Commit Graph

115 Commits

Author SHA1 Message Date
Felix Kunde c18241f187
Bump v1.6.2 (#1433)
* helm chart remove 1.6.0 archive from 1.6.0 archive

* bump operator to v1.6.2

* fix pointer deref

* skip connection pooler sync when empty

* revert pooler change and minor update to version msg

* do not log query on error when creating or altering users
2021-04-01 11:53:07 +02:00
neelasha-09 9e93c0a4ef
Fix for AllowPrivilegeEscalation : issue-1403 (#1412)
* Fix for AllowPrivilegeEscalation : issue-1403

* fixed syntax error

* Aligned the value for parameter

* Aligned the value for parameter

* Update crds.go

* Aligned the parameter spilo_allow_privilege_escalation

* Parameters sorted in Alphabetical order in manifests yaml

* Parameters sorted in Alphabetical order in manifests yaml

* Update pkg/controller/operator_config.go

* Update docs/reference/operator_parameters.md

Co-authored-by: Neelam Sharma <neelasha@amdocs.com>
Co-authored-by: Felix Kunde <felix-kunde@gmx.de>
2021-03-29 10:37:59 +02:00
Felix Kunde c9acd52700
Major version upgrade config (#1386)
* reflect new major version upgrade options everywhere

* emit events during major version upgrade
2021-03-09 15:28:15 +01:00
Felix Kunde 3962e71ddd
bump to v1.6.1 (#1367)
* bump tp v1.6.1
* update UI chart
* improve docs and manifest examples
* use Spilo 2.0-r4 and update docs
* minor updates to admin docs
2021-02-18 13:38:27 +01:00
Felix Kunde 12ad8c91fa
configurable container capabilities (#1336)
* configurable container capabilities

* revert change on TestTLS

* fix e2e test

* minor fix
2021-01-29 14:54:48 +01:00
Felix Kunde f927d6616c
add default values to operatorconfiguration crd (#1283)
* add default values to operatorconfiguration crd

* leave default for enable_master_load_balancer to true

* add missing bits for new logical backup option

* fix wrong lb tag and update chart package
2021-01-11 17:24:24 +01:00
Sergey Dudoladov 168b679506
add a prefix for the name of a logical backup job (#1287)
* add a prefix for the name of a logical backup job

Co-authored-by: Sergey Dudoladov <sergey.dudoladov@zalando.de>
2021-01-07 10:38:07 +01:00
Felix Kunde 102178409b
bump tp v1.6.0 (#1265)
* bump tp v1.6.0
* update logical-backup image
* Using smaller image for e2e test.
* fix env var name in docs
* add postgresql-client-13 to logical backup image

Co-authored-by: Jan Mussler <janm81@gmail.com>
2020-12-18 13:10:35 +01:00
Jan Mussler a63ad49ef8
Initial commit for new 1.6 release with Postgres 13 support. (#1257)
* Initial commit for new 1.6 release with Postgres 13 support.
* Updating maintainers, Go version, Codeowners.
* Use lazy upgrade image that contains pg13.
* fix typo for ownerReference
* fix clusterrole in helm chart
* reflect GCP logical backup in validation
* improve PostgresTeam docs
* change defaults for enable_pgversion_env_var and storage_resize_mode
* explain manual part of in-place upgrade
* remove gsoc docs

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>
2020-12-17 15:00:29 +01:00
Pavel Tumik fbd04896c2
Add ability to upload logical backup to gcs (#1173)
Support logical backup provider/storage S3 and GCS equivalent
2020-12-16 10:41:08 +01:00
Felix Kunde 83fbccac5a
new env var for backwards compatability between spilo 12 and 13 (#1254) 2020-12-14 18:43:53 +01:00
Felix Kunde 6a97316a69
Support inherited annotations for all major objects (#1236)
* add comments where inherited annotations could be added

* add inheritedAnnotations feature

* return nil if no annotations are set

* minor changes

* first downscaler then inherited annotations

* add unit test for inherited annotations

* add pvc to test + minor changes

* missing comma

* fix nil map assignment

* set annotations in the same order it is done in other places

* replace acidClientSet with acid getters in K8s client

* more fixes on clientSet vs getters

* minor changes

* remove endpoints from annotation test

* refine unit test - but deployment and sts are still empty

* fix checkinng sts and deployment

* make annotations setter one liners

* no need for len check anymore

Co-authored-by: Rafia Sabih <rafia.sabih@zalando.de>
2020-12-11 16:34:01 +01:00
Jan Mussler 549f71bb49
Support EBS gp2 to gp3 migration on sync for below 1tb volumes (#1242)
* initial commit for gp3 migration.

* Default volume migration done.

* Added Gomock and one test case with mock.

* Dep update.

* more changes for code gen.

* push fake package.

* Rename var.

* Changes to Makefile and return value.

* Macke mocks phony due to overlap in foldername.

* Learning as one goes. Initialize map.

* Wrong toggle.

* Expect modify call.

* Fix mapping of ids in test.

* Fix volume id.

* volume ids.

* Fixing test setup. Late night...

* create all pvs.

* Fix test case config.

* store volumes and compare.

* More logs.

* Logging of migration action.

* Ensure to log errors.

* Log warning if modify failed, e.g. due to ebs volume state.

* Add more output.

* Skip local e2e tests.

* Reflect k8s volume id in test data. Extract aws volume id from k8s value.

* Finalizing ebs migration.

* More logs. describe fails.

* Fix non existing fields in gp2 discovery.

* Remove nothing to do flag for migration.

* Final commit for migration.

* add new options to all places

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>
2020-12-11 15:52:32 +01:00
Sergey Dudoladov dc9a5b1e61
Introduce PGVERSION (#1172)
* introduce PGVERSION

Co-authored-by: Sergey Dudoladov <sergey.dudoladov@zalando.de>
2020-11-27 18:49:49 +01:00
Felix Kunde 9a11e85d57
disable PostgresTeam by default (#1186)
* disable PostgresTeam by default

* fix version in chart
2020-10-28 17:51:37 +01:00
Felix Kunde d658b9672e
PostgresTeam CRD for advanced team management (#1165)
* PostgresTeamCRD for advanced team management

* rework internal structure to be closer to CRD

* superusers instead of admin

* add more util functions and unit tests

* fix initHumanUsers

* check for superusers when creating normal teams

* polishing and fixes

* adding the essential missing pieces

* add documentation and update rbac

* reflect some feedback

* reflect more feedback

* fixing debug logs and raise QueueResyncPeriodTPR

* add two more flags to disable CRD and its superuser support

* fix chart

* update go modules

* move to client 1.19.3 and update codegen
2020-10-28 10:40:10 +01:00
Rico Berger d09e418b56
Set user and group in security context (#1083)
* Set user and group in security context
2020-09-15 13:27:59 +02:00
Igor Yanchenko d8884a4003
Allow to overwrite default ExternalTrafficPolicy for the service (#1136)
* Allow to overwrite default ExternalTrafficPolicy for the service
2020-09-15 13:19:22 +02:00
Felix Kunde 3ddc56e5b9
allow delete only if annotations meet configured criteria (#1069)
* define annotations for delete protection

* change log level and reduce log lines for e2e tests

* reduce wait_for_pod_start even further
2020-08-13 16:36:22 +02:00
Dmitry Dolgov 7cf2fae6df
[WIP] Extend infrastructure roles handling (#1064)
Extend infrastructure roles handling

Postgres Operator uses infrastructure roles to provide access to a database for
external users e.g. for monitoring purposes. Such infrastructure roles are
expected to be present in the form of k8s secrets with the following content:

    inrole1: some_encrypted_role
    password1: some_encrypted_password
    user1: some_entrypted_name

    inrole2: some_encrypted_role
    password2: some_encrypted_password
    user2: some_entrypted_name

The format of this content is implied implicitly and not flexible enough. In
case if we do not have possibility to change the format of a secret we want to
use in the Operator, we need to recreate it in this format.

To address this lets make the format of secret content explicitly. The idea is
to introduce a new configuration option for the Operator.

    infrastructure_roles_secrets:
    - secretname: k8s_secret_name
      userkey: some_encrypted_name
      passwordkey: some_encrypted_password
      rolekey: some_encrypted_role

    - secretname: k8s_secret_name
      userkey: some_encrypted_name
      passwordkey: some_encrypted_password
      rolekey: some_encrypted_role

This would allow Operator to use any avalable secrets to prepare infrastructure
roles. To make it backward compatible simulate the old behaviour if the new
option is not present.

The new configuration option is intended be used mainly from CRD, but it's also
available via Operator ConfigMap in a limited fashion. For ConfigMap one can
put there only a string with one secret definition in the following format (as
a string):

    infrastructure_roles_secrets: |
        secretname: k8s_secret_name,
        userkey: some_encrypted_name,
        passwordkey: some_encrypted_password,
        rolekey: some_encrypted_role

Note than only one secret could be specified this way, no multiple secrets are
allowed.

Eventually the resulting list of infrastructure roles would be a total sum of
all supported ways to describe it, namely legacy via
infrastructure_roles_secret_name and infrastructure_roles_secrets from both
ConfigMap and CRD.
2020-08-05 14:18:56 +02:00
Christian Rohmann ece341d516
Allow pod environment variables to also be sourced from a secret (#946)
* Extend operator configuration to allow for a pod_environment_secret just like pod_environment_configmap

* Add all keys from PodEnvironmentSecrets as ENV vars (using SecretKeyRef to protect the value)

* Apply envVars from pod_environment_configmap and pod_environment_secrets before doing the global settings from the operator config. This allows them to be overriden by the user (via configmap / secret)

* Add ability use a Secret for custom pod envVars (via pod_environment_secret) to admin documentation

* Add pod_environment_secret to Helm chart values.yaml

* Add unit tests for PodEnvironmentConfigMap and PodEnvironmentSecret - highly inspired by @kupson and his very similar PR #481

* Added new parameter pod_environment_secret to operatorconfig CRD and configmap examples

* Add pod_environment_secret to the operationconfiguration CRD

Co-authored-by: Christian Rohmann <christian.rohmann@inovex.de>
2020-07-30 10:48:16 +02:00
Igor Yanchenko 88735a798a
Resize volume by changing pvc size if enabled in config. (#958)
* Try to resize pvc if resizing pv has failed

* added config option to switch between storage resize strategies

* changes according to requests

* Update pkg/controller/operator_config.go

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>

* enable_storage_resize documented

added examples to the default configuration and helm value files

* enable_storage_resize renamed to volume_resize_mode, off by default

* volume_resize_mode renamed to storage_resize_mode

* Update pkg/apis/acid.zalan.do/v1/crds.go

* pkg/cluster/volumes.go updated

* Update docs/reference/operator_parameters.md

* Update manifests/postgresql-operator-default-configuration.yaml

* Update pkg/controller/operator_config.go

* Update pkg/util/config/config.go

* Update charts/postgres-operator/values-crd.yaml

* Update charts/postgres-operator/values.yaml

* Update docs/reference/operator_parameters.md

* added logging if no changes required

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>
2020-07-03 10:53:37 +02:00
Felix Kunde 3c352fb460
bump pooler image and more coalescing for CRD config (#1004)
Co-authored-by: Felix Kunde <felix.kunde@zalando.de>
2020-06-05 11:14:17 +02:00
alfredw33 2b0def5bc8
Support for GCS WAL-E backups (#620)
* Support for WAL_GS_BUCKET and GOOGLE_APPLICATION_CREDENTIALS environtment variables

* Fixed merge issue but also removed all changes to support macos.

* Updated test to new format

* Missed macos specific changes

* Added documentation and addressed comments

* Update docs/administrator.md

* Update docs/administrator.md

* Update e2e/run.sh

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>
2020-06-03 17:33:48 +02:00
Felix Kunde bb3d2fa678
Bump v1.5.0 (#954)
* bump to v1.5.0

* update helm charts and docs

* update helm charts and packages

* update images for spilo, logical-backup and pooler
2020-05-05 12:52:54 +02:00
Felix Kunde 76d43525f7
define more default values for opConfig CRD (#955) 2020-05-04 16:23:21 +02:00
Rafia Sabih d52296c323
Propagate annotations to the StatefulSet (#932)
* Initial commit

* Corrections

- set the type of the new  configuration parameter to be array of
  strings
- propagate the annotations to statefulset at sync

* Enable regular expression matching

* Improvements

-handle rollingUpdate flag
-modularize code
-rename config parameter name

* fix merge error

* Pass annotations to connection pooler deployment

* update code-gen

* Add documentation and update manifests

* add e2e test and introduce option in configmap

* fix service annotations test

* Add unit test

* fix e2e tests

* better key lookup of annotations tests

* add debug message for annotation tests

* Fix typos

* minor fix for looping

* Handle update path and renaming

- handle the update path to update sts and connection pooler deployment.
  This way no need to wait for sync
- rename the parameter to downscaler_annotations
- handle other review comments

* another try to fix python loops

* Avoid unneccessary update events

* Update manifests

* some final polishing

* fix cluster_test after polishing

Co-authored-by: Rafia Sabih <rafia.sabih@zalando.de>
Co-authored-by: Felix Kunde <felix-kunde@gmx.de>
2020-05-04 14:46:56 +02:00
Sergey Dudoladov cc635a02e3
Lazy upgrade of the Spilo image (#859)
* initial implementation

* describe forcing the rolling upgrade

* make parameter name more descriptive

* add missing pieces

* address review

* address review

* fix bug in e2e tests

* fix cluster name label in e2e test

* raise test timeout

* load spilo test image

* use available spilo image

* delete replica pod for lazy update test

* fix e2e

* fix e2e with a vengeance

* lets wait for another 30m

* print pod name in error msg

* print pod name in error msg 2

* raise timeout, comment other tests

* subsequent updates of config

* add comma

* fix e2e test

* run unit tests before e2e

* remove conflicting dependency

* Revert "remove conflicting dependency"

This reverts commit 65fc09054b.

* improve cdp build

* dont run unit before e2e tests

* Revert "improve cdp build"

This reverts commit e2a8fa12aa.

Co-authored-by: Sergey Dudoladov <sergey.dudoladov@zalando.de>
Co-authored-by: Felix Kunde <felix-kunde@gmx.de>
2020-04-29 10:07:14 +02:00
Björn Fischer 168abfe37b
Fully speced global sidecars (#890)
* implement fully speced global sidecars

* fix issue #924
2020-04-27 17:40:22 +02:00
Dmitry Dolgov a1f2bd05b9
Prevent superuser from being a connection pool user (#906)
* Protected and system users can't be a connection pool user

It's not supported, neither it's a best practice. Also fix potential null
pointer access. For protected users it makes sense by intent of protecting this
users (e.g. from being overriden or used as something else than supposed). For
system users the reason is the same as for superuser, it's about replicastion
user and it's under patroni control.

This is implemented on both levels, operator config and postgresql manifest.
For the latter we just use default name in this case, assuming that operator
config is always correct. For the former, since it's a serious
misconfiguration, operator panics.
2020-04-09 09:21:45 +02:00
ReSearchITEng 1249626a60
kubernetes_use_configmap (#887)
* kubernetes_use_configmap

* Update manifests/postgresql-operator-default-configuration.yaml

Co-Authored-By: Felix Kunde <felix-kunde@gmx.de>

* Update manifests/configmap.yaml

Co-Authored-By: Felix Kunde <felix-kunde@gmx.de>

* Update charts/postgres-operator/values.yaml

Co-Authored-By: Felix Kunde <felix-kunde@gmx.de>

* go.fmt

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>
2020-04-02 13:20:45 +02:00
Felix Kunde b43b22dfcc
Call me pooler, not pool (#883)
* rename pooler parts and add example to manifest
* update codegen
* fix manifest and add more details to docs
* reflect renaming also in e2e tests
2020-04-01 10:34:03 +02:00
Felix Kunde 66f2cda87f
Move operator to go 1.14 (#882)
* update go modules march 2020
* update to GO 1.14
* reflect k8s client API changes
2020-03-30 15:50:17 +02:00
Dmitry Dolgov 9dfa433363
Connection pooler (#799)
Connection pooler support

Add support for a connection pooler. The idea is to make it generic enough to
be able to switch between different implementations (e.g. pgbouncer or
odyssey). Operator needs to create a deployment with pooler and a service for
it to access.

For connection pool to work properly, a database needs to be prepared by
operator, namely a separate user have to be created with an access to an
installed lookup function (to fetch credential for other users).

This setups is supposed to be used only by robot/application users. Usually a
connection pool implementation is more CPU bounded, so it makes sense to create
several pods for connection pool with more emphasize on cpu resources. At the
moment there are no special affinity or tolerations assigned to bring those
pods closer to the database. For availability purposes minimal number of
connection pool pods is 2, ideally they have to be distributed between
different nodes/AZ, but it's not enforced in the operator itself. Available
configuration supposed to be ergonomic and in the normal case require minimum
changes to a manifest to enable connection pool. To have more control over the
configuration and functionality on the pool side one can customize the
corresponding docker image.

Co-authored-by: Felix Kunde <felix-kunde@gmx.de>
2020-03-25 12:57:26 +01:00
Dmitry Dolgov d666c52172
ClusterDomain default (#863)
* add json:omitempty option to ClusterDomain

* Add default value for ClusterDomain

Unfortunately, omitempty in operator configuration CRD doesn't mean that
defauls from operator config object will be picked up automatically.
Make sure that ClusterDomain default is specified, so that even when
someone will set cluster_domain = "", it will be overwritted with a
default value.

Co-authored-by: mlu42 <mlu42pro@gmail.com>
2020-03-13 11:51:39 +01:00
Fredrik Østrem 00f00af2e8
Fix MasterPodMoveTimeout field that cannot be unmarshalled (#816)
* Update operator_configuration_type.go

* Update operator_config.go
2020-02-11 17:16:38 +01:00
Vito Botta a660d758a5 Add region setting for logical backups to non-AWS storage (#813)
* Add region setting for logical backups to non-AWS storage
2020-02-10 11:48:24 +01:00
Felix Kunde 1f0312a014
make minimum limits boundaries configurable (#808)
* make minimum limits boundaries configurable
* add e2e test
2020-02-03 11:43:18 +01:00
Felix Kunde 107334fe71
Add global option to enable/disable init containers and sidecars (#478)
* Add global option to enable/disable init containers and sidecars
* update dependencies
2019-12-10 15:45:54 +01:00
Felix Kunde a3b34f146f
Add CRD validation (#599)
* add CRD manifests with validation
* update documentation
* patroni slots is not an array but a nested hash map
* make deps call tools
* cover validation in docs and export it in crds.go
* add toggle to disable creation of CRD validation and document it
* use templated service account also for CRD-configured helm deployment
2019-11-28 12:02:05 +01:00
Armin Nesiren 5f87384d7f Passing endpoint, access and secret key to logical-backup container (#628)
* Added possibility to add custom annotations to LoadBalancer service.

* Added parameters for custom endpoint, access and secret key for logical backup.

* Modified dump.sh so it knows how to handle new features. Configurable S3 SSE
2019-11-26 10:40:49 +01:00
Thomas Runyon 535517cd1b Custom annotations 329 (#657)
* Add ability for custom annotations to database pods
2019-11-11 10:45:35 +01:00
Felix Kunde 7c19cf50db
align config map, operator config, helm chart values and templates (#595)
* align config map, operator config, helm chart values and templates
* follow helm chart conventions also in CRD templates
* split up values files and add comments
* avoid yaml confusion in postgres manifests
* bump spilo version and use example for logical_backup_s3_bucket
* add ConfigTarget switch to values
2019-07-08 17:49:25 +02:00
Felix Kunde 36003b8264
enable shmVolume setting in OperatorConfiguration (#605)
* enable shmVolume setting in OperatorConfiguration
2019-07-05 16:48:37 +02:00
Markus 93bfed3e75 Add secret mount to operator (#535)
* add secret mount to operator
2019-06-19 12:40:49 +02:00
Felix Kunde 6918394562
Add PDB configuration toggle (#583)
* Don't create an impossible disruption budget for smaller clusters.
* sync PDB also on update
2019-06-18 10:48:21 +02:00
Aaron Miller ec5b1d4d58 StatefulSet fsGroup config option to allow non-root spilo (#531)
* StatefulSet fsGroup config option to allow non-root spilo

* Allow Postgres CRD to overide SpiloFSGroup of the Operator.

* Document FSGroup of a Pod cannot be changed after creation.
2019-06-04 16:38:26 +02:00
Erik Inge Bolsø ebda39368e database.go: remove hardcoded .svc.cluster.local dns suffix (#561)
* database.go: substitute hardcoded .svc.cluster.local dns suffix with config parameter

Use the pod's configured dns search path, for clusters where .svc.cluster.local is not correct.
2019-05-31 16:32:00 +02:00
Sergey Dudoladov f3e1e80aaf
Add logical backup (#442)
* Add k8s cron job to spawn logical backups

* Minor doc updates
2019-05-16 15:52:01 +02:00
Sergey Dudoladov c1d108a832
Fix CRD-based operator configuration (#541)
* Fix CRD-based operator configuration

* add inherited labels, update docker image
2019-04-15 13:52:38 +02:00
Aaron Miller 15ec6a920d Config option to allow Spilo container to run non-privileged. (#525)
* Config option to allow Spilo container to run non-privileged.

Runs non-privileged by default.

Fixes #395

* add spilo_privileged to manifests/configmap.yaml

* add spilo_privileged to helm chart's values.yaml
2019-04-03 17:13:39 +02:00
Vineeth Reddy db72d82f14 gofmt and golint fixes (#506)
* fix gofmt and golint issues
2019-03-04 13:13:55 +01:00
Sergey Dudoladov f400539b69
Retry moving master pods (#463)
* Retry moving master pods

* bump up master pod wait timeout
2019-02-28 16:19:27 +01:00
Felix Kunde 31e568157b reflect change in github url (#496)
Project was moved from the incubator to the Zalando main org, hence the rename
2019-02-25 11:26:55 +01:00
teuto.net Netzdienste GmbH 26a7fdfa9f Add Pod Anti Affinity (#489)
* Add Pod Anti Affinity
2019-02-21 16:37:03 +01:00
Stephane T d11b23bd71 Add inherited_labels (#459)
* add support for inherited_labels

Signed-off-by: Stephane Tang <hi@stang.sh>

* update docs with inherited_labels

Signed-off-by: Stephane Tang <hi@stang.sh>
2019-02-14 12:29:06 +01:00
Rafał Kupka ba23de3d17 Pass PodEnvironmentConfigMap (#477) 2019-02-04 12:24:49 +01:00
Armin Nesiren 6f6a599c90 Added possibility to add custom annotations to LoadBalancer service. (#461)
* Added possibility to add custom annotations to LoadBalancer service.
2019-01-25 11:35:27 +01:00
zerg-junior 45c89b3da4
[WIP] Add set_memory_request_to_limit option (#406)
* Add set_memory_request_to_limit option
2018-11-15 14:00:08 +01:00
zerg-junior 25fa45fd58 [WIP] Grant 'superuser' to the members of Postgres admin teams (#371)
Added support for superuser team in addition to the admin team that owns the postgres cluster.
2018-08-30 10:51:37 +02:00
Oleksii Kliukin e1ed4b847d
Use code-generation for CRD API and deepcopy methods (#369)
Client-go provides a https://github.com/kubernetes/code-generator package in order to provide the API to work with CRDs similar to the one available for built-in types, i.e. Pods, Statefulsets and so on.

Use this package to generate deepcopy methods (required for CRDs), instead of using an external deepcopy package; we also generate APIs used to manipulate both Postgres and OperatorConfiguration CRDs, as well as informers and listers for the Postgres CRD, instead of using generic informers and CRD REST API; by using generated code we can get rid of some custom and obscure CRD-related code and use a better API.

All generated code resides in /pkg/generated, with an exception of zz_deepcopy.go in apis/acid.zalan.do/v1

Rename postgres-operator-configuration CRD to OperatorConfiguration, since the former broke naming convention in the code-generator.

Moved Postgresql, PostgresqlList, OperatorConfiguration and OperatorConfigurationList and other types used by them into

Change the type of  the Error field in the Postgresql crd to a string, so that client-go could generate a deepcopy for it.

Use generated code to set status of CRD objects as well. Right now this is done with patch, however, Kubernetes 1.11 introduces the /status subresources, allowing us to set the status with
the special updateStatus call in the future. For now, we keep the code that is compatible with earlier versions of Kubernetes.

Rename postgresql.go to database.go and status.go to logs_and_api.go to reflect the purpose of each of those files.

Update client-go dependencies.

Minor reformatting and renaming.
2018-08-15 17:22:25 +02:00
Oleksii Kliukin 59f0c5551e
Allow configuring pod priority globally and per cluster. (#353)
* Allow configuring pod priority globally and per cluster.

Allow to specify pod priority class for all pods managed by the operator,
as well as for those belonging to individual clusters.

Controlled by the pod_priority_class_name operator configuration
parameter and the podPriorityClassName manifest option.

See https://kubernetes.io/docs/concepts/configuration/pod-priority-preemption/#priorityclass
for the explanation on how to define priority classes since Kubernetes 1.8.

Some import order changes are due to go fmt.
Removal of OrphanDependents deprecated field.

Code review by @zerg-junior
2018-08-03 14:03:37 +02:00
Oleksii Kliukin 0181a1b5b1
Introduce a repair scan to fix failing clusters (#304)
A repair is a sync scan that acts only on those clusters that indicate
that the last add, update or sync operation on them has failed. It is
supposed to kick in more frequently than the repair scan. The repair
scan still remains to be useful to fix the consequences of external
actions (i.e. someone deletes a postgres-related service by mistake)
unbeknownst to the operator.

The repair scan is controlled by the new repair_period parameter in the
operator configuration. It has to be at least 2 times more frequent than
a sync scan to have any effect (a normal sync scan will update both last
synced and last repaired attributes of the controller, since repair is
just a sync underneath).

A repair scan could be queued for a cluster that is already being synced
if the sync period exceeds the interval between repairs. In that case a
repair event will be discarded once the corresponding worker finds out
that the cluster is not failing anymore.

Review by @zerg-junior
2018-07-24 11:21:45 +02:00
zerg-junior 417f13c0bd
Submit RBAC credentials during initial Event processing (#344)
* During initial Event processing submit the service account for pods and bind it to a cluster role that allows Patroni to successfully start. The cluster role is assumed to be created by the k8s cluster administrator.
2018-07-19 16:40:40 +02:00
Oleksii Kliukin 3a9378d3b8
Allow configuring the operator via the YAML manifest. (#326)
* Up until now, the operator read its own configuration from the
configmap.  That has a number of limitations, i.e. when the
configuration value is not a scalar, but a map or a list. We use a
custom code based on github.com/kelseyhightower/envconfig to decode
non-scalar values out of plain text keys, but that breaks when the data
inside the keys contains both YAML-special elememtns (i.e. commas) and
complex quotes, one good example for that is search_path inside
`team_api_role_configuration`. In addition, reliance on the configmap
forced a flag structure on the configuration, making it hard to write
and to read (see
https://github.com/zalando-incubator/postgres-operator/pull/308#issuecomment-395131778).

The changes allow to supply the operator configuration in a proper YAML
file. That required registering a custom CRD to support the operator
configuration and provide an example at
manifests/postgresql-operator-default-configuration.yaml. At the moment,
both old configmap and the new CRD configuration is supported, so no
compatibility issues, however, in the future I'd like to deprecate the
configmap-based configuration altogether. Contrary to the
configmap-based configuration, the CRD one doesn't embed defaults into
the operator code, however, one can use the
manifests/postgresql-operator-default-configuration.yaml as a starting
point in order to build a custom configuration.

Since previously `ReadyWaitInterval` and `ReadyWaitTimeout` parameters
used to create the CRD were taken from the operator configuration, which
is not possible if the configuration itself is stored in the CRD object,
I've added the ability to specify them as environment variables
`CRD_READY_WAIT_INTERVAL` and `CRD_READY_WAIT_TIMEOUT` respectively.

Per review by @zerg-junior  and  @Jan-M.
2018-07-16 16:20:46 +02:00