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#!/usr/bin/env bash
#
# Copyright (C) 2014 Cloudwatt <libre.licensing@cloudwatt.com>
# Copyright (C) 2014, 2015 Red Hat <contact@redhat.com>
#
# Author: Loic Dachary <loic@dachary.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU Library Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Library Public License for more details.
#

source $CEPH_ROOT/qa/standalone/ceph-helpers.sh

function run() {
    local dir=$1
    shift

    export CEPH_MON="127.0.0.1:7100" # git grep '\<7100\>' : there must be only one
    export CEPH_ARGS
    CEPH_ARGS+="--fsid=$(uuidgen) --auth-supported=none "
    CEPH_ARGS+="--mon-host=$CEPH_MON "

    local funcs=${@:-$(set | sed -n -e 's/^\(TEST_[0-9a-z_]*\) .*/\1/p')}
    for func in $funcs ; do
        setup $dir || return 1
        $func $dir || return 1
        teardown $dir || return 1
    done
}

function TEST_config_init() {
    local dir=$1

    run_mon $dir a || return 1
    run_mgr $dir x || return 1
    local stale=1000
    local cache=500
    run_osd $dir 0 \
        --osd-map-cache-size=$cache \
        --osd-pg-epoch-persisted-max-stale=$stale \
        || return 1
    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.0) log flush || return 1
    grep 'is not > osd_pg_epoch_persisted_max_stale' $dir/osd.0.log || return 1
}

function TEST_config_track() {
    local dir=$1

    run_mon $dir a || return 1
    run_mgr $dir x || return 1
    run_osd $dir 0 || return 1

    local osd_map_cache_size=$(CEPH_ARGS='' ceph-conf \
        --show-config-value osd_map_cache_size)
    local osd_pg_epoch_persisted_max_stale=$(CEPH_ARGS='' ceph-conf \
        --show-config-value osd_pg_epoch_persisted_max_stale)

    #
    # increase the osd_pg_epoch_persisted_max_stale above the default cache_size
    #
    ! grep 'is not > osd_pg_epoch_persisted_max_stale' $dir/osd.0.log || return 1
    local stale=$(($osd_map_cache_size * 2))
    ceph tell osd.0 injectargs "--osd-pg-epoch-persisted-max-stale $stale" || return 1
    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.0) log flush || return 1
    grep 'is not > osd_pg_epoch_persisted_max_stale' $dir/osd.0.log || return 1
    rm $dir/osd.0.log
    CEPH_ARGS='' ceph --admin-daemon $(get_asok_path osd.0) log reopen || return 1
}

function TEST_default_adjustment() {
    a=$(ceph-osd --no-mon-config --show-config-value rgw_torrent_origin)
    b=$(ceph-osd --no-mon-config --show-config-value rgw_torrent_origin --default-rgw-torrent-origin default)
    c=$(ceph-osd --no-mon-config --show-config-value rgw_torrent_origin --default-rgw-torrent-origin arg)
    [ "$a" != "default" ] || return 1
    [ "$b" = "default" ] || return 1
    [ "$c" = "arg" ] || return 1

    a=$(ceph-osd --no-mon-config --show-config-value log_to_file)
    b=$(ceph-osd --no-mon-config --show-config-value log_to_file --default-log-to-file=false)
    c=$(ceph-osd --no-mon-config --show-config-value log_to_file --default-log-to-file=false --log-to-file)
    [ "$a" = "true" ] || return 1
    [ "$b" = "false" ] || return 1
    [ "$c" = "true" ] || return 1
}

main osd-config "$@"

# Local Variables:
# compile-command: "cd ../.. ; make -j4 && test/osd/osd-config.sh"
# End: