From dec00f61fce0c2669f833a048fc49975548cf49e Mon Sep 17 00:00:00 2001
From: Dean Troyer <dtroyer@gmail.com>
Date: Fri, 30 Dec 2011 17:43:20 -0600
Subject: [PATCH] Add info.sh

Change-Id: I4394482df2db4d4b251d97678d2692a2849715a1
---
 tools/info.sh | 213 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 213 insertions(+)
 create mode 100755 tools/info.sh

diff --git a/tools/info.sh b/tools/info.sh
new file mode 100755
index 0000000000..edff617f96
--- /dev/null
+++ b/tools/info.sh
@@ -0,0 +1,213 @@
+#!/usr/bin/env bash
+# info.sh - Produce a report on the state of devstack installs
+#
+# Output fields are separated with '|' chars
+# Output types are git,localrc,os,pip,pkg:
+#   git|<project>|<branch>[<shaq>]
+#   localtc|<var>=<value>
+#   os|<var>=<value>
+#   pip|<package>|<version>
+#   pkg|<package>|<version>
+
+function usage {
+    echo "$0 - Report on the devstack configuration"
+    echo ""
+    echo "Usage: $0"
+    exit 1
+}
+
+if [ "$1" = "-h" ]; then
+    usage
+fi
+
+# Keep track of the current directory
+TOOLS_DIR=$(cd $(dirname "$0") && pwd)
+TOP_DIR=$(cd $TOOLS_DIR/..; pwd)
+cd $TOP_DIR
+
+# Source params
+source $TOP_DIR/stackrc
+
+DEST=${DEST:-/opt/stack}
+FILES=$TOP_DIR/files
+if [[ ! -d $FILES ]]; then
+    echo "ERROR: missing devstack/files - did you grab more than just stack.sh?"
+    exit 1
+fi
+
+# Repos
+# -----
+
+# git_report <dir>
+function git_report() {
+    local dir=$1
+    local proj ref branch head
+    if [[ -d $dir/.git ]]; then
+        pushd $dir >/dev/null
+        proj=$(basename $dir)
+        ref=$(git symbolic-ref HEAD)
+        branch=${ref##refs/heads/}
+        head=$(git show-branch --sha1-name $branch | cut -d' ' -f1)
+        echo "git|${proj}|${branch}${head}"
+        popd >/dev/null
+    fi
+}
+
+for i in $DEST/*; do
+    if [[ -d $i ]]; then
+        git_report $i
+    fi
+done
+
+# OS
+# --
+
+GetOSInfo() {
+    # Figure out which vedor we are
+    if [ -r /etc/lsb-release ]; then
+        . /etc/lsb-release
+        VENDORNAME=$DISTRIB_ID
+        RELEASE=$DISTRIB_RELEASE
+    else
+        for r in RedHat CentOS Fedora; do
+            VENDORPKG="`echo $r | tr [:upper:] [:lower:]`-release"
+            VENDORNAME=$r
+            RELEASE=`rpm -q --queryformat '%{VERSION}' $VENDORPKG`
+            if [ $? = 0 ]; then
+                break
+            fi
+            VENDORNAME=""
+        done
+        # Get update level
+        if [ -n "`grep Update /etc/redhat-release`" ]; then
+            # Get update
+            UPDATE=`cat /etc/redhat-release | sed s/.*Update\ // | sed s/\)$//`
+        else
+            # Assume update 0
+            UPDATE=0
+        fi
+    fi
+
+    echo "os|vendor=$VENDORNAME"
+    echo "os|release=$RELEASE"
+    if [ -n "$UPDATE" ]; then
+        echo "os|version=$UPDATE"
+    fi
+}
+
+GetOSInfo
+
+# Packages
+# --------
+
+# - We are going to check packages only for the services needed.
+# - We are parsing the packages files and detecting metadatas.
+#  - If we have the meta-keyword dist:DISTRO or
+#    dist:DISTRO1,DISTRO2 it will be installed only for those
+#    distros (case insensitive).
+function get_packages() {
+    local file_to_parse="general"
+    local service
+
+    for service in ${ENABLED_SERVICES//,/ }; do
+        # Allow individual services to specify dependencies
+        if [[ -e $FILES/apts/${service} ]]; then
+            file_to_parse="${file_to_parse} $service"
+        fi
+        if [[ $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
+        fi
+    done
+
+    for file in ${file_to_parse}; do
+        local fname=${FILES}/apts/${file}
+        local OIFS line package distros distro
+        [[ -e $fname ]] || { echo "missing: $fname"; exit 1; }
+
+        OIFS=$IFS
+        IFS=$'\n'
+        for line in $(<${fname}); do
+            if [[ $line =~ (.*)#.*dist:([^ ]*) ]]; then # We are using BASH regexp matching feature.
+                        package=${BASH_REMATCH[1]}
+                        distros=${BASH_REMATCH[2]}
+                        for distro in ${distros//,/ }; do  #In bash ${VAR,,} will lowecase VAR
+                            [[ ${distro,,} == ${DISTRO,,} ]] && echo $package
+                        done
+                        continue
+            fi
+
+            echo ${line%#*}
+        done
+        IFS=$OIFS
+    done
+}
+
+for p in $(get_packages); do
+    ver=$(dpkg -s $p 2>/dev/null | grep '^Version: ' | cut -d' ' -f2)
+    echo "pkg|${p}|${ver}"
+done
+
+# Pips
+# ----
+
+function get_pips() {
+    cat $FILES/pips/* | uniq
+}
+
+# Pip tells us what is currently installed
+FREEZE_FILE=$(mktemp --tmpdir freeze.XXXXXX)
+pip freeze >$FREEZE_FILE 2>/dev/null
+
+# Loop through our requirements and look for matches
+for p in $(get_pips); do
+    [[ "$p" = "-e" ]] && continue
+    if [[ "$p" =~ \+?([^#]*)#? ]]; then
+         # Get the URL from a remote reference
+         p=${BASH_REMATCH[1]}
+    fi
+    line="`grep -i $p $FREEZE_FILE`"
+    if [[ -n "$line" ]]; then
+        if [[ "$line" =~ \+(.*)@(.*)#egg=(.*) ]]; then
+            # Handle URLs
+            p=${BASH_REMATCH[1]}
+            ver=${BASH_REMATCH[2]}
+        elif [[ "$line" =~ (.*)[=\<\>]=(.*) ]]; then
+            # Normal pip packages
+            p=${BASH_REMATCH[1]}
+            ver=${BASH_REMATCH[2]}
+        else
+            # Unhandled format in freeze file
+            #echo "unknown: $p"
+            continue
+        fi
+        echo "pip|${p}|${ver}"
+    else
+        # No match in freeze file
+        #echo "unknown: $p"
+        continue
+    fi
+done
+
+rm $FREEZE_FILE
+
+# localrc
+# -------
+
+# Dump localrc with 'localrc|' prepended and comments and passwords left out
+if [[ -r $TOP_DIR/localrc ]]; then
+    sed -e '
+        /PASSWORD/d;
+        /^#/d;
+        s/^/localrc\|/;
+    ' $TOP_DIR/localrc | sort
+fi