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2018-08-10Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - add openstack-exporter uninstallation Since openstack-exporter has been added, the uninstallation should also be supported Change-Id: I9f2bfc44d04ace53a722b42897053c1a54cc6258 Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 61467d8cb860cd3e3aebe64b5dc09813052ddc87)
2018-07-31Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - bug-fix: error function causes script quit Change-Id: Ib56e7e99a16d76768c2167917bb4c732cf0af13f Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 09df92d801b68dc42d7b9e39e3c718988b0c01c6)
2018-07-31Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - bug-fix: node-exporter on centos7 isolated with host net Node-exporter container need to be isolated with host net to make the port mapping work. Change-Id: Id04ad458ea56ef4080bba8346a7a1bf034956e0d Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 738adfa7ad0f7ef8d9d2d6c60153c0d97008caaf)
2018-07-31Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - bug-fix: fix command option for installing monitor Change-Id: Ie3e5d64caacaece6a9ae6c7846d3f82b5440c4fd Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 248a51ac76abca98e91efeb11bb21c074b19175b)
2018-07-28Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - bug-fix: insecure option for quota setting JIRA: BOTTLENECK-240 Setting quotas will raise exception if either of insecure and os_cacert are not set. It is not resonable. Change-Id: Ie97f0580624a6d539e9c4cfe799714090a288487 Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 2822554647c906a1bdaa0b1661cbd8416e2fd7ef)
2018-07-19Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - add support for dpdk scenario Dovetail test ran by bii shows that dpdk var needed to be set to let VM be successfully created by openstack Change-Id: I44ab09f313e38942ff1175ad05fc7521f49b855b Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit b928421d61a01f819bd0f059b1c3b0463dfd5d6f)
2018-07-18Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - update release note for fraser 6.2 Change-Id: Ifcafaa6df33b654d8a62a2b5d179701737e12fdc Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit b7a10fea892cc43b58ca9b48ca2a754b859b066d)
2018-07-18Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Adjust the doc for stess ping test Some changes of stess ping test have been made for Dovetail. The patch is to adjust the doc to the new changes. Change-Id: I7c6c6fb0f1f60849ec440068fabdf601d76655f1 Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 5863f141195f79e53c3e70fc62e1593cdc4e6800)
2018-07-18Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Delete unmaintained/useless tests Change-Id: I0c0606befb4e53fb503d9e5fcbf7d3bdf2237824 Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 857d64c56d918f7925e65cfc7e49dbe391454864)
2018-07-13Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Change OS exporter 1. The name of prometheus OS exporter is too long messing up the display of docker ps. 2. Add version management of the exporter Change-Id: I3b634f2b3a274935ef27c0bcddeae3900170aebe Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 42a6613ff51c20c90f5c81348943f3de50f4b21c)
2018-06-29Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Modify ping test threshold Change the threshold to 5 VM pairs for basic common OPNFV verification requirements from Dovetail. Currently, offline test over apex pass: 1. ping subtest1: https://gist.github.com/gabrielyuyang/764b7ee636ac5502d5e561a348ae909b 2. ping subtest2: https://gist.github.com/gabrielyuyang/af17905a7e2379e870f492ea393c54c0 Working on testig over compass, trying to deploy a compass first. We could also see the result from compass on CI after this patch be merged. Results in Dovetial CI will also be updated then. Change-Id: If2cfe9988c046d733b30a23de3cd569ed06496e6 Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 62feef57918f110d423961a3989f77cf815058c6)
2018-06-21Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Add sudo to docker It seems sudo is not included in Bottlenecks docker. This patch is to fix it. Change-Id: Icb3c09acb877acfc4817b2aa67689045846c716d Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 76619a3824f213715e012fdb23df64b079a4ff48)
2018-06-15Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Update Dockerfile 1. Openstack command lines keep poping up warnings which cause reading comand results wrongly. 2. Update the ubuntu version and packages to remove redundance which is a historical debt. Change-Id: I3cdb7a9ec3f0bc41ecfe5b8bf9d44878485de40f Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 0ea5233caabae215afb0769194a87f32a430fa2d)
2018-05-31Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Change the function imposed on instances/tasks The number of instances/tasks should be cumulated instead of averaging. Change-Id: If63244ea086de8ba6a74865e5bad23feec01b3d6 Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit f6ca90e950a3b007b118cad702616267fab91916)
2018-05-28Update git submodulesYu Yang (Gabriel)1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Merge "Adapt monitoring install to apex" into stable/fraser - Adapt monitoring install to apex To let the installation be adapted to Apex and Centos Change-Id: If779bab1badbd2f0ad9e0a5054e082e49b7d6238 Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 5b78e737e9656ecc7d1b1856ce9aec2bd48459bd)
2018-05-28Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - adaption to installers/pod configs Change-Id: I1083c96229a8d79bc9cf1bee4aa00de6aeae9d14 Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit c3b0e55865fc143757d87bf60ef8c49e72e90f7e)
2018-05-25Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - add openstack-export support add openstack-exporter and enable ovs plugin in Barometer Changes: 1. Add openstack-exporter docker 2. Add opnestack grafana dashboard Change-Id: Ifd3416ad1dc48075e98c190b2048c7760f686bcb Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit b1b458428b644e0df7957e3137bc75d658d68ab1)
2018-05-21Update git submodulesYang (Gabriel) Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - bug-fix: idenity env not defined OS_TENANT_NAME is wrongly used in getting openstack project information and is deprecated in keystone v3. Use OS_PROJECT_NAME to fix Change-Id: I941c612989ea5373ccf8a9d2e88ebd3eabcece73 Signed-off-by: Yang (Gabriel) Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 265d35dd56247e855002c05cc4f11b39514700c5)
2018-05-11Update git submodulesYu Yang (Gabriel)1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Merge "Add monitor dir to unit test" into stable/fraser - Add monitor dir to unit test Change-Id: I5a1540e4f176ea978a712a06040c297373526815 Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 8093071fbc4314e0675c3daf2100d8ce9ee44b98)
2018-05-11Update git submodulesYu Yang (Gabriel)1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Merge "Add unstall script to monitoring" into stable/fraser - Add unstall script to monitoring Change-Id: Ia78ede2747fe0be05b4421d67fd1dae022afc30f Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 84bcb14fb14401d83e82e00bb13a213f9ecaa923)
2018-05-11Update git submodulesYu Yang (Gabriel)1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Merge "bug-fix: fix key error in soak throughputs CI" into stable/fraser - bug-fix: fix key error in soak throughputs CI In the redundant information deleting patch, results of each thread running is removed from message Queue resulting in counting the overall success threads in error status Change-Id: I3d12ddcc3ef996fca509741544a0f088428e948e Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 68b91c0679550efe005278f8689b57bf14092ee1)
2018-05-11Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Add/modify the Grafana Dashboard Adding/modify metrics and structure of dashboard for Long Duration Test Change-Id: I4d1f169b7aa1e0f906e09fae13010ad3b8b49038 Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 8d5e2fff2f9800942cf7f2c8a15b648ba3c76a16)
2018-05-03Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Restructure monitoring scripts Restructure the monitoring scripts and modify the scripts to remove the redundance Change-Id: Ib4a5d7bea2dc455ec03ad61780b6caf06831daa8 Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit cb67313c1e14b6eca057bdfc7722bc11506b7a2a)
2018-05-03Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Style-check for monitoring scripts Fix the style-check errors for monitoring scripts. In another patch, the scripts will be restructured according the dicretory structure. Change-Id: I4149b18177fa1bdeb1b12a84ecad3d7d0b78260b Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 742fc9ab94ede1187c9146e5336e28fe84d510c5)
2018-05-03Update git submodulesYu Yang (Gabriel)1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Merge "Prometheus Prototype Dashboard" into stable/fraser - Prometheus Prototype Dashboard JIRA: BOTTLENECK-181 Prototype Grafana dashboard using Prometheus query language for displaying system and docker performance metrics Change-Id: I2659eb4a4d072e95f3fc5a5dac0b1e5b1c6e536e Signed-off-by: Rutuja Surve <rutuja.r.surve@gmail.com> (cherry picked from commit b06b5119a0632b1e830c4873ca4cec8f22925e32)
2018-05-03Update git submodulesRutuja Surve1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Barometer automated installation script for jump server and compute/controller nodes JIRA: BOTTLENECK-182 Install barometer for collecting OVS and collectd statistics as docker containers on all nodes Change-Id: I8ae7e2bcbe95ab6e1224e08828c822d50367f616 Signed-off-by: Rutuja Surve <rutuja.r.surve@gmail.com> (cherry picked from commit 4b89af12f547bd8eebc01572e1b9a02f89c5fa7c)
2018-05-03Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Some informations are redundant This patch is to remove the redundant results in Soak throughputs reports to TestDB Change-Id: Ib7e95df8353f3aa7b28187d352d5a6a213af2727 Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 2833e627cbf31eb89f313ec167f215c48fa70217)
2018-04-27Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - fix the release notes title It still has Danube in the titile which should be deleted Change-Id: Ia5075cf2d713dc9b64e1732b54e99ab604643cee Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit dff85c2483e71cd7a4fe1fe48e62b09923bb0ffd)
2018-04-26Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - Lazy creation of VM pairs for soak throuputs tests Add the lazy creation progress of VM pairs while testing dataplane traffic using netperf Change-Id: I3228ff444ea074b99cb1afaec138191358064e40 Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 61aafcb0ca6cab9c25d2df7d409f4fa8716ebe5f)
2018-04-21Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'stable/fraser' - bug-fix: image for VMs is wrongly referenced This patch is to fix the url of yardstick image for bottlenecks Change-Id: I7fca672e0a7b8976923162a12a8a752cec320fcb Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com> (cherry picked from commit 73bd5d30fb9d5ee3bc01d78b431282332a53b44d)
2018-04-02Update git submodulesYu Yang (Gabriel)1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - Merge "Grafana Dashboard customization script" - Grafana Dashboard customization script JIRA: BOTTLENECK-182 Customization of dashboard with respect to query for a particular panel Change-Id: Ic8730c2fc1540fc41d1206b4610beb7b304825ae Signed-off-by: Rutuja Surve <rutuja.r.surve@gmail.com>
2018-03-19Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - Update Fraser Docs Release notes and test case decriptions, etc. Change-Id: I0c67c02118dfd8ea3d8a4fc23225dc6d027ba3db Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>
2018-03-19Update git submodulesYu Yang (Gabriel)1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - Merge "Documentation on storage testcases in bottlenecks" - Documentation on storage testcases in bottlenecks JIRA: BOTTLENECK-216 This patch is used for user documentation on the 3 storage stress testcases created in bottlnecks. Change-Id: Ib560efea5bcd2decedf7d3f681ed303123ce31a9 Signed-off-by: Shubham Agarwal <shubham.agarwal.coder@gmail.com>
2018-03-16Update git submodulesGabriel Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - Add life-cycle throughputs testcase JIRA: BOTTLENECK-186 Add skeleton of this test case: 1. Quotas modification 2. Call Yardstick to run test Change-Id: I02726bbfb2104151e5ef3c52a214775d30f9e743 Signed-off-by: Gabriel Yu <Gabriel.yuyang@huawei.com>
2018-03-16Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - bugfix: copy hosts file JIRA: BOTTLENECK-227 Operation of copying hosts file should follow the building of Yardstick docker Change-Id: I4d66efe8b823876a733d1877c26d1e0e263ca4da Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>
2018-03-15Update git submodulesYu Yang (Gabriel)1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - Merge "support hosts file copy" - support hosts file copy JIRA: BOTTLENECK-227 Dovetail needs to regulate the hosts file of each docker to adapt SUTs. This patch is to make hosts file consistant in Bottlenecks-Yarstick docker. Change-Id: I93a57a5cac9c8d8c0a8b6660e84b8b351c455786 Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>
2018-03-15Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - bugfix: stress ping for offline support JIRA: BOTTLENECK-226 See above Change-Id: Iba5d21348355a80d6c17deb1a12114d1d07e5c15 Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>
2018-03-12Update git submodulesYu Yang (Gabriel)1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - Merge "bottlenecks offiline support" - bottlenecks offiline support JIRA: BOTTLENECK-224 This patch for bottlenecks support offiline. By use some offiline image rather than yardstick env prepare. This will solve some problem happened in yardstick image builder. Change-Id: I62b6606570c2ea6ce365212c79777af01c47c9a6 Signed-off-by: liyin <liyin11@huawei.com>
2018-03-07Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - roll back the bug-fix for source method JIRA: BOTTLENECK-222 It seems the issue related to environments. Just roll back for further actions. Change-Id: I9578fb0c2a3aed2fe5b1c704c6baea2e56ca39a9 Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>
2018-02-26Update git submodulesAce Lee1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - Moon testcase bug fix JIRA: BOTTLENECK-220 The JIRA ticket is to suit moon version 4.3. There are some bugs to fix. Change-Id: Idf8b9a2b4dea6508738283e76457b8d1d25ceae9 Signed-off-by: Ace Lee <liyin11@huawei.com>
2018-02-26Update git submodulesAce Lee1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - Merge "Testcase to find multi-stack storage bottlenecks" - Testcase to find multi-stack storage bottlenecks JIRA: BOTTLENECK-203 This patch is used for multistack storage performance bottlenecks using yardstick as runner. Change-Id: I99f5b3caa3e454d75e293de2ad7dccbe6ce13887 Signed-off-by: Shubham Agarwal <shubham.agarwal.coder@gmail.com>
2018-02-24Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - bug-fix: python mimic source method JIRA: BOTTLENECK-222 Details could be referred to the above JIRA ticket Change-Id: I07d89ee85e18a78d060959cfac5ded82aa83ef32 Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>
2018-02-23Update git submodulesAce Lee1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - Merge "Testcase to find storage bottlenecks using Yardstick for Multistack" - Testcase to find storage bottlenecks using Yardstick for Multistack JIRA: BOTTLENECK-217 This patch is used to find storage bottlenecks while using yardstick for multistack. Change-Id: I8e64ff4145244a4aa822cf63c82d3a90a6579486 Signed-off-by: Shubham Agarwal <shubham.agarwal.coder@gmail.com>
2018-02-03Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - bug-fix: support insecure option for quota setting JIRA: BOTTLENECK-221 Quota setting has openstack cmd executed by bash not supporting insecure option for https Change-Id: I223080b67af9aa1677e2e39daaf727f3a6c0ea97 Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>
2018-01-15Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - Add docs for nose test JIRA: BOTTLENECK-219 This path is to add docs for unit & coverage tests Change-Id: I504cb14cd32828533b5a82f02770e60da785794a Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>
2018-01-12Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - bug-fix: no percentage calculated in verify ci JIRA: BOTTLNECK-219 It seems that ci verify job could not get the coverage percentage for empty directory. This patch is to add __init__ file for the empty directory to avoid the empty check. note that offline test does not has this issue Change-Id: I67ce149438516429f7285e9424a57439b188c070 Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>
2018-01-10Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - bug-fix: veriry job no coverage package JIRA: BOTTLENECK-219 vitualenv should install nose and coverage package for unittest, only install coverage is not enough since virtualenv will use external nose which couldnt find coverage package installed externally Change-Id: I6daebf2db6dd97cdfd0eac0c43a619229ba38577 Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>
2018-01-10Update git submodulesYu Yang (Gabriel)1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - Merge "bug-fix: coverage package missing for ci verify" - bug-fix: coverage package missing for ci verify JIRA: BOTTLENECK-219 nosetests has enbled coverage check which requires coverage package missing currently Change-Id: Ia4b87a6036ea00532014a332170a19681432f84c Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>
2018-01-10Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - bug-fix: wrong line to modify for getting results In Danube, should modify no.12 line of yardstick config file to let yardstick record result in file instead of reporting to MongoDB. After Danube, it should be no.13 line of that file. Also return to Danube:3.1 and will fix the line issue for VNF scaling test in another ticket Change-Id: I309e9c609967efdda8eaaf289d788ccf1693308e Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>
2018-01-05Update git submodulesYang Yu1-0/+0
* Update docs/submodules/bottlenecks from branch 'master' - Add unit & coverage test JIRA: BOTTLENECK-219 Using python-nose to run nosetests on unittest and coverage test Change-Id: I3928823bc2f8c65dbe770827ee69da8dd3ced1f2 Signed-off-by: Yang Yu <Gabriel.yuyang@huawei.com>