This page documents how to get CLAMP up and running on a local machine and also how to get CLAMP loaded and set up in an IDE. We may use the information on this page as input for a page in the CLAMP documentation.

Checking out and building CLAMP

Check CLAMP out of its repo

git clone "https://gerrit.onap.org/r/clamp"

Change into the "clamp" directory

Build CLAMP

mvn clean install

You may get the following error (See CLAMP-944 - Getting issue details... STATUS )

[ERROR] DOCKER> I/O Error [[docker.io/python:2-slim] "python": Timeout after 120088 ms while waiting on tcp port '[/172.17.0.3:8080]']

If so, then run the following command to skip integration tests

mvn clean install -DskipITs

Getting CLAMP set up locally in your IDE

Import the CLAMP project into your IDE

Eclipse only: Add the following Eclipse profile to pom.xml for Eclipse m2e support, then run Maven->Update

        <profile>
            <!--This profile is used to store Eclipse m2e settings only. It has no 
                influence on the Maven build itself. -->
            <id>only-eclipse</id>
            <activation>
                <property>
                    <name>m2e.version</name>
                </property>
            </activation>
            <build>
                <pluginManagement>
                    <plugins>
                        <plugin>
                            <groupId>org.eclipse.m2e</groupId>
                            <artifactId>lifecycle-mapping</artifactId>
                            <version>1.0.0</version>
                            <configuration>
                                <lifecycleMappingMetadata>
                                    <pluginExecutions>
                                        <pluginExecution>
                                            <pluginExecutionFilter>
                                                <groupId>de.jpdigital</groupId>
                                                <artifactId>hibernate52-ddl-maven-plugin</artifactId>
                                                <versionRange>[2.2.0,)</versionRange>
                                                <goals>
                                                    <goal>gen-ddl</goal>
                                                </goals>
                                            </pluginExecutionFilter>
                                            <action>
                                                <execute />
                                            </action>
                                        </pluginExecution>
                                        <pluginExecution>
                                            <pluginExecutionFilter>
                                                <groupId>org.codehaus.groovy.maven</groupId>
                                                <artifactId>gmaven-plugin</artifactId>
                                                <versionRange>[1.0,)</versionRange>
                                                <goals>
                                                    <goal>execute</goal>
                                                </goals>
                                            </pluginExecutionFilter>
                                            <action>
                                                <execute />
                                            </action>
                                        </pluginExecution>
                                        <pluginExecution>
                                            <pluginExecutionFilter>
                                                <groupId>org.codehaus.mojo</groupId>
                                                <artifactId>exec-maven-plugin</artifactId>
                                                <versionRange>[1.3.2,)</versionRange>
                                                <goals>
                                                    <goal>exec</goal>
                                                </goals>
                                            </pluginExecutionFilter>
                                            <action>
                                                <execute />
                                            </action>
                                        </pluginExecution>
                                        <pluginExecution>
                                            <pluginExecutionFilter>
                                                <groupId>com.github.eirslett</groupId>
                                                <artifactId>frontend-maven-plugin</artifactId>
                                                <versionRange>[1.8.0,)</versionRange>
                                                <goals>
                                                    <goal>npm</goal>
                                                </goals>
                                            </pluginExecutionFilter>
                                            <action>
                                                <execute />
                                            </action>
                                        </pluginExecution>
                                    </pluginExecutions>
                                </lifecycleMappingMetadata>
                            </configuration>
                        </plugin>
                    </plugins>
                </pluginManagement>
            </build>
        </profile>

Running unit tests locally

In order to run the unit tests locally, you need to run an instance of MariaDB and an instance of the emulator for the REST endpoints CLAMP uses. You also need to set the values some variables in a number of configuration files. These values are automatically generated in the maven build but need to be set manually when running tests locally.

If you follow the steps here, all the tests will pass in a Linux environment. In Windows and Mac environments, the Robot test case will not pass because Host Networking is not supported in Docker on WIndows and Mac. The robot test framework cannot reach "localhost" endpoints on the host machine.

Open a console and go into the directory extra/bin-for-dev
```
cd extra/bin-for-dev
```
Start an instance of the CLAMP MaraDB database in Docker using the helper script. This script uses docker-compose to bring up an instance of the CLAMP MariaDB.
```
./start-db.sh
```
Start an instance of the CLAMP endpoint emulator in Docker using the helper script. This script uses docker-compose to bring up an instance of the CLAMP endpoint emulator.
```
./start-emulator.sh
```

Check that the database and emulator are running

docker ps

You should see the two images running

CONTAINER ID        IMAGE               COMMAND                  CREATED              STATUS              PORTS                    NAMES
93cffd7e7d2e        python:2-slim       "/bin/sh -c 'pip ins…"   7 seconds ago        Up 7 seconds        0.0.0.0:8085->8085/tcp   clamp_third-party-proxy_1
0b26d68f4048        mariadb:10.5.4      "docker-entrypoint.s…"   About a minute ago   Up About a minute   0.0.0.0:3306->3306/tcp   clamp_db_1

In the file src/test/resources/application.properties:
1. Change all occurrences of the string "${clamp.it.tests.http}" to "8080"
2. Change all occurrences of the string "${docker.http-cache.port.host}" to "8085"
3. Change all occurrences of the string "${docker.mariadb.port.host}" to "3306"
In the file src/test/resources/https/https-test.properties:
1. Change all occurrences of the string "${clamp.it.tests.https}" to "8090" (Any free port value)
2. Change all occurrences of the string "${clamp.it.tests.http-redirected}" to "8080"
3. Change all occurrences of the string "${docker.mariadb.port.host}" to "3306"
In the file src/test/resources/robotframework/robotframework-test.properties:
1. Change all occurrences of the string "${clamp.it.tests.robotframework.http}" to "8080" (Any free port value)
2. Change all occurrences of the string "${docker.http-cache.port.host}" to "8085"
3. Change all occurrences of the string "${docker.mariadb.port.host}" to "3306"

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Checking out and building CLAMP

Getting CLAMP set up locally in your IDE

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Building and running CLAMP

Checking out and building CLAMP

Getting CLAMP set up locally in your IDE

Running unit tests locally