This change addresses some issues regarding thread safety around
updates and method calls on the XPackLicenseState object. There exists
a possibility that there could be a concurrent update to the
XPackLicenseState when there is a scheduled check to see if the license
is expired and a cluster state update. In order to address this, the
update method now has a synchronized block where member variables are
updated. Each method that reads these variables is now also
synchronized.
Along with the above change, there was a consistency issue around
security calls to the license state. The majority of security checks
make two calls to the license state, which could result in incorrect
behavior due to the checks being made against different license states.
The majority of this behavior was introduced for 6.3 with the inclusion
of x-pack in the default distribution. In order to resolve the majority
of these cases, the `isSecurityEnabled` method is no longer public and
the logic is also included in individual methods about security such as
`isAuthAllowed`. There were a few cases where this did not remove
multiple calls on the license state, so a new method has been added
which creates a copy of the current license state that will not change.
Callers can use this copy of the license state to make decisions based
on a consistent view of the license state.
For correctness we need to verify whether the history uuid of the leader
index shards never changes while that index is being followed.
* The history UUIDs are recorded as custom index metadata in the follow index.
* The follow api validates whether the current history UUIDs of the leader
index shards are the same as the recorded history UUIDs.
If not the follow api fails.
* While a follow index is following a leader index; shard follow tasks
on each shard changes api call verify whether their current history uuid
is the same as the recorded history uuid.
Relates to #30086
Co-authored-by: Nhat Nguyen <nhat.nguyen@elastic.co>
This change adds a `_source` only snapshot repository that allows to wrap
any existing repository as a _backend_ to snapshot only the `_source` part
including live docs markers. Snapshots taken with the `source` repository
won't include any indices, doc-values or points. The snapshot will be reduced in size and
functionality such that it requires full re-indexing after it's successfully restored.
The restore process will copy the `_source` data locally starts a special shard and engine
to allow `match_all` scrolls and searches. Any other query, or get call will fail with and unsupported operation exception. The restored index is also marked as read-only.
This feature aims mainly for disaster recovery use-cases where snapshot size is
a concern or where time to restore is less of an issue.
**NOTE**: The snapshot produced by this repository is still a valid lucene index. This change doesn't allow for any longer retention policies which is out of scope for this change.
Improve failure handling of retryable errors by retrying remote calls in
a exponential backoff like manner. The delay between a retry would not be
longer than the configured max retry delay. Also retryable errors will be
retried indefinitely.
Relates to #30086
This commit adds settings upgraders for the search.remote.* settings
that can be in the cluster state to automatically upgrade these settings
to cluster.remote.*. Because of the infrastructure that we have here,
these settings can be upgraded when recovering the cluster state, but
also when a user tries to make a dynamic update for these settings.
These logs are incredibly verbose, and it makes chasing normal failures
burdensome. This commit removes the debug logging, which can be
reenabled again if needed.
* SQL: Make Literal a NamedExpression
Literal now is a NamedExpression reducing the need for Aliases for
folded expressions leading to simpler optimization rules.
Fix#33523
This change tightens up the meaning of the "input_fields" field
in the file structure finder output. Previously it was permitted
but not calculated for JSON and XML files. Following this change
the field is called "column_names" and is only permitted for
delimited files.
Additionally the way the column names are set for headerless
delimited files is refactored to encapsulate the way they're
named to one line of the code rather than having the same
logic in two places.
Previously, when an arithmetic function got applied on a
table column in the `SELECT` clause, the name of the result
column contained weird characters used internally when
processing the SQL statement e.g.:
SELECT CHAR(emp_no % 10000) FROM "test_emp"
returned:
CHAR((emp_no{f}#14) % 10000))
as the column name instead of:
CHAR((emp_no) % 10000))
Also, fix an issue that causes a ClassCastException to be thrown
when using functions where both arguments are literals.
Closes#31869Closes#33461
* LeafCollector.setScorer() now takes a Scorable
* Scorers may not have null Weights
* IndexWriter.getFlushingBytes() reports how much memory is being used by IW threads writing to disk
* [CCR] Delay auto follow license check
so that we're sure that there are auto follow patterns configured
Otherwise we log a warning in case someone is running with basic or gold
license and has not used the ccr feature.
This is a new index privilege that the user needs to have in the follow cluster.
This privilege is required in addition to the `manage_ccr` cluster privilege in
order to execute the create and follow api.
Closes#33555
* Correctly handle NONE keyword for system keystore
As defined in the PKCS#11 reference guide
https://docs.oracle.com/javase/8/docs/technotes/guides/security/p11guide.html
PKCS#11 tokens can be used as the JSSE keystore and truststore and
the way to indicate this is to set `javax.net.ssl.keyStore` and
`javax.net.ssl.trustStore` to `NONE` (case sensitive).
This commits ensures that we honor this convention and do not
attempt to load the keystore or truststore if the system property is
set to NONE.
* Handle password protected system truststore
When a PKCS#11 token is used as the system truststore, we need to
pass a password when loading it, even if only for reading
certificate entries. This commit ensures that if
`javax.net.ssl.trustStoreType` is set to `PKCS#11` (as it would
when a PKCS#11 token is in use) the password specified in
`javax.net.ssl.trustStorePassword` is passed when attempting to
load the truststore.
Relates #33459
In some cases we want to deprecate a setting, and then automatically
upgrade uses of that setting to a replacement setting. This commit adds
infrastructure for this so that we can upgrade settings when recovering
the cluster state, as well as when such settings are dynamically applied
on cluster update settings requests. This commit only focuses on cluster
settings, index settings can build on this infrastructure in a
follow-up.
When requesting job stats for `_all`, all ES tasks are accepted
resulting to loads of cluster traffic and a memory overhead.
This commit correctly filters out non ML job tasks.
Closes#33515
We may use different global checkpoints to validate/normalize the range
of a change request if the global checkpoint is advanced between these
calls. If this is the case, then we generate an invalid request range.
This commit reverses the logic for CCR license checks in a few
actions. This is done so that the successful case, which tends to be a
larger block of code, does not require indentation.
We have some listeners in the CCR license tests that invoke Assert#fail
if the onSuccess method for the listener is unexpectedly invoked. This
can leave the main test thread hanging until the test suite times out
rather than failing quickly. This commit adds some latch countdowns so
that we fail quickly if these cases are hit.
In the multi-cluster-with-non-compliant-license tests, we try to write
out a java.policy to a temporary directory. However, if this temporary
directory does not already exist then writing the java.policy file will
fail. This commit ensures that the temporary directory exists before we
attempt to write the java.policy file.
This commit adds license checks for the auto-follow implementation. We
check the license on put auto-follow patterns, and then for every
coordination round we check that the local and remote clusters are
licensed for CCR. In the case of non-compliance, we skip coordination
yet continue to schedule follow-ups.
This commit ensures that we bootstrap a new history_uuid when force
allocating a stale primary. A stale primary should never be the source
of an operation-based recovery to another shard which exists before the
forced-allocation.
Closes#26712
Today when checking settings dependencies, we do not check if fallback
settings are present. This means, for example, that if
cluster.remote.*.seeds falls back to search.remote.*.seeds, and
cluster.remote.*.skip_unavailable and search.remote.*.skip_unavailable
depend on cluster.remote.*.seeds, and we have set search.remote.*.seeds
and search.remote.*.skip_unavailable, then validation will fail because
it is expected that cluster.ermote.*.seeds is set here. This commit
addresses this by also checking fallback settings when validating
dependencies. To do this, we adjust the settings exist method to also
check for fallback settings, a case that it was not handling previously.
Change the logging infrastructure to handle when the node name isn't
available in `elasticsearch.yml`. In that case the node name is not
available until long after logging is configured. The biggest change is
that the node name logging no longer fixed at pattern build time.
Instead it is read from a `SetOnce` on every print. If it is unset it is
printed as `unknown` so we have something that fits in the pattern.
On normal startup we don't log anything until the node name is available
so we never see the `unknown`s.
This endpoint accepts an arbitrary file in the request body and
attempts to determine the structure. If successful it also
proposes mappings that could be used when indexing the file's
contents, and calculates simple statistics for each of the fields
that are useful in the data preparation step prior to configuring
machine learning jobs.
Watcher validates `action.auto_create_index` upon startup. If a user
specifies a pattern that does not contain watcher indices, it raises an
error message to include a list of three indices. However, the indices
are separated by a comma and a space which is not considered in parsing.
With this commit we change the error message string so it does not
contain the additional space thus making it more straightforward to copy
it to the configuration file.
Closes#33369
Relates #33497
Instead of passing DirectoryService which causes yet another dependency
on Store we can just pass in a Directory since we will just call
`DirectoryService#newDirectory()` on it anyway.
This change collapses all metrics aggregations classes into a single package `org.elasticsearch.aggregations.metrics`.
It also restricts the visibility of some classes (aggregators and factories) that should not be used outside of the package.
Relates #22868
Some browsers (eg. Firefox) behave differently when presented with
multiple auth schemes in 'WWW-Authenticate' header. The expected
behavior is that browser select the most secure auth-scheme before
trying others, but Firefox selects the first presented auth scheme and
tries the next ones sequentially. As the browser interpretation is
something that we do not control, we can at least present the auth
schemes in most to least secure order as the server's preference.
This commit modifies the code to collect and sort the auth schemes
presented by most to least secure. The priority of the auth schemes is
fixed, the lower number denoting more secure auth-scheme.
The current order of schemes based on the ES supported auth-scheme is
[Negotiate, Bearer,Basic] and when we add future support for
other schemes we will need to update the code. If need be we will make
this configuration customizable in future.
Unit test to verify the WWW-Authenticate header values are sorted by
server preference as more secure to least secure auth schemes.
Tested with Firefox, Chrome, Internet Explorer 11.
Closes#32699
This commit allows us to use different TranslogRecoveryRunner when
recovering an engine from its local translog. This change is a
prerequisite for the commit-based rollback PR.
Relates #32867
Split function section into multiple chapters
Add String functions
Add (small) section on Conversion/Cast functions
Add missing aggregation functions
Enable documentation testing (was disabled by accident). While at it,
fix failing tests
Improve spec tests to allow multi-line queries (useful for docs)
Add ability to ignore a spec test (name should end with -Ignore)
The main benefit of the upgrade for users is the search optimization for top scored documents when the total hit count is not needed. However this optimization is not activated in this change, there is another issue opened to discuss how it should be integrated smoothly.
Some comments about the change:
* Tests that can produce negative scores have been adapted but we need to forbid them completely: #33309Closes#32899
Many files supplied to the upcoming ML data preparation
functionality will not be "log" files. For example,
CSV files are generally not "log" files. Therefore it
makes sense to rename library that determines the
structure of these files.
Although "file structure" could be considered too broad,
as the library currently only works with a few text
formats, in the future it may be extended to work with
more formats.
Auto Following Patterns is a cross cluster replication feature that
keeps track whether in the leader cluster indices are being created with
names that match with a specific pattern and if so automatically let
the follower cluster follow these newly created indices.
This change adds an `AutoFollowCoordinator` component that is only active
on the elected master node. Periodically this component checks the
the cluster state of remote clusters if there new leader indices that
match with configured auto follow patterns that have been defined in
`AutoFollowMetadata` custom metadata.
This change also adds two new APIs to manage auto follow patterns. A put
auto follow pattern api:
```
PUT /_ccr/_autofollow/{{remote_cluster}}
{
"leader_index_pattern": ["logs-*", ...],
"follow_index_pattern": "{{leader_index}}-copy",
"max_concurrent_read_batches": 2
... // other optional parameters
}
```
and delete auto follow pattern api:
```
DELETE /_ccr/_autofollow/{{remote_cluster_alias}}
```
The auto follow patterns are directly tied to the remote cluster aliases
configured in the follow cluster.
Relates to #33007
Co-authored-by: Jason Tedor jason@tedor.me
With features like CCR building on the CCS infrastructure, the settings
prefix search.remote makes less sense as the namespace for these remote
cluster settings than does a more general namespace like
cluster.remote. This commit replaces these settings with cluster.remote
with a fallback to the deprecated settings search.remote.
This commit is related to #32517. It allows an "server_name"
attribute on a DiscoveryNode to be propagated to the server using
the TLS SNI extentsion. This functionality is only implemented for
the netty security transport.
Drops and unused logging constructor, simplifies a rarely used one, and
removes `Settings` from a third. There is now only a single logging ctor
that takes `Settings` and we'll remove that one in a follow up change.
This commit adds a security client to the high level rest client, which
includes an implementation for the put user api. As part of these
changes, a new request and response class have been added that are
specific to the high level rest client. One change here is that the response
was previously wrapped inside a user object. The plan is to remove this
wrapping and this PR adds an unwrapped response outside of the user
object so we can remove the user object later on.
See #29827
Solves all of the xpack line length suppressions and then merges the
remainder of the xpack checkstyle_suppressions.xml file into the core
checkstyle_suppressions.xml file. At this point that just means the
antlr generated files for sql.
It also adds an exclusion to the line length tests for javadocs that
are just a URL. We have one such javadoc and breaking up the line would
make the link difficult to use.
The log structure endpoint will return these in addition to
pure structure information so that it can be used to drive
pre-import data visualizer functionality.
The statistics for every field are count, cardinality
(distinct count) and top hits (most common values). Extra
statistics are calculated if the field is numeric: min, max,
mean and median.
With the introduction of the default distribution, it means that by
default the query cache is wrapped in the security implementation of the
query cache. This cache does not allow caching if the request does not
carry indices permissions. Yet, this will not happen if authorization is
not allowed, which it is not by default. This means that with the
introduction of the default distribution, query caching was disabled by
default! This commit addresses this by checking if authorization is
allowed and if not, delegating to the default indices query
cache. Otherwise, we proceed as before with security. Additionally, we
clear the cache on license state changes.
Extend SHOW TABLES, DESCRIBE and SHOW COLUMNS to support table
identifiers not just SQL LIKE pattern.
This allows both Elasticsearch-style multi-index patterns and SQL LIKE.
To disambiguate between the two (as the " vs ' can be easy to miss),
the grammar now requires LIKE keyword as a prefix for all LIKE-like
patterns.
Also added some docs comparing the two types of patterns.
Fix#33294
This is not changing the behaviour as when the sort field was set
to `influencer_score` the secondary sort would be used and that
was using the `record_score` at the highest priority.
1. The TOMCAT_DATESTAMP format needs to be checked before
TIMESTAMP_ISO8601, otherwise TIMESTAMP_ISO8601 will
match the start of the Tomcat datestamp.
2. Exclude more characters before and after numbers. For
example, in 1.2.3 we don't want to match 1.2 as a float.
The comparator used TimeValue parsing, which meant it couldn't handle
calendar time. This fixes the comparator to handle either (and potentially
mixed). The mixing shouldn't be an issue since the validation code
upstream will prevent it, but was simplest to allow the comparator
to handle both.
In Lucene 8 the statistics for a field (doc_count, sum_doc_count, ...) are
checked and invalid values (v < 0) are rejected. Though for the _field_names
field we hide the statistics of the field if security is enabled since
some terms (field names) may be filtered. However this statistics are never
used, this field is not used for ranking and cannot be used to generate
term vectors. For these reasons this commit restores the original statistics
for the field in order to be compliant with Lucene 8.
This test fails several times due to timeout when asserting the number
of docs on the following and leading indices. This change reduces
the number of docs to index and increases the timeout.
* master:
Mute test watcher usage stats output
[Rollup] Fix FullClusterRestart test
Adjust soft-deletes version after backport into 6.5
completely drop `index.shard.check_on_startup: fix` for 7.0 (#33194)
Fix AwaitsFix issue number
Mute SmokeTestWatcherWithSecurityIT testsi
drop `index.shard.check_on_startup: fix` (#32279)
tracked at
[DOCS] Moves ml folder from x-pack/docs to docs (#33248)
[DOCS] Move rollup APIs to docs (#31450)
[DOCS] Rename X-Pack Commands section (#33005)
TEST: Disable soft-deletes in ParentChildTestCase
Fixes SecurityIntegTestCase so it always adds at least one alias (#33296)
Fix pom for build-tools (#33300)
Lazy evaluate java9home (#33301)
SQL: test coverage for JdbcResultSet (#32813)
Work around to be able to generate eclipse projects (#33295)
Highlight that index_phrases only works if no slop is used (#33303)
Different handling for security specific errors in the CLI. Fix for https://github.com/elastic/elasticsearch/issues/33230 (#33255)
[ML] Refactor delimited file structure detection (#33233)
SQL: Support multi-index format as table identifier (#33278)
MINOR: Remove Dead Code from PathTrie (#33280)
Enable forbiddenapis server java9 (#33245)
We need to wait for the job to fully initialize and start before
we can attempt to stop it. If we don't, it's possible for the stop
API to be called before the persistent task is fully loaded and it'll
throw an exception.
Closes#32773
In the previous commit where SmokeTestWatcherWithSecurityIT tests were
muted, I added the incorrect issue numbers. This commit fixes this. The
issue for the tests is #33320.
* Fixes SecurityIntegTestCase so it always adds at least one alias
`SecurityIntegTestCase.createIndicesWithRandomAliases` could randomly
fail because its not gauranteed that the randomness of which aliases to
add to the `IndicesAliasesRequestBuilder` would always select at least
one alias to add. This change fixes the problem by keeping track of
whether we have added an alias to teh request and forcing the last
alias to be added if no other aliases have been added so far.
Closes#30098
Closes #33123e
* Addresses review comments
These response classes did not add any value and in that case just AcknowledgedResponse should be used.
I also changed the formatting of methods to take one line per parameter in
FollowIndexAction.java and UnfollowIndexAction.java files to make
reviewing diffs in the future easier.
* Tests for JdbcResultSet
* Added VARCHAR conversion for different types
* Made error messages consistent: they now contain both the type that fails to be converted and the value itself
1. Use the term "delimited" rather than "separated values"
2. Use a single factory class with arguments to specify the
delimiter and identification constraints
This change makes it easier to add support for other
delimiter characters.
* master:
Integrates soft-deletes into Elasticsearch (#33222)
Revert "Integrates soft-deletes into Elasticsearch (#33222)"
Add support for "authorization_realms" (#33262)
Authorization Realms allow an authenticating realm to delegate the task
of constructing a User object (with name, roles, etc) to one or more
other realms.
E.g. A client could authenticate using PKI, but then delegate to an LDAP
realm. The LDAP realm performs a "lookup" by principal, and then does
regular role-mapping from the discovered user.
This commit includes:
- authorization_realm support in the pki, ldap, saml & kerberos realms
- docs for authorization_realms
- checks that there are no "authorization chains"
(whereby "realm-a" delegates to "realm-b", but "realm-b" delegates to "realm-c")
Authorization realms is a platinum feature.
Martijn van Groningen
Jay Modi
Vladimir Dolzhenko
Simon Willnauer
Tanguy Leroux
Jason Tedor
Costin Leau
Andrei Stefan
David Roberts
Marios Trivyzas
Alan Woodward
Chris Roberson
Ioannis Kakavas
Dimitris Athanasiou
Nhat Nguyen
Nik Everett
Daniel Mitterdorfer
Colin Goodheart-Smithe
Jim Ferenczi
Yogesh Gaikwad
lcawl
Costin Leau
Tim Brooks
Adrien Grand
Armin Braun
Sohaib Iftikhar
Alpar Torok
Benjamin Trent
David Kyle
Zachary Tong
Zachary Tong
Tal Levy
Tim Vernum