Ceph container

Running ceph in a container requires 2 pieces:
 - ceph-mon
 - objectstorage-daemon (osd)

Co-Authored-By: Sam Yaple <sam@yaple.net>
Change-Id: I33e5baf72e4bc493889da0d796041acfd1a2cad3
Partially-Implements: blueprint ceph-container

docker/base/Dockerfile.j2

@@ -183,6 +183,7 @@ RUN apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com 199369E5404BD
     && apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com F78372A06FF50C80464FC1B4F7B8CEA6056E8E56 \
     && apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com 430BDF5C56E7C94E848EE60C1C4CBDCDCD2EFD2A \
     && apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com 7D5C473EB80C00FC133071068A6844A29F68104E \
+    && apt-key adv --recv-keys --keyserver hkp://keyserver.ubuntu.com 7F6C9F236D170493FCF404F27EBFDD5D17ED316D \
     && apt-get update \
     && apt-get upgrade -y \
     && apt-get dist-upgrade -y \

docker/base/sources.list

@@ -20,3 +20,6 @@ deb http://repo.percona.com/apt trusty main
 
 # RabbitMQ repo. Despite the name, the 'testing' repo is the stable repo.
 deb http://www.rabbitmq.com/debian/ testing main
+
+# Ceph repo
+deb http://ceph.com/debian-hammer/ trusty main

docker/ceph/ceph-base/Dockerfile.j2

@@ -0,0 +1,17 @@
+FROM {{ namespace }}/{{ base_distro }}-{{ install_type }}-base:{{ tag }}
+MAINTAINER Kolla Project (https://launchpad.net/kolla)
+
+{% if base_distro in ['fedora', 'centos', 'oraclelinux'] %}
+
+RUN yum -y install ceph \
+    && yum clean all
+
+{% elif base_distro in ['ubuntu', 'debian'] %}
+
+RUN apt-get install -y --no-install-recommends \
+        ceph \
+        parted \
+        hdparm \
+    && apt-get clean
+
+{% endif %}

docker/ceph/ceph-mon/Dockerfile.j2

@@ -0,0 +1,7 @@
+FROM {{ namespace }}/{{ base_distro }}-{{ install_type }}-ceph-base:{{ tag }}
+MAINTAINER Kolla Project (https://launchpad.net/kolla)
+
+COPY start.sh /
+COPY config-external.sh /opt/kolla/
+
+CMD ["/start.sh"]

docker/ceph/ceph-mon/config-external.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+SOURCE="/opt/kolla/ceph-mon/ceph.conf"
+TARGET="/etc/ceph/ceph.conf"
+OWNER="ceph"
+
+if [[ -f "$SOURCE" ]]; then
+    cp $SOURCE $TARGET
+    chown ${OWNER}: $TARGET
+    chmod 0644 $TARGET
+fi

docker/ceph/ceph-mon/start.sh

@@ -0,0 +1,48 @@
+#!/bin/bash
+
+set -o errexit
+
+CMD="/usr/bin/ceph-mon"
+ARGS="-d -i ${MON_NAME} --public-addr ${MON_IP}:6789"
+
+# Setup common paths
+KEYRING_ADMIN="/etc/ceph/ceph.admin.keyring"
+KEYRING_MON="/etc/ceph/ceph.mon.keyring"
+MONMAP="/etc/ceph/ceph.monmap"
+MON_DIR="/var/lib/ceph/mon/ceph-$(hostname)"
+
+# Loading common functions.
+source /opt/kolla/kolla-common.sh
+
+# Execute config strategy
+set_configs
+
+# Bootstrap and exit if KOLLA_BOOTSTRAP variable is set. This catches all cases
+# of the KOLLA_BOOTSTRAP variable being set, including empty.
+if [[ "${!KOLLA_BOOTSTRAP[@]}" ]]; then
+    # Lookup our fsid from the ceph.conf
+    FSID="$(awk '/^fsid/ {print $3; exit}' ${ceph_conf})"
+
+    # Generating initial keyrings and monmap
+    ceph-authtool --create-keyring "${KEYRING_MON}" --gen-key -n mon. --cap mon 'allow *'
+    ceph-authtool --create-keyring "${KEYRING_ADMIN}" --gen-key -n client.admin --set-uid=0 --cap mon 'allow *' --cap osd 'allow *' --cap mds 'allow'
+    ceph-authtool "${KEYRING_MON}" --import-keyring "${KEYRING_ADMIN}"
+    monmaptool --create --add "$(hostname)" "${MON_IP}" --fsid "${FSID}" "${MONMAP}"
+
+    # TODO(SamYaple): Return json parsible output to ansible
+    exit 0
+fi
+
+# This section runs on every mon that does not have a keyring already.
+if [[ ! -e "${MON_DIR}/keyring" ]]; then
+    KEYRING_TMP="/tmp/ceph.mon.keyring"
+
+    # Generate keyring for current monitor
+    ceph-authtool --create-keyring "${KEYRING_TMP}" --import-keyring "${KEYRING_ADMIN}"
+    ceph-authtool "${KEYRING_TMP}" --import-keyring "${KEYRING_MON}"
+    mkdir -p "${MON_DIR}"
+    ceph-mon --mkfs -i "$(hostname)" --monmap "${MONMAP}" --keyring "${KEYRING_TMP}"
+    rm "${KEYRING_TMP}"
+fi
+
+exec $CMD $ARGS

docker/ceph/ceph-osd/Dockerfile.j2

@@ -0,0 +1,7 @@
+FROM {{ namespace }}/{{ base_distro }}-{{ install_type }}-ceph-base:{{ tag }}
+MAINTAINER Kolla Project (https://launchpad.net/kolla)
+
+COPY start.sh /
+COPY config-external.sh /opt/kolla/
+
+CMD ["/start.sh"]

docker/ceph/ceph-osd/config-external.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+SOURCE="/opt/kolla/ceph-osd/ceph.conf"
+TARGET="/etc/ceph/ceph.conf"
+OWNER="ceph"
+
+if [[ -f "$SOURCE" ]]; then
+    cp $SOURCE $TARGET
+    chown ${OWNER}: $TARGET
+    chmod 0644 $TARGET
+fi

docker/ceph/ceph-osd/start.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+set -o errexit
+
+CMD="/usr/bin/ceph-osd"
+ARGS="-f -d -i ${OSD_ID} --osd-journal ${OSD_DIR}/journal -k ${OSD_DIR}/keyring"
+
+# Loading common functions.
+source /opt/kolla/kolla-common.sh
+
+# Execute config strategy
+set_configs
+
+# Bootstrap and exit if KOLLA_BOOTSTRAP variable is set. This catches all cases
+# of the KOLLA_BOOTSTRAP variable being set, including empty.
+if [[ "${!KOLLA_BOOTSTRAP[@]}" ]]; then
+    # Creating a new label for the disk
+    parted "${OSD_DEV}" -s -- mklabel gpt
+
+    # Preparing the OSD for use with Ceph
+    ceph-disk prepare "${OSD_DEV}"
+    OSD_ID="$(ceph osd create)"
+    OSD_DIR="/var/lib/ceph/osd/ceph-${OSD_ID}"
+    mkdir -p "${OSD_DIR}"
+    mount "${OSD_DEV}1" "${OSD_DIR}"
+    ceph-osd -i "${OSD_ID}" --mkfs --mkkey
+    ceph auth add "osd.${OSD_ID}" osd 'allow *' mon 'allow proflie osd' -i "${OSD_DIR}/keyring"
+
+    # Adding osd to crush map
+    ceph osd crush add-bucket "$(hostname)" host
+    ceph osd crush move "$(hostname)" root=default
+    ceph osd crush add "${OSD_ID}" "${OSD_INITIAL_WEIGHT}" host="$(hostname)"
+    exit 0
+fi
+
+exec $CMD $ARGS