/**
* You can make any number of invalidation requests, but you can have only three invalidation
* requests in progress at one time. Each request can contain up to 1,000 objects to invalidate.
* If you exceed these limits, you get an error message.
*
* <p>It usually takes 10 to 15 minutes to complete your invalidation request, depending on the
* size of your request.
*
* @param origin Origin server
* @param method Distribution method
* @param files Files to purge
* @param recursive Recursivly for folders
*/
@Override
public void invalidate(
String origin, Distribution.Method method, List<Path> files, boolean recursive) {
try {
this.check();
this.message(
MessageFormat.format(
Locale.localizedString("Writing CDN configuration of {0}", "Status"), origin));
final long reference = System.currentTimeMillis();
Distribution d = distributionStatus.get(method).get(origin);
if (null == d) {
log.error(String.format("No cached distribution for origin %s", origin));
return;
}
List<String> keys = this.getInvalidationKeys(files, recursive);
if (keys.isEmpty()) {
log.warn("No keys selected for invalidation");
return;
}
CloudFrontService cf = this.getClient();
cf.invalidateObjects(
d.getId(),
keys.toArray(new String[keys.size()]), // objects
new Date(reference).toString() // Comment
);
} catch (CloudFrontServiceException e) {
this.error("Cannot write CDN configuration", e);
} catch (IOException e) {
this.error("Cannot write CDN configuration", e);
} finally {
distributionStatus.get(method).clear();
}
}
/**
* @param distribution Configuration
* @return Status message from service
* @throws IOException Service error
*/
private String readInvalidationStatus(Distribution distribution) throws IOException {
try {
final CloudFrontService cf = this.getClient();
boolean complete = false;
int inprogress = 0;
List<InvalidationSummary> summaries = cf.listInvalidations(distribution.getId());
for (InvalidationSummary s : summaries) {
if ("Completed".equals(s.getStatus())) {
// No schema for status enumeration. Fail.
complete = true;
} else {
// InProgress
inprogress++;
}
}
if (inprogress > 0) {
return MessageFormat.format(
Locale.localizedString("{0} invalidations in progress", "S3"), inprogress);
}
if (complete) {
return MessageFormat.format(
Locale.localizedString("{0} invalidations completed", "S3"), summaries.size());
}
return Locale.localizedString("None");
} catch (CloudFrontServiceException e) {
this.error("Cannot read CDN configuration", e);
}
return Locale.localizedString("Unknown");
}
@Override
public void write(
boolean enabled,
String origin,
Distribution.Method method,
String[] cnames,
boolean logging,
String loggingBucket,
String defaultRootObject) {
try {
this.check();
// Configure CDN
LoggingStatus loggingStatus = null;
if (logging) {
if (this.isLoggingSupported(method)) {
final String loggingDestination =
StringUtils.isNotBlank(loggingBucket)
? ServiceUtils.generateS3HostnameForBucket(
loggingBucket, false, Protocol.S3_SSL.getDefaultHostname())
: origin;
loggingStatus =
new LoggingStatus(
loggingDestination,
Preferences.instance().getProperty("cloudfront.logging.prefix"));
}
}
StringBuilder name =
new StringBuilder(Locale.localizedString("Amazon CloudFront", "S3"))
.append(" ")
.append(method.toString());
if (enabled) {
this.message(
MessageFormat.format(
Locale.localizedString("Enable {0} Distribution", "Status"), name));
} else {
this.message(
MessageFormat.format(
Locale.localizedString("Disable {0} Distribution", "Status"), name));
}
Distribution d = distributionStatus.get(method).get(origin);
if (null == d) {
if (log.isDebugEnabled()) {
log.debug(String.format("No existing distribution found for method %s", method));
}
this.createDistribution(enabled, method, origin, cnames, loggingStatus, defaultRootObject);
} else {
boolean modified = false;
if (d.isEnabled() != enabled) {
modified = true;
}
if (!Arrays.equals(d.getCNAMEs(), cnames)) {
modified = true;
}
if (d.isLogging() != logging) {
modified = true;
}
// Compare default root object for possible change
if (!StringUtils.equals(d.getDefaultRootObject(), defaultRootObject)) {
modified = true;
}
// Compare logging target for possible change
if (!StringUtils.equals(d.getLoggingTarget(), loggingBucket)) {
modified = true;
}
if (modified) {
this.updateDistribution(
enabled,
method,
origin,
d.getId(),
d.getEtag(),
d.getReference(),
cnames,
loggingStatus,
defaultRootObject);
} else {
log.info("Skip updating distribution not modified.");
}
}
} catch (CloudFrontServiceException e) {
this.error("Cannot write CDN configuration", e);
} catch (IOException e) {
this.error("Cannot write CDN configuration", e);
} finally {
distributionStatus.get(method).clear();
}
}