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Set ephemeral builder container creation to a fixed date

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This commit fixes the `Created` date and time of the ephemeral builder
container image at the Windows epoch plus one second
(1980-01-01T00:00:01Z). This date matches the created date of the builder
image and influences the created date of the resulting image. Using
a fixed date for images ensures that the digest is consistent for all
images with the same version.

Fixes gh-20126
This commit is contained in:
Scott Frederick
2020-02-12 13:55:54 -06:00
parent 191dce3f5e
commit e294d26458
6 changed files with 22 additions and 35 deletions
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19
spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/build/EphemeralBuilderTests.java
View File

@@ -22,9 +22,9 @@ import java.io.File;
import java.io.FileOutputStream;
import java.io.OutputStream;
import java.nio.charset.StandardCharsets;
import java.time.Clock;
import java.time.Instant;
import java.time.ZoneOffset;
import java.time.OffsetDateTime;
import java.time.ZoneId;
import java.util.Collections;
import java.util.Map;
@@ -96,11 +96,16 @@ class EphemeralBuilderTests extends AbstractJsonTests {
}
@Test
void getArchiveHasCreateDate() throws Exception {
Clock clock = Clock.fixed(Instant.now(), ZoneOffset.UTC);
EphemeralBuilder builder = new EphemeralBuilder(clock, this.owner, this.image, this.metadata, this.creator,
this.env);
assertThat(builder.getArchive().getCreateDate()).isEqualTo(Instant.now(clock));
void getArchiveHasFixedCreateDate() throws Exception {
EphemeralBuilder builder = new EphemeralBuilder(this.owner, this.image, this.metadata, this.creator, this.env);
Instant createInstant = builder.getArchive().getCreateDate();
OffsetDateTime createDateTime = OffsetDateTime.ofInstant(createInstant, ZoneId.of("UTC"));
assertThat(createDateTime.getYear()).isEqualTo(1980);
assertThat(createDateTime.getMonthValue()).isEqualTo(1);
assertThat(createDateTime.getDayOfMonth()).isEqualTo(1);
assertThat(createDateTime.getHour()).isEqualTo(0);
assertThat(createDateTime.getMinute()).isEqualTo(0);
assertThat(createDateTime.getSecond()).isEqualTo(1);
}
@Test

9
spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/java/org/springframework/boot/buildpack/platform/docker/type/ImageArchiveTests.java
View File

@@ -20,9 +20,6 @@ import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.time.Instant;
import java.time.OffsetDateTime;
import java.time.ZoneOffset;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.tar.TarArchiveInputStream;
@@ -39,17 +36,15 @@ import static org.assertj.core.api.Assertions.assertThat;
* Tests for {@link ImageArchive}.
*
* @author Phillip Webb
* @author Scott Frederick
*/
class ImageArchiveTests extends AbstractJsonTests {
static final Instant CREATE_DATE = OffsetDateTime.of(1906, 12, 9, 11, 30, 0, 0, ZoneOffset.UTC).toInstant();
@Test
void fromImageWritesToValidArchiveTar() throws Exception {
Image image = Image.of(getContent("image.json"));
ImageArchive archive = ImageArchive.from(image, (update) -> {
update.withNewLayer(Layer.of((layout) -> layout.folder("/spring", Owner.ROOT)));
update.withCreateDate(CREATE_DATE);
update.withTag(ImageReference.of("pack.local/builder/6b7874626575656b6162"));
});
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
@@ -78,7 +73,7 @@ class ImageArchiveTests extends AbstractJsonTests {
}
private void assertExpectedConfig(TarArchiveEntry entry, byte[] content) throws Exception {
assertThat(entry.getName()).isEqualTo("/d1872169d781cff5e1aa22d111f636bef0c57e1c358ca3861e3d33a5bdb1b4a5.json");
assertThat(entry.getName()).isEqualTo("/682f8d24b9d9c313d1190a0e955dcb5e65ec9beea40420999839c6f0cbb38382.json");
String actualJson = new String(content, StandardCharsets.UTF_8);
String expectedJson = StreamUtils.copyToString(getContent("image-archive-config.json"), StandardCharsets.UTF_8);
JSONAssert.assertEquals(expectedJson, actualJson, false);

2
spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/resources/org/springframework/boot/buildpack/platform/docker/type/image-archive-config.json
View File

@@ -25,7 +25,7 @@
"io.buildpacks.stack.id": "org.cloudfoundry.stacks.cflinuxfs3"
}
},
"created": "1906-12-09T11:30:00Z",
"created": "1980-01-01T00:00:01Z",
"history": [
{

2
spring-boot-project/spring-boot-tools/spring-boot-buildpack-platform/src/test/resources/org/springframework/boot/buildpack/platform/docker/type/image-archive-manifest.json
View File

@@ -1,6 +1,6 @@
[
{
"Config": "/d1872169d781cff5e1aa22d111f636bef0c57e1c358ca3861e3d33a5bdb1b4a5.json",
"Config": "/682f8d24b9d9c313d1190a0e955dcb5e65ec9beea40420999839c6f0cbb38382.json",
"Layers": [
"",
"",