Bug 1362493
Summary: | pcs does not support rsc-pattern in location constraints | ||||||
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Product: | Red Hat Enterprise Linux 7 | Reporter: | Tomas Jelinek <tojeline> | ||||
Component: | pcs | Assignee: | Tomas Jelinek <tojeline> | ||||
Status: | CLOSED ERRATA | QA Contact: | cluster-qe <cluster-qe> | ||||
Severity: | unspecified | Docs Contact: | Steven J. Levine <slevine> | ||||
Priority: | high | ||||||
Version: | 7.3 | CC: | cfeist, cluster-maint, fdinitto, idevat, jpokorny, omular, royoung, rsteiger, tojeline | ||||
Target Milestone: | rc | Keywords: | FutureFeature | ||||
Target Release: | --- | ||||||
Hardware: | Unspecified | ||||||
OS: | Unspecified | ||||||
Whiteboard: | |||||||
Fixed In Version: | pcs-0.9.157-1.el7 | Doc Type: | Release Note | ||||
Doc Text: |
Support for regular expressions in `pcs` command line when configuring location constraints
`pcs` now supports regular expressions in location constraints on the command line. These constraints apply to multiple resources based on the regular expression matching resource name. This simplifies cluster management as one constraint may be used where several were needed before.
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Story Points: | --- | ||||
Clone Of: | |||||||
: | 1424387 (view as bug list) | Environment: | |||||
Last Closed: | 2017-08-01 18:22:57 UTC | Type: | Bug | ||||
Regression: | --- | Mount Type: | --- | ||||
Documentation: | --- | CRM: | |||||
Verified Versions: | Category: | --- | |||||
oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |||||
Cloudforms Team: | --- | Target Upstream Version: | |||||
Embargoed: | |||||||
Bug Depends On: | |||||||
Bug Blocks: | 1424387 | ||||||
Attachments: |
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Description
Tomas Jelinek
2016-08-02 11:11:43 UTC
"rsc-pattern" is supported since validate-with=pacemaker-2.6 Created attachment 1254330 [details]
proposed fix
Tests are included in the patch.
After Fix: [vm-rhel72-1 ~] $ rpm -q pcs pcs-0.9.157-1.el7.x86_64 Setup: pcs resource create R ocf:heartbeat:Dummy 1) [vm-rhel72-1 ~] $ pcs constraint location %R prefers vm-rhel72-1 [vm-rhel72-1 ~] $ pcs cluster cib|grep "rsc_location" -B1 -A1 <constraints> <rsc_location id="location-R-vm-rhel72-1-INFINITY" node="vm-rhel72-1" rsc="R" score="INFINITY"/> </constraints> [vm-rhel72-1 ~] $ pcs constraint remove location-R-vm-rhel72-1-INFINITY 2) [vm-rhel72-1 ~] $ pcs constraint location resource%R prefers vm-rhel72-1 [vm-rhel72-1 ~] $ pcs cluster cib|grep "rsc_location" -B1 -A1 <constraints> <rsc_location id="location-R-vm-rhel72-1-INFINITY" node="vm-rhel72-1" rsc="R" score="INFINITY"/> </constraints> [vm-rhel72-1 ~] $ pcs constraint remove location-R-vm-rhel72-1-INFINITY 3) [vm-rhel72-1 ~] $ pcs constraint location regexp%res_[0-9] prefers node1 [vm-rhel72-1 ~] $ pcs cluster cib|grep "rsc_location" -B1 -A1 <constraints> <rsc_location id="location-res_0-9-node1-INFINITY" node="node1" rsc-pattern="res_[0-9]" score="INFINITY"/> </constraints> [vm-rhel72-1 ~] $ pcs constraint remove location-res_0-9-node1-INFINITY 4) [vm-rhel72-1 ~] $ pcs constraint location "regexp%res_[0-9]" avoids node1 [vm-rhel72-1 ~] $ pcs cluster cib|grep "rsc_location" -B1 -A1 <constraints> <rsc_location id="location-res_0-9-node1--INFINITY" node="node1" rsc-pattern="res_[0-9]" score="-INFINITY"/> </constraints> [vm-rhel72-1 ~] $ pcs constraint remove location-res_0-9-node1--INFINITY 5) [vm-rhel72-1 ~] $ pcs constraint location add my-id "regexp%res_[0-9]" node1 INFINITY [vm-rhel72-1 ~] $ pcs cluster cib|grep "rsc_location" -B1 -A1 <constraints> <rsc_location id="my-id" node="node1" rsc-pattern="res_[0-9]" score="INFINITY"/> </constraints> [vm-rhel72-1 ~] $ pcs constraint remove my-id 6) [vm-rhel72-1 ~] $ pcs constraint location "regexp%res_[0-9]" rule '#uname' eq node1 [vm-rhel72-1 ~] $ pcs cluster cib|grep "<rsc_location" -B1 -A5 <constraints> <rsc_location id="location-res_0-9" rsc-pattern="res_[0-9]"> <rule id="location-res_0-9-rule" score="INFINITY"> <expression attribute="#uname" id="location-res_0-9-rule-expr" operation="eq" value="node1"/> </rule> </rsc_location> </constraints> [vm-rhel72-1 ~] $ pcs constraint remove location-res_0-9 Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://access.redhat.com/errata/RHBA-2017:1958 |