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Sveta Smirnova 03ab27228f PT 2105 collect individual logs (#558 )

* PT-2105 - Collect individual log files for PXC

Combined log files are hard to read by humans. Since pt-k8-debug-collector is the tool that
accesses data from the running pods, it can copy raw log files, necessary for troubleshooting PXC issues.
So, in addition to collecting logs.txt, this adds method getIndividualFiles for the Dumper that
reads individual files from PXC pods and stores them in the resulting archive.

Additionally, this commit fixes invalid timestamps in the resulting archive.

* PT-2105 - added support for non-default namespaces

* PT-2105 Let pt-k8-debug-collector to collect individual logs in PXC pods

Added test case for this new collection.

* Update go.mod

Co-authored-by: Viacheslav Sarzhan <slava.sarzhan@percona.com>

Co-authored-by: Viacheslav Sarzhan <slava.sarzhan@percona.com>

2022-11-17 19:32:19 +03:00

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Debug collector tool

Collects debug data (logs, resource statuses etc.) from a k8s/OpenShift cluster. Data is packed into the cluster-dump.tar.gz archive in the current working directory.

Data that will be collected

Data, collected for all resources

"pods",
"replicasets",
"deployments",
"statefulsets",
"replicationcontrollers",
"events",
"configmaps",
"cronjobs",
"jobs",
"podsecuritypolicies",
"poddisruptionbudgets",
"perconaxtradbbackups",
"perconaxtradbclusterbackups",
"perconaxtradbclusterrestores",
"perconaxtradbclusters",
"clusterrolebindings",
"clusterroles",
"rolebindings",
"roles",
"storageclasses",
"persistentvolumeclaims",
"persistentvolumes",
"modes",
"your-custom-resource" (depends on 'resource' flag)

Data, collected for PXC

"perconaxtradbbackups",
"perconaxtradbclusterbackups",
"perconaxtradbclusterrestores",
"perconaxtradbclusters"

Individual files, collected for PXC

"var/lib/mysql/mysqld-error.log",
"var/lib/mysql/innobackup.backup.log",
"var/lib/mysql/innobackup.move.log",
"var/lib/mysql/innobackup.prepare.log",
"var/lib/mysql/grastate.dat",
"var/lib/mysql/gvwstate.dat",
"var/lib/mysql/mysqld.post.processing.log",
"var/lib/mysql/auto.cnf"

Data, collected for MongoDB

"perconaservermongodbbackups",
"perconaservermongodbrestores",
"perconaservermongodbs"

Usage

pt-k8s-debug-collector <flags>

Flags:

--resource targeted custom resource name (default "pxc")

--namespace targeted namespace. By default, data will be collected from all namespaces

--cluster targeted pxc/psmdb cluster. By default, data from all available clusters to be collected

Requirements

Installed and configured 'kubectl'
Installed and configured 'pt-mysql-summary'
Installed and configured 'pt-mongodb-summary'

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