1340e7
--- /dev/null
+++ b/src/main/java/io/trygvis/rules/acme/AcmeMyApp.java
@@ -0,0 +1,6 @@
+package io.trygvis.rules.acme;
+
+public class AcmeMyApp {
+    public String environment;
+    public String dockerTag;
+}
diff --git a/src/main/java/io/trygvis/rules/acme/AcmeObject.java b/src/main/java/io/trygvis/rules/acme/AcmeObject.java
new file mode 100644
index 0000000..a75c4ba
--- /dev/null
+++ b/src/main/java/io/trygvis/rules/acme/AcmeObject.java
@@ -0,0 +1,16 @@
+package io.trygvis.rules.acme;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+public final class AcmeObject {
+    public String type;
+    public ObjectNode data;
+
+    public AcmeObject() {
+    }
+
+    public AcmeObject(String type, ObjectNode data) {
+        this.type = type;
+        this.data = data;
+    }
+}
diff --git a/src/main/java/io/trygvis/rules/acme/AcmeOps.java b/src/main/java/io/trygvis/rules/acme/AcmeOps.java
new file mode 100644
index 0000000..147fcfa
--- /dev/null
+++ b/src/main/java/io/trygvis/rules/acme/AcmeOps.java
@@ -0,0 +1,4 @@
+package io.trygvis.rules.acme;
+
+public class AcmeOps {
+}
diff --git a/src/main/java/io/trygvis/rules/dba/Cluster.java b/src/main/java/io/trygvis/rules/dba/Cluster.java
new file mode 100644
index 0000000..949d9ae
--- /dev/null
+++ b/src/main/java/io/trygvis/rules/dba/Cluster.java
@@ -0,0 +1,9 @@
+package io.trygvis.rules.dba;
+
+public class Cluster {
+    public String name;
+
+    public Cluster(String name) {
+        this.name = name;
+    }
+}
diff --git a/src/main/java/io/trygvis/rules/dba/Container.java b/src/main/java/io/trygvis/rules/dba/Container.java
new file mode 100644
index 0000000..6df939d
--- /dev/null
+++ b/src/main/java/io/trygvis/rules/dba/Container.java
@@ -0,0 +1,17 @@
+package io.trygvis.rules.dba;
+
+public class Container {
+    public Cluster cluster;
+    public String name;
+    public String machineRole;
+    public String image;
+    public String tag;
+
+    public Container(Cluster cluster, String name, String machineRole, String image, String tag) {
+        this.cluster = cluster;
+        this.name = name;
+        this.machineRole = machineRole;
+        this.image = image;
+        this.tag = tag;
+    }
+}
diff --git a/src/main/java/io/trygvis/rules/dns/DnsEntry.java b/src/main/java/io/trygvis/rules/dns/DnsEntry.java
new file mode 100644
index 0000000..e7d9f4c
--- /dev/null
+++ b/src/main/java/io/trygvis/rules/dns/DnsEntry.java
@@ -0,0 +1,19 @@
+package io.trygvis.rules.dns;
+
+public class DnsEntry {
+    public String fqdn;
+    public String type;
+
+    public DnsEntry(String fqdn, String type) {
+        this.fqdn = fqdn;
+        this.type = type;
+    }
+
+    public static DnsEntry a(String fqdn) {
+        return new DnsEntry(fqdn, "A");
+    }
+
+    public static DnsEntry aaaa(String fqdn) {
+        return new DnsEntry(fqdn, "AAAA");
+    }
+}
diff --git a/src/main/java/io/trygvis/rules/engine/Main.java b/src/main/java/io/trygvis/rules/engine/Main.java
new file mode 100644
index 0000000..3730c28
--- /dev/null
+++ b/src/main/java/io/trygvis/rules/engine/Main.java
@@ -0,0 +1,36 @@
+package io.trygvis.rules.engine;
+
+import io.trygvis.rules.acme.AcmeIo;
+import org.drools.core.audit.WorkingMemoryConsoleLogger;
+import org.drools.core.common.DefaultFactHandle;
+import org.kie.api.KieServices;
+import org.kie.api.event.rule.AgendaEventListener;
+import org.kie.api.event.rule.RuleRuntimeEventListener;
+
+import java.io.IOException;
+
+public class Main {
+    public static void main(String[] args) throws IOException {
+        var io = new AcmeIo();
+
+        var objects = io.load("acme.yaml");
+
+        var services = KieServices.Factory.get();
+        var container = services.getKieClasspathContainer();
+        var session = container.newKieSession();
+
+        for (var object : objects) {
+            System.out.println("object = " + object);
+            session.insert(object);
+        }
+
+        var logger = new WorkingMemoryConsoleLogger(session);
+        session.addEventListener((AgendaEventListener) logger);
+        session.addEventListener((RuleRuntimeEventListener) logger);
+        session.fireAllRules();
+
+        io.dump("phase-1", session.getFactHandles());
+
+        session.dispose();
+    }
+}
diff --git a/src/main/java/io/trygvis/rules/machine/Machine.java b/src/main/java/io/trygvis/rules/machine/Machine.java
new file mode 100644
index 0000000..b58aeb2
--- /dev/null
+++ b/src/main/java/io/trygvis/rules/machine/Machine.java
@@ -0,0 +1,9 @@
+package io.trygvis.rules.machine;
+
+public class Machine {
+    public String name;
+
+    public Machine(String name) {
+        this.name = name;
+    }
+}
diff --git a/src/main/java/io/trygvis/rules/terraform/Machine.java b/src/main/java/io/trygvis/rules/terraform/Machine.java
new file mode 100644
index 0000000..01bea77
--- /dev/null
+++ b/src/main/java/io/trygvis/rules/terraform/Machine.java
@@ -0,0 +1,4 @@
+package io.trygvis.rules.terraform;
+
+public class Machine {
+}
diff --git a/src/main/resources/META-INF/kmodule.xml b/src/main/resources/META-INF/kmodule.xml
new file mode 100644
index 0000000..911fdc6
--- /dev/null
+++ b/src/main/resources/META-INF/kmodule.xml
@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<kmodule xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xmlns="http://www.drools.org/xsd/kmodule"
+         xsi:schemaLocation="http://www.drools.org/xsd/kmodule https://www.drools.org/xsd/kmodule_7_1.xsd">
+
+  <kbase packages="io.trygvis.rules,io.trygvis.rules.acme,io.trygvis.rules.dba,io.trygvis.rules.machine"
+         default="true">
+    <ksession name="Default" default="true"/>
+  </kbase>
+</kmodule>
diff --git a/src/main/resources/io/trygvis/rules/acme/acme.drl b/src/main/resources/io/trygvis/rules/acme/acme.drl
new file mode 100644
index 0000000..2439ddb
--- /dev/null
+++ b/src/main/resources/io/trygvis/rules/acme/acme.drl
@@ -0,0 +1,30 @@
+package io.trygvis.rules.acme;
+
+import io.trygvis.rules.dba.Cluster;
+import io.trygvis.rules.dba.Container;
+
+rule "Ops"
+when
+    $ops: AcmeOps()
+then
+    var cluster = new Cluster("acme-ops");
+    insert(cluster);
+    insert(new Container(cluster, "app", "pdb", "postgresql", "11"));
+    insert(new Container(cluster, "app", "n8n", "n8n", "0.84.1"));
+end
+
+rule "MyApp"
+when
+    $app: AcmeMyApp()
+then
+    var cluster = new Cluster("acme-" + $app.environment);
+    insert(cluster);
+
+    var tag = $app.dockerTag;
+    insert(new Container(cluster, "app", "statera", "statera", tag));
+    insert(new Container(cluster, "app", "statera-console", "statera-console", tag));
+    insert(new Container(cluster, "app", "4tune-web", "4tune-web", tag));
+    insert(new Container(cluster, "app", "4tune-api", "4tune-api", tag));
+    insert(new Container(cluster, "db", "pdb", "postgresql", "13"));
+    insert(new Container(cluster, "db", "mdb", "mongodb", "3.2"));
+end
diff --git a/src/main/resources/io/trygvis/rules/dba/dba.drl b/src/main/resources/io/trygvis/rules/dba/dba.drl
new file mode 100644
index 0000000..7beceef
--- /dev/null
+++ b/src/main/resources/io/trygvis/rules/dba/dba.drl
@@ -0,0 +1 @@
+package io.trygvis.rules.dba;
diff --git a/src/main/resources/io/trygvis/rules/machine/machine.drl b/src/main/resources/io/trygvis/rules/machine/machine.drl
new file mode 100644
index 0000000..45df925
--- /dev/null
+++ b/src/main/resources/io/trygvis/rules/machine/machine.drl
@@ -0,0 +1,14 @@
+package io.trygvis.rules.machine;
+
+import io.trygvis.rules.dba.Cluster;
+import io.trygvis.rules.dba.Container;
+import io.trygvis.rules.machine.Machine;
+import io.trygvis.rules.dns.DnsEntry;
+
+rule "New machine"
+when
+    $container: Container()
+then
+    insert(DnsEntry.a($container.name + ".machine.acme.org"));
+    insert(DnsEntry.aaaa($container.name + ".machine.acme.org"));
+end