OpenDev Migration Patch

This commit was bulk generated and pushed by the OpenDev sysadmins
as a part of the Git hosting and code review systems migration
detailed in these mailing list posts:

http://lists.openstack.org/pipermail/openstack-discuss/2019-March/003603.html
http://lists.openstack.org/pipermail/openstack-discuss/2019-April/004920.html

Attempts have been made to correct repository namespaces and
hostnames based on simple pattern matching, but it's possible some
were updated incorrectly or missed entirely. Please reach out to us
via the contact information listed at https://opendev.org/ with any
questions you may have.

.gitreview

@@ -2,4 +2,4 @@
 host=review.opendev.org
 port=29418
 project=openstack/devstack-plugin-container.git
-defaultbranch=stable/rocky
+defaultbranch=stable/stein

devstack/lib/crio

@@ -0,0 +1,118 @@
+#!/bin/bash
+
+# Dependencies:
+#
+# - functions
+
+# stack.sh
+# ---------
+# - check_crio
+# - install_crio
+# - configure_crio
+# - stop_crio
+
+# Save trace setting
+_XTRACE_DOCKER=$(set +o | grep xtrace)
+set +o xtrace
+
+
+# Defaults
+# --------
+
+CRIO_ENGINE_SOCKET_FILE=${CRIO_ENGINE_SOCKET_FILE:-/var/run/crio/crio.sock}
+
+# Functions
+# ---------
+
+function check_crio {
+    if is_ubuntu; then
+       dpkg -l | grep crio-o > /dev/null 2>&1
+    else
+       false
+       # TODO: CentOS/Fedora support.
+    fi
+}
+
+function install_crio {
+    if [[ -z "$os_PACKAGE" ]]; then
+        GetOSVersion
+    fi
+
+    local lsb_dist=${os_VENDOR,,}
+    local dist_version=${os_CODENAME}
+    local arch=$(dpkg --print-architecture)
+    if is_ubuntu; then
+        apt_get install apt-transport-https ca-certificates software-properties-common
+        sudo add-apt-repository -y ppa:projectatomic/ppa
+        # Installing podman and containerd will get us compatible versions of
+        # cri-o and runc. And we need podman to manage container images anyway.
+        apt_get install podman buildah
+    elif is_fedora; then
+        if [[ "$lsb_dist" = "centos" ]]; then
+            sudo yum-config-manager \
+                --add-repo \
+                https://cbs.centos.org/repos/virt7-container-common-candidate/x86_64/os/
+            sudo yum-config-manager \
+                --add-repo \
+                https://cbs.centos.org/repos/paas7-crio-311-candidate/x86_64/os/
+        fi
+        yum_install cri-o podman buildah
+    fi
+}
+
+function configure_crio {
+    # After an ./unstack it will be stopped. So it is ok if it returns exit-code == 1
+    sudo systemctl stop crio.service || true
+
+    local crio_conf
+    crio_conf=/etc/crio/crio.conf
+
+    # We're wrapping values in \"<val>\" because that's the format cri-o wants.
+    iniset -sudo ${crio_conf} crio.api listen \"${CRIO_ENGINE_SOCKET_FILE}\"
+    if [[ "$ENABLE_DEBUG_LOG_LEVEL" == "True" ]]; then
+        # debug is way too verbose, info will be enough
+        iniset -sudo ${crio_conf} crio.runtime log_level \"info\"
+    fi
+    if is_ubuntu; then
+        # In Ubuntu's a special vendored version of runc is installed with
+        # cri-o. This means that it'll not work with the system's version of
+        # runc. Moreover vendored runc is not placed into /usr/bin, where
+        # crio.conf states that it will be. We fix that by linking the vendored
+        # binary to /usr/bin.
+        if [[ ! -e /usr/bin/runc ]]; then
+            sudo ln -s /usr/lib/cri-o-runc/sbin/runc /usr/bin/runc
+            sudo chmod +x /usr/bin/runc
+        fi
+
+        # At least for 18.04 we need to set up /etc/containers/registries.conf
+        # with some initial content. That's another bug with that PPA.
+        local registries_conf
+        registries_conf="/etc/containers/registries.conf"
+        if [[ ! -f ${registries_conf} ]]; then
+            sudo mkdir -p `dirname ${registries_conf}`
+            cat << EOF | sudo tee ${registries_conf}
+[registries.search]
+registries = ['docker.io']
+EOF
+        fi
+    elif is_fedora; then
+        local lsb_dist=${os_VENDOR,,}
+
+        if [[ "$lsb_dist" = "centos" ]]; then
+            # CentOS packages are putting runc binary in different place...
+            iniset -sudo ${crio_conf} crio.runtime runtime \"/usr/sbin/runc\"
+
+            # CentOS version seems to only work with cgroupfs...
+            iniset -sudo ${crio_conf} crio.runtime cgroup_manager \"cgroupfs\"
+        fi
+    fi
+
+    sudo systemctl --no-block restart crio.service
+}
+
+function stop_crio {
+    sudo systemctl stop crio.service || true
+}
+
+# Restore xtrace
+$_XTRACE_DOCKER

devstack/lib/docker

@@ -28,6 +28,7 @@ DOCKER_GROUP=${DOCKER_GROUP:-$STACK_USER}
 DOCKER_CGROUP_DRIVER=${DOCKER_CGROUP_DRIVER:-}
 ENABLE_CLEAR_CONTAINER=$(trueorfalse False ENABLE_CLEAR_CONTAINER)
 ENABLE_LIVE_RESTORE=$(trueorfalse False ENABLE_LIVE_RESTORE)
+ENABLE_IPV6=$(trueorfalse False ENABLE_IPV6)
 
 # Functions
 # ---------
@@ -112,6 +113,7 @@ function configure_docker {
     local docker_config_file=/etc/docker/daemon.json
     local debug
     local live_restore
+    local ipv6
     if [[ "$ENABLE_DEBUG_LOG_LEVEL" == "True" ]]; then
         debug=true
     else
@@ -122,6 +124,11 @@ function configure_docker {
     else
         live_restore=false
     fi
+    if [[ "$ENABLE_IPV6" == "True" ]]; then
+        ipv6=true
+    else
+        ipv6=false
+    fi
     sudo mkdir -p $(dirname ${docker_config_file})
     cat <<EOF | sudo tee $docker_config_file >/dev/null
 {
@@ -129,6 +136,7 @@ function configure_docker {
     $runtime_opts
     "debug": ${debug},
     "live-restore": ${live_restore},
+    "ipv6": ${ipv6},
     "group": "$DOCKER_GROUP",
 EOF
     if [[ -n "$DOCKER_CGROUP_DRIVER" ]]; then

devstack/plugin.sh

@@ -6,6 +6,7 @@ set -o xtrace
 
 echo_summary "container's plugin.sh was called..."
 source $DEST/devstack-plugin-container/devstack/lib/docker
+source $DEST/devstack-plugin-container/devstack/lib/crio
 (set -o posix; set)
 
 if is_service_enabled container; then
@@ -13,17 +14,23 @@ if is_service_enabled container; then
         echo_summary "Installing container engine"
         if [[ ${CONTAINER_ENGINE} == "docker" ]]; then
             check_docker || install_docker
+        elif [[ ${CONTAINER_ENGINE} == "crio" ]]; then
+            check_crio || install_crio
         fi
     elif [[ "$1" == "stack" && "$2" == "post-config" ]]; then
         echo_summary "Configuring container engine"
         if [[ ${CONTAINER_ENGINE} == "docker" ]]; then
             configure_docker
+        elif [[ ${CONTAINER_ENGINE} == "crio" ]]; then
+            configure_crio
         fi
     fi
 
     if [[ "$1" == "unstack" ]]; then
         if [[ ${CONTAINER_ENGINE} == "docker" ]]; then
             stop_docker
+        elif [[ ${CONTAINER_ENGINE} == "crio" ]]; then
+            stop_crio
         fi
     fi
 

devstack/settings

@@ -1,8 +1,10 @@
 # Devstack settings
 
+# Supported options are "docker" and "crio".
 CONTAINER_ENGINE=${CONTAINER_ENGINE:-docker}
 ENABLE_CLEAR_CONTAINER=${ENABLE_CLEAR_CONTAINER:-false}
 ENABLE_LIVE_RESTORE=${ENABLE_LIVE_RESTORE:-false}
+ENABLE_IPV6=${ENABLE_IPV6:-false}
 
 # Enable container services
 enable_service container