It looks like devstack is installing the python3-yaml that later conflicts with keystone:
2019-11-26 19:24:02.010499 | primary | + /opt/stack/new/devstack-gate/devstack-vm-gate.sh:setup_localrc:L265: local localrc_oldnew=old 2019-11-26 19:24:02.010834 | primary | + /opt/stack/new/devstack-gate/devstack-vm-gate.sh:setup_localrc:L266: local localrc_file=devstack.local.conf.base 2019-11-26 19:24:02.011127 | primary | + /opt/stack/new/devstack-gate/devstack-vm-gate.sh:setup_localrc:L267: local role=primary 2019-11-26 19:24:02.011456 | primary | + /opt/stack/new/devstack-gate/devstack-vm-gate.sh:setup_localrc:L273: local branch_for_matrix=stable/train 2019-11-26 19:24:02.011726 | primary | + /opt/stack/new/devstack-gate/devstack-vm-gate.sh:setup_localrc:L277: [[ -z '' ]] 2019-11-26 19:24:02.011969 | primary | + /opt/stack/new/devstack-gate/devstack-vm-gate.sh:setup_localrc:L278: rm -f devstack.local.conf.base 2019-11-26 19:24:02.014291 | primary | + /opt/stack/new/devstack-gate/devstack-vm-gate.sh:setup_localrc:L282: [[ ! -z '' ]] 2019-11-26 19:24:02.015056 | primary | ++ /opt/stack/new/devstack-gate/devstack-vm-gate.sh:setup_localrc:L286: which python3 2019-11-26 19:24:02.016667 | primary | + /opt/stack/new/devstack-gate/devstack-vm-gate.sh:setup_localrc:L286: PYTHON_PATH=/usr/bin/python3 2019-11-26 19:24:02.017340 | primary | ++ /opt/stack/new/devstack-gate/devstack-vm-gate.sh:setup_localrc:L287: basename /usr/bin/python3 2019-11-26 19:24:02.018730 | primary | + /opt/stack/new/devstack-gate/devstack-vm-gate.sh:setup_localrc:L287: PYTHON_NAME=python3 2019-11-26 19:24:02.018969 | primary | + /opt/stack/new/devstack-gate/devstack-vm-gate.sh:setup_localrc:L288: uses_debs 2019-11-26 19:24:02.019167 | primary | + /opt/stack/new/devstack-gate/functions.sh:uses_debs:L52: type apt-get 2019-11-26 19:24:02.019388 | primary | apt-get is /usr/bin/apt-get 2019-11-26 19:24:02.019620 | primary | + /opt/stack/new/devstack-gate/devstack-vm-gate.sh:setup_localrc:L289: dpkg -s python3-yaml 2019-11-26 19:24:02.045207 | primary | dpkg-query: package 'python3-yaml' is not installed and no information is available 2019-11-26 19:24:02.045409 | primary | Use dpkg --info (= dpkg-deb --info) to examine archive files, 2019-11-26 19:24:02.045537 | primary | and dpkg --contents (= dpkg-deb --contents) to list their contents. 2019-11-26 19:24:02.046222 | primary | + /opt/stack/new/devstack-gate/devstack-vm-gate.sh:setup_localrc:L290: apt_get_install python3-yaml 2019-11-26 19:24:02.046457 | primary | + /opt/stack/new/devstack-gate/functions.sh:apt_get_install:L63: [[ -z '' ]] 2019-11-26 19:24:02.046800 | primary | + /opt/stack/new/devstack-gate/functions.sh:apt_get_install:L64: timeout 300 sh -c 'while ! sudo apt-get update; do sleep 30; done' 2019-11-26 19:24:02.215036 | primary | Ign:1 http://mirror.ord.rax.opendev.org/ubuntu bionic InRelease 2019-11-26 19:24:02.215742 | primary | Ign:2 http://mirror.ord.rax.opendev.org/ubuntu bionic-updates InRelease 2019-11-26 19:24:02.216532 | primary | Ign:3 http://mirror.ord.rax.opendev.org/ubuntu bionic-backports InRelease 2019-11-26 19:24:02.218796 | primary | Ign:4 http://mirror.ord.rax.opendev.org/ubuntu bionic-security InRelease 2019-11-26 19:24:02.222386 | primary | Hit:5 http://mirror.ord.rax.opendev.org/ubuntu bionic Release 2019-11-26 19:24:02.224072 | primary | Hit:6 http://mirror.ord.rax.opendev.org/ubuntu bionic-updates Release 2019-11-26 19:24:02.226592 | primary | Hit:7 http://mirror.ord.rax.opendev.org/ubuntu bionic-backports Release 2019-11-26 19:24:02.228653 | primary | Hit:8 http://mirror.ord.rax.opendev.org/ubuntu bionic-security Release 2019-11-26 19:24:02.231556 | primary | Ign:9 http://mirror.ord.rax.opendev.org/ubuntu bionic Release.gpg 2019-11-26 19:24:02.233526 | primary | Ign:10 http://mirror.ord.rax.opendev.org/ubuntu bionic-updates Release.gpg 2019-11-26 19:24:02.234670 | primary | Ign:11 http://mirror.ord.rax.opendev.org/ubuntu bionic-backports Release.gpg 2019-11-26 19:24:02.236992 | primary | Ign:12 http://mirror.ord.rax.opendev.org/ubuntu bionic-security Release.gpg 2019-11-26 19:24:03.875089 | primary | Reading package lists... 2019-11-26 19:24:03.931708 | primary | + /opt/stack/new/devstack-gate/functions.sh:apt_get_install:L68: APT_UPDATED=1 2019-11-26 19:24:03.932186 | primary | + /opt/stack/new/devstack-gate/functions.sh:apt_get_install:L71: sudo DEBIAN_FRONTEND=noninteractive apt-get --assume-yes install python3-yaml 2019-11-26 19:24:04.128438 | primary | Reading package lists...
It looks like devstack is installing the python3-yaml that later conflicts with keystone:
2019-11-26 19:24:02.010499 | primary | + /opt/stack/ new/devstack- gate/devstack- vm-gate. sh:setup_ localrc: L265: local localrc_oldnew=old new/devstack- gate/devstack- vm-gate. sh:setup_ localrc: L266: local localrc_ file=devstack. local.conf. base new/devstack- gate/devstack- vm-gate. sh:setup_ localrc: L267: local role=primary new/devstack- gate/devstack- vm-gate. sh:setup_ localrc: L273: local branch_ for_matrix= stable/ train new/devstack- gate/devstack- vm-gate. sh:setup_ localrc: L277: [[ -z '' ]] new/devstack- gate/devstack- vm-gate. sh:setup_ localrc: L278: rm -f devstack. local.conf. base new/devstack- gate/devstack- vm-gate. sh:setup_ localrc: L282: [[ ! -z '' ]] new/devstack- gate/devstack- vm-gate. sh:setup_ localrc: L286: which python3 new/devstack- gate/devstack- vm-gate. sh:setup_ localrc: L286: PYTHON_ PATH=/usr/ bin/python3 new/devstack- gate/devstack- vm-gate. sh:setup_ localrc: L287: basename /usr/bin/python3 new/devstack- gate/devstack- vm-gate. sh:setup_ localrc: L287: PYTHON_NAME=python3 new/devstack- gate/devstack- vm-gate. sh:setup_ localrc: L288: uses_debs new/devstack- gate/functions. sh:uses_ debs:L52: type apt-get new/devstack- gate/devstack- vm-gate. sh:setup_ localrc: L289: dpkg -s python3-yaml new/devstack- gate/devstack- vm-gate. sh:setup_ localrc: L290: apt_get_install python3-yaml new/devstack- gate/functions. sh:apt_ get_install: L63: [[ -z '' ]] new/devstack- gate/functions. sh:apt_ get_install: L64: timeout 300 sh -c 'while ! sudo apt-get update; do sleep 30; done' mirror. ord.rax. opendev. org/ubuntu bionic InRelease mirror. ord.rax. opendev. org/ubuntu bionic-updates InRelease mirror. ord.rax. opendev. org/ubuntu bionic-backports InRelease mirror. ord.rax. opendev. org/ubuntu bionic-security InRelease mirror. ord.rax. opendev. org/ubuntu bionic Release mirror. ord.rax. opendev. org/ubuntu bionic-updates Release mirror. ord.rax. opendev. org/ubuntu bionic-backports Release mirror. ord.rax. opendev. org/ubuntu bionic-security Release mirror. ord.rax. opendev. org/ubuntu bionic Release.gpg mirror. ord.rax. opendev. org/ubuntu bionic-updates Release.gpg mirror. ord.rax. opendev. org/ubuntu bionic-backports Release.gpg mirror. ord.rax. opendev. org/ubuntu bionic-security Release.gpg new/devstack- gate/functions. sh:apt_ get_install: L68: APT_UPDATED=1 new/devstack- gate/functions. sh:apt_ get_install: L71: sudo DEBIAN_ FRONTEND= noninteractive apt-get --assume-yes install python3-yaml
2019-11-26 19:24:02.010834 | primary | + /opt/stack/
2019-11-26 19:24:02.011127 | primary | + /opt/stack/
2019-11-26 19:24:02.011456 | primary | + /opt/stack/
2019-11-26 19:24:02.011726 | primary | + /opt/stack/
2019-11-26 19:24:02.011969 | primary | + /opt/stack/
2019-11-26 19:24:02.014291 | primary | + /opt/stack/
2019-11-26 19:24:02.015056 | primary | ++ /opt/stack/
2019-11-26 19:24:02.016667 | primary | + /opt/stack/
2019-11-26 19:24:02.017340 | primary | ++ /opt/stack/
2019-11-26 19:24:02.018730 | primary | + /opt/stack/
2019-11-26 19:24:02.018969 | primary | + /opt/stack/
2019-11-26 19:24:02.019167 | primary | + /opt/stack/
2019-11-26 19:24:02.019388 | primary | apt-get is /usr/bin/apt-get
2019-11-26 19:24:02.019620 | primary | + /opt/stack/
2019-11-26 19:24:02.045207 | primary | dpkg-query: package 'python3-yaml' is not installed and no information is available
2019-11-26 19:24:02.045409 | primary | Use dpkg --info (= dpkg-deb --info) to examine archive files,
2019-11-26 19:24:02.045537 | primary | and dpkg --contents (= dpkg-deb --contents) to list their contents.
2019-11-26 19:24:02.046222 | primary | + /opt/stack/
2019-11-26 19:24:02.046457 | primary | + /opt/stack/
2019-11-26 19:24:02.046800 | primary | + /opt/stack/
2019-11-26 19:24:02.215036 | primary | Ign:1 http://
2019-11-26 19:24:02.215742 | primary | Ign:2 http://
2019-11-26 19:24:02.216532 | primary | Ign:3 http://
2019-11-26 19:24:02.218796 | primary | Ign:4 http://
2019-11-26 19:24:02.222386 | primary | Hit:5 http://
2019-11-26 19:24:02.224072 | primary | Hit:6 http://
2019-11-26 19:24:02.226592 | primary | Hit:7 http://
2019-11-26 19:24:02.228653 | primary | Hit:8 http://
2019-11-26 19:24:02.231556 | primary | Ign:9 http://
2019-11-26 19:24:02.233526 | primary | Ign:10 http://
2019-11-26 19:24:02.234670 | primary | Ign:11 http://
2019-11-26 19:24:02.236992 | primary | Ign:12 http://
2019-11-26 19:24:03.875089 | primary | Reading package lists...
2019-11-26 19:24:03.931708 | primary | + /opt/stack/
2019-11-26 19:24:03.932186 | primary | + /opt/stack/
2019-11-26 19:24:04.128438 | primary | Reading package lists...