| #!/bin/bash |
| # |
| # functions-common - Common functions used by DevStack components |
| # |
| # The canonical copy of this file is maintained in the DevStack repo. |
| # All modifications should be made there and then sync'ed to other repos |
| # as required. |
| # |
| # This file is sorted alphabetically within the function groups. |
| # |
| # - Config Functions |
| # - Control Functions |
| # - Distro Functions |
| # - Git Functions |
| # - OpenStack Functions |
| # - Package Functions |
| # - Process Functions |
| # - Service Functions |
| # - System Functions |
| # |
| # The following variables are assumed to be defined by certain functions: |
| # |
| # - ``ENABLED_SERVICES`` |
| # - ``ERROR_ON_CLONE`` |
| # - ``FILES`` |
| # - ``OFFLINE`` |
| # - ``RECLONE`` |
| # - ``REQUIREMENTS_DIR`` |
| # - ``STACK_USER`` |
| # - ``TRACK_DEPENDS`` |
| # - ``UNDO_REQUIREMENTS`` |
| # - ``http_proxy``, ``https_proxy``, ``no_proxy`` |
| # |
| |
| # Save trace setting |
| XTRACE=$(set +o | grep xtrace) |
| set +o xtrace |
| |
| # Global Config Variables |
| declare -A GITREPO |
| declare -A GITBRANCH |
| declare -A GITDIR |
| |
| TRACK_DEPENDS=${TRACK_DEPENDS:-False} |
| |
| # Save these variables to .stackenv |
| STACK_ENV_VARS="BASE_SQL_CONN DATA_DIR DEST ENABLED_SERVICES HOST_IP \ |
| KEYSTONE_AUTH_PROTOCOL KEYSTONE_AUTH_URI KEYSTONE_SERVICE_URI \ |
| LOGFILE OS_CACERT SERVICE_HOST SERVICE_PROTOCOL STACK_USER TLS_IP" |
| |
| |
| # Saves significant environment variables to .stackenv for later use |
| # Refers to a lot of globals, only TOP_DIR and STACK_ENV_VARS are required to |
| # function, the rest are simply saved and do not cause problems if they are undefined. |
| # save_stackenv [tag] |
| function save_stackenv { |
| local tag=${1:-""} |
| # Save some values we generated for later use |
| time_stamp=$(date "+$TIMESTAMP_FORMAT") |
| echo "# $time_stamp $tag" >$TOP_DIR/.stackenv |
| for i in $STACK_ENV_VARS; do |
| echo $i=${!i} >>$TOP_DIR/.stackenv |
| done |
| } |
| |
| # Normalize config values to True or False |
| # Accepts as False: 0 no No NO false False FALSE |
| # Accepts as True: 1 yes Yes YES true True TRUE |
| # VAR=$(trueorfalse default-value test-value) |
| function trueorfalse { |
| local xtrace=$(set +o | grep xtrace) |
| set +o xtrace |
| |
| local default=$1 |
| local testval=${!2:-} |
| |
| case "$testval" in |
| "1" | [yY]es | "YES" | [tT]rue | "TRUE" ) echo "True" ;; |
| "0" | [nN]o | "NO" | [fF]alse | "FALSE" ) echo "False" ;; |
| * ) echo "$default" ;; |
| esac |
| |
| $xtrace |
| } |
| |
| function isset { |
| [[ -v "$1" ]] |
| } |
| |
| |
| # Control Functions |
| # ================= |
| |
| # Prints backtrace info |
| # filename:lineno:function |
| # backtrace level |
| function backtrace { |
| local level=$1 |
| local deep=$((${#BASH_SOURCE[@]} - 1)) |
| echo "[Call Trace]" |
| while [ $level -le $deep ]; do |
| echo "${BASH_SOURCE[$deep]}:${BASH_LINENO[$deep-1]}:${FUNCNAME[$deep-1]}" |
| deep=$((deep - 1)) |
| done |
| } |
| |
| # Prints line number and "message" then exits |
| # die $LINENO "message" |
| function die { |
| local exitcode=$? |
| set +o xtrace |
| local line=$1; shift |
| if [ $exitcode == 0 ]; then |
| exitcode=1 |
| fi |
| backtrace 2 |
| err $line "$*" |
| # Give buffers a second to flush |
| sleep 1 |
| exit $exitcode |
| } |
| |
| # Checks an environment variable is not set or has length 0 OR if the |
| # exit code is non-zero and prints "message" and exits |
| # NOTE: env-var is the variable name without a '$' |
| # die_if_not_set $LINENO env-var "message" |
| function die_if_not_set { |
| local exitcode=$? |
| local xtrace=$(set +o | grep xtrace) |
| set +o xtrace |
| local line=$1; shift |
| local evar=$1; shift |
| if ! is_set $evar || [ $exitcode != 0 ]; then |
| die $line "$*" |
| fi |
| $xtrace |
| } |
| |
| # Prints line number and "message" in error format |
| # err $LINENO "message" |
| function err { |
| local exitcode=$? |
| local xtrace=$(set +o | grep xtrace) |
| set +o xtrace |
| local msg="[ERROR] ${BASH_SOURCE[2]}:$1 $2" |
| echo $msg 1>&2; |
| if [[ -n ${LOGDIR} ]]; then |
| echo $msg >> "${LOGDIR}/error.log" |
| fi |
| $xtrace |
| return $exitcode |
| } |
| |
| # Checks an environment variable is not set or has length 0 OR if the |
| # exit code is non-zero and prints "message" |
| # NOTE: env-var is the variable name without a '$' |
| # err_if_not_set $LINENO env-var "message" |
| function err_if_not_set { |
| local exitcode=$? |
| local xtrace=$(set +o | grep xtrace) |
| set +o xtrace |
| local line=$1; shift |
| local evar=$1; shift |
| if ! is_set $evar || [ $exitcode != 0 ]; then |
| err $line "$*" |
| fi |
| $xtrace |
| return $exitcode |
| } |
| |
| # Exit after outputting a message about the distribution not being supported. |
| # exit_distro_not_supported [optional-string-telling-what-is-missing] |
| function exit_distro_not_supported { |
| if [[ -z "$DISTRO" ]]; then |
| GetDistro |
| fi |
| |
| if [ $# -gt 0 ]; then |
| die $LINENO "Support for $DISTRO is incomplete: no support for $@" |
| else |
| die $LINENO "Support for $DISTRO is incomplete." |
| fi |
| } |
| |
| # Test if the named environment variable is set and not zero length |
| # is_set env-var |
| function is_set { |
| local var=\$"$1" |
| eval "[ -n \"$var\" ]" # For ex.: sh -c "[ -n \"$var\" ]" would be better, but several exercises depends on this |
| } |
| |
| # Prints line number and "message" in warning format |
| # warn $LINENO "message" |
| function warn { |
| local exitcode=$? |
| local xtrace=$(set +o | grep xtrace) |
| set +o xtrace |
| local msg="[WARNING] ${BASH_SOURCE[2]}:$1 $2" |
| echo $msg |
| $xtrace |
| return $exitcode |
| } |
| |
| |
| # Distro Functions |
| # ================ |
| |
| # Determine OS Vendor, Release and Update |
| # Tested with OS/X, Ubuntu, RedHat, CentOS, Fedora |
| # Returns results in global variables: |
| # ``os_VENDOR`` - vendor name: ``Ubuntu``, ``Fedora``, etc |
| # ``os_RELEASE`` - major release: ``14.04`` (Ubuntu), ``20`` (Fedora) |
| # ``os_UPDATE`` - update: ex. the ``5`` in ``RHEL6.5`` |
| # ``os_PACKAGE`` - package type: ``deb`` or ``rpm`` |
| # ``os_CODENAME`` - vendor's codename for release: ``snow leopard``, ``trusty`` |
| os_VENDOR="" |
| os_RELEASE="" |
| os_UPDATE="" |
| os_PACKAGE="" |
| os_CODENAME="" |
| |
| # GetOSVersion |
| function GetOSVersion { |
| |
| # Figure out which vendor we are |
| if [[ -x "`which sw_vers 2>/dev/null`" ]]; then |
| # OS/X |
| os_VENDOR=`sw_vers -productName` |
| os_RELEASE=`sw_vers -productVersion` |
| os_UPDATE=${os_RELEASE##*.} |
| os_RELEASE=${os_RELEASE%.*} |
| os_PACKAGE="" |
| if [[ "$os_RELEASE" =~ "10.7" ]]; then |
| os_CODENAME="lion" |
| elif [[ "$os_RELEASE" =~ "10.6" ]]; then |
| os_CODENAME="snow leopard" |
| elif [[ "$os_RELEASE" =~ "10.5" ]]; then |
| os_CODENAME="leopard" |
| elif [[ "$os_RELEASE" =~ "10.4" ]]; then |
| os_CODENAME="tiger" |
| elif [[ "$os_RELEASE" =~ "10.3" ]]; then |
| os_CODENAME="panther" |
| else |
| os_CODENAME="" |
| fi |
| elif [[ -x $(which lsb_release 2>/dev/null) ]]; then |
| os_VENDOR=$(lsb_release -i -s) |
| os_RELEASE=$(lsb_release -r -s) |
| os_UPDATE="" |
| os_PACKAGE="rpm" |
| if [[ "Debian,Ubuntu,LinuxMint" =~ $os_VENDOR ]]; then |
| os_PACKAGE="deb" |
| elif [[ "SUSE LINUX" =~ $os_VENDOR ]]; then |
| lsb_release -d -s | grep -q openSUSE |
| if [[ $? -eq 0 ]]; then |
| os_VENDOR="openSUSE" |
| fi |
| elif [[ $os_VENDOR == "openSUSE project" ]]; then |
| os_VENDOR="openSUSE" |
| elif [[ $os_VENDOR =~ Red.*Hat ]]; then |
| os_VENDOR="Red Hat" |
| fi |
| os_CODENAME=$(lsb_release -c -s) |
| elif [[ -r /etc/redhat-release ]]; then |
| # Red Hat Enterprise Linux Server release 5.5 (Tikanga) |
| # Red Hat Enterprise Linux Server release 7.0 Beta (Maipo) |
| # CentOS release 5.5 (Final) |
| # CentOS Linux release 6.0 (Final) |
| # Fedora release 16 (Verne) |
| # XenServer release 6.2.0-70446c (xenenterprise) |
| # Oracle Linux release 7 |
| os_CODENAME="" |
| for r in "Red Hat" CentOS Fedora XenServer; do |
| os_VENDOR=$r |
| if [[ -n "`grep \"$r\" /etc/redhat-release`" ]]; then |
| ver=`sed -e 's/^.* \([0-9].*\) (\(.*\)).*$/\1\|\2/' /etc/redhat-release` |
| os_CODENAME=${ver#*|} |
| os_RELEASE=${ver%|*} |
| os_UPDATE=${os_RELEASE##*.} |
| os_RELEASE=${os_RELEASE%.*} |
| break |
| fi |
| os_VENDOR="" |
| done |
| if [ "$os_VENDOR" = "Red Hat" ] && [[ -r /etc/oracle-release ]]; then |
| os_VENDOR=OracleLinux |
| fi |
| os_PACKAGE="rpm" |
| elif [[ -r /etc/SuSE-release ]]; then |
| for r in openSUSE "SUSE Linux"; do |
| if [[ "$r" = "SUSE Linux" ]]; then |
| os_VENDOR="SUSE LINUX" |
| else |
| os_VENDOR=$r |
| fi |
| |
| if [[ -n "`grep \"$r\" /etc/SuSE-release`" ]]; then |
| os_CODENAME=`grep "CODENAME = " /etc/SuSE-release | sed 's:.* = ::g'` |
| os_RELEASE=`grep "VERSION = " /etc/SuSE-release | sed 's:.* = ::g'` |
| os_UPDATE=`grep "PATCHLEVEL = " /etc/SuSE-release | sed 's:.* = ::g'` |
| break |
| fi |
| os_VENDOR="" |
| done |
| os_PACKAGE="rpm" |
| # If lsb_release is not installed, we should be able to detect Debian OS |
| elif [[ -f /etc/debian_version ]] && [[ $(cat /proc/version) =~ "Debian" ]]; then |
| os_VENDOR="Debian" |
| os_PACKAGE="deb" |
| os_CODENAME=$(awk '/VERSION=/' /etc/os-release | sed 's/VERSION=//' | sed -r 's/\"|\(|\)//g' | awk '{print $2}') |
| os_RELEASE=$(awk '/VERSION_ID=/' /etc/os-release | sed 's/VERSION_ID=//' | sed 's/\"//g') |
| fi |
| export os_VENDOR os_RELEASE os_UPDATE os_PACKAGE os_CODENAME |
| } |
| |
| # Translate the OS version values into common nomenclature |
| # Sets global ``DISTRO`` from the ``os_*`` values |
| declare DISTRO |
| |
| function GetDistro { |
| GetOSVersion |
| if [[ "$os_VENDOR" =~ (Ubuntu) || "$os_VENDOR" =~ (Debian) ]]; then |
| # 'Everyone' refers to Ubuntu / Debian releases by the code name adjective |
| DISTRO=$os_CODENAME |
| elif [[ "$os_VENDOR" =~ (Fedora) ]]; then |
| # For Fedora, just use 'f' and the release |
| DISTRO="f$os_RELEASE" |
| elif [[ "$os_VENDOR" =~ (openSUSE) ]]; then |
| DISTRO="opensuse-$os_RELEASE" |
| elif [[ "$os_VENDOR" =~ (SUSE LINUX) ]]; then |
| # For SLE, also use the service pack |
| if [[ -z "$os_UPDATE" ]]; then |
| DISTRO="sle${os_RELEASE}" |
| else |
| DISTRO="sle${os_RELEASE}sp${os_UPDATE}" |
| fi |
| elif [[ "$os_VENDOR" =~ (Red Hat) || \ |
| "$os_VENDOR" =~ (CentOS) || \ |
| "$os_VENDOR" =~ (OracleLinux) ]]; then |
| # Drop the . release as we assume it's compatible |
| DISTRO="rhel${os_RELEASE::1}" |
| elif [[ "$os_VENDOR" =~ (XenServer) ]]; then |
| DISTRO="xs$os_RELEASE" |
| else |
| # Catch-all for now is Vendor + Release + Update |
| DISTRO="$os_VENDOR-$os_RELEASE.$os_UPDATE" |
| fi |
| export DISTRO |
| } |
| |
| # Utility function for checking machine architecture |
| # is_arch arch-type |
| function is_arch { |
| [[ "$(uname -m)" == "$1" ]] |
| } |
| |
| # Determine if current distribution is an Oracle distribution |
| # is_oraclelinux |
| function is_oraclelinux { |
| if [[ -z "$os_VENDOR" ]]; then |
| GetOSVersion |
| fi |
| |
| [ "$os_VENDOR" = "OracleLinux" ] |
| } |
| |
| |
| # Determine if current distribution is a Fedora-based distribution |
| # (Fedora, RHEL, CentOS, etc). |
| # is_fedora |
| function is_fedora { |
| if [[ -z "$os_VENDOR" ]]; then |
| GetOSVersion |
| fi |
| |
| [ "$os_VENDOR" = "Fedora" ] || [ "$os_VENDOR" = "Red Hat" ] || \ |
| [ "$os_VENDOR" = "CentOS" ] || [ "$os_VENDOR" = "OracleLinux" ] |
| } |
| |
| |
| # Determine if current distribution is a SUSE-based distribution |
| # (openSUSE, SLE). |
| # is_suse |
| function is_suse { |
| if [[ -z "$os_VENDOR" ]]; then |
| GetOSVersion |
| fi |
| |
| [ "$os_VENDOR" = "openSUSE" ] || [ "$os_VENDOR" = "SUSE LINUX" ] |
| } |
| |
| |
| # Determine if current distribution is an Ubuntu-based distribution |
| # It will also detect non-Ubuntu but Debian-based distros |
| # is_ubuntu |
| function is_ubuntu { |
| if [[ -z "$os_PACKAGE" ]]; then |
| GetOSVersion |
| fi |
| [ "$os_PACKAGE" = "deb" ] |
| } |
| |
| |
| # Git Functions |
| # ============= |
| |
| # Returns openstack release name for a given branch name |
| # ``get_release_name_from_branch branch-name`` |
| function get_release_name_from_branch { |
| local branch=$1 |
| if [[ $branch =~ "stable/" || $branch =~ "proposed/" ]]; then |
| echo ${branch#*/} |
| else |
| echo "master" |
| fi |
| } |
| |
| # git clone only if directory doesn't exist already. Since ``DEST`` might not |
| # be owned by the installation user, we create the directory and change the |
| # ownership to the proper user. |
| # Set global ``RECLONE=yes`` to simulate a clone when dest-dir exists |
| # Set global ``ERROR_ON_CLONE=True`` to abort execution with an error if the git repo |
| # does not exist (default is False, meaning the repo will be cloned). |
| # Uses globals ``ERROR_ON_CLONE``, ``OFFLINE``, ``RECLONE`` |
| # git_clone remote dest-dir branch |
| function git_clone { |
| local git_remote=$1 |
| local git_dest=$2 |
| local git_ref=$3 |
| local orig_dir=$(pwd) |
| local git_clone_flags="" |
| |
| RECLONE=$(trueorfalse False RECLONE) |
| if [[ "${GIT_DEPTH}" -gt 0 ]]; then |
| git_clone_flags="$git_clone_flags --depth $GIT_DEPTH" |
| fi |
| |
| if [[ "$OFFLINE" = "True" ]]; then |
| echo "Running in offline mode, clones already exist" |
| # print out the results so we know what change was used in the logs |
| cd $git_dest |
| git show --oneline | head -1 |
| cd $orig_dir |
| return |
| fi |
| |
| if echo $git_ref | egrep -q "^refs"; then |
| # If our branch name is a gerrit style refs/changes/... |
| if [[ ! -d $git_dest ]]; then |
| [[ "$ERROR_ON_CLONE" = "True" ]] && \ |
| die $LINENO "Cloning not allowed in this configuration" |
| git_timed clone $git_clone_flags $git_remote $git_dest |
| fi |
| cd $git_dest |
| git_timed fetch $git_remote $git_ref && git checkout FETCH_HEAD |
| else |
| # do a full clone only if the directory doesn't exist |
| if [[ ! -d $git_dest ]]; then |
| [[ "$ERROR_ON_CLONE" = "True" ]] && \ |
| die $LINENO "Cloning not allowed in this configuration" |
| git_timed clone $git_clone_flags $git_remote $git_dest |
| cd $git_dest |
| # This checkout syntax works for both branches and tags |
| git checkout $git_ref |
| elif [[ "$RECLONE" = "True" ]]; then |
| # if it does exist then simulate what clone does if asked to RECLONE |
| cd $git_dest |
| # set the url to pull from and fetch |
| git remote set-url origin $git_remote |
| git_timed fetch origin |
| # remove the existing ignored files (like pyc) as they cause breakage |
| # (due to the py files having older timestamps than our pyc, so python |
| # thinks the pyc files are correct using them) |
| find $git_dest -name '*.pyc' -delete |
| |
| # handle git_ref accordingly to type (tag, branch) |
| if [[ -n "`git show-ref refs/tags/$git_ref`" ]]; then |
| git_update_tag $git_ref |
| elif [[ -n "`git show-ref refs/heads/$git_ref`" ]]; then |
| git_update_branch $git_ref |
| elif [[ -n "`git show-ref refs/remotes/origin/$git_ref`" ]]; then |
| git_update_remote_branch $git_ref |
| else |
| die $LINENO "$git_ref is neither branch nor tag" |
| fi |
| |
| fi |
| fi |
| |
| # print out the results so we know what change was used in the logs |
| cd $git_dest |
| git show --oneline | head -1 |
| cd $orig_dir |
| } |
| |
| # A variation on git clone that lets us specify a project by it's |
| # actual name, like oslo.config. This is exceptionally useful in the |
| # library installation case |
| function git_clone_by_name { |
| local name=$1 |
| local repo=${GITREPO[$name]} |
| local dir=${GITDIR[$name]} |
| local branch=${GITBRANCH[$name]} |
| git_clone $repo $dir $branch |
| } |
| |
| |
| # git can sometimes get itself infinitely stuck with transient network |
| # errors or other issues with the remote end. This wraps git in a |
| # timeout/retry loop and is intended to watch over non-local git |
| # processes that might hang. GIT_TIMEOUT, if set, is passed directly |
| # to timeout(1); otherwise the default value of 0 maintains the status |
| # quo of waiting forever. |
| # usage: git_timed <git-command> |
| function git_timed { |
| local count=0 |
| local timeout=0 |
| |
| if [[ -n "${GIT_TIMEOUT}" ]]; then |
| timeout=${GIT_TIMEOUT} |
| fi |
| |
| until timeout -s SIGINT ${timeout} git "$@"; do |
| # 124 is timeout(1)'s special return code when it reached the |
| # timeout; otherwise assume fatal failure |
| if [[ $? -ne 124 ]]; then |
| die $LINENO "git call failed: [git $@]" |
| fi |
| |
| count=$(($count + 1)) |
| warn $LINENO "timeout ${count} for git call: [git $@]" |
| if [ $count -eq 3 ]; then |
| die $LINENO "Maximum of 3 git retries reached" |
| fi |
| sleep 5 |
| done |
| } |
| |
| # git update using reference as a branch. |
| # git_update_branch ref |
| function git_update_branch { |
| local git_branch=$1 |
| |
| git checkout -f origin/$git_branch |
| # a local branch might not exist |
| git branch -D $git_branch || true |
| git checkout -b $git_branch |
| } |
| |
| # git update using reference as a branch. |
| # git_update_remote_branch ref |
| function git_update_remote_branch { |
| local git_branch=$1 |
| |
| git checkout -b $git_branch -t origin/$git_branch |
| } |
| |
| # git update using reference as a tag. Be careful editing source at that repo |
| # as working copy will be in a detached mode |
| # git_update_tag ref |
| function git_update_tag { |
| local git_tag=$1 |
| |
| git tag -d $git_tag |
| # fetching given tag only |
| git_timed fetch origin tag $git_tag |
| git checkout -f $git_tag |
| } |
| |
| |
| # OpenStack Functions |
| # =================== |
| |
| # Get the default value for HOST_IP |
| # get_default_host_ip fixed_range floating_range host_ip_iface host_ip |
| function get_default_host_ip { |
| local fixed_range=$1 |
| local floating_range=$2 |
| local host_ip_iface=$3 |
| local host_ip=$4 |
| |
| # Search for an IP unless an explicit is set by ``HOST_IP`` environment variable |
| if [ -z "$host_ip" -o "$host_ip" == "dhcp" ]; then |
| host_ip="" |
| # Find the interface used for the default route |
| host_ip_iface=${host_ip_iface:-$(ip route | awk '/default/ {print $5}' | head -1)} |
| local host_ips=$(LC_ALL=C ip -f inet addr show ${host_ip_iface} | awk '/inet/ {split($2,parts,"/"); print parts[1]}') |
| local ip |
| for ip in $host_ips; do |
| # Attempt to filter out IP addresses that are part of the fixed and |
| # floating range. Note that this method only works if the ``netaddr`` |
| # python library is installed. If it is not installed, an error |
| # will be printed and the first IP from the interface will be used. |
| # If that is not correct set ``HOST_IP`` in ``localrc`` to the correct |
| # address. |
| if ! (address_in_net $ip $fixed_range || address_in_net $ip $floating_range); then |
| host_ip=$ip |
| break; |
| fi |
| done |
| fi |
| echo $host_ip |
| } |
| |
| # Generates hex string from ``size`` byte of pseudo random data |
| # generate_hex_string size |
| function generate_hex_string { |
| local size=$1 |
| hexdump -n "$size" -v -e '/1 "%02x"' /dev/urandom |
| } |
| |
| # Grab a numbered field from python prettytable output |
| # Fields are numbered starting with 1 |
| # Reverse syntax is supported: -1 is the last field, -2 is second to last, etc. |
| # get_field field-number |
| function get_field { |
| local data field |
| while read data; do |
| if [ "$1" -lt 0 ]; then |
| field="(\$(NF$1))" |
| else |
| field="\$$(($1 + 1))" |
| fi |
| echo "$data" | awk -F'[ \t]*\\|[ \t]*' "{print $field}" |
| done |
| } |
| |
| # install default policy |
| # copy over a default policy.json and policy.d for projects |
| function install_default_policy { |
| local project=$1 |
| local project_uc=$(echo $1|tr a-z A-Z) |
| local conf_dir="${project_uc}_CONF_DIR" |
| # eval conf dir to get the variable |
| conf_dir="${!conf_dir}" |
| local project_dir="${project_uc}_DIR" |
| # eval project dir to get the variable |
| project_dir="${!project_dir}" |
| local sample_conf_dir="${project_dir}/etc/${project}" |
| local sample_policy_dir="${project_dir}/etc/${project}/policy.d" |
| |
| # first copy any policy.json |
| cp -p $sample_conf_dir/policy.json $conf_dir |
| # then optionally copy over policy.d |
| if [[ -d $sample_policy_dir ]]; then |
| cp -r $sample_policy_dir $conf_dir/policy.d |
| fi |
| } |
| |
| # Add a policy to a policy.json file |
| # Do nothing if the policy already exists |
| # ``policy_add policy_file policy_name policy_permissions`` |
| function policy_add { |
| local policy_file=$1 |
| local policy_name=$2 |
| local policy_perm=$3 |
| |
| if grep -q ${policy_name} ${policy_file}; then |
| echo "Policy ${policy_name} already exists in ${policy_file}" |
| return |
| fi |
| |
| # Add a terminating comma to policy lines without one |
| # Remove the closing '}' and all lines following to the end-of-file |
| local tmpfile=$(mktemp) |
| uniq ${policy_file} | sed -e ' |
| s/]$/],/ |
| /^[}]/,$d |
| ' > ${tmpfile} |
| |
| # Append policy and closing brace |
| echo " \"${policy_name}\": ${policy_perm}" >>${tmpfile} |
| echo "}" >>${tmpfile} |
| |
| mv ${tmpfile} ${policy_file} |
| } |
| |
| # Gets or creates a domain |
| # Usage: get_or_create_domain <name> <description> |
| function get_or_create_domain { |
| local os_url="$KEYSTONE_SERVICE_URI_V3" |
| # Gets domain id |
| local domain_id=$( |
| # Gets domain id |
| openstack --os-token=$OS_TOKEN --os-url=$os_url \ |
| --os-identity-api-version=3 domain show $1 \ |
| -f value -c id 2>/dev/null || |
| # Creates new domain |
| openstack --os-token=$OS_TOKEN --os-url=$os_url \ |
| --os-identity-api-version=3 domain create $1 \ |
| --description "$2" \ |
| -f value -c id |
| ) |
| echo $domain_id |
| } |
| |
| # Gets or creates group |
| # Usage: get_or_create_group <groupname> [<domain> <description>] |
| function get_or_create_group { |
| local domain=${2:+--domain ${2}} |
| local desc="${3:-}" |
| local os_url="$KEYSTONE_SERVICE_URI_V3" |
| # Gets group id |
| local group_id=$( |
| # Creates new group with --or-show |
| openstack --os-token=$OS_TOKEN --os-url=$os_url \ |
| --os-identity-api-version=3 group create $1 \ |
| $domain --description "$desc" --or-show \ |
| -f value -c id |
| ) |
| echo $group_id |
| } |
| |
| # Gets or creates user |
| # Usage: get_or_create_user <username> <password> [<email> [<domain>]] |
| function get_or_create_user { |
| if [[ ! -z "$3" ]]; then |
| local email="--email=$3" |
| else |
| local email="" |
| fi |
| local os_cmd="openstack" |
| local domain="" |
| if [[ ! -z "$4" ]]; then |
| domain="--domain=$4" |
| os_cmd="$os_cmd --os-url=$KEYSTONE_SERVICE_URI_V3 --os-identity-api-version=3" |
| fi |
| # Gets user id |
| local user_id=$( |
| # Creates new user with --or-show |
| $os_cmd user create \ |
| $1 \ |
| --password "$2" \ |
| $email \ |
| $domain \ |
| --or-show \ |
| -f value -c id |
| ) |
| echo $user_id |
| } |
| |
| # Gets or creates project |
| # Usage: get_or_create_project <name> [<domain>] |
| function get_or_create_project { |
| # Gets project id |
| local os_cmd="openstack" |
| local domain="" |
| if [[ ! -z "$2" ]]; then |
| domain="--domain=$2" |
| os_cmd="$os_cmd --os-url=$KEYSTONE_SERVICE_URI_V3 --os-identity-api-version=3" |
| fi |
| local project_id=$( |
| # Creates new project with --or-show |
| $os_cmd project create $1 $domain --or-show -f value -c id |
| ) |
| echo $project_id |
| } |
| |
| # Gets or creates role |
| # Usage: get_or_create_role <name> |
| function get_or_create_role { |
| local role_id=$( |
| # Creates role with --or-show |
| openstack role create $1 --or-show -f value -c id |
| ) |
| echo $role_id |
| } |
| |
| # Gets or adds user role to project |
| # Usage: get_or_add_user_project_role <role> <user> <project> |
| function get_or_add_user_project_role { |
| # Gets user role id |
| local user_role_id=$(openstack role list \ |
| --user $2 \ |
| --project $3 \ |
| --column "ID" \ |
| --column "Name" \ |
| | grep " $1 " | get_field 1) |
| if [[ -z "$user_role_id" ]]; then |
| # Adds role to user |
| user_role_id=$(openstack role add \ |
| $1 \ |
| --user $2 \ |
| --project $3 \ |
| | grep " id " | get_field 2) |
| fi |
| echo $user_role_id |
| } |
| |
| # Gets or adds group role to project |
| # Usage: get_or_add_group_project_role <role> <group> <project> |
| function get_or_add_group_project_role { |
| # Gets group role id |
| local group_role_id=$(openstack role list \ |
| --group $2 \ |
| --project $3 \ |
| --column "ID" \ |
| --column "Name" \ |
| | grep " $1 " | get_field 1) |
| if [[ -z "$group_role_id" ]]; then |
| # Adds role to group |
| group_role_id=$(openstack role add \ |
| $1 \ |
| --group $2 \ |
| --project $3 \ |
| | grep " id " | get_field 2) |
| fi |
| echo $group_role_id |
| } |
| |
| # Gets or creates service |
| # Usage: get_or_create_service <name> <type> <description> |
| function get_or_create_service { |
| # Gets service id |
| local service_id=$( |
| # Gets service id |
| openstack service show $1 -f value -c id 2>/dev/null || |
| # Creates new service if not exists |
| openstack service create \ |
| $2 \ |
| --name $1 \ |
| --description="$3" \ |
| -f value -c id |
| ) |
| echo $service_id |
| } |
| |
| # Gets or creates endpoint |
| # Usage: get_or_create_endpoint <service> <region> <publicurl> <adminurl> <internalurl> |
| function get_or_create_endpoint { |
| # Gets endpoint id |
| local endpoint_id=$(openstack endpoint list \ |
| --column "ID" \ |
| --column "Region" \ |
| --column "Service Name" \ |
| | grep " $2 " \ |
| | grep " $1 " | get_field 1) |
| if [[ -z "$endpoint_id" ]]; then |
| # Creates new endpoint |
| endpoint_id=$(openstack endpoint create \ |
| $1 \ |
| --region $2 \ |
| --publicurl $3 \ |
| --adminurl $4 \ |
| --internalurl $5 \ |
| | grep " id " | get_field 2) |
| fi |
| echo $endpoint_id |
| } |
| |
| |
| # Package Functions |
| # ================= |
| |
| # _get_package_dir |
| function _get_package_dir { |
| local base_dir=$1 |
| local pkg_dir |
| |
| if [[ -z "$base_dir" ]]; then |
| base_dir=$FILES |
| fi |
| if is_ubuntu; then |
| pkg_dir=$base_dir/debs |
| elif is_fedora; then |
| pkg_dir=$base_dir/rpms |
| elif is_suse; then |
| pkg_dir=$base_dir/rpms-suse |
| else |
| exit_distro_not_supported "list of packages" |
| fi |
| echo "$pkg_dir" |
| } |
| |
| # Wrapper for ``apt-get`` to set cache and proxy environment variables |
| # Uses globals ``OFFLINE``, ``*_proxy`` |
| # apt_get operation package [package ...] |
| function apt_get { |
| local xtrace=$(set +o | grep xtrace) |
| set +o xtrace |
| |
| [[ "$OFFLINE" = "True" || -z "$@" ]] && return |
| local sudo="sudo" |
| [[ "$(id -u)" = "0" ]] && sudo="env" |
| |
| $xtrace |
| |
| $sudo DEBIAN_FRONTEND=noninteractive \ |
| http_proxy=${http_proxy:-} https_proxy=${https_proxy:-} \ |
| no_proxy=${no_proxy:-} \ |
| apt-get --option "Dpkg::Options::=--force-confold" --assume-yes "$@" |
| } |
| |
| function _parse_package_files { |
| local files_to_parse=$@ |
| |
| if [[ -z "$DISTRO" ]]; then |
| GetDistro |
| fi |
| |
| for fname in ${files_to_parse}; do |
| local OIFS line package distros distro |
| [[ -e $fname ]] || continue |
| |
| OIFS=$IFS |
| IFS=$'\n' |
| for line in $(<${fname}); do |
| if [[ $line =~ "NOPRIME" ]]; then |
| continue |
| fi |
| |
| # Assume we want this package |
| package=${line%#*} |
| inst_pkg=1 |
| |
| # Look for # dist:xxx in comment |
| if [[ $line =~ (.*)#.*dist:([^ ]*) ]]; then |
| # We are using BASH regexp matching feature. |
| package=${BASH_REMATCH[1]} |
| distros=${BASH_REMATCH[2]} |
| # In bash ${VAR,,} will lowecase VAR |
| # Look for a match in the distro list |
| if [[ ! ${distros,,} =~ ${DISTRO,,} ]]; then |
| # If no match then skip this package |
| inst_pkg=0 |
| fi |
| fi |
| |
| if [[ $inst_pkg = 1 ]]; then |
| echo $package |
| fi |
| done |
| IFS=$OIFS |
| done |
| } |
| |
| # get_packages() collects a list of package names of any type from the |
| # prerequisite files in ``files/{debs|rpms}``. The list is intended |
| # to be passed to a package installer such as apt or yum. |
| # |
| # Only packages required for the services in 1st argument will be |
| # included. Two bits of metadata are recognized in the prerequisite files: |
| # |
| # - ``# NOPRIME`` defers installation to be performed later in `stack.sh` |
| # - ``# dist:DISTRO`` or ``dist:DISTRO1,DISTRO2`` limits the selection |
| # of the package to the distros listed. The distro names are case insensitive. |
| function get_packages { |
| local xtrace=$(set +o | grep xtrace) |
| set +o xtrace |
| local services=$@ |
| local package_dir=$(_get_package_dir) |
| local file_to_parse="" |
| local service="" |
| |
| if [[ -z "$package_dir" ]]; then |
| echo "No package directory supplied" |
| return 1 |
| fi |
| for service in ${services//,/ }; do |
| # Allow individual services to specify dependencies |
| if [[ -e ${package_dir}/${service} ]]; then |
| file_to_parse="${file_to_parse} ${package_dir}/${service}" |
| fi |
| # NOTE(sdague) n-api needs glance for now because that's where |
| # glance client is |
| if [[ $service == n-api ]]; then |
| if [[ ! $file_to_parse =~ $package_dir/nova ]]; then |
| file_to_parse="${file_to_parse} ${package_dir}/nova" |
| fi |
| if [[ ! $file_to_parse =~ $package_dir/glance ]]; then |
| file_to_parse="${file_to_parse} ${package_dir}/glance" |
| fi |
| elif [[ $service == c-* ]]; then |
| if [[ ! $file_to_parse =~ $package_dir/cinder ]]; then |
| file_to_parse="${file_to_parse} ${package_dir}/cinder" |
| fi |
| elif [[ $service == ceilometer-* ]]; then |
| if [[ ! $file_to_parse =~ $package_dir/ceilometer ]]; then |
| file_to_parse="${file_to_parse} ${package_dir}/ceilometer" |
| fi |
| elif [[ $service == s-* ]]; then |
| if [[ ! $file_to_parse =~ $package_dir/swift ]]; then |
| file_to_parse="${file_to_parse} ${package_dir}/swift" |
| fi |
| elif [[ $service == n-* ]]; then |
| if [[ ! $file_to_parse =~ $package_dir/nova ]]; then |
| file_to_parse="${file_to_parse} ${package_dir}/nova" |
| fi |
| elif [[ $service == g-* ]]; then |
| if [[ ! $file_to_parse =~ $package_dir/glance ]]; then |
| file_to_parse="${file_to_parse} ${package_dir}/glance" |
| fi |
| elif [[ $service == key* ]]; then |
| if [[ ! $file_to_parse =~ $package_dir/keystone ]]; then |
| file_to_parse="${file_to_parse} ${package_dir}/keystone" |
| fi |
| elif [[ $service == q-* ]]; then |
| if [[ ! $file_to_parse =~ $package_dir/neutron ]]; then |
| file_to_parse="${file_to_parse} ${package_dir}/neutron" |
| fi |
| elif [[ $service == ir-* ]]; then |
| if [[ ! $file_to_parse =~ $package_dir/ironic ]]; then |
| file_to_parse="${file_to_parse} ${package_dir}/ironic" |
| fi |
| fi |
| done |
| echo "$(_parse_package_files $file_to_parse)" |
| $xtrace |
| } |
| |
| # get_plugin_packages() collects a list of package names of any type from a |
| # plugin's prerequisite files in ``$PLUGIN/devstack/files/{debs|rpms}``. The |
| # list is intended to be passed to a package installer such as apt or yum. |
| # |
| # Only packages required for enabled and collected plugins will included. |
| # |
| # The same metadata used in the main DevStack prerequisite files may be used |
| # in these prerequisite files, see get_packages() for more info. |
| function get_plugin_packages { |
| local xtrace=$(set +o | grep xtrace) |
| set +o xtrace |
| local files_to_parse="" |
| local package_dir="" |
| for plugin in ${DEVSTACK_PLUGINS//,/ }; do |
| local package_dir="$(_get_package_dir ${GITDIR[$plugin]}/devstack/files)" |
| files_to_parse+="$package_dir/$plugin" |
| done |
| echo "$(_parse_package_files $files_to_parse)" |
| $xtrace |
| } |
| |
| # Distro-agnostic package installer |
| # Uses globals ``NO_UPDATE_REPOS``, ``REPOS_UPDATED``, ``RETRY_UPDATE`` |
| # install_package package [package ...] |
| function update_package_repo { |
| NO_UPDATE_REPOS=${NO_UPDATE_REPOS:-False} |
| REPOS_UPDATED=${REPOS_UPDATED:-False} |
| RETRY_UPDATE=${RETRY_UPDATE:-False} |
| |
| if [[ "$NO_UPDATE_REPOS" = "True" ]]; then |
| return 0 |
| fi |
| |
| if is_ubuntu; then |
| local xtrace=$(set +o | grep xtrace) |
| set +o xtrace |
| if [[ "$REPOS_UPDATED" != "True" || "$RETRY_UPDATE" = "True" ]]; then |
| # if there are transient errors pulling the updates, that's fine. |
| # It may be secondary repositories that we don't really care about. |
| apt_get update || /bin/true |
| REPOS_UPDATED=True |
| fi |
| $xtrace |
| fi |
| } |
| |
| function real_install_package { |
| if is_ubuntu; then |
| apt_get install "$@" |
| elif is_fedora; then |
| yum_install "$@" |
| elif is_suse; then |
| zypper_install "$@" |
| else |
| exit_distro_not_supported "installing packages" |
| fi |
| } |
| |
| # Distro-agnostic package installer |
| # install_package package [package ...] |
| function install_package { |
| update_package_repo |
| real_install_package $@ || RETRY_UPDATE=True update_package_repo && real_install_package $@ |
| } |
| |
| # Distro-agnostic function to tell if a package is installed |
| # is_package_installed package [package ...] |
| function is_package_installed { |
| if [[ -z "$@" ]]; then |
| return 1 |
| fi |
| |
| if [[ -z "$os_PACKAGE" ]]; then |
| GetOSVersion |
| fi |
| |
| if [[ "$os_PACKAGE" = "deb" ]]; then |
| dpkg -s "$@" > /dev/null 2> /dev/null |
| elif [[ "$os_PACKAGE" = "rpm" ]]; then |
| rpm --quiet -q "$@" |
| else |
| exit_distro_not_supported "finding if a package is installed" |
| fi |
| } |
| |
| # Distro-agnostic package uninstaller |
| # uninstall_package package [package ...] |
| function uninstall_package { |
| if is_ubuntu; then |
| apt_get purge "$@" |
| elif is_fedora; then |
| sudo ${YUM:-yum} remove -y "$@" ||: |
| elif is_suse; then |
| sudo zypper rm "$@" |
| else |
| exit_distro_not_supported "uninstalling packages" |
| fi |
| } |
| |
| # Wrapper for ``yum`` to set proxy environment variables |
| # Uses globals ``OFFLINE``, ``*_proxy``, ``YUM`` |
| # yum_install package [package ...] |
| function yum_install { |
| [[ "$OFFLINE" = "True" ]] && return |
| local sudo="sudo" |
| [[ "$(id -u)" = "0" ]] && sudo="env" |
| |
| # The manual check for missing packages is because yum -y assumes |
| # missing packages are OK. See |
| # https://bugzilla.redhat.com/show_bug.cgi?id=965567 |
| $sudo http_proxy="${http_proxy:-}" https_proxy="${https_proxy:-}" \ |
| no_proxy="${no_proxy:-}" \ |
| ${YUM:-yum} install -y "$@" 2>&1 | \ |
| awk ' |
| BEGIN { fail=0 } |
| /No package/ { fail=1 } |
| { print } |
| END { exit fail }' || \ |
| die $LINENO "Missing packages detected" |
| |
| # also ensure we catch a yum failure |
| if [[ ${PIPESTATUS[0]} != 0 ]]; then |
| die $LINENO "${YUM:-yum} install failure" |
| fi |
| } |
| |
| # zypper wrapper to set arguments correctly |
| # Uses globals ``OFFLINE``, ``*_proxy`` |
| # zypper_install package [package ...] |
| function zypper_install { |
| [[ "$OFFLINE" = "True" ]] && return |
| local sudo="sudo" |
| [[ "$(id -u)" = "0" ]] && sudo="env" |
| $sudo http_proxy="${http_proxy:-}" https_proxy="${https_proxy:-}" \ |
| no_proxy="${no_proxy:-}" \ |
| zypper --non-interactive install --auto-agree-with-licenses "$@" |
| } |
| |
| |
| # Process Functions |
| # ================= |
| |
| # _run_process() is designed to be backgrounded by run_process() to simulate a |
| # fork. It includes the dirty work of closing extra filehandles and preparing log |
| # files to produce the same logs as screen_it(). The log filename is derived |
| # from the service name. |
| # Uses globals ``CURRENT_LOG_TIME``, ``LOGDIR``, ``SCREEN_LOGDIR``, ``SCREEN_NAME``, ``SERVICE_DIR`` |
| # If an optional group is provided sg will be used to set the group of |
| # the command. |
| # _run_process service "command-line" [group] |
| function _run_process { |
| # disable tracing through the exec redirects, it's just confusing in the logs. |
| xtrace=$(set +o | grep xtrace) |
| set +o xtrace |
| |
| local service=$1 |
| local command="$2" |
| local group=$3 |
| |
| # Undo logging redirections and close the extra descriptors |
| exec 1>&3 |
| exec 2>&3 |
| exec 3>&- |
| exec 6>&- |
| |
| local real_logfile="${LOGDIR}/${service}.log.${CURRENT_LOG_TIME}" |
| if [[ -n ${LOGDIR} ]]; then |
| exec 1>&"$real_logfile" 2>&1 |
| ln -sf "$real_logfile" ${LOGDIR}/${service}.log |
| if [[ -n ${SCREEN_LOGDIR} ]]; then |
| # Drop the backward-compat symlink |
| ln -sf "$real_logfile" ${SCREEN_LOGDIR}/screen-${service}.log |
| fi |
| |
| # TODO(dtroyer): Hack to get stdout from the Python interpreter for the logs. |
| export PYTHONUNBUFFERED=1 |
| fi |
| |
| # reenable xtrace before we do *real* work |
| $xtrace |
| |
| # Run under ``setsid`` to force the process to become a session and group leader. |
| # The pid saved can be used with pkill -g to get the entire process group. |
| if [[ -n "$group" ]]; then |
| setsid sg $group "$command" & echo $! >$SERVICE_DIR/$SCREEN_NAME/$service.pid |
| else |
| setsid $command & echo $! >$SERVICE_DIR/$SCREEN_NAME/$service.pid |
| fi |
| |
| # Just silently exit this process |
| exit 0 |
| } |
| |
| # Helper to remove the ``*.failure`` files under ``$SERVICE_DIR/$SCREEN_NAME``. |
| # This is used for ``service_check`` when all the ``screen_it`` are called finished |
| # Uses globals ``SCREEN_NAME``, ``SERVICE_DIR`` |
| # init_service_check |
| function init_service_check { |
| SCREEN_NAME=${SCREEN_NAME:-stack} |
| SERVICE_DIR=${SERVICE_DIR:-${DEST}/status} |
| |
| if [[ ! -d "$SERVICE_DIR/$SCREEN_NAME" ]]; then |
| mkdir -p "$SERVICE_DIR/$SCREEN_NAME" |
| fi |
| |
| rm -f "$SERVICE_DIR/$SCREEN_NAME"/*.failure |
| } |
| |
| # Find out if a process exists by partial name. |
| # is_running name |
| function is_running { |
| local name=$1 |
| ps auxw | grep -v grep | grep ${name} > /dev/null |
| local exitcode=$? |
| # some times I really hate bash reverse binary logic |
| return $exitcode |
| } |
| |
| # Run a single service under screen or directly |
| # If the command includes shell metachatacters (;<>*) it must be run using a shell |
| # If an optional group is provided sg will be used to run the |
| # command as that group. |
| # run_process service "command-line" [group] |
| function run_process { |
| local service=$1 |
| local command="$2" |
| local group=$3 |
| |
| if is_service_enabled $service; then |
| if [[ "$USE_SCREEN" = "True" ]]; then |
| screen_process "$service" "$command" "$group" |
| else |
| # Spawn directly without screen |
| _run_process "$service" "$command" "$group" & |
| fi |
| fi |
| } |
| |
| # Helper to launch a process in a named screen |
| # Uses globals ``CURRENT_LOG_TIME``, ```LOGDIR``, ``SCREEN_LOGDIR``, `SCREEN_NAME``, |
| # ``SERVICE_DIR``, ``USE_SCREEN`` |
| # screen_process name "command-line" [group] |
| # Run a command in a shell in a screen window, if an optional group |
| # is provided, use sg to set the group of the command. |
| function screen_process { |
| local name=$1 |
| local command="$2" |
| local group=$3 |
| |
| SCREEN_NAME=${SCREEN_NAME:-stack} |
| SERVICE_DIR=${SERVICE_DIR:-${DEST}/status} |
| USE_SCREEN=$(trueorfalse True USE_SCREEN) |
| |
| screen -S $SCREEN_NAME -X screen -t $name |
| |
| local real_logfile="${LOGDIR}/${name}.log.${CURRENT_LOG_TIME}" |
| echo "LOGDIR: $LOGDIR" |
| echo "SCREEN_LOGDIR: $SCREEN_LOGDIR" |
| echo "log: $real_logfile" |
| if [[ -n ${LOGDIR} ]]; then |
| screen -S $SCREEN_NAME -p $name -X logfile "$real_logfile" |
| screen -S $SCREEN_NAME -p $name -X log on |
| ln -sf "$real_logfile" ${LOGDIR}/${name}.log |
| if [[ -n ${SCREEN_LOGDIR} ]]; then |
| # Drop the backward-compat symlink |
| ln -sf "$real_logfile" ${SCREEN_LOGDIR}/screen-${1}.log |
| fi |
| fi |
| |
| # sleep to allow bash to be ready to be send the command - we are |
| # creating a new window in screen and then sends characters, so if |
| # bash isn't running by the time we send the command, nothing |
| # happens. This sleep was added originally to handle gate runs |
| # where we needed this to be at least 3 seconds to pass |
| # consistently on slow clouds. Now this is configurable so that we |
| # can determine a reasonable value for the local case which should |
| # be much smaller. |
| sleep ${SCREEN_SLEEP:-3} |
| |
| NL=`echo -ne '\015'` |
| # This fun command does the following: |
| # - the passed server command is backgrounded |
| # - the pid of the background process is saved in the usual place |
| # - the server process is brought back to the foreground |
| # - if the server process exits prematurely the fg command errors |
| # and a message is written to stdout and the process failure file |
| # |
| # The pid saved can be used in stop_process() as a process group |
| # id to kill off all child processes |
| if [[ -n "$group" ]]; then |
| command="sg $group '$command'" |
| fi |
| |
| # Append the process to the screen rc file |
| screen_rc "$name" "$command" |
| |
| screen -S $SCREEN_NAME -p $name -X stuff "$command & echo \$! >$SERVICE_DIR/$SCREEN_NAME/${name}.pid; fg || echo \"$name failed to start\" | tee \"$SERVICE_DIR/$SCREEN_NAME/${name}.failure\"$NL" |
| } |
| |
| # Screen rc file builder |
| # Uses globals ``SCREEN_NAME``, ``SCREENRC`` |
| # screen_rc service "command-line" |
| function screen_rc { |
| SCREEN_NAME=${SCREEN_NAME:-stack} |
| SCREENRC=$TOP_DIR/$SCREEN_NAME-screenrc |
| if [[ ! -e $SCREENRC ]]; then |
| # Name the screen session |
| echo "sessionname $SCREEN_NAME" > $SCREENRC |
| # Set a reasonable statusbar |
| echo "hardstatus alwayslastline '$SCREEN_HARDSTATUS'" >> $SCREENRC |
| # Some distributions override PROMPT_COMMAND for the screen terminal type - turn that off |
| echo "setenv PROMPT_COMMAND /bin/true" >> $SCREENRC |
| echo "screen -t shell bash" >> $SCREENRC |
| fi |
| # If this service doesn't already exist in the screenrc file |
| if ! grep $1 $SCREENRC 2>&1 > /dev/null; then |
| NL=`echo -ne '\015'` |
| echo "screen -t $1 bash" >> $SCREENRC |
| echo "stuff \"$2$NL\"" >> $SCREENRC |
| |
| if [[ -n ${LOGDIR} ]]; then |
| echo "logfile ${LOGDIR}/${1}.log.${CURRENT_LOG_TIME}" >>$SCREENRC |
| echo "log on" >>$SCREENRC |
| fi |
| fi |
| } |
| |
| # Stop a service in screen |
| # If a PID is available use it, kill the whole process group via TERM |
| # If screen is being used kill the screen window; this will catch processes |
| # that did not leave a PID behind |
| # Uses globals ``SCREEN_NAME``, ``SERVICE_DIR``, ``USE_SCREEN`` |
| # screen_stop_service service |
| function screen_stop_service { |
| local service=$1 |
| |
| SCREEN_NAME=${SCREEN_NAME:-stack} |
| SERVICE_DIR=${SERVICE_DIR:-${DEST}/status} |
| USE_SCREEN=$(trueorfalse True USE_SCREEN) |
| |
| if is_service_enabled $service; then |
| # Clean up the screen window |
| screen -S $SCREEN_NAME -p $service -X kill |
| fi |
| } |
| |
| # Stop a service process |
| # If a PID is available use it, kill the whole process group via TERM |
| # If screen is being used kill the screen window; this will catch processes |
| # that did not leave a PID behind |
| # Uses globals ``SERVICE_DIR``, ``USE_SCREEN`` |
| # stop_process service |
| function stop_process { |
| local service=$1 |
| |
| SERVICE_DIR=${SERVICE_DIR:-${DEST}/status} |
| USE_SCREEN=$(trueorfalse True USE_SCREEN) |
| |
| if is_service_enabled $service; then |
| # Kill via pid if we have one available |
| if [[ -r $SERVICE_DIR/$SCREEN_NAME/$service.pid ]]; then |
| pkill -g $(cat $SERVICE_DIR/$SCREEN_NAME/$service.pid) |
| rm $SERVICE_DIR/$SCREEN_NAME/$service.pid |
| fi |
| if [[ "$USE_SCREEN" = "True" ]]; then |
| # Clean up the screen window |
| screen_stop_service $service |
| fi |
| fi |
| } |
| |
| # Helper to get the status of each running service |
| # Uses globals ``SCREEN_NAME``, ``SERVICE_DIR`` |
| # service_check |
| function service_check { |
| local service |
| local failures |
| SCREEN_NAME=${SCREEN_NAME:-stack} |
| SERVICE_DIR=${SERVICE_DIR:-${DEST}/status} |
| |
| |
| if [[ ! -d "$SERVICE_DIR/$SCREEN_NAME" ]]; then |
| echo "No service status directory found" |
| return |
| fi |
| |
| # Check if there is any falure flag file under $SERVICE_DIR/$SCREEN_NAME |
| # make this -o errexit safe |
| failures=`ls "$SERVICE_DIR/$SCREEN_NAME"/*.failure 2>/dev/null || /bin/true` |
| |
| for service in $failures; do |
| service=`basename $service` |
| service=${service%.failure} |
| echo "Error: Service $service is not running" |
| done |
| |
| if [ -n "$failures" ]; then |
| die $LINENO "More details about the above errors can be found with screen, with ./rejoin-stack.sh" |
| fi |
| } |
| |
| # Tail a log file in a screen if USE_SCREEN is true. |
| function tail_log { |
| local name=$1 |
| local logfile=$2 |
| |
| USE_SCREEN=$(trueorfalse True USE_SCREEN) |
| if [[ "$USE_SCREEN" = "True" ]]; then |
| screen_process "$name" "sudo tail -f $logfile" |
| fi |
| } |
| |
| |
| # Deprecated Functions |
| # -------------------- |
| |
| # _old_run_process() is designed to be backgrounded by old_run_process() to simulate a |
| # fork. It includes the dirty work of closing extra filehandles and preparing log |
| # files to produce the same logs as screen_it(). The log filename is derived |
| # from the service name and global-and-now-misnamed ``SCREEN_LOGDIR`` |
| # Uses globals ``CURRENT_LOG_TIME``, ``SCREEN_LOGDIR``, ``SCREEN_NAME``, ``SERVICE_DIR`` |
| # _old_run_process service "command-line" |
| function _old_run_process { |
| local service=$1 |
| local command="$2" |
| |
| # Undo logging redirections and close the extra descriptors |
| exec 1>&3 |
| exec 2>&3 |
| exec 3>&- |
| exec 6>&- |
| |
| if [[ -n ${SCREEN_LOGDIR} ]]; then |
| exec 1>&${SCREEN_LOGDIR}/screen-${1}.log.${CURRENT_LOG_TIME} 2>&1 |
| ln -sf ${SCREEN_LOGDIR}/screen-${1}.log.${CURRENT_LOG_TIME} ${SCREEN_LOGDIR}/screen-${1}.log |
| |
| # TODO(dtroyer): Hack to get stdout from the Python interpreter for the logs. |
| export PYTHONUNBUFFERED=1 |
| fi |
| |
| exec /bin/bash -c "$command" |
| die "$service exec failure: $command" |
| } |
| |
| # old_run_process() launches a child process that closes all file descriptors and |
| # then exec's the passed in command. This is meant to duplicate the semantics |
| # of screen_it() without screen. PIDs are written to |
| # ``$SERVICE_DIR/$SCREEN_NAME/$service.pid`` by the spawned child process. |
| # old_run_process service "command-line" |
| function old_run_process { |
| local service=$1 |
| local command="$2" |
| |
| # Spawn the child process |
| _old_run_process "$service" "$command" & |
| echo $! |
| } |
| |
| # Compatibility for existing start_XXXX() functions |
| # Uses global ``USE_SCREEN`` |
| # screen_it service "command-line" |
| function screen_it { |
| if is_service_enabled $1; then |
| # Append the service to the screen rc file |
| screen_rc "$1" "$2" |
| |
| if [[ "$USE_SCREEN" = "True" ]]; then |
| screen_process "$1" "$2" |
| else |
| # Spawn directly without screen |
| old_run_process "$1" "$2" >$SERVICE_DIR/$SCREEN_NAME/$1.pid |
| fi |
| fi |
| } |
| |
| # Compatibility for existing stop_XXXX() functions |
| # Stop a service in screen |
| # If a PID is available use it, kill the whole process group via TERM |
| # If screen is being used kill the screen window; this will catch processes |
| # that did not leave a PID behind |
| # screen_stop service |
| function screen_stop { |
| # Clean up the screen window |
| stop_process $1 |
| } |
| |
| |
| # Plugin Functions |
| # ================= |
| |
| DEVSTACK_PLUGINS=${DEVSTACK_PLUGINS:-""} |
| |
| # enable_plugin <name> <url> [branch] |
| # |
| # ``name`` is an arbitrary name - (aka: glusterfs, nova-docker, zaqar) |
| # ``url`` is a git url |
| # ``branch`` is a gitref. If it's not set, defaults to master |
| function enable_plugin { |
| local name=$1 |
| local url=$2 |
| local branch=${3:-master} |
| DEVSTACK_PLUGINS+=",$name" |
| GITREPO[$name]=$url |
| GITDIR[$name]=$DEST/$name |
| GITBRANCH[$name]=$branch |
| } |
| |
| # fetch_plugins |
| # |
| # clones all plugins |
| function fetch_plugins { |
| local plugins="${DEVSTACK_PLUGINS}" |
| local plugin |
| |
| # short circuit if nothing to do |
| if [[ -z $plugins ]]; then |
| return |
| fi |
| |
| echo "Fetching DevStack plugins" |
| for plugin in ${plugins//,/ }; do |
| git_clone_by_name $plugin |
| done |
| } |
| |
| # load_plugin_settings |
| # |
| # Load settings from plugins in the order that they were registered |
| function load_plugin_settings { |
| local plugins="${DEVSTACK_PLUGINS}" |
| local plugin |
| |
| # short circuit if nothing to do |
| if [[ -z $plugins ]]; then |
| return |
| fi |
| |
| echo "Loading plugin settings" |
| for plugin in ${plugins//,/ }; do |
| local dir=${GITDIR[$plugin]} |
| # source any known settings |
| if [[ -f $dir/devstack/settings ]]; then |
| source $dir/devstack/settings |
| fi |
| done |
| } |
| |
| # plugin_override_defaults |
| # |
| # Run an extremely early setting phase for plugins that allows default |
| # overriding of services. |
| function plugin_override_defaults { |
| local plugins="${DEVSTACK_PLUGINS}" |
| local plugin |
| |
| # short circuit if nothing to do |
| if [[ -z $plugins ]]; then |
| return |
| fi |
| |
| echo "Overriding Configuration Defaults" |
| for plugin in ${plugins//,/ }; do |
| local dir=${GITDIR[$plugin]} |
| # source any overrides |
| if [[ -f $dir/devstack/override-defaults ]]; then |
| # be really verbose that an override is happening, as it |
| # may not be obvious if things fail later. |
| echo "$plugin has overriden the following defaults" |
| cat $dir/devstack/override-defaults |
| source $dir/devstack/override-defaults |
| fi |
| done |
| } |
| |
| # run_plugins |
| # |
| # Run the devstack/plugin.sh in all the plugin directories. These are |
| # run in registration order. |
| function run_plugins { |
| local mode=$1 |
| local phase=$2 |
| |
| local plugins="${DEVSTACK_PLUGINS}" |
| local plugin |
| for plugin in ${plugins//,/ }; do |
| local dir=${GITDIR[$plugin]} |
| if [[ -f $dir/devstack/plugin.sh ]]; then |
| source $dir/devstack/plugin.sh $mode $phase |
| fi |
| done |
| } |
| |
| function run_phase { |
| local mode=$1 |
| local phase=$2 |
| if [[ -d $TOP_DIR/extras.d ]]; then |
| for i in $TOP_DIR/extras.d/*.sh; do |
| [[ -r $i ]] && source $i $mode $phase |
| done |
| fi |
| # the source phase corresponds to settings loading in plugins |
| if [[ "$mode" == "source" ]]; then |
| load_plugin_settings |
| elif [[ "$mode" == "override_defaults" ]]; then |
| plugin_override_defaults |
| else |
| run_plugins $mode $phase |
| fi |
| } |
| |
| |
| # Service Functions |
| # ================= |
| |
| # remove extra commas from the input string (i.e. ``ENABLED_SERVICES``) |
| # _cleanup_service_list service-list |
| function _cleanup_service_list { |
| echo "$1" | sed -e ' |
| s/,,/,/g; |
| s/^,//; |
| s/,$// |
| ' |
| } |
| |
| # disable_all_services() removes all current services |
| # from ``ENABLED_SERVICES`` to reset the configuration |
| # before a minimal installation |
| # Uses global ``ENABLED_SERVICES`` |
| # disable_all_services |
| function disable_all_services { |
| ENABLED_SERVICES="" |
| } |
| |
| # Remove all services starting with '-'. For example, to install all default |
| # services except rabbit (rabbit) set in ``localrc``: |
| # ENABLED_SERVICES+=",-rabbit" |
| # Uses global ``ENABLED_SERVICES`` |
| # disable_negated_services |
| function disable_negated_services { |
| local to_remove="" |
| local remaining="" |
| local service |
| |
| # build up list of services that should be removed; i.e. they |
| # begin with "-" |
| for service in ${ENABLED_SERVICES//,/ }; do |
| if [[ ${service} == -* ]]; then |
| to_remove+=",${service#-}" |
| else |
| remaining+=",${service}" |
| fi |
| done |
| |
| # go through the service list. if this service appears in the "to |
| # be removed" list, drop it |
| ENABLED_SERVICES=$(remove_disabled_services "$remaining" "$to_remove") |
| } |
| |
| # disable_service() removes the services passed as argument to the |
| # ``ENABLED_SERVICES`` list, if they are present. |
| # |
| # For example: |
| # disable_service rabbit |
| # |
| # This function does not know about the special cases |
| # for nova, glance, and neutron built into is_service_enabled(). |
| # Uses global ``ENABLED_SERVICES`` |
| # disable_service service [service ...] |
| function disable_service { |
| local tmpsvcs=",${ENABLED_SERVICES}," |
| local service |
| for service in $@; do |
| if is_service_enabled $service; then |
| tmpsvcs=${tmpsvcs//,$service,/,} |
| fi |
| done |
| ENABLED_SERVICES=$(_cleanup_service_list "$tmpsvcs") |
| } |
| |
| # enable_service() adds the services passed as argument to the |
| # ``ENABLED_SERVICES`` list, if they are not already present. |
| # |
| # For example: |
| # enable_service qpid |
| # |
| # This function does not know about the special cases |
| # for nova, glance, and neutron built into is_service_enabled(). |
| # Uses global ``ENABLED_SERVICES`` |
| # enable_service service [service ...] |
| function enable_service { |
| local tmpsvcs="${ENABLED_SERVICES}" |
| local service |
| for service in $@; do |
| if ! is_service_enabled $service; then |
| tmpsvcs+=",$service" |
| fi |
| done |
| ENABLED_SERVICES=$(_cleanup_service_list "$tmpsvcs") |
| disable_negated_services |
| } |
| |
| # is_service_enabled() checks if the service(s) specified as arguments are |
| # enabled by the user in ``ENABLED_SERVICES``. |
| # |
| # Multiple services specified as arguments are ``OR``'ed together; the test |
| # is a short-circuit boolean, i.e it returns on the first match. |
| # |
| # There are special cases for some 'catch-all' services:: |
| # **nova** returns true if any service enabled start with **n-** |
| # **cinder** returns true if any service enabled start with **c-** |
| # **ceilometer** returns true if any service enabled start with **ceilometer** |
| # **glance** returns true if any service enabled start with **g-** |
| # **neutron** returns true if any service enabled start with **q-** |
| # **swift** returns true if any service enabled start with **s-** |
| # **trove** returns true if any service enabled start with **tr-** |
| # For backward compatibility if we have **swift** in ENABLED_SERVICES all the |
| # **s-** services will be enabled. This will be deprecated in the future. |
| # |
| # Cells within nova is enabled if **n-cell** is in ``ENABLED_SERVICES``. |
| # We also need to make sure to treat **n-cell-region** and **n-cell-child** |
| # as enabled in this case. |
| # |
| # Uses global ``ENABLED_SERVICES`` |
| # is_service_enabled service [service ...] |
| function is_service_enabled { |
| local xtrace=$(set +o | grep xtrace) |
| set +o xtrace |
| local enabled=1 |
| local services=$@ |
| local service |
| for service in ${services}; do |
| [[ ,${ENABLED_SERVICES}, =~ ,${service}, ]] && enabled=0 |
| |
| # Look for top-level 'enabled' function for this service |
| if type is_${service}_enabled >/dev/null 2>&1; then |
| # A function exists for this service, use it |
| is_${service}_enabled |
| enabled=$? |
| fi |
| |
| # TODO(dtroyer): Remove these legacy special-cases after the is_XXX_enabled() |
| # are implemented |
| |
| [[ ${service} == n-cell-* && ${ENABLED_SERVICES} =~ "n-cell" ]] && enabled=0 |
| [[ ${service} == n-cpu-* && ${ENABLED_SERVICES} =~ "n-cpu" ]] && enabled=0 |
| [[ ${service} == "nova" && ${ENABLED_SERVICES} =~ "n-" ]] && enabled=0 |
| [[ ${service} == "cinder" && ${ENABLED_SERVICES} =~ "c-" ]] && enabled=0 |
| [[ ${service} == "ceilometer" && ${ENABLED_SERVICES} =~ "ceilometer-" ]] && enabled=0 |
| [[ ${service} == "glance" && ${ENABLED_SERVICES} =~ "g-" ]] && enabled=0 |
| [[ ${service} == "ironic" && ${ENABLED_SERVICES} =~ "ir-" ]] && enabled=0 |
| [[ ${service} == "neutron" && ${ENABLED_SERVICES} =~ "q-" ]] && enabled=0 |
| [[ ${service} == "trove" && ${ENABLED_SERVICES} =~ "tr-" ]] && enabled=0 |
| [[ ${service} == "swift" && ${ENABLED_SERVICES} =~ "s-" ]] && enabled=0 |
| [[ ${service} == s-* && ${ENABLED_SERVICES} =~ "swift" ]] && enabled=0 |
| done |
| $xtrace |
| return $enabled |
| } |
| |
| # remove specified list from the input string |
| # remove_disabled_services service-list remove-list |
| function remove_disabled_services { |
| local service_list=$1 |
| local remove_list=$2 |
| local service |
| local enabled="" |
| |
| for service in ${service_list//,/ }; do |
| local remove |
| local add=1 |
| for remove in ${remove_list//,/ }; do |
| if [[ ${remove} == ${service} ]]; then |
| add=0 |
| break |
| fi |
| done |
| if [[ $add == 1 ]]; then |
| enabled="${enabled},$service" |
| fi |
| done |
| _cleanup_service_list "$enabled" |
| } |
| |
| # Toggle enable/disable_service for services that must run exclusive of each other |
| # $1 The name of a variable containing a space-separated list of services |
| # $2 The name of a variable in which to store the enabled service's name |
| # $3 The name of the service to enable |
| function use_exclusive_service { |
| local options=${!1} |
| local selection=$3 |
| local out=$2 |
| [ -z $selection ] || [[ ! "$options" =~ "$selection" ]] && return 1 |
| local opt |
| for opt in $options;do |
| [[ "$opt" = "$selection" ]] && enable_service $opt || disable_service $opt |
| done |
| eval "$out=$selection" |
| return 0 |
| } |
| |
| |
| # System Functions |
| # ================ |
| |
| # Only run the command if the target file (the last arg) is not on an |
| # NFS filesystem. |
| function _safe_permission_operation { |
| local xtrace=$(set +o | grep xtrace) |
| set +o xtrace |
| local args=( $@ ) |
| local last |
| local sudo_cmd |
| local dir_to_check |
| |
| let last="${#args[*]} - 1" |
| |
| local dir_to_check=${args[$last]} |
| if [ ! -d "$dir_to_check" ]; then |
| dir_to_check=`dirname "$dir_to_check"` |
| fi |
| |
| if is_nfs_directory "$dir_to_check" ; then |
| $xtrace |
| return 0 |
| fi |
| |
| if [[ $TRACK_DEPENDS = True ]]; then |
| sudo_cmd="env" |
| else |
| sudo_cmd="sudo" |
| fi |
| |
| $xtrace |
| $sudo_cmd $@ |
| } |
| |
| # Exit 0 if address is in network or 1 if address is not in network |
| # ip-range is in CIDR notation: 1.2.3.4/20 |
| # address_in_net ip-address ip-range |
| function address_in_net { |
| local ip=$1 |
| local range=$2 |
| local masklen=${range#*/} |
| local network=$(maskip ${range%/*} $(cidr2netmask $masklen)) |
| local subnet=$(maskip $ip $(cidr2netmask $masklen)) |
| [[ $network == $subnet ]] |
| } |
| |
| # Add a user to a group. |
| # add_user_to_group user group |
| function add_user_to_group { |
| local user=$1 |
| local group=$2 |
| |
| sudo usermod -a -G "$group" "$user" |
| } |
| |
| # Convert CIDR notation to a IPv4 netmask |
| # cidr2netmask cidr-bits |
| function cidr2netmask { |
| local maskpat="255 255 255 255" |
| local maskdgt="254 252 248 240 224 192 128" |
| set -- ${maskpat:0:$(( ($1 / 8) * 4 ))}${maskdgt:$(( (7 - ($1 % 8)) * 4 )):3} |
| echo ${1-0}.${2-0}.${3-0}.${4-0} |
| } |
| |
| # Gracefully cp only if source file/dir exists |
| # cp_it source destination |
| function cp_it { |
| if [ -e $1 ] || [ -d $1 ]; then |
| cp -pRL $1 $2 |
| fi |
| } |
| |
| # HTTP and HTTPS proxy servers are supported via the usual environment variables [1] |
| # ``http_proxy``, ``https_proxy`` and ``no_proxy``. They can be set in |
| # ``localrc`` or on the command line if necessary:: |
| # |
| # [1] http://www.w3.org/Daemon/User/Proxies/ProxyClients.html |
| # |
| # http_proxy=http://proxy.example.com:3128/ no_proxy=repo.example.net ./stack.sh |
| |
| function export_proxy_variables { |
| if isset http_proxy ; then |
| export http_proxy=$http_proxy |
| fi |
| if isset https_proxy ; then |
| export https_proxy=$https_proxy |
| fi |
| if isset no_proxy ; then |
| export no_proxy=$no_proxy |
| fi |
| } |
| |
| # Returns true if the directory is on a filesystem mounted via NFS. |
| function is_nfs_directory { |
| local mount_type=`stat -f -L -c %T $1` |
| test "$mount_type" == "nfs" |
| } |
| |
| # Return the network portion of the given IP address using netmask |
| # netmask is in the traditional dotted-quad format |
| # maskip ip-address netmask |
| function maskip { |
| local ip=$1 |
| local mask=$2 |
| local l="${ip%.*}"; local r="${ip#*.}"; local n="${mask%.*}"; local m="${mask#*.}" |
| local subnet=$((${ip%%.*}&${mask%%.*})).$((${r%%.*}&${m%%.*})).$((${l##*.}&${n##*.})).$((${ip##*.}&${mask##*.})) |
| echo $subnet |
| } |
| |
| # Return the current python as "python<major>.<minor>" |
| function python_version { |
| local python_version=$(python -c 'import sys; print("%s.%s" % sys.version_info[0:2])') |
| echo "python${python_version}" |
| } |
| |
| # Service wrapper to restart services |
| # restart_service service-name |
| function restart_service { |
| if is_ubuntu; then |
| sudo /usr/sbin/service $1 restart |
| else |
| sudo /sbin/service $1 restart |
| fi |
| } |
| |
| # Only change permissions of a file or directory if it is not on an |
| # NFS filesystem. |
| function safe_chmod { |
| _safe_permission_operation chmod $@ |
| } |
| |
| # Only change ownership of a file or directory if it is not on an NFS |
| # filesystem. |
| function safe_chown { |
| _safe_permission_operation chown $@ |
| } |
| |
| # Service wrapper to start services |
| # start_service service-name |
| function start_service { |
| if is_ubuntu; then |
| sudo /usr/sbin/service $1 start |
| else |
| sudo /sbin/service $1 start |
| fi |
| } |
| |
| # Service wrapper to stop services |
| # stop_service service-name |
| function stop_service { |
| if is_ubuntu; then |
| sudo /usr/sbin/service $1 stop |
| else |
| sudo /sbin/service $1 stop |
| fi |
| } |
| |
| |
| # Restore xtrace |
| $XTRACE |
| |
| # Local variables: |
| # mode: shell-script |
| # End: |