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GeezerVison is showing github.com — devstack/functions at master · d3llf/devstack Expand file tree/ Copy pathfunctionsMore file actions 1184 lines (1038 loc) · 36.3 KB / Copy pathfunctionsFile metadata and controls1184 lines (1038 loc) · 36.3 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 # functions - Common functions used by DevStack components # # The following variables are assumed to be defined by certain functions: # ``ENABLED_SERVICES`` # ``EROR_ON_CLONE`` # ``FILES`` # ``GLANCE_HOSTPORT`` # ``OFFLINE`` # ``PIP_DOWNLOAD_CACHE`` # ``PIP_USE_MIRRORS`` # ``RECLONE`` # ``TRACK_DEPENDS`` # ``http_proxy``, ``https_proxy``, ``no_proxy`` # Save trace setting XTRACE=$(set +o | grep xtrace) set +o xtrace # Exit 0 if address is in network or 1 if address is not in # network or netaddr library is not installed. # address_in_net ip-address ip-range function address_in_net() { python -c " import netaddr import sys sys.exit(netaddr.IPAddress('$1') not in netaddr.IPNetwork('$2')) " } # Wrapper for ``apt-get`` to set cache and proxy environment variables # Uses globals ``OFFLINE``, ``*_proxy` # apt_get operation package [package ...] function apt_get() { [[ "$OFFLINE" = "True" || -z "$@" ]] && return local sudo="sudo" [[ "$(id -u)" = "0" ]] && sudo="env" $sudo DEBIAN_FRONTEND=noninteractive \ http_proxy=$http_proxy https_proxy=$https_proxy \ no_proxy=$no_proxy \ apt-get --option "Dpkg::Options::=--force-confold" --assume-yes "$@" } # Gracefully cp only if source file/dir exists # cp_it source destination function cp_it { if [ -e $1 ] || [ -d $1 ]; then cp -pRL $1 $2 fi } # Prints "message" and exits # die "message" function die() { local exitcode=$? set +o xtrace echo $@ 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 env-var "message" function die_if_not_set() { ( local exitcode=$? set +o xtrace local evar=$1; shift if ! is_set $evar || [ $exitcode != 0 ]; then echo $@ exit -1 fi ) } # 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() { 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 } # get_packages() collects a list of package names of any type from the # prerequisite files in ``files/{apts|rpms}``. The list is intended # to be passed to a package installer such as apt or yum. # # Only packages required for the services in ``ENABLED_SERVICES`` 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. # # Uses globals ``ENABLED_SERVICES`` # get_packages dir function get_packages() { local package_dir=$1 local file_to_parse local service if [[ -z "$package_dir" ]]; then echo "No package directory supplied" return 1 fi if [[ -z "$DISTRO" ]]; then GetDistro fi for service in general ${ENABLED_SERVICES//,/ }; do # Allow individual services to specify dependencies if [[ -e ${package_dir}/${service} ]]; then file_to_parse="${file_to_parse} $service" fi # NOTE(sdague) n-api needs glance for now because that's where # glance client is if [[ $service == n-api ]]; then if [[ ! $file_to_parse =~ nova ]]; then file_to_parse="${file_to_parse} nova" fi if [[ ! $file_to_parse =~ glance ]]; then file_to_parse="${file_to_parse} glance" fi elif [[ $service == c-* ]]; then if [[ ! $file_to_parse =~ cinder ]]; then file_to_parse="${file_to_parse} cinder" fi elif [[ $service == ceilometer-* ]]; then if [[ ! $file_to_parse =~ ceilometer ]]; then file_to_parse="${file_to_parse} ceilometer" fi elif [[ $service == n-* ]]; then if [[ ! $file_to_parse =~ nova ]]; then file_to_parse="${file_to_parse} nova" fi elif [[ $service == g-* ]]; then if [[ ! $file_to_parse =~ glance ]]; then file_to_parse="${file_to_parse} glance" fi elif [[ $service == key* ]]; then if [[ ! $file_to_parse =~ keystone ]]; then file_to_parse="${file_to_parse} keystone" fi elif [[ $service == q-* ]]; then if [[ ! $file_to_parse =~ quantum ]]; then file_to_parse="${file_to_parse} quantum" fi fi done for file in ${file_to_parse}; do local fname=${package_dir}/${file} local OIFS line package distros distro [[ -e $fname ]] || continue OIFS=$IFS IFS=$'\n' for line in $(<${fname}); do if [[ $line =~ "NOPRIME" ]]; then continue fi 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 [[ ${distros,,} =~ ${DISTRO,,} ]] && echo $package continue fi echo ${line%#*} done IFS=$OIFS done } # Determine OS Vendor, Release and Update # Tested with OS/X, Ubuntu, RedHat, CentOS, Fedora # Returns results in global variables: # os_VENDOR - vendor name # os_RELEASE - release # os_UPDATE - update # os_PACKAGE - package type # os_CODENAME - vendor's codename for release # GetOSVersion GetOSVersion() { # Figure out which vendor we are if [[ -n "`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" =~ $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 [[ $os_VENDOR =~ Red.*Hat ]]; then os_VENDOR="Red Hat" fi os_CODENAME=$(lsb_release -c -s) elif [[ -r /etc/redhat-release ]]; then # Red Hat Enterprise Linux Server release 5.5 (Tikanga) # CentOS release 5.5 (Final) # CentOS Linux release 6.0 (Final) # Fedora release 16 (Verne) os_CODENAME="" for r in "Red Hat" CentOS Fedora; do os_VENDOR=$r if [[ -n "`grep \"$r\" /etc/redhat-release`" ]]; then ver=`sed -e 's/^.* \(.*\) (\(.*\)).*$/\1\|\2/' /etc/redhat-release` os_CODENAME=${ver#*|} os_RELEASE=${ver%|*} os_UPDATE=${os_RELEASE##*.} os_RELEASE=${os_RELEASE%.*} break fi os_VENDOR="" done os_PACKAGE="rpm" elif [[ -x $(which emerge 2>/dev/null) ]]; then os_VENDOR="Gentoo" os_RELEASE=$(eselect --brief --colour=no profile show) os_PACKAGE="ebuild" 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" fi export os_VENDOR os_RELEASE os_UPDATE os_PACKAGE os_CODENAME } # git update using reference as a branch. # git_update_branch ref function git_update_branch() { 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 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() { GIT_TAG=$1 git tag -d $GIT_TAG # fetching given tag only git fetch origin tag $GIT_TAG git checkout -f $GIT_TAG } # git update using reference as a branch. # git_update_remote_branch ref function git_update_remote_branch() { GIT_BRANCH=$1 git checkout -b $GIT_BRANCH -t origin/$GIT_BRANCH } # Translate the OS version values into common nomenclature # Sets ``DISTRO`` from the ``os_*`` values function GetDistro() { GetOSVersion if [[ "$os_VENDOR" =~ (Ubuntu) ]]; then # 'Everyone' refers to Ubuntu releases by the code name adjective DISTRO=$os_CODENAME elif [[ "$os_VENDOR" =~ (Fedora) ]]; then # For Fedora, just use 'f' and the release DISTRO="f$os_RELEASE" elif [[ "$os_VENDOR" =~ (Gentoo) ]]; then DISTRO="gentoo" elif [[ "$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 else # Catch-all for now is Vendor + Release + Update DISTRO="$os_VENDOR-$os_RELEASE.$os_UPDATE" fi export DISTRO } # Determine if current distribution is an Ubuntu-based distribution. # It will also detect non-Ubuntu but Debian-based distros; this is not an issue # since Debian and Ubuntu should be compatible. # is_ubuntu function is_ubuntu { if [[ -z "$os_PACKAGE" ]]; then GetOSVersion fi [ "$os_PACKAGE" = "deb" ] } # Determine if current distribution is a Fedora-based distribution # (Fedora, RHEL, CentOS). # is_fedora function is_fedora { if [[ -z "$os_VENDOR" ]]; then GetOSVersion fi [ "$os_VENDOR" = "Fedora" ] || [ "$os_VENDOR" = "Red Hat" ] || [ "$os_VENDOR" = "CentOS" ] } # Determine if current distribution is a SUSE-based distribution # (openSUSE, SLE). # is_suse function is_suse { if [[ -z "$os_VENDOR" ]]; then GetOSVersion fi [ "$os_VENDOR" = "openSUSE" ] || [ "$os_VENDOR" = "SUSE LINUX" ] } # Determine if current distribution is Gentoo # is_gentoo function is_gentoo { if [[ -z "$os_VENDOR" ]]; then GetOSVersion fi [ "$os_VENDOR" = "Gentoo" ] } # 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 echo "Support for $DISTRO is incomplete: no support for $@" else echo "Support for $DISTRO is incomplete." fi exit 1 } # git clone only if directory doesn't exist already. Since ``DEST`` might not # be owned by the installation user, we create the directory and change the # ownership to the proper user. # Set global RECLONE=yes to simulate a clone when dest-dir exists # Set global ERROR_ON_CLONE=True to abort execution with an error if the git repo # does not exist (default is False, meaning the repo will be cloned). # Uses global ``OFFLINE`` # git_clone remote dest-dir branch function git_clone { [[ "$OFFLINE" = "True" ]] && return GIT_REMOTE=$1 GIT_DEST=$2 GIT_REF=$3 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" ]] && exit 1 git clone $GIT_REMOTE $GIT_DEST fi cd $GIT_DEST git 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" ]] && exit 1 git clone $GIT_REMOTE $GIT_DEST cd $GIT_DEST # This checkout syntax works for both branches and tags git checkout $GIT_REF elif [[ "$RECLONE" == "yes" ]]; 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 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 echo $GIT_REF is neither branch nor tag exit 1 fi fi fi } # Comment an option in an INI file # inicomment config-file section option function inicomment() { local file=$1 local section=$2 local option=$3 sed -i -e "/^\[$section\]/,/^\[.*\]/ s|^\($option[ \t]*=.*$\)|#\1|" "$file" } # Uncomment an option in an INI file # iniuncomment config-file section option function iniuncomment() { local file=$1 local section=$2 local option=$3 sed -i -e "/^\[$section\]/,/^\[.*\]/ s|[^ \t]*#[ \t]*\($option[ \t]*=.*$\)|\1|" "$file" } # Get an option from an INI file # iniget config-file section option function iniget() { local file=$1 local section=$2 local option=$3 local line line=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" "$file") echo ${line#*=} } # Determinate is the given option present in the INI file # ini_has_option config-file section option function ini_has_option() { local file=$1 local section=$2 local option=$3 local line line=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" "$file") [ -n "$line" ] } # Set an option in an INI file # iniset config-file section option value function iniset() { local file=$1 local section=$2 local option=$3 local value=$4 if ! grep -q "^\[$section\]" "$file"; then # Add section at the end echo -e "\n[$section]" >>"$file" fi if ! ini_has_option "$file" "$section" "$option"; then # Add it sed -i -e "/^\[$section\]/ a\\ $option = $value " "$file" else # Replace it sed -i -e "/^\[$section\]/,/^\[.*\]/ s|^\($option[ \t]*=[ \t]*\).*$|\1$value|" "$file" fi } # is_service_enabled() checks if the service(s) specified as arguments are # enabled by the user in ``ENABLED_SERVICES``. # # Multiple services specified as arguments are ``OR``'ed together; the test # is a short-circuit boolean, i.e it returns on the first match. # # There are special cases for some 'catch-all' services:: # **nova** returns true if any service enabled start with **n-** # **cinder** returns true if any service enabled start with **c-** # **ceilometer** returns true if any service enabled start with **ceilometer** # **glance** returns true if any service enabled start with **g-** # **quantum** returns true if any service enabled start with **q-** # # Uses global ``ENABLED_SERVICES`` # is_service_enabled service [service ...] function is_service_enabled() { services=$@ for service in ${services}; do [[ ,${ENABLED_SERVICES}, =~ ,${service}, ]] && return 0 [[ ${service} == "nova" && ${ENABLED_SERVICES} =~ "n-" ]] && return 0 [[ ${service} == "cinder" && ${ENABLED_SERVICES} =~ "c-" ]] && return 0 [[ ${service} == "ceilometer" && ${ENABLED_SERVICES} =~ "ceilometer-" ]] && return 0 [[ ${service} == "glance" && ${ENABLED_SERVICES} =~ "g-" ]] && return 0 [[ ${service} == "quantum" && ${ENABLED_SERVICES} =~ "q-" ]] && return 0 done return 1 } # remove extra commas from the input string (i.e. ``ENABLED_SERVICES``) # _cleanup_service_list service-list function _cleanup_service_list () { echo "$1" | sed -e ' s/,,/,/g; s/^,//; s/,$// ' } # 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 quantum built into is_service_enabled(). # Uses global ``ENABLED_SERVICES`` # enable_service service [service ...] function enable_service() { local tmpsvcs="${ENABLED_SERVICES}" for service in $@; do if ! is_service_enabled $service; then tmpsvcs+=",$service" fi done ENABLED_SERVICES=$(_cleanup_service_list "$tmpsvcs") disable_negated_services } # 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 quantum 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 "$tmpsvcs") } # disable_all_services() removes all current services # from ``ENABLED_SERVICES`` to reset the configuration # before a minimal installation # Uses global ``ENABLED_SERVICES`` # disable_all_services function disable_all_services() { ENABLED_SERVICES="" } # Remove all services starting with '-'. For example, to install all default # services except rabbit (rabbit) set in ``localrc``: # ENABLED_SERVICES+=",-rabbit" # Uses global ``ENABLED_SERVICES`` # disable_negated_services function disable_negated_services() { local tmpsvcs="${ENABLED_SERVICES}" local service for service in ${tmpsvcs//,/ }; do if [[ ${service} == -* ]]; then tmpsvcs=$(echo ${tmpsvcs}|sed -r "s/(,)?(-)?${service#-}(,)?/,/g") fi done ENABLED_SERVICES=$(_cleanup_service_list "$tmpsvcs") } # Distro-agnostic package installer # install_package package [package ...] function install_package() { if is_ubuntu; then [[ "$NO_UPDATE_REPOS" = "True" ]] || apt_get update NO_UPDATE_REPOS=True apt_get install "$@" elif [[ "$os_PACKAGE" = "ebuild" ]]; then emerge_ebuild "$@" elif is_fedora; then yum_install "$@" elif is_suse; then zypper_install "$@" else exit_distro_not_supported "installing packages" fi } # 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 [[ "$os_PACKAGE" = "deb" ]]; then dpkg -l "$@" > /dev/null return $? elif [[ "$os_PACKAGE" = "rpm" ]]; then rpm --quiet -q "$@" return $? elif [[ "$os_PACKAGE" = "ebuild" ]]; then emerge -qCp "$@" > /dev/null return $? else exit_distro_not_supported "finding if a package is installed" 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 \"$var\" ]" would be better, but several exercises depends on this } # Wrapper for ``pip install`` to set cache and proxy environment variables # Uses globals ``OFFLINE``, ``PIP_DOWNLOAD_CACHE``, ``PIP_USE_MIRRORS``, # ``TRACK_DEPENDS``, ``*_proxy` # pip_install package [package ...] function pip_install { [[ "$OFFLINE" = "True" || -z "$@" ]] && return if [[ -z "$os_PACKAGE" ]]; then GetOSVersion fi if [[ $TRACK_DEPENDS = True ]] ; then source $DEST/.venv/bin/activate CMD_PIP=$DEST/.venv/bin/pip SUDO_PIP="env" else SUDO_PIP="sudo" CMD_PIP=$(get_pip_command) fi if [[ "$PIP_USE_MIRRORS" != "False" ]]; then PIP_MIRROR_OPT="--use-mirrors" fi $SUDO_PIP PIP_DOWNLOAD_CACHE=${PIP_DOWNLOAD_CACHE:-/var/cache/pip} \ HTTP_PROXY=$http_proxy \ HTTPS_PROXY=$https_proxy \ NO_PROXY=$no_proxy \ $CMD_PIP install $PIP_MIRROR_OPT $@ } # Service wrapper to restart services # restart_service service-name function restart_service() { if is_ubuntu; then sudo /usr/sbin/service $1 restart elif [[ "$os_PACKAGE" = "rpm" ]]; then sudo /sbin/service $1 restart elif [[ "$os_PACKAGE" = "ebuild" ]]; then sudo /sbin/rc-service $1 restart fi } # Helper to launch a service in a named screen # screen_it service "command-line" function screen_it { NL=`echo -ne '\015'` SCREEN_NAME=${SCREEN_NAME:-stack} SERVICE_DIR=${SERVICE_DIR:-${DEST}/status} if is_service_enabled $1; then # Append the service to the screen rc file screen_rc "$1" "$2" screen -S $SCREEN_NAME -X screen -t $1 # 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 sleep 1.5 if [[ -n ${SCREEN_LOGDIR} ]]; then screen -S $SCREEN_NAME -p $1 -X logfile ${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log screen -S $SCREEN_NAME -p $1 -X log on ln -sf ${SCREEN_LOGDIR}/screen-${1}.${CURRENT_LOG_TIME}.log ${SCREEN_LOGDIR}/screen-${1}.log fi screen -S $SCREEN_NAME -p $1 -X stuff "$2 || touch \"$SERVICE_DIR/$SCREEN_NAME/$1.failure\"$NL" fi } # Screen rc file builder # 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 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 fi } # 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 # 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/$SCREEN_NAME"/*.failure } # Helper to get the status of each running service # service_check function service_check() { local service local failures SCREEN_NAME=${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 failures=`ls "$SERVICE_DIR/$SCREEN_NAME"/*.failure 2>/dev/null` for service in $failures; do service=`basename $service` service=${service::-8} echo "Error: Service $service is not running" done if [ -n "$failures" ]; then echo "More details about the above errors can be found with screen, with ./rejoin-stack.sh" fi } # ``pip install`` the dependencies of the package before ``setup.py develop`` # so pip and not distutils processes the dependency chain # Uses globals ``TRACK_DEPENDES``, ``*_proxy` # setup_develop directory function setup_develop() { if [[ $TRACK_DEPENDS = True ]] ; then SUDO_CMD="env" else SUDO_CMD="sudo" fi (cd $1; \ python setup.py egg_info; \ raw_links=$(awk '/^.+/ {print "-f " $1}' *.egg-info/dependency_links.txt); \ depend_links=$(echo $raw_links | xargs); \ require_file=$([ ! -r *-info/requires.txt ] || echo "-r *-info/requires.txt"); \ pip_install $require_file $depend_links; \ $SUDO_CMD \ HTTP_PROXY=$http_proxy \ HTTPS_PROXY=$https_proxy \ NO_PROXY=$no_proxy \ python setup.py develop \ ) } # Service wrapper to start services # start_service service-name function start_service() { if is_ubuntu; then sudo /usr/sbin/service $1 start elif [[ "$os_PACKAGE" = "rpm" ]]; then sudo /sbin/service $1 start elif [[ "$os_PACKAGE" = "ebuild" ]]; then sudo /sbin/rc-service $1 start fi } # Service wrapper to stop services # stop_service service-name function stop_service() { if is_ubuntu; then sudo /usr/sbin/service $1 stop elif [[ "$os_PACKAGE" = "rpm" ]]; then sudo /sbin/service $1 stop elif [[ "$os_PACKAGE" = "ebuild" ]]; then sudo /sbin/rc-service $1 stop fi } # Normalize config values to True or False # Accepts as False: 0 no false False FALSE # Accepts as True: 1 yes true True TRUE # VAR=$(trueorfalse default-value test-value) function trueorfalse() { local default=$1 local testval=$2 [[ -z "$testval" ]] && { echo "$default"; return; } [[ "0 no false False FALSE" =~ "$testval" ]] && { echo "False"; return; } [[ "1 yes true True TRUE" =~ "$testval" ]] && { echo "True"; return; } echo "$default" } # Retrieve an image from a URL and upload into Glance # Uses the following variables: # ``FILES`` must be set to the cache dir # ``GLANCE_HOSTPORT`` # upload_image image-url glance-token function upload_image() { local image_url=$1 local token=$2 # Create a directory for the downloaded image tarballs. mkdir -p $FILES/images # Downloads the image (uec ami+aki style), then extracts it. IMAGE_FNAME=`basename "$image_url"` if [[ ! -f $FILES/$IMAGE_FNAME || "$(stat -c "%s" $FILES/$IMAGE_FNAME)" = "0" ]]; then wget -c $image_url -O $FILES/$IMAGE_FNAME if [[ $? -ne 0 ]]; then echo "Not found: $image_url" return fi fi # OpenVZ-format images are provided as .tar.gz, but not decompressed prior to loading if [[ "$image_url" =~ 'openvz' ]]; then IMAGE="$FILES/${IMAGE_FNAME}" IMAGE_NAME="${IMAGE_FNAME%.tar.gz}" glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$IMAGE_NAME" --is-public=True --container-format ami --disk-format ami < "${IMAGE}" return fi KERNEL="" RAMDISK="" DISK_FORMAT="" CONTAINER_FORMAT="" UNPACK="" # FIXME: Maybe check it with file instead of basing on filename? case "$IMAGE_FNAME" in *.tar.gz|*.tgz) # Extract ami and aki files [ "${IMAGE_FNAME%.tar.gz}" != "$IMAGE_FNAME" ] && IMAGE_NAME="${IMAGE_FNAME%.tar.gz}" || IMAGE_NAME="${IMAGE_FNAME%.tgz}" xdir="$FILES/images/$IMAGE_NAME" rm -Rf "$xdir"; mkdir "$xdir" tar -zxf $FILES/$IMAGE_FNAME -C "$xdir" KERNEL=$(for f in "$xdir/"*-vmlinuz* "$xdir/"aki-*/image; do [ -f "$f" ] && echo "$f" && break; done; true) RAMDISK=$(for f in "$xdir/"*-initrd* "$xdir/"ari-*/image; do [ -f "$f" ] && echo "$f" && break; done; true) IMAGE=$(for f in "$xdir/"*.img "$xdir/"ami-*/image; do [ -f "$f" ] && echo "$f" && break; done; true) if [[ -z "$IMAGE_NAME" ]]; then IMAGE_NAME=$(basename "$IMAGE" ".img") fi ;; *.img) IMAGE="$FILES/$IMAGE_FNAME"; IMAGE_NAME=$(basename "$IMAGE" ".img") format=$(qemu-img info ${IMAGE} | awk '/^file format/ { print $3; exit }') if [[ ",qcow2,raw,vdi,vmdk,vpc," =~ ",$format," ]]; then DISK_FORMAT=$format else DISK_FORMAT=raw fi CONTAINER_FORMAT=bare ;; *.img.gz) IMAGE="$FILES/${IMAGE_FNAME}" IMAGE_NAME=$(basename "$IMAGE" ".img.gz") DISK_FORMAT=raw CONTAINER_FORMAT=bare UNPACK=zcat ;; *.qcow2) IMAGE="$FILES/${IMAGE_FNAME}" IMAGE_NAME=$(basename "$IMAGE" ".qcow2") DISK_FORMAT=qcow2 CONTAINER_FORMAT=bare ;; *) echo "Do not know what to do with $IMAGE_FNAME"; false;; esac if [ "$CONTAINER_FORMAT" = "bare" ]; then if [ "$UNPACK" = "zcat" ]; then glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$IMAGE_NAME" --public --container-format=$CONTAINER_FORMAT --disk-format $DISK_FORMAT < <(zcat --force "${IMAGE}") else glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$IMAGE_NAME" --public --container-format=$CONTAINER_FORMAT --disk-format $DISK_FORMAT < "${IMAGE}" fi else # Use glance client to add the kernel the root filesystem. # We parse the results of the first upload to get the glance ID of the # kernel for use when uploading the root filesystem. KERNEL_ID=""; RAMDISK_ID=""; if [ -n "$KERNEL" ]; then KERNEL_ID=$(glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$IMAGE_NAME-kernel" --public --container-format aki --disk-format aki < "$KERNEL" | grep ' id ' | get_field 2) fi if [ -n "$RAMDISK" ]; then RAMDISK_ID=$(glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "$IMAGE_NAME-ramdisk" --public --container-format ari --disk-format ari < "$RAMDISK" | grep ' id ' | get_field 2) fi glance --os-auth-token $token --os-image-url http://$GLANCE_HOSTPORT image-create --name "${IMAGE_NAME%.img}" --public --container-format ami --disk-format ami ${KERNEL_ID:+--property kernel_id=$KERNEL_ID} ${RAMDISK_ID:+--property ramdisk_id=$RAMDISK_ID} < "${IMAGE}" fi |
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