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Add comparable methods to optionally 'find' as well as 'require' a CloudCache Service Instance in PCF.

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Resolves gh-33.
This commit is contained in:
John Blum
2019-06-27 14:07:07 -07:00
parent cda689ca51
commit 6e81c007e6
2 changed files with 206 additions and 84 deletions
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82
spring-geode/src/main/java/org/springframework/geode/core/env/VcapPropertySource.java vendored
View File

@@ -70,9 +70,9 @@ public class VcapPropertySource extends PropertySource<EnumerablePropertySource<
private static final String VCAP_APPLICATION_URIS_PROPERTY = VCAP_APPLICATION_PROPERTY + "uris";
private static final String VCAP_PROPERTY_SOURCE_NAME = "vcap";
private static final String VCAP_SERVICES_PROPERTY = "vcap.services.";
private static final String VCAP_SERVICES_SERVICE_NAME_GFSH_URL_PROPERTY = "vcap.services.%s.credentials.urls.gfsh";
private static final String VCAP_SERVICES_SERVICE_NAME_LOCATORS_PROPERTY = "vcap.services.%s.credentials.locators";
private static final String VCAP_SERVICES_SERVICE_NAME_USERS_PROPERTY = "vcap.services.%s.credentials.users[%d]";
private static final String VCAP_SERVICES_SERVICE_NAME_GFSH_URL_PROPERTY = VCAP_SERVICES_PROPERTY + "%s.credentials.urls.gfsh";
private static final String VCAP_SERVICES_SERVICE_NAME_LOCATORS_PROPERTY = VCAP_SERVICES_PROPERTY + "%s.credentials.locators";
private static final String VCAP_SERVICES_SERVICE_NAME_USERS_PROPERTY = VCAP_SERVICES_PROPERTY + "%s.credentials.users[%d]";
private static final Predicate<Object> CLOUD_CACHE_SERVICE_PREDICATE =
propertyValue -> String.valueOf(propertyValue).toLowerCase().contains(CLOUD_CACHE_TAG_NAME);
@@ -124,10 +124,12 @@ public class VcapPropertySource extends PropertySource<EnumerablePropertySource<
.map(EnumerablePropertySource.class::cast)
.map(VcapPropertySource::new)
.orElseThrow(() -> newIllegalArgumentException(
"A valid EnumerablePropertySource named [%s] containing VCAP properties is required",
"An EnumerablePropertySource named [%s] containing VCAP properties is required",
VCAP_PROPERTY_SOURCE_NAME));
}
private Predicate<Object> vcapServicePredicate;
/**
* Constructs a new {@link PropertySource} from the existing, required {@link EnumerablePropertySource} instance
* with the default name, {@literal boot.data.gemfire.vcap}, containing the {@literal VCAP} environment variable
@@ -172,39 +174,58 @@ public class VcapPropertySource extends PropertySource<EnumerablePropertySource<
return findAllPropertiesByNameMatching(VCAP_SERVICES_PROPERTIES_PREDICATE);
}
public CloudCacheService findFirstCloudCacheService() {
public Optional<CloudCacheService> findFirstCloudCacheService() {
String serviceName = findFirstCloudCacheServiceName();
return findFirstCloudCacheServiceName()
.map(serviceName -> {
CloudCacheService service = CloudCacheService.with(serviceName);
CloudCacheService service = CloudCacheService.with(serviceName);
Optional.ofNullable(getProperty(String.format(VCAP_SERVICES_SERVICE_NAME_LOCATORS_PROPERTY, serviceName)))
.map(String::valueOf)
.ifPresent(service::withLocators);
Object locators = getProperty(String.format(VCAP_SERVICES_SERVICE_NAME_LOCATORS_PROPERTY, service));
Optional.ofNullable(getProperty(String.format(VCAP_SERVICES_SERVICE_NAME_GFSH_URL_PROPERTY, service)))
.map(String::valueOf)
.map(urlString -> ObjectUtils.doOperationSafely(() -> new URL(urlString)))
.ifPresent(service::withGfshUrl);
Optional.ofNullable(locators)
.map(String::valueOf)
.filter(StringUtils::hasText)
.ifPresent(service::withLocators);
return service;
Object gfshUrl = getProperty(String.format(VCAP_SERVICES_SERVICE_NAME_GFSH_URL_PROPERTY, service));
Optional.ofNullable(gfshUrl)
.map(String::valueOf)
.filter(StringUtils::hasText)
.map(urlString -> ObjectUtils.doOperationSafely(() -> new URL(urlString)))
.ifPresent(service::withGfshUrl);
return service;
});
}
public String findFirstCloudCacheServiceName() {
public CloudCacheService requireFirstCloudCacheService() {
return findFirstCloudCacheService().orElseThrow(() ->
newIllegalStateException("Unable to resolve a CloudCache Service Instance"));
}
public Optional<String> findFirstCloudCacheServiceName() {
Iterable<String> vcapServicesProperties = findAllVcapServicesProperties();
return findAllPropertiesByValueMatching(vcapServicesProperties, CLOUD_CACHE_AND_GEMFIRE_SERVICE_PREDICATE)
.stream()
Predicate<Object> vcapServicePredicate = resolveVcapServicePredicate();
return findAllPropertiesByValueMatching(vcapServicesProperties, vcapServicePredicate).stream()
.filter(propertyName -> propertyName.endsWith(".tags"))
.map(propertyName -> propertyName.substring(VCAP_SERVICES_PROPERTY.length()))
.map(propertyName -> propertyName.substring(0, propertyName.indexOf(".")))
.filter(StringUtils::hasText)
.sorted(String.CASE_INSENSITIVE_ORDER)
.findFirst()
.orElseThrow(() ->
newIllegalStateException("No service with tags [%1$s, %2$s] was found",
CLOUD_CACHE_TAG_NAME, GEMFIRE_TAG_NAME));
.min(String.CASE_INSENSITIVE_ORDER);
}
public String requireFirstCloudCacheServiceName() {
String tags = String.format("%1$s, %2$s", CLOUD_CACHE_TAG_NAME, GEMFIRE_TAG_NAME);
return findFirstCloudCacheServiceName()
.orElseThrow(() -> newIllegalStateException("No service with tags [%s] was found", tags));
}
public Optional<User> findFirstUserByRoleClusterOperator(Service service) {
@@ -238,9 +259,15 @@ public class VcapPropertySource extends PropertySource<EnumerablePropertySource<
return Optional.empty();
}
protected Predicate<Object> resolveVcapServicePredicate() {
return this.vcapServicePredicate != null
? this.vcapServicePredicate
: CLOUD_CACHE_AND_GEMFIRE_SERVICE_PREDICATE;
}
@Nullable
@Override
@SuppressWarnings("all")
public Object getProperty(String name) {
return getSource().getProperty(name);
}
@@ -250,4 +277,11 @@ public class VcapPropertySource extends PropertySource<EnumerablePropertySource<
public Iterator<String> iterator() {
return Collections.unmodifiableList(Arrays.asList(getSource().getPropertyNames())).iterator();
}
public VcapPropertySource withVcapServicePredicate(Predicate<Object> vcapServicePredicate) {
this.vcapServicePredicate = vcapServicePredicate;
return this;
}
}

208
spring-geode/src/test/java/org/springframework/geode/core/env/VcapPropertySourceUnitTests.java vendored
View File

@@ -13,7 +13,6 @@
* or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package org.springframework.geode.core.env;
import static org.assertj.core.api.Assertions.assertThat;
@@ -30,10 +29,12 @@ import static org.mockito.Mockito.when;
import java.net.URL;
import java.util.Arrays;
import java.util.Optional;
import java.util.Properties;
import java.util.Set;
import org.junit.Test;
import org.springframework.core.env.ConfigurableEnvironment;
import org.springframework.core.env.EnumerablePropertySource;
import org.springframework.core.env.Environment;
@@ -70,8 +71,8 @@ public class VcapPropertySourceUnitTests {
when(mockEnvironment.getPropertySources()).thenReturn(propertySources);
doReturn(mockVcapPropertySource).when(propertySources).get(eq("vcap"));
when(mockVcapPropertySource.getName()).thenReturn("vcap");
when(mockVcapPropertySource.containsProperty(anyString())).thenReturn(true);
when(mockVcapPropertySource.getName()).thenReturn("vcap");
VcapPropertySource propertySource = VcapPropertySource.from(mockEnvironment);
@@ -131,6 +132,7 @@ public class VcapPropertySourceUnitTests {
throw expected;
}
finally {
verify(mockEnvironment, times(1)).getPropertySources();
verify(propertySources, times(1)).get(eq("vcap"));
}
@@ -154,8 +156,8 @@ public class VcapPropertySourceUnitTests {
}
catch (IllegalArgumentException expected) {
assertThat(expected).hasMessage(
"A valid EnumerablePropertySource named [vcap] containing VCAP properties is required",
assertThat(expected)
.hasMessage("An EnumerablePropertySource named [vcap] containing VCAP properties is required",
mockEnvironment);
assertThat(expected).hasNoCause();
@@ -163,6 +165,7 @@ public class VcapPropertySourceUnitTests {
throw expected;
}
finally {
verify(mockEnvironment, times(1)).getPropertySources();
verify(propertySources, times(1)).get(eq("vcap"));
verify(mockPropertySource, times(1)).getName();
@@ -183,9 +186,9 @@ public class VcapPropertySourceUnitTests {
when(mockEnvironment.getPropertySources()).thenReturn(propertySources);
doReturn(mockPropertySource).when(propertySources).get(eq("vcap"));
when(mockPropertySource.getName()).thenReturn("vcap");
when(mockPropertySource.containsProperty(eq("vcap.application.name"))).thenReturn(true);
when(mockPropertySource.containsProperty(eq("vcap.application.uris"))).thenReturn(false);
when(mockPropertySource.getName()).thenReturn("vcap");
try {
VcapPropertySource.from(mockEnvironment);
@@ -193,7 +196,7 @@ public class VcapPropertySourceUnitTests {
catch (IllegalArgumentException expected) {
assertThat(expected).hasMessage(
"A valid EnumerablePropertySource named [vcap] containing VCAP properties is required",
"An EnumerablePropertySource named [vcap] containing VCAP properties is required",
mockEnvironment);
assertThat(expected).hasNoCause();
@@ -201,6 +204,7 @@ public class VcapPropertySourceUnitTests {
throw expected;
}
finally {
verify(mockEnvironment, times(1)).getPropertySources();
verify(propertySources, times(1)).get(eq("vcap"));
verify(mockPropertySource, times(1)).getName();
@@ -216,16 +220,15 @@ public class VcapPropertySourceUnitTests {
Properties vcap = new Properties();
vcap.setProperty("vcap.application.name", "testApp");
vcap.setProperty("vcap.application.uris", "boot-app.apps.cloud.net");
vcap.setProperty("vcap.application.name", "TestApp");
vcap.setProperty("vcap.application.uris", "test-app.boot-app.apps.cloud.net");
VcapPropertySource propertySource = VcapPropertySource.from(vcap);
assertThat(propertySource).isNotNull();
assertThat(propertySource.getSource()).isInstanceOf(PropertiesPropertySource.class);
assertThat(propertySource.getProperty("vcap.application.name")).isEqualTo("testApp");
assertThat(propertySource.getProperty("vcap.application.uris")).isEqualTo("boot-app.apps.cloud.net");
assertThat(propertySource.getProperty("vcap.application.name")).isEqualTo("TestApp");
assertThat(propertySource.getProperty("vcap.application.uris")).isEqualTo("test-app.boot-app.apps.cloud.net");
}
@Test(expected = IllegalArgumentException.class)
@@ -276,11 +279,10 @@ public class VcapPropertySourceUnitTests {
"vcap.services.jblum-pcc.tags"
};
when(mockPropertySource.getName()).thenReturn("vcap");
when(mockPropertySource.containsProperty(anyString())).thenAnswer(invocation ->
Arrays.asList(propertyNames).contains(invocation.<String>getArgument(0)));
when(mockPropertySource.getName()).thenReturn("vcap");
when(mockPropertySource.getPropertyNames()).thenReturn(propertyNames);
VcapPropertySource propertySource = VcapPropertySource.from(mockPropertySource);
@@ -322,11 +324,10 @@ public class VcapPropertySourceUnitTests {
"vcap.services.jblum-pcc.tags"
};
when(mockPropertySource.getName()).thenReturn("vcap");
when(mockPropertySource.containsProperty(anyString())).thenAnswer(invocation ->
Arrays.asList(propertyNames).contains(invocation.<String>getArgument(0)));
when(mockPropertySource.getName()).thenReturn("vcap");
when(mockPropertySource.getPropertyNames()).thenReturn(propertyNames);
VcapPropertySource propertySource = VcapPropertySource.from(mockPropertySource);
@@ -334,11 +335,11 @@ public class VcapPropertySourceUnitTests {
assertThat(propertySource).isNotNull();
assertThat(propertySource.getSource()).isEqualTo(mockPropertySource);
Set<String> vcapApplicationProperties = propertySource.findAllVcapServicesProperties();
Set<String> vcapServicesProperties = propertySource.findAllVcapServicesProperties();
assertThat(vcapApplicationProperties).isNotNull();
assertThat(vcapApplicationProperties).hasSize(5);
assertThat(vcapApplicationProperties)
assertThat(vcapServicesProperties).isNotNull();
assertThat(vcapServicesProperties).hasSize(5);
assertThat(vcapServicesProperties)
.containsExactlyInAnyOrder("vcap.services.jblum-pcc.credentials.locators",
"vcap.services.jblum-pcc.credentials.users", "vcap.services.jblum-pcc.name",
"vcap.services.jblum-pcc.plan", "vcap.services.jblum-pcc.tags");
@@ -352,7 +353,7 @@ public class VcapPropertySourceUnitTests {
}
@Test
public void findFirstCloudCacheServiceNameReturnsServiceName() {
public void findFirstCloudCacheServiceNameReturnsOptionalOfServiceName() {
Properties vcap = new Properties();
@@ -362,65 +363,83 @@ public class VcapPropertySourceUnitTests {
vcap.setProperty("vcap.services.test-pcc.tags", "pivotal,database,cloudcache,gemfire");
vcap.setProperty("vcap.application.space_name", "outerspace");
vcap.setProperty("vcap.services.jblum-pcc.name", "jblum-pcc");
vcap.setProperty("vcap.services.jblum-pcc.plan", "small");
vcap.setProperty("vcap.services.jblum-pcc.plan", "medium");
vcap.setProperty("vcap.services.jblum-pcc.tags", "cloudcache,database,gemfire,pivotal");
vcap.setProperty("vcap.application.uris", "boot-example.boot-apps.apps.cloud.net");
vcap.setProperty("vcap.services.mock-pcc.name", "mock-pcc");
vcap.setProperty("vcap.services.mock-pcc.plan", "large");
vcap.setProperty("vcap.services.mock-pcc.tags", "pivotal,cloudcache,database");
VcapPropertySource propertySource = VcapPropertySource.from(vcap);
assertThat(propertySource).isNotNull();
assertThat(propertySource.findFirstCloudCacheServiceName().orElse(null)).isEqualTo("jblum-pcc");
}
@Test
public void findFirstCloudCacheServiceNameReturnsEmptyOptional() {
Properties vcap = new Properties();
vcap.setProperty("vcap.application.name", "boot-example");
vcap.setProperty("vcap.application.uris", "boot-example.boot-apps.apps.cloud.net");
vcap.setProperty("vcap.services.a-pcc.name", "a-pcc");
vcap.setProperty("vcap.services.a-pcc.plan", "huge");
vcap.setProperty("vcap.services.a-pcc.plan", "large");
vcap.setProperty("vcap.services.a-pcc.tags", "pivotal,cloudcache,database");
vcap.setProperty("vcap.services.b-pcc.name", "b-pcc");
vcap.setProperty("vcap.services.b-pcc.plan", "small");
vcap.setProperty("vcap.services.b-pcc.tags", "pivotal,database,gemfire");
VcapPropertySource propertySource = VcapPropertySource.from(vcap);
assertThat(propertySource).isNotNull();
assertThat(propertySource.findFirstCloudCacheServiceName()).isEqualTo("jblum-pcc");
assertThat(propertySource.findFirstCloudCacheServiceName().isPresent()).isFalse();
}
@Test(expected = IllegalStateException.class)
public void findFirstCloudCacheServiceNameWithInvalidTagsThrowsIllegalStateException() {
@Test
public void requireFirstCloudCacheServiceNameReturnsServiceName() {
Properties vcap = new Properties();
vcap.setProperty("vcap.application.name", "boot-example");
vcap.setProperty("vcap.services.test-pcc.name", "test-pcc");
vcap.setProperty("vcap.services.test-pcc.plan", "small");
vcap.setProperty("vcap.services.test-pcc.tags", "pivotal,gemfire,database");
vcap.setProperty("vcap.application.uris", "boot-example.boot-apps.apps.cloud.net");
vcap.setProperty("vcap.services.a-pcc.name", "a-pcc");
vcap.setProperty("vcap.services.a-pcc.plan", "large");
vcap.setProperty("vcap.services.a-pcc.tags", "pivotal,cloudcache,database");
vcap.setProperty("vcap.services.b-pcc.name", "b-pcc");
vcap.setProperty("vcap.services.b-pcc.plan", "small");
vcap.setProperty("vcap.services.b-pcc.tags", "pivotal,database,gemfire");
vcap.setProperty("vcap.services.c-pcc.name", "c-pcc");
vcap.setProperty("vcap.services.c-pcc.plan", "medium");
vcap.setProperty("vcap.services.c-pcc.tags", "pivotal,cloudcache,database,gemfire");
VcapPropertySource propertySource = VcapPropertySource.from(vcap);
assertThat(propertySource).isNotNull();
assertThat(propertySource.findFirstCloudCacheServiceName().orElse(null)).isEqualTo("c-pcc");
}
@Test(expected = IllegalStateException.class)
public void requireFirstCloudCacheServiceNameWithInvalidTagsThrowsIllegalStateException() {
Properties vcap = new Properties();
vcap.setProperty("vcap.application.name", "boot-example");
vcap.setProperty("vcap.services.c-pcc.name", "c-pcc");
vcap.setProperty("vcap.services.c-pcc.plan", "small");
vcap.setProperty("vcap.services.c-pcc.tags", "pivotal,database,gemfire");
vcap.setProperty("vcap.application.space_name", "outerspace");
vcap.setProperty("vcap.services.a-pcc.tags", "pivotal,cloudcache,database");
vcap.setProperty("vcap.application.uris", "boot-example.boot-apps.apps.cloud.net");
vcap.setProperty("vcap.services.b-pcc.name", "b-pcc");
vcap.setProperty("vcap.services.b-pcc.plan", "large");
VcapPropertySource propertySource = VcapPropertySource.from(vcap);
assertThat(propertySource).isNotNull();
try {
propertySource.findFirstCloudCacheServiceName();
}
catch (IllegalStateException expected) {
assertThat(expected).hasMessage("No service with tags [cloudcache, gemfire] was found");
assertThat(expected).hasNoCause();
throw expected;
}
}
@Test(expected = IllegalStateException.class)
public void findFirstCloudCacheServiceNameWithNoTagsThrowsIllegalStateException() {
Properties vcap = new Properties();
vcap.setProperty("vcap.application.name", "boot-example");
vcap.setProperty("vcap.services.test-pcc.name", "test-pcc");
vcap.setProperty("vcap.services.test-pcc.plan", "small");
vcap.setProperty("vcap.application.space_name", "outerspace");
vcap.setProperty("vcap.application.uris", "boot-example.boot-apps.apps.cloud.net");
VcapPropertySource propertySource = VcapPropertySource.from(vcap);
assertThat(propertySource).isNotNull();
try {
propertySource.findFirstCloudCacheServiceName();
propertySource.requireFirstCloudCacheServiceName();
}
catch (IllegalStateException expected) {
@@ -432,7 +451,48 @@ public class VcapPropertySourceUnitTests {
}
@Test
public void findFirstCloudCacheServiceReturnsCloudCacheService() throws Exception {
public void findFirstCloudCacheServiceReturnsOptionalOfCloudCacheService() {
Properties vcap = new Properties();
vcap.setProperty("vcap.application.name", "boot-example");
vcap.setProperty("vcap.services.test-pcc.name", "test-pcc");
vcap.setProperty("vcap.application.space_name", "outerspace");
vcap.setProperty("vcap.services.test-pcc.tags", "pivotal,cloudcache,database,gemfire,junk");
vcap.setProperty("vcap.application.uris", "boot-example.boot-apps.apps.cloud.net");
VcapPropertySource propertySource = VcapPropertySource.from(vcap);
assertThat(propertySource).isNotNull();
Optional<CloudCacheService> cloudCacheService = propertySource.findFirstCloudCacheService();
assertThat(cloudCacheService).isNotNull();
assertThat(cloudCacheService.isPresent()).isTrue();
assertThat(cloudCacheService.map(CloudCacheService::getName).orElse(null)).isEqualTo("test-pcc");
assertThat(cloudCacheService.flatMap(CloudCacheService::getLocators).isPresent()).isFalse();
assertThat(cloudCacheService.flatMap(CloudCacheService::getGfshUrl).isPresent()).isFalse();
}
@Test
public void findFirstCloudCacheServiceReturnsEmptyOptional() {
Properties vcap = new Properties();
vcap.setProperty("vcap.application.name", "boot-example");
vcap.setProperty("vcap.services.test-postresql.name", "TestPostreSQLDatabase");
vcap.setProperty("vcap.application.space_name", "outerspace");
vcap.setProperty("vcap.services.test-postresql.tags", "pivotal, database, postresql");
vcap.setProperty("vcap.application.uris", "boot-example.boot-apps.apps.cloud.net");
VcapPropertySource propertySource = VcapPropertySource.from(vcap);
assertThat(propertySource).isNotNull();
assertThat(propertySource.findFirstCloudCacheService().isPresent()).isFalse();
}
@Test
public void requireFirstCloudCacheServiceReturnsCloudCacheService() throws Exception {
URL gfshUrl = new URL("https://skullbox:7070/v1/gemfire");
@@ -451,9 +511,10 @@ public class VcapPropertySourceUnitTests {
assertThat(propertySource).isNotNull();
CloudCacheService cloudCacheService = propertySource.findFirstCloudCacheService();
CloudCacheService cloudCacheService = propertySource.requireFirstCloudCacheService();
assertThat(cloudCacheService).isNotNull();
assertThat(cloudCacheService.getName()).isEqualTo("test-pcc");
assertThat(cloudCacheService.getGfshUrl().orElse(null)).isEqualTo(gfshUrl);
assertThat(cloudCacheService.getLocatorList()).containsExactly(
CloudCacheService.Locator.newLocator("sandbox", 1234),
@@ -462,6 +523,33 @@ public class VcapPropertySourceUnitTests {
);
}
@Test(expected = IllegalStateException.class)
public void requireFirstCloudCacheServiceWhenNotFoundThrowsIllegalStateException() {
Properties vcap = new Properties();
vcap.setProperty("vcap.application.name", "boot-example");
vcap.setProperty("vcap.services.test-postresql.name", "TestPostreSQLDatabase");
vcap.setProperty("vcap.application.space_name", "outerspace");
vcap.setProperty("vcap.services.test-postresql.tags", "pivotal, database, postresql");
vcap.setProperty("vcap.application.uris", "boot-example.boot-apps.apps.cloud.net");
VcapPropertySource propertySource = VcapPropertySource.from(vcap);
assertThat(propertySource).isNotNull();
try {
propertySource.requireFirstCloudCacheService();
}
catch (IllegalStateException expected) {
assertThat(expected).hasMessage("Unable to resolve a CloudCache Service Instance");
assertThat(expected).hasNoCause();
throw expected;
}
}
@Test
public void findFirstUserByRoleClusterOperatorReturnsUser() {
@@ -505,13 +593,13 @@ public class VcapPropertySourceUnitTests {
assertThat(root).isNotNull();
assertThat(root.getName()).isEqualTo("root");
assertThat(root.getPassword().orElse(null)).isEqualTo("p@55w0rd");
assertThat(root.getRole().orElse(null).isClusterOperator()).isTrue();
assertThat(root.getRole().map(User.Role::isClusterOperator).orElse(false)).isTrue();
User majorTom = propertySource.findFirstUserByRoleClusterOperator(Service.with("jblum-pcc")).orElse(null);
assertThat(majorTom).isNotNull();
assertThat(majorTom.getName()).isEqualTo("majorTom");
assertThat(majorTom.getPassword().orElse(null)).isEqualTo("s3cUr3");
assertThat(majorTom.getRole().orElse(null).isClusterOperator()).isTrue();
assertThat(majorTom.getRole().map(User.Role::isClusterOperator).orElse(false)).isTrue();
}
}