Commit Graph

1620 Commits

Author SHA1 Message Date
Lee Hinman deefc85d60
[7.x] Stop policy on last PhaseCompleteStep instead of Termina… (#51758)
Currently when an ILM policy finishes its execution, the index moves into the `TerminalPolicyStep`,
denoted by a completed/completed/completed phase/action/step lifecycle execution state.

This commit changes the behavior so that the index lifecycle execution state halts at the last
configured phase's `PhaseCompleteStep`, so for instance, if an index were configured with a policy
containing a `hot` and `cold` phase, the index would stop at the `cold/complete/complete`
`PhaseCompleteStep`. This allows an ILM user to update the policy to add any later phases and have
indices configured to use that policy pick up execution at the newly added "later" phase. For
example, if a `delete` phase were added to the policy specified about, the index would then move
from `cold/complete/complete` into the `delete` phase.

Relates to #48431
2020-01-31 10:36:41 -07:00
Yang Wang 77b00fc0c0
Add warnings for invalid realm order config (#51195) (#51515)
The changes are to help users prepare for migration to next major
release (v8.0.0) regarding to the break change of realm order config.

Warnings are added for when:
* A realm does not have an order config
* Multiple realms have the same order config

The warning messages are added to both deprecation API and loggings.
The main reasons for doing this are: 1) there is currently no automatic relay
between the two; 2) deprecation API is under basic and we need logging
for OSS.
2020-01-31 12:32:37 +11:00
Gordon Brown 10c8179351
Use exclusions list instead of fake system indices (#51586)
This commit switches the strategy for managing dot-prefixed indices that
should be hidden indices from using "fake" system indices to an explicit
exclusions list that must be updated when those indices are converted to
hidden indices.
2020-01-30 16:31:27 -07:00
Lee Hinman b9faa0733d
[7.x] Rename ILM history index enablement setting (#51698) (#51705)
* Rename ILM history index enablement setting

The previous setting was `index.lifecycle.history_index_enabled`, this commit changes it to
`indices.lifecycle.history_index_enabled` to indicate this is not an index-level setting (it's node
level).
2020-01-30 15:27:44 -07:00
Benjamin Trent 1380dd439a
[7.x] [ML][Inference] Fix weighted mode definition (#51648) (#51695)
* [ML][Inference] Fix weighted mode definition (#51648)

Weighted mode inaccurately assumed that the "max value" of the input values would be the maximum class value. This does not make sense. 

Weighted Mode should know how many classes there are. Hence the new parameter `num_classes`. This indicates what the maximum class value to be expected.
2020-01-30 15:33:25 -05:00
Benjamin Trent 2a2a0941af
[ML][Inference] stream inflate to parser + throw when byte limit is reached (#51644) (#51679)
Three fixes for when the `compressed_definition` is utilized on PUT

* Update the inflate byte limit to be the minimum of 10% the max heap, or 1GB (what it was previously)
* Stream data directly to the JSON parser, so if it is invalid, we don't have to inflate the whole stream to find out
* Throw when the maximum bytes are reach indicating that is why the request was rejected
2020-01-30 10:16:14 -05:00
Albert Zaharovits f25b6cc2eb
Add new 'maintenance' index privilege #50643
This commit creates a new index privilege named `maintenance`.
The privilege grants the following actions: `refresh`, `flush` (also synced-`flush`),
and `force-merge`. Previously the actions were only under the `manage` privilege
which in some situations was too permissive.

Co-authored-by: Amir H Movahed <arhd83@gmail.com>
2020-01-30 11:59:11 +02:00
Albert Zaharovits 90285ee907
Deprecate timeout.tcp_read AD/LDAP realm setting (#47305)
The timeout.tcp_read AD/LDAP realm setting, despite the low-level
allusion, controls the time interval the realms wait for a response for
a query (search or bind). If the connection to the server is synchronous
(un-pooled) the response timeout is analogous to the tcp read timeout.
But the tcp read timeout is irrelevant in the common case of a pooled
connection (when a Bind DN is specified).

The timeout.tcp_read qualifier is hereby deprecated in favor of
timeout.response.

In addition, the default value for both timeout.tcp_read and
timeout.response is that of timeout.ldap_search, instead of the 5s (but
the default for timeout.ldap_search is still 5s). The
timeout.ldap_search defines the server-controlled timeout of a search
request. There is no practical use case to have a smaller tcp_read
timeout compared to ldap_search (in this case the request would time-out
on the client but continue to be processed on the server). The proposed
change aims to simplify configuration so that the more common
configuration change, adjusting timeout.ldap_search up, has the expected
result (no timeout during searches) without any additional
modifications.

Closes #46028
2020-01-29 10:48:26 +02:00
Armin Braun aae93a7578
Allow Repository Plugins to Filter Metadata on Create (#51472) (#51542)
* Allow Repository Plugins to Filter Metadata on Create

Add a hook that allows repository plugins to filter the repository metadata
before it gets written to the cluster state.
2020-01-28 18:33:26 +01:00
Gordon Brown 89c2834b24
Deprecate creation of dot-prefixed index names except for hidden and system indices (#49959)
This commit deprecates the creation of dot-prefixed index names (e.g.
.watches) unless they are either 1) a hidden index, or 2) registered by
a plugin that extends SystemIndexPlugin. This is the first step
towards more thorough protections for system indices.

This commit also modifies several plugins which use dot-prefixed indices
to register indices they own as system indices, and adds a plugin to
register .tasks as a system index.
2020-01-28 10:01:16 -07:00
William Brafford 9efa5be60e
Password-protected Keystore Feature Branch PR (#51123) (#51510)
* Reload secure settings with password (#43197)

If a password is not set, we assume an empty string to be
compatible with previous behavior.
Only allow the reload to be broadcast to other nodes if TLS is
enabled for the transport layer.

* Add passphrase support to elasticsearch-keystore (#38498)

This change adds support for keystore passphrases to all subcommands
of the elasticsearch-keystore cli tool and adds a subcommand for
changing the passphrase of an existing keystore.
The work to read the passphrase in Elasticsearch when
loading, which will be addressed in a different PR.

Subcommands of elasticsearch-keystore can handle (open and create)
passphrase protected keystores

When reading a keystore, a user is only prompted for a passphrase
only if the keystore is passphrase protected.

When creating a keystore, a user is allowed (default behavior) to create one with an
empty passphrase

Passphrase can be set to be empty when changing/setting it for an
existing keystore

Relates to: #32691
Supersedes: #37472

* Restore behavior for force parameter (#44847)

Turns out that the behavior of `-f` for the add and add-file sub
commands where it would also forcibly create the keystore if it
didn't exist, was by design - although undocumented.
This change restores that behavior auto-creating a keystore that
is not password protected if the force flag is used. The force
OptionSpec is moved to the BaseKeyStoreCommand as we will presumably
want to maintain the same behavior in any other command that takes
a force option.

*  Handle pwd protected keystores in all CLI tools  (#45289)

This change ensures that `elasticsearch-setup-passwords` and
`elasticsearch-saml-metadata` can handle a password protected
elasticsearch.keystore.
For setup passwords the user would be prompted to add the
elasticsearch keystore password upon running the tool. There is no
option to pass the password as a parameter as we assume the user is
present in order to enter the desired passwords for the built-in
users.
For saml-metadata, we prompt for the keystore password at all times
even though we'd only need to read something from the keystore when
there is a signing or encryption configuration.

* Modify docs for setup passwords and saml metadata cli (#45797)

Adds a sentence in the documentation of `elasticsearch-setup-passwords`
and `elasticsearch-saml-metadata` to describe that users would be
prompted for the keystore's password when running these CLI tools,
when the keystore is password protected.

Co-Authored-By: Lisa Cawley <lcawley@elastic.co>

* Elasticsearch keystore passphrase for startup scripts (#44775)

This commit allows a user to provide a keystore password on Elasticsearch
startup, but only prompts when the keystore exists and is encrypted.

The entrypoint in Java code is standard input. When the Bootstrap class is
checking for secure keystore settings, it checks whether or not the keystore
is encrypted. If so, we read one line from standard input and use this as the
password. For simplicity's sake, we allow a maximum passphrase length of 128
characters. (This is an arbitrary limit and could be increased or eliminated.
It is also enforced in the keystore tools, so that a user can't create a
password that's too long to enter at startup.)

In order to provide a password on standard input, we have to account for four
different ways of starting Elasticsearch: the bash startup script, the Windows
batch startup script, systemd startup, and docker startup. We use wrapper
scripts to reduce systemd and docker to the bash case: in both cases, a
wrapper script can read a passphrase from the filesystem and pass it to the
bash script.

In order to simplify testing the need for a passphrase, I have added a
has-passwd command to the keystore tool. This command can run silently, and
exit with status 0 when the keystore has a password. It exits with status 1 if
the keystore doesn't exist or exists and is unencrypted.

A good deal of the code-change in this commit has to do with refactoring
packaging tests to cleanly use the same tests for both the "archive" and the
"package" cases. This required not only moving tests around, but also adding
some convenience methods for an abstraction layer over distribution-specific
commands.

* Adjust docs for password protected keystore (#45054)

This commit adds relevant parts in the elasticsearch-keystore
sub-commands reference docs and in the reload secure settings API
doc.

* Fix failing Keystore Passphrase test for feature branch (#50154)

One problem with the passphrase-from-file tests, as written, is that
they would leave a SystemD environment variable set when they failed,
and this setting would cause elasticsearch startup to fail for other
tests as well. By using a try-finally, I hope that these tests will fail
more gracefully.

It appears that our Fedora and Ubuntu environments may be configured to
store journald information under /var rather than under /run, so that it
will persist between boots. Our destructive tests that read from the
journal need to account for this in order to avoid trying to limit the
output we check in tests.

* Run keystore management tests on docker distros (#50610)

* Add Docker handling to PackagingTestCase

Keystore tests need to be able to run in the Docker case. We can do this
by using a DockerShell instead of a plain Shell when Docker is running.

* Improve ES startup check for docker

Previously we were checking truncated output for the packaged JDK as
an indication that Elasticsearch had started. With new preliminary
password checks, we might get a false positive from ES keystore
commands, so we have to check specifically that the Elasticsearch
class from the Bootstrap package is what's running.

* Test password-protected keystore with Docker (#50803)

This commit adds two tests for the case where we mount a
password-protected keystore into a Docker container and provide a
password via a Docker environment variable.

We also fix a logging bug where we were logging the identifier for an
array of strings rather than the contents of that array.

* Add documentation for keystore startup prompting (#50821)

When a keystore is password-protected, Elasticsearch will prompt at
startup. This commit adds documentation for this prompt for the archive,
systemd, and Docker cases.

Co-authored-by: Lisa Cawley <lcawley@elastic.co>

* Warn when unable to upgrade keystore on debian (#51011)

For Red Hat RPM upgrades, we warn if we can't upgrade the keystore. This
commit brings the same logic to the code for Debian packages. See the
posttrans file for gets executed for RPMs.

* Restore handling of string input

Adds tests that were mistakenly removed. One of these tests proved
we were not handling the the stdin (-x) option correctly when no
input was added. This commit restores the original approach of
reading stdin one char at a time until there is no more (-1, \r, \n)
instead of using readline() that might return null

* Apply spotless reformatting

* Use '--since' flag to get recent journal messages

When we get Elasticsearch logs from journald, we want to fetch only log
messages from the last run. There are two reasons for this. First, if
there are many logs, we might get a string that's too large for our
utility methods. Second, when we're looking for a specific message or
error, we almost certainly want to look only at messages from the last
execution.

Previously, we've been trying to do this by clearing out the physical
files under the journald process. But there seems to be some contention
over these directories: if journald writes a log file in between when
our deletion command deletes the file and when it deletes the log
directory, the deletion will fail.

It seems to me that we might be able to use journald's "--since" flag to
retrieve only log messages from the last run, and that this might be
less likely to fail due to race conditions in file deletion.

Unfortunately, it looks as if the "--since" flag has a granularity of
one-second. I've added a two-second sleep to make sure that there's a
sufficient gap between the test that will read from journald and the
test before it.

* Use new journald wrapper pattern

* Update version added in secure settings request

Co-authored-by: Lisa Cawley <lcawley@elastic.co>
Co-authored-by: Ioannis Kakavas <ikakavas@protonmail.com>
2020-01-28 05:32:32 -05:00
Ioannis Kakavas 4f3548fbd7
Disable diagnostic trust manager in tests (#51501)
This commit sets `xpack.security.ssl.diagnose.trust` to false in all
of our tests when running in FIPS 140 mode and when settings objects
are used to create an instance of the SSLService. This is needed
in 7.x because setting xpack.security.ssl.diagnose.trust to true
wraps SunJSSE TrustManager with our own DiagnosticTrustManager and
this is not allowed when SunJSSE is in FIPS mode.
An alternative would be to set xpack.security.fips.enabled to
true which would also implicitly disable
xpack.security.ssl.diagnose.trust but would have additional effects
(would require that we set PBKDF2 for password hashing algorithm in
all test clusters, would prohibit using JKS keystores in nodes even
if relevant tests have been muted in FIPS mode etc.)

Relates: #49900
Resolves: #51268
2020-01-28 10:17:35 +02:00
Jason Tedor 92b611ece1
Formalize build snapshot (#51484)
Today we are repeatedly checking if the current build is a snapshot
build or not by reading the system property build.snapshot. This commit
formalizes this by adding a build parameter to indicate whether or not
the current build is a snapshot build.
2020-01-27 16:56:31 -05:00
Benjamin Trent 8559ff7cee
[ML][Inference] fixing pattern compilation + unnecessary string copy (#51483) (#51487) 2020-01-27 12:12:34 -05:00
Hendrik Muhs b233e93014
[Transform] refactor naming leftovers and apply code formating (#51465) (#51470)
refactor renaming leftovers: "data frame transform" to "transforms", touch only internals (variable
names, non-public API's, doc strings, ...) and apply code-formatting (spotless). No logical changes.
2020-01-27 14:04:57 +01:00
Ioannis Kakavas ee202a642f
Enable tests in FIPS 140 in JDK 11 (#49485)
This change changes the way to run our test suites in 
JVMs configured in FIPS 140 approved mode. It does so by:

- Configuring any given runtime Java in FIPS mode with the bundled
policy and security properties files, setting the system
properties java.security.properties and java.security.policy
with the == operator that overrides the default JVM properties
and policy.

- When runtime java is 11 and higher, using BouncyCastle FIPS 
Cryptographic provider and BCJSSE in FIPS mode. These are 
used as testRuntime dependencies for unit
tests and internal clusters, and copied (relevant jars)
explicitly to the lib directory for testclusters used in REST tests

- When runtime java is 8, using BouncyCastle FIPS 
Cryptographic provider and SunJSSE in FIPS mode. 

Running the tests in FIPS 140 approved mode doesn't require an
additional configuration either in CI workers or locally and is
controlled by specifying -Dtests.fips.enabled=true
2020-01-27 11:14:52 +02:00
Przemko Robakowski fbec19c022
Centralize mocks initialization in ILM steps tests (#51384) (#51453)
* Centralize mocks initialization in ILM steps tests

This change centralizes initialization of `Client`, `AdminClient`
and `IndicesAdminClient` for all classes extending `AbstractStepTestCase`.
This removes a lot of code duplication and make it easier to write tests.
This also removes need for `AsyncActionStep#setClient`

* Unused imports removed

* Added missed tests

* Fix OpenFollowerIndexStepTests
2020-01-25 01:19:55 +01:00
Benjamin Trent bf53ca3380
[7.x] [ML] Add _cat/ml/anomaly_detectors API (#51364) (#51408)
[ML] Add _cat/ml/anomaly_detectors API (#51364)
2020-01-24 11:54:22 -05:00
Benjamin Trent fc994d9ce1
[ML][Inference] Adds validations for model PUT (#51376) (#51409)
Adds validations making sure that

* `input.field_names` is not empty
* `ensemble.trained_models` is not empty
* `tree.feature_names` is not empty

closes https://github.com/elastic/elasticsearch/issues/51354
2020-01-24 09:29:12 -05:00
Benjamin Trent 76660a5a4f
[7.x] [ML][Inference] add tags url param to GET (#51330) (#51404)
* [ML][Inference] add tags url param to GET (#51330)

Adds a new URL parameter, `tags` to the GET _ml/inference/<model_id> endpoint.

This parameter allows the list of models to be further reduced to those who contain all the provided tags.
2020-01-24 08:26:58 -05:00
Przemysław Witek 8703b885c2
Move TupleMatchers class to org.elasticsearch.test.hamcrest package (#51359) (#51395) 2020-01-24 11:10:54 +01:00
Hendrik Muhs d46e8c3f7f [Transform] disallow dotted fieldnames (#51369)
adds field validation to disallow output field names starting and/or ending with a '.'. Avoids
indexing/mapping problems when starting the transform.
2020-01-24 09:05:44 +01:00
Lee Hinman 31747de2a2 Fix testHashcodeAndEquals mutation for WaitForSnapshotStep (#51379)
This fixes the test failure, it was randomness returning the same policy
rather than a new one. Switched to use `randomValueOtherThan`.

Resolves #51377
2020-01-23 16:19:50 -07:00
Hendrik Muhs 3553f68f5a [Transform] Handle permanent bulk indexing errors (#51307)
check bulk indexing error for permanent problems and ensure the state goes into failed instead of
retry. Corrects the stats API to show the real error and avoids excessive audit logging.

fixes #50122
2020-01-23 16:17:26 +01:00
Przemko Robakowski 84664e8d60
Expose master timeout for ILM actions (#51130) (#51348)
This change exposes master timeout to ILM steps through global dynamic setting.
All currently implemented steps make use of this setting as well.

Closes #44136
2020-01-23 15:28:13 +01:00
David Kyle 0ac03ac5e7
[ML] Add parsers for inference configuration classes (#51300) 2020-01-22 17:03:01 +00:00
Dimitris Athanasiou 59687a9384
[7.x][ML] Validate classification dependent_variable cardinality is at lea… (#51232) (#51309)
Data frame analytics classification currently only supports 2 classes for the
dependent variable. We were checking that the field's cardinality is not higher
than 2 but we should also check it is not less than that as otherwise the process
fails.

Backport of #51232
2020-01-22 16:51:16 +02:00
Przemysław Witek bfcfcdee33
[7.x] Do not copy mapping from dependent variable to prediction field in regression analysis (#51227) (#51288) 2020-01-22 12:36:24 +01:00
Andrei Dan 421aa14972
ILM: Make UpdateSettingsStep retryable (#51235) (#51298)
This makes the UpdateSettingsStep retryable. This step updates settings needed
during the execution of ILM actions (mark indexes as read-only, change
allocation configurations, mark indexing complete, etc)

As the index updates are idempotent in nature (PUT requests and are applied only
if the values have changed) and the settings values are seldom user-configurable
(aside from the allocate action) the testing for this change goes along the
lines of artificially simulating a setting update failure on a particular value
update, which is followed by a successful step execution (a retry) in an
environment outside of ILM (the step executions are triggered manually).

(cherry picked from commit 8391b0aba469f39532bfc2796b76148167dc0289)
Signed-off-by: Andrei Dan <andrei.dan@elastic.co>
2020-01-22 11:02:26 +00:00
Andrei Dan 123266714b
ILM wait for active shards on rolled index in a separate step (#50718) (#51296)
After we rollover the index we wait for the configured number of shards for the
rolled index to become active (based on the index.write.wait_for_active_shards
setting which might be present in a template, or otherwise in the default case,
for the primaries to become active).
This wait might be long due to disk watermarks being tripped, replicas not
being able to spring to life due to cluster nodes reconfiguration and others
and, the RolloverStep might not complete successfully due to this inherent
transient situation, albeit the rolled index having been created.

(cherry picked from commit 457a92fb4c68c55976cc3c3e2f00a053dd2eac70)
Signed-off-by: Andrei Dan <andrei.dan@elastic.co>
2020-01-22 11:01:52 +00:00
Nik Everett 977b53ab91
Fix flaky usage tracking test (#51169) (#51179)
We added tracking of index feature usage in #51031 but due to some copy
and paste errors the test fails on some seeds. This fixes those errors.
2020-01-17 16:53:13 -05:00
David Roberts 295665b1ea [ML] Add audit warning for 1000 categories found early in job (#51146)
If 1000 different category definitions are created for a job in
the first 100 buckets it processes then an audit warning will now
be created.  (This will cause a yellow warning triangle in the
ML UI's jobs list.)

Such a large number of categories suggests that the field that
categorization is working on is not well suited to the ML
categorization functionality.
2020-01-17 16:28:45 +00:00
Przemysław Witek da73c9104e
[ML] Fix tests randomly failing on CI (#51142) (#51150) 2020-01-17 14:58:58 +01:00
Przemysław Witek b1a526d5e9
[7.x] [ML] Update DFA progress document in the index the document belongs to (#51111) (#51117) 2020-01-17 08:12:54 +01:00
Hendrik Muhs 13343b15c9 [Transform] Improve force stop robustness in case of an error (#51072)
If a transform config got lost (e.g. because the internal index disappeared) tasks could not be
stopped using transform API. This change makes it possible to stop transforms without a config,
meaning to remove the background task. In order to do so force must be set to true.
2020-01-17 07:42:21 +01:00
Adrien Grand 45d7bdcfd7
Add analysis components and mapping types to the usage API. (#51062)
Knowing about used analysis components and mapping types would be incredibly
useful in order to know which ones may be deprecated or should get more love.

Some field types also act as a proxy to know about feature usage of some APIs
like the `percolator` or `completion` fields types for percolation and the
completion suggester, respectively.
2020-01-16 09:56:41 +01:00
Lee Hinman 2d1c28a45d
[7.x] Fix AllocateRoutedStepTests reusing keys for random valu… (#51058)
In these tests there was a very small chance that keys could collide,
which causes test failures.

Resolves #49307
2020-01-15 11:36:34 -07:00
Tim Vernum e41c0b1224
Deprecating kibana_user and kibana_dashboard_only_user roles (#50963)
This change adds a new `kibana_admin` role, and deprecates
the old `kibana_user` and`kibana_dashboard_only_user`roles.

The deprecation is implemented via a new reserved metadata
attribute, which can be consumed from the API and also triggers
deprecation logging when used (by a user authenticating to
Elasticsearch).

Some docs have been updated to avoid references to these
deprecated roles.

Backport of: #46456

Co-authored-by: Larry Gregory <lgregorydev@gmail.com>
2020-01-15 11:07:19 +11:00
Nik Everett fc5fde7950
Add "did you mean" to ObjectParser (#50938) (#50985)
Check it out:
```
$ curl -u elastic:password -HContent-Type:application/json -XPOST localhost:9200/test/_update/foo?pretty -d'{
  "dac": {}
}'

{
  "error" : {
    "root_cause" : [
      {
        "type" : "x_content_parse_exception",
        "reason" : "[2:3] [UpdateRequest] unknown field [dac] did you mean [doc]?"
      }
    ],
    "type" : "x_content_parse_exception",
    "reason" : "[2:3] [UpdateRequest] unknown field [dac] did you mean [doc]?"
  },
  "status" : 400
}
```

The tricky thing about implementing this is that x-content doesn't
depend on Lucene. So this works by creating an extension point for the
error message using SPI. Elasticsearch's server module provides the
"spell checking" implementation.
s
2020-01-14 17:53:41 -05:00
Benjamin Trent 72c270946f
[ML][Inference] Adding classification_weights to ensemble models (#50874) (#50994)
* [ML][Inference] Adding classification_weights to ensemble models

classification_weights are a way to allow models to
prefer specific classification results over others
this might be advantageous if classification value
probabilities are a known quantity and can improve
model error rates.
2020-01-14 12:40:25 -05:00
Dimitris Athanasiou 1d8cb3c741
[7.x][ML] Add num_top_feature_importance_values param to regression and classi… (#50914) (#50976)
Adds a new parameter to regression and classification that enables computation
of importance for the top most important features. The computation of the importance
is based on SHAP (SHapley Additive exPlanations) method.

Backport of #50914
2020-01-14 16:46:09 +02:00
Tim Vernum 2bb7b53e41
Add certutil http command (#50952)
This adds a new "http" sub-command to the certutil CLI tool.

The http command generates certificates/CSRs for use on the http
interface of an elasticsearch node/cluster.
It is designed to be a guided tool that provides explanations and
sugestions for each of the configuration options. The generated zip
file output includes extensive "readme" documentation and sample
configuration files for core Elastic products.

Backport of: #49827
2020-01-14 21:24:21 +11:00
Tim Vernum b02b073a57
Increase Size and lower TTL on DLS BitSet Cache (#50953)
The Document Level Security BitSet Cache (see #43669) had a default
configuration of "small size, long lifetime". However, this is not
a very useful default as the cache is most valuable for BitSets that
take a long time to construct, which is (generally speaking) the same
ones that operate over a large number of documents and contain many
bytes.

This commit changes the cache to be "large size, short lifetime" so
that it can hold bitsets representing billions of documents, but
releases memory quickly.

The new defaults are 10% of heap, and 2 hours.

This also adds some logging when a single BitSet exceeds the size of
the cache and when the cache is full.

Backport of: #50535
2020-01-14 18:04:02 +11:00
Tim Vernum 33c29fb5a3
Support Client and RoleMapping in custom Realms (#50950)
Previously custom realms were limited in what services and components
they had easy access to. It was possible to work around this because a
security extension is packaged within a Plugin, so there were ways to
store this components in static/SetOnce variables and access them from
the realm, but those techniques were fragile, undocumented and
difficult to discover.

This change includes key services as an argument to most of the methods
on SecurityExtension so that custom realm / role provider authors can
have easy access to them.

Backport of: #50534
2020-01-14 15:26:41 +11:00
Tim Vernum 90ba77951a
Fix memory leak in DLS bitset cache (#50946)
The Document Level Security BitSet cache stores a secondary "lookup
map" so that it can determine which cache entries to invalidate when
a Lucene index is closed (merged, etc).

There was a memory leak because this secondary map was not cleared
when entries were naturally evicted from the cache (due to size/ttl
limits).

This has been solved by adding a cache removal listener and processing
those removal events asyncronously.

Backport of: #50635
2020-01-14 13:19:05 +11:00
Tim Vernum 1577a0e617
Validate field permissions when creating a role (#50917)
When creating a role, we do not check if the exceptions for
the field permissions are a subset of granted fields. If such
a role is assigned to a user then that user's authentication fails
for this reason.

We added a check to validate role query in #46275 and on the same lines,
this commit adds check if the exceptions for the field
permissions is a subset of granted fields when parsing the
index privileges from the role descriptor.

Backport of: #50212

Co-authored-by: Yogesh Gaikwad <bizybot@users.noreply.github.com>
2020-01-14 12:37:45 +11:00
Tim Vernum c2acb8830a
Add max_resource_units to enterprise license (#50910)
The enterprise license type must have "max_resource_units" and may not
have "max_nodes".

This change adds support for this new field, validation that the field
is present if-and-only-if the license is enterprise and bumps the
license version number to reflect the new field.

Includes a BWC layer to return "max_nodes: ${max_resource_units}" in
the GET license API.

Backport of: #50735
2020-01-14 12:37:05 +11:00
Przemko Robakowski a18736b46d
[7.x] ILM action to wait for SLM policy execution (#50454) (#50943)
* ILM action to wait for SLM policy execution (#50454)

This change add new ILM action to wait for SLM policy execution to ensure that index has snapshot before deletion.

Closes #45067

* Fix flaky TimeSeriesLifecycleActionsIT#testWaitForSnapshot test

This change adds some randomness and cleanup step to TimeSeriesLifecycleActionsIT#testWaitForSnapshot and testWaitForSnapshotSlmExecutedBefore tests in attempt to make them stable.

Reletes to #50781

* Formatting changes

* Longer timeout

* Fix Map.of in Java8

* Unused import removed
2020-01-14 01:34:33 +01:00
Ioannis Kakavas ba37e3c4a0
Disable DiagnosticTrustManager in FIPS 140 (#49888)
This commit changes the default behavior for
xpack.security.ssl.diagnose.trust when running in a FIPS 140 JVM.

More specifically, when xpack.security.fips_mode.enabled is true:

- If xpack.security.ssl.diagnose.trust is not explicitly set, the
    default value of it becomes false and a log message is printed
    on info level, notifying of the fact that the TLS/SSL diagnostic
    messages are not enabled when in a FIPS 140 JVM.
- If xpack.security.ssl.diagnose.trust is explicitly set, the value of
    it is honored, even in FIPS mode.

This is relevant only for 7.x where we support Java 8 in which
SunJSSE can still be used as a FIPS 140 provider for TLS. SunJSSE
in FIPS mode, disallows the use of other TrustManager implementations
than the one shipped with SunJSSE.
2020-01-13 17:04:23 +02:00
Larry Gregory cc8aafcfc2
[7.x] - Adding GET/PUT ILM cluster privileges to `kibana_syste… (#50878)
Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
2020-01-13 08:36:48 -05:00
Benjamin Trent eb8fd44836
[ML][Inference] minor fixes for created_by, and action permission (#50890) (#50911)
The system created and models we provide now use the `_xpack` user for uniformity with our other features

The `PUT` action is now an admin cluster action

And XPackClient class now references the action instance.
2020-01-13 07:59:31 -05:00
Albert Zaharovits 2b789fa3e6
Make .async-search-* a restricted namespace (#50294)
Hide the `.async-search-*` in Security by making it a restricted index namespace.
The namespace is hard-coded.
To grant privileges on restricted indices, one must explicitly toggle the
`allow_restricted_indices` flag in the indices permission in the role definition.
As is the case with any other index, if a certain user lacks all permissions for an
index, that index is effectively nonexistent for that user.
2020-01-13 12:20:54 +02:00
Benjamin Trent fa116a6d26
[7.x] [ML][Inference] PUT API (#50852) (#50887)
* [ML][Inference] PUT API (#50852)

This adds the `PUT` API for creating trained models that support our format.

This includes

* HLRC change for the API
* API creation
* Validations of model format and call

* fixing backport
2020-01-12 10:59:11 -05:00
Benjamin Trent 5afa0b71e9
[ML][Inference] Unify top_classes object field names with analytics (#50858) (#50861) 2020-01-10 12:00:37 -05:00
Dimitris Athanasiou 422422a2bc
[7.x][ML] Reuse SourceDestValidator for data frame analytics (#50841) (#50850)
This commit removes validation logic of source and dest indices
for data frame analytics and replaces it with using the common
`SourceDestValidator` class which is already used by transforms.
This way the validations and their messages become consistent
while we reduce code.

This means that where these validations fail the error messages
will be slightly different for data frame analytics.

Backport of #50841
2020-01-10 14:24:13 +02:00
Benjamin Trent 3e014d39c2
[Transform] fail to start/put on missing pipeline (#50701) (#50795)
If a pipeline referenced by a transform does not exist, we should not allow the transform to be created. 

We do allow the pipeline existence check to be skipped with defer_validations, but if the pipeline still does not exist on `_start`, the pipeline will fail to start.

relates:  #50135
2020-01-09 10:33:22 -05:00
Christoph Büscher b1b4282273 Make Multiplexer inherit filter chains analysis mode (#50662)
Currently, if an updateable synonym filter is included in a multiplexer filter,
it is not reloaded via the _reload_search_analyzers because the multiplexer
itself doesn't pass on the analysis mode of the filters it contains, so its not
recognized as "updateable" in itself. Instead we can check and merge the
AnalysisMode settings of all filters in the multiplexer and use the resulting
mode (e.g. search-time only) for the multiplexer itself, thus making any synonym
filters contained in it reloadable.  This, of course, will also make the
analyzers using the multiplexer be usable at search-time only.

Closes #50554
2020-01-08 22:12:01 +01:00
Lee Hinman 8dc6e98819
[7.x] Make InitializePolicyContextStep retryable (#50685) (#50760)
This commits makes the "init" ILM step retryable. It also adds a test
where an index is created with a non-parsable index name and then fails.

Related to #48183
2020-01-08 13:13:57 -07:00
Andrei Dan 3915d4c055
Make the UpdateRolloverLifecycleDateStep retryable (#50702) (#50730)
This makes the "update-rollover-lifecycle-date" step, which is part of the
rollover action, retryable. It also adds an integration test to check the
step is retried and it eventually succeeds.

(cherry picked from commit 5bf068522deb2b6cd2563bcf80f34fdbf459c9f2)
Signed-off-by: Andrei Dan <andrei.dan@elastic.co>
2020-01-08 11:45:26 +01:00
Benjamin Trent 060e0a6277
[ML][Inference] Add support for models shipped as resources (#50680) (#50700)
This adds support for models that are shipped as resources in the ML plugin. The first of which is the `lang_ident` model.
2020-01-07 09:21:59 -05:00
Hendrik Muhs 98ca9500e8
implement a workaround for remote cluster validation (#50460)
In 7.x an internal API used for validating remote cluster does not throw, see #50420 for the 
details. This change implements a workaround for remote cluster validation, only for 7.x branches.

fixes #50420
2020-01-07 13:51:51 +01:00
David Roberts 35453e2b0e [ML] Improve uniqueness of result document IDs (#50644)
Switch from a 32 bit Java hash to a 128 bit Murmur hash for
creating document IDs from by/over/partition field values.
The 32 bit Java hash was not sufficiently unique, and could
produce identical numbers for relatively common combinations
of by/partition field values such as L018/128 and L017/228.

Fixes #50613
2020-01-07 10:24:45 +00:00
Benjamin Trent 5ab9e75e28
[7.x] [ML][Inference] lang_ident model (#50292) (#50675)
* [ML][Inference] lang_ident model (#50292)

This PR contains a java port of Google's CLD3 compact NN model https://github.com/google/cld3

The ported model is formatted to fit within our inference model formatting and stored as a resource in the `:xpack:ml:` plugin and is under basic license.

The model is broken up into two major parts:
- Preprocessing through the custom embedding (based on CLD3's embedding layer)
- Pushing the embedded text through the two layers of fully connected shallow NN. 

Main differences between this port and CLD3:
- We take advantage of Java's internal Unicode handling where possible (i.e. codepoints, characters, decoders, etc.)
- We do not trim down input text by removing duplicated tokens
- We do not encode doubles/floats as longs/integers.
2020-01-06 16:24:03 -05:00
Benjamin Trent f52af7977d
[ML][Inference] minor cleanup for inference (#50444) (#50676) 2020-01-06 14:05:04 -05:00
Nik Everett 1b28af489f
Fix bare warnings on RollupJobTests (#50633) (#50677)
Silences some ugly warnings.
2020-01-06 14:03:30 -05:00
Albert Zaharovits 9ae3cd2a78
Add 'monitor_snapshot' cluster privilege (#50489) (#50647)
This adds a new cluster privilege `monitor_snapshot` which is a restricted
version of `create_snapshot`, granting the same privileges to view
snapshot and repository info and status but not granting the actual
privilege to create a snapshot.

Co-authored-by: j-bean <anton.shuvaev91@gmail.com>
2020-01-06 13:15:55 +02:00
Andrei Dan 3c971f2911
ILM retryable async action steps (#50522) (#50591)
This adds support for retrying AsyncActionSteps by triggering the async
step after ILM was moved back on the failed step (the async step we'll
be attempting to run after the cluster state reflects ILM being moved
back on the failed step).

This also marks the RolloverStep as retryable and adds an integration
test where the RolloverStep is failing to execute as the rolled over
index already exists to test that the async action RolloverStep is
retried until the rolled over index is deleted.

(cherry picked from commit 8bee5f4cb58a1242cc2ef4bc0317dae6c8be49d3)
Signed-off-by: Andrei Dan <andrei.dan@elastic.co>
2020-01-03 16:19:58 +02:00
Dimitris Athanasiou ca0828ba07
[7.x][ML] Implement force deleting a data frame analytics job (#50553) (#50589)
Adds a `force` parameter to the delete data frame analytics
request. When `force` is `true`, the action force-stops the
jobs and then proceeds to the deletion. This can be used in
order to delete a non-stopped job with a single request.

Closes #48124

Backport of #50553
2020-01-03 13:46:02 +02:00
Nik Everett b36a8ab141
Make some ObjectParsers final (#50471) (#50556)
We have about 800 `ObjectParsers` in Elasticsearch, about 700 of which
are final. This is *probably* the right way to declare them because in
practice we never mutate them after they are built. And we certainly
don't change the static reference. Anyway, this adds `final` to a bunch
of these parsers, mostly the ones in xpack and their "paired" parsers in
the high level rest client. I picked these just to have somewhere to
break the up the change so it wouldn't be huge.

I found the non-final parsers with this:
```
diff \
  <(find . -type f -name '*.java' -exec grep -iHe 'static.*PARSER\s*=' {} \+ | sort) \
  <(find . -type f -name '*.java' -exec grep -iHe 'static.*final.*PARSER\s*=' {} \+ | sort) \
  2>&1 | grep '^<'
```
2020-01-02 10:47:38 -05:00
Tim Vernum cad0f6bf28
Do not load SSLService in plugin contructor (#50519)
XPackPlugin created an SSLService within the plugin contructor.
This has 2 negative consequences:

1. The service may be constructed based on a partial view of settings.
   Other plugins are free to add setting values via the
   additionalSettings() method, but this (necessarily) happens after
   plugins have been constructed.

2. Any exceptions thrown during the plugin construction are handled
   differently than exceptions thrown during "createComponents".
   Since SSL configurations exceptions are relatively common, it is
   far preferable for them to be thrown and handled as part of the
   createComponents flow.

This commit moves the creation of the SSLService to
XPackPlugin.createComponents, and alters the sequence of some other
steps to accommodate this change.

Backport of: #49667
2019-12-30 14:42:32 +11:00
Lee Hinman c3c9ccf61f
[7.x] Add ILM histore store index (#50287) (#50345)
* Add ILM histore store index (#50287)

* Add ILM histore store index

This commit adds an ILM history store that tracks the lifecycle
execution state as an index progresses through its ILM policy. ILM
history documents store output similar to what the ILM explain API
returns.

An example document with ALL fields (not all documents will have all
fields) would look like:

```json
{
  "@timestamp": 1203012389,
  "policy": "my-ilm-policy",
  "index": "index-2019.1.1-000023",
  "index_age":123120,
  "success": true,
  "state": {
    "phase": "warm",
    "action": "allocate",
    "step": "ERROR",
    "failed_step": "update-settings",
    "is_auto-retryable_error": true,
    "creation_date": 12389012039,
    "phase_time": 12908389120,
    "action_time": 1283901209,
    "step_time": 123904107140,
    "phase_definition": "{\"policy\":\"ilm-history-ilm-policy\",\"phase_definition\":{\"min_age\":\"0ms\",\"actions\":{\"rollover\":{\"max_size\":\"50gb\",\"max_age\":\"30d\"}}},\"version\":1,\"modified_date_in_millis\":1576517253463}",
    "step_info": "{... etc step info here as json ...}"
  },
  "error_details": "java.lang.RuntimeException: etc\n\tcaused by:etc etc etc full stacktrace"
}
```

These documents go into the `ilm-history-1-00000N` index to provide an
audit trail of the operations ILM has performed.

This history storage is enabled by default but can be disabled by setting
`index.lifecycle.history_index_enabled` to `false.`

Resolves #49180

* Make ILMHistoryStore.putAsync truly async (#50403)

This moves the `putAsync` method in `ILMHistoryStore` never to block.
Previously due to the way that the `BulkProcessor` works, it was possible
for `BulkProcessor#add` to block executing a bulk request. This was bad
as we may be adding things to the history store in cluster state update
threads.

This also moves the index creation to be done prior to the bulk request
execution, rather than being checked every time an operation was added
to the queue. This lessens the chance of the index being created, then
deleted (by some external force), and then recreated via a bulk indexing
request.

Resolves #50353
2019-12-20 12:33:36 -07:00
Przemysław Witek 3e3a93002f
[7.x] Fix accuracy metric (#50310) (#50433) 2019-12-20 15:34:38 +01:00
Przemysław Witek 14d95aae46
[7.x] Make each analysis report desired field mappings to be copied (#50219) (#50428) 2019-12-20 15:10:33 +01:00
Przemysław Witek 5bb668b866
[7.x] Get rid of maxClassesCardinality internal parameter (#50418) (#50423) 2019-12-20 14:24:23 +01:00
Hendrik Muhs 40bce49a7f mute SourceDestValidatorTests.testRemoteSourceDoesNotExist 2019-12-20 11:25:43 +01:00
Hendrik Muhs 7c10e9b0e7 [Transform] improve checkpoint reporting (#50369)
fixes empty checkpoints, re-factors checkpoint info creation (moves builder) and always reports
last change detection

relates #43201
relates #50018
2019-12-20 10:49:53 +01:00
Hendrik Muhs de14092ad2 [Transform] refactor source and dest validation to support CCS (#50018)
refactors source and dest validation, adds support for CCS, makes resolve work like reindex/search, allow aliased dest index with a single write index.

fixes #49988
fixes #49851
relates #43201
2019-12-20 10:49:53 +01:00
Stuart Tettemer 689df1f28f
Scripting: ScriptFactory not required by compile (#50344) (#50392)
Avoid backwards incompatible changes for 8.x and 7.6 by removing type
restriction on compile and Factory.  Factories may optionally implement
ScriptFactory.  If so, then they can indicate determinism and thus
cacheability.

**Backport**

Relates: #49466
2019-12-19 12:50:25 -07:00
Przemysław Witek cc4bc797f9
[7.x] Implement `precision` and `recall` metrics for classification evaluation (#49671) (#50378) 2019-12-19 18:55:05 +01:00
Benjamin Trent 4396a1f78b
[ML][Inference] fix support for nested fields (#50258) (#50335)
This fixes support for nested fields

We now support fully nested, fully collapsed, or a mix of both on inference docs.

ES mappings allow the `_source` to be any combination of nested objects + dot delimited fields.
So, we should do our best to find the best path down the Map for the desired field.
2019-12-18 15:47:06 -05:00
Dimitris Athanasiou 447bac27d2
[7.x][ML] Delete unused data frame analytics state (#50243) (#50280)
This commit adds removal of unused data frame analytics state
from the _delete_expired_data API (and in extend th ML daily
maintenance task). At the moment the potential state docs
include the progress document and state for regression and
classification analyses.

Backport of #50243
2019-12-18 12:30:11 +00:00
Armin Braun 2e7b1ab375
Use ClusterState as Consistency Source for Snapshot Repositories (#49060) (#50267)
Follow up to #49729

This change removes falling back to listing out the repository contents to find the latest `index-N` in write-mounted blob store repositories.
This saves 2-3 list operations on each snapshot create and delete operation. Also it makes all the snapshot status APIs cheaper (and faster) by saving one list operation there as well in many cases.
This removes the resiliency to concurrent modifications of the repository as a result and puts a repository in a `corrupted` state in case loading `RepositoryData` failed from the assumed generation.
2019-12-17 10:55:13 +01:00
Tim Vernum ce2aab3f2f
Add setting to restrict license types (#50252)
This adds a new "xpack.license.upload.types" setting that restricts
which license types may be uploaded to a cluster.

By default all types are allowed (excluding basic, which can only be
generated and never uploaded).
This setting does not restrict APIs that generate licenses such as the
start trial API.

This setting is not documented as it is intended to be set by
orchestrators and not end users.

Backport of: #49418
2019-12-17 14:58:58 +11:00
Benjamin Trent 4805d8ac7d
[ML][Inference] Adding a warning_field for warning msgs. (#49838) (#50183)
This adds a new field for the inference processor.

`warning_field` is a place for us to write warnings provided from the inference call. When there are warnings we are not going to write an inference result. The goal of this is to indicate that the data provided was too poor or too different for the model to make an accurate prediction.

The user could optionally include the `warning_field`. When it is not provided, it is assumed no warnings were desired to be written.

The first of these warnings is when ALL of the input fields are missing. If none of the trained fields are present, we don't bother inferencing against the model and instead provide a warning stating that the fields were missing.

Also, this adds checks to not allow duplicated fields during processor creation.
2019-12-13 10:39:51 -05:00
Dimitris Athanasiou e6cbcf7f7c
[7.x] [ML] Persist/restore state for DFA classification (#50040) (#50147)
This commit adds state persist/restore for data frame analytics classification jobs.

Backport of #50040
2019-12-13 10:33:19 +02:00
Tim Vernum 2811b97b76
Remove reserved roles for code search (#50115)
The "code_user" and "code_admin" reserved roles existed to support
code search which is no longer included in Kibana.

The "kibana_system" role included privileges to read/write from the
code search indices, but no longer needs that access.

Backport of: #50068
2019-12-13 10:22:55 +11:00
Benjamin Trent c043aa887f
[ML][Inference] Simplify inference processor options (#50105) (#50146)
* [ML][Inference] Simplify inference processor options

* addressing pr comments
2019-12-12 11:13:55 -05:00
Tim Vernum 47e5e34f42
Support "enterprise" license types (#49474)
This adds "enterprise" as an acceptable type for a license loaded
through the PUT _license API.

Internally an enterprise license is treated as having a "platinum"
operating mode.

The handling of License types was refactored to have a new explicit
"LicenseType" enum in addition to the existing "OperatingMode" enum.

By default (in 7.x) the GET license API will return "platinum" when an
enterprise license is active in order to be compatible with existing
consumers of that API.
A new "accept_enterprise" flag has been introduced to allow clients to
opt-in to receive the correct "enterprise" type.

Backport of: #49223
2019-12-12 14:37:44 +11:00
Dimitris Athanasiou 8891f4db88
[7.x][ML] Introduce randomize_seed setting for regression and classification (#49990) (#50023)
This adds a new `randomize_seed` for regression and classification.
When not explicitly set, the seed is randomly generated. One can
reuse the seed in a similar job in order to ensure the same docs
are picked for training.

Backport of #49990
2019-12-10 15:29:19 +02:00
Yannick Welsch a16abf921f Make elasticsearch-node tools custom metadata-aware (#48390)
The elasticsearch-node tools allow manipulating the on-disk cluster state. The tool is currently
unaware of plugins and will therefore drop custom metadata from the cluster state once the
state is written out again (as it skips over the custom metadata that it can't read). This commit
preserves unknown customs when editing on-disk metadata through the elasticsearch-node
command-line tools.
2019-12-10 09:58:11 +01:00
Jason Tedor bfb2dc1353
Enable dependent settings values to be validated (#49942)
Today settings can declare dependencies on another setting. This
declaration is implemented so that if the declared setting is not set
when the declaring setting is, settings validation fails. Yet, in some
cases we want not only that the setting is set, but that it also has a
specific value. For example, with the monitoring exporter settings, if
xpack.monitoring.exporters.my_exporter.host is set, we not only want
that xpack.monitoring.exporters.my_exporter.type is set, but that it is
also set to local. This commit extends the settings infrastructure so
that this declaration is possible. The use of this in the monitoring
exporter settings will be implemented in a follow-up.
2019-12-09 12:45:50 -05:00
Przemysław Witek 0965a10468
[7.x] Pass `prediction_field_type` to C++ analytics process (#49861) (#49981) 2019-12-09 14:43:01 +01:00
Benjamin Trent 049d854360
[ML][Inference] adjust so target_field always has inference result and optionally allow new top classes field in the classification config (#49923) (#49982) 2019-12-09 08:29:45 -05:00
cachedout 549b103458
[7.x] APM system_user (#47668) (#49912)
* Add test for APM beats index perms

* Grant monitoring index privs to apm_system user

* Review feedback

* Fix compilation problem
2019-12-09 08:25:03 +00:00
Armin Braun ac2774c9fa
Use Cluster State to Track Repository Generation (#49729) (#49976)
Step on the road to #49060.

This commit adds the logic to keep track of a repository's generation
across repository operations. See changes to package level Javadoc for the concrete changes in the distributed state machine.

It updates the write side of new repository generations to be fully consistent via the cluster state. With this change, no `index-N` will be overwritten for the same repository ever. So eventual consistency issues around conflicting updates to the same `index-N` are not a possibility any longer.

With this change the read side will still use listing of repository contents instead of relying solely on the cluster state contents.
The logic for that will be introduced in #49060. This retains the ability to externally delete the contents of a repository and continue using it afterwards for the time being. In #49060 the use of listing to determine the repository generation will be removed in all cases (except for full-cluster restart) as the last step in this effort.
2019-12-09 09:02:57 +01:00
Stuart Tettemer 17cda5b2c0
Scripting: Groundwork for caching script results (#49895) (#49944)
In order to cache script results in the query shard cache, we need to
check if scripts are deterministic.  This change adds a default method
to the script factories, `isResultDeterministic() -> false` which is
used by the `QueryShardContext`.

Script results were never cached and that does not change here.  Future
changes will implement this method based on whether the results of the
scripts are deterministic or not and therefore cacheable.

Refs: #49466

**Backport**
2019-12-06 15:08:05 -07:00
Lee Hinman 8205cdd423
[7.x] Refactor IndexLifecycleRunner to split state modificatio… (#49936)
This commit refactors the `IndexLifecycleRunner` to split out and
consolidate the number of methods that change state from within ILM. It
adds a new class `IndexLifecycleTransition` that contains a number of
static methods used to modify ILM's state. These methods all return new
cluster states rather than making changes themselves (they can be
thought of as helpers for modifying ILM state).

Rather than having multiple ways to move an index to a particular step
(like `moveClusterStateToStep`, `moveClusterStateToNextStep`,
`moveClusterStateToPreviouslyFailedStep`, etc (there are others)) this
now consolidates those into three with (hopefully) useful names:

- `moveClusterStateToStep`
- `moveClusterStateToErrorStep`
- `moveClusterStateToPreviouslyFailedStep`

In the move, I was also able to consolidate duplicate or redundant
arguments to these functions. Prior to this commit there were many calls
that provided duplicate information (both `IndexMetaData` and
`LifecycleExecutionState` for example) where the duplicate argument
could be derived from a previous argument with no problems.

With this split, `IndexLifecycleRunner` now contains the methods used to
actually run steps as well as the methods that kick off cluster state
updates for state transitions. `IndexLifecycleTransition` contains only
the helpers for constructing new states from given scenarios.

This also adds Javadocs to all methods in both `IndexLifecycleRunner`
and `IndexLifecycleTransition` (this accounts for almost all of the
increase in code lines for this commit). It also makes all methods be as
restrictive in visibility, to limit the scope of where they are used.

This refactoring is part of work towards capturing actions and
transitions that ILM makes, by consolidating and simplifying the places
we make state changes, it will make adding operation auditing easier.
2019-12-06 12:55:16 -07:00
Hendrik Muhs c33be29dc7 [Transform] automatic deletion of old checkpoints (#49496)
add automatic deletion of old checkpoints based on count and time
2019-12-04 07:55:57 +01:00
Hendrik Muhs 7aae212287
[Transform] Fix possible audit logging disappearance after rolling upgrade (#49731) (#49767)
ensure audit index template is available during a rolling upgrade before a
transform task can write to it.

fixes #49730
2019-12-03 18:05:06 +01:00
Przemysław Witek a3f88595d7
A few cleanups in evaluation tests (#49791) (#49794) 2019-12-03 15:48:39 +01:00