Move configuration functions into inc/*

* config/INI functions from functions-common to to inc/ini-config
* local.conf meta-config functions from lib/config to inc/meta-config

Change-Id: I00fab724075a693529273878875cfd292d00b18a
diff --git a/doc/source/index.rst b/doc/source/index.rst
index cfde991..bac593d 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -156,7 +156,6 @@
 * `lib/ceilometer <lib/ceilometer.html>`__
 * `lib/ceph <lib/ceph.html>`__
 * `lib/cinder <lib/cinder.html>`__
-* `lib/config <lib/config.html>`__
 * `lib/database <lib/database.html>`__
 * `lib/dstat <lib/dstat.html>`__
 * `lib/glance <lib/glance.html>`__
@@ -188,6 +187,12 @@
 * `extras.d/70-zaqar.sh <extras.d/70-zaqar.sh.html>`__
 * `extras.d/80-tempest.sh <extras.d/80-tempest.sh.html>`__
 
+* `inc/ini-config <inc/ini-config.html>`__
+* `inc/meta-config <inc/meta-config.html>`__
+* `inc/python <inc/python.html>`__
+
+* `pkg/elasticsearch.sh <pkg/elasticsearch.sh.html>`_
+
 Configuration
 -------------
 
diff --git a/functions b/functions
index 79b2b37..9adbfe7 100644
--- a/functions
+++ b/functions
@@ -13,6 +13,7 @@
 # Include the common functions
 FUNC_DIR=$(cd $(dirname "${BASH_SOURCE:-$0}") && pwd)
 source ${FUNC_DIR}/functions-common
+source ${FUNC_DIR}/inc/ini-config
 source ${FUNC_DIR}/inc/python
 
 # Save trace setting
diff --git a/functions-common b/functions-common
index df69cba..4739e42 100644
--- a/functions-common
+++ b/functions-common
@@ -43,197 +43,6 @@
 
 TRACK_DEPENDS=${TRACK_DEPENDS:-False}
 
-# Config Functions
-# ================
-
-# Append a new option in an ini file without replacing the old value
-# iniadd config-file section option value1 value2 value3 ...
-function iniadd {
-    local xtrace=$(set +o | grep xtrace)
-    set +o xtrace
-    local file=$1
-    local section=$2
-    local option=$3
-    shift 3
-
-    local values="$(iniget_multiline $file $section $option) $@"
-    iniset_multiline $file $section $option $values
-    $xtrace
-}
-
-# Comment an option in an INI file
-# inicomment config-file section option
-function inicomment {
-    local xtrace=$(set +o | grep xtrace)
-    set +o xtrace
-    local file=$1
-    local section=$2
-    local option=$3
-
-    sed -i -e "/^\[$section\]/,/^\[.*\]/ s|^\($option[ \t]*=.*$\)|#\1|" "$file"
-    $xtrace
-}
-
-# Get an option from an INI file
-# iniget config-file section option
-function iniget {
-    local xtrace=$(set +o | grep xtrace)
-    set +o xtrace
-    local file=$1
-    local section=$2
-    local option=$3
-    local line
-
-    line=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" "$file")
-    echo ${line#*=}
-    $xtrace
-}
-
-# Get a multiple line option from an INI file
-# iniget_multiline config-file section option
-function iniget_multiline {
-    local xtrace=$(set +o | grep xtrace)
-    set +o xtrace
-    local file=$1
-    local section=$2
-    local option=$3
-    local values
-
-    values=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { s/^$option[ \t]*=[ \t]*//gp; }" "$file")
-    echo ${values}
-    $xtrace
-}
-
-# Determinate is the given option present in the INI file
-# ini_has_option config-file section option
-function ini_has_option {
-    local xtrace=$(set +o | grep xtrace)
-    set +o xtrace
-    local file=$1
-    local section=$2
-    local option=$3
-    local line
-
-    line=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" "$file")
-    $xtrace
-    [ -n "$line" ]
-}
-
-# Add another config line for a multi-line option.
-# It's normally called after iniset of the same option and assumes
-# that the section already exists.
-#
-# Note that iniset_multiline requires all the 'lines' to be supplied
-# in the argument list. Doing that will cause incorrect configuration
-# if spaces are used in the config values.
-#
-# iniadd_literal config-file section option value
-function iniadd_literal {
-    local xtrace=$(set +o | grep xtrace)
-    set +o xtrace
-    local file=$1
-    local section=$2
-    local option=$3
-    local value=$4
-
-    [[ -z $section || -z $option ]] && return
-
-    # Add it
-    sed -i -e "/^\[$section\]/ a\\
-$option = $value
-" "$file"
-
-    $xtrace
-}
-
-function inidelete {
-    local xtrace=$(set +o | grep xtrace)
-    set +o xtrace
-    local file=$1
-    local section=$2
-    local option=$3
-
-    [[ -z $section || -z $option ]] && return
-
-    # Remove old values
-    sed -i -e "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ d; }" "$file"
-
-    $xtrace
-}
-
-# Set an option in an INI file
-# iniset config-file section option value
-function iniset {
-    local xtrace=$(set +o | grep xtrace)
-    set +o xtrace
-    local file=$1
-    local section=$2
-    local option=$3
-    local value=$4
-
-    [[ -z $section || -z $option ]] && return
-
-    if ! grep -q "^\[$section\]" "$file" 2>/dev/null; then
-        # Add section at the end
-        echo -e "\n[$section]" >>"$file"
-    fi
-    if ! ini_has_option "$file" "$section" "$option"; then
-        # Add it
-        sed -i -e "/^\[$section\]/ a\\
-$option = $value
-" "$file"
-    else
-        local sep=$(echo -ne "\x01")
-        # Replace it
-        sed -i -e '/^\['${section}'\]/,/^\[.*\]/ s'${sep}'^\('${option}'[ \t]*=[ \t]*\).*$'${sep}'\1'"${value}"${sep} "$file"
-    fi
-    $xtrace
-}
-
-# Set a multiple line option in an INI file
-# iniset_multiline config-file section option value1 value2 valu3 ...
-function iniset_multiline {
-    local xtrace=$(set +o | grep xtrace)
-    set +o xtrace
-    local file=$1
-    local section=$2
-    local option=$3
-
-    shift 3
-    local values
-    for v in $@; do
-        # The later sed command inserts each new value in the line next to
-        # the section identifier, which causes the values to be inserted in
-        # the reverse order. Do a reverse here to keep the original order.
-        values="$v ${values}"
-    done
-    if ! grep -q "^\[$section\]" "$file"; then
-        # Add section at the end
-        echo -e "\n[$section]" >>"$file"
-    else
-        # Remove old values
-        sed -i -e "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ d; }" "$file"
-    fi
-    # Add new ones
-    for v in $values; do
-        sed -i -e "/^\[$section\]/ a\\
-$option = $v
-" "$file"
-    done
-    $xtrace
-}
-
-# Uncomment an option in an INI file
-# iniuncomment config-file section option
-function iniuncomment {
-    local xtrace=$(set +o | grep xtrace)
-    set +o xtrace
-    local file=$1
-    local section=$2
-    local option=$3
-    sed -i -e "/^\[$section\]/,/^\[.*\]/ s|[^ \t]*#[ \t]*\($option[ \t]*=.*$\)|\1|" "$file"
-    $xtrace
-}
 
 # Normalize config values to True or False
 # Accepts as False: 0 no No NO false False FALSE
@@ -253,14 +62,6 @@
     $xtrace
 }
 
-function isset {
-    nounset=$(set +o | grep nounset)
-    set +o nounset
-    [[ -n "${!1+x}" ]]
-    result=$?
-    $nounset
-    return $result
-}
 
 # Control Functions
 # =================
diff --git a/inc/ini-config b/inc/ini-config
new file mode 100644
index 0000000..0d6d169
--- /dev/null
+++ b/inc/ini-config
@@ -0,0 +1,223 @@
+#!/bin/bash
+#
+# **inc/ini-config** - Configuration/INI functions
+#
+# Support for manipulating INI-style configuration files
+#
+# These functions have no external dependencies and no side-effects
+
+# Save trace setting
+INC_CONF_TRACE=$(set +o | grep xtrace)
+set +o xtrace
+
+
+# Config Functions
+# ================
+
+# Append a new option in an ini file without replacing the old value
+# iniadd config-file section option value1 value2 value3 ...
+function iniadd {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local file=$1
+    local section=$2
+    local option=$3
+    shift 3
+
+    local values="$(iniget_multiline $file $section $option) $@"
+    iniset_multiline $file $section $option $values
+    $xtrace
+}
+
+# Comment an option in an INI file
+# inicomment config-file section option
+function inicomment {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local file=$1
+    local section=$2
+    local option=$3
+
+    sed -i -e "/^\[$section\]/,/^\[.*\]/ s|^\($option[ \t]*=.*$\)|#\1|" "$file"
+    $xtrace
+}
+
+# Get an option from an INI file
+# iniget config-file section option
+function iniget {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local file=$1
+    local section=$2
+    local option=$3
+    local line
+
+    line=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" "$file")
+    echo ${line#*=}
+    $xtrace
+}
+
+# Get a multiple line option from an INI file
+# iniget_multiline config-file section option
+function iniget_multiline {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local file=$1
+    local section=$2
+    local option=$3
+    local values
+
+    values=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { s/^$option[ \t]*=[ \t]*//gp; }" "$file")
+    echo ${values}
+    $xtrace
+}
+
+# Determinate is the given option present in the INI file
+# ini_has_option config-file section option
+function ini_has_option {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local file=$1
+    local section=$2
+    local option=$3
+    local line
+
+    line=$(sed -ne "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ p; }" "$file")
+    $xtrace
+    [ -n "$line" ]
+}
+
+# Add another config line for a multi-line option.
+# It's normally called after iniset of the same option and assumes
+# that the section already exists.
+#
+# Note that iniset_multiline requires all the 'lines' to be supplied
+# in the argument list. Doing that will cause incorrect configuration
+# if spaces are used in the config values.
+#
+# iniadd_literal config-file section option value
+function iniadd_literal {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local file=$1
+    local section=$2
+    local option=$3
+    local value=$4
+
+    [[ -z $section || -z $option ]] && return
+
+    # Add it
+    sed -i -e "/^\[$section\]/ a\\
+$option = $value
+" "$file"
+
+    $xtrace
+}
+
+# Remove an option from an INI file
+# inidelete config-file section option
+function inidelete {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local file=$1
+    local section=$2
+    local option=$3
+
+    [[ -z $section || -z $option ]] && return
+
+    # Remove old values
+    sed -i -e "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ d; }" "$file"
+
+    $xtrace
+}
+
+# Set an option in an INI file
+# iniset config-file section option value
+function iniset {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local file=$1
+    local section=$2
+    local option=$3
+    local value=$4
+
+    [[ -z $section || -z $option ]] && return
+
+    if ! grep -q "^\[$section\]" "$file" 2>/dev/null; then
+        # Add section at the end
+        echo -e "\n[$section]" >>"$file"
+    fi
+    if ! ini_has_option "$file" "$section" "$option"; then
+        # Add it
+        sed -i -e "/^\[$section\]/ a\\
+$option = $value
+" "$file"
+    else
+        local sep=$(echo -ne "\x01")
+        # Replace it
+        sed -i -e '/^\['${section}'\]/,/^\[.*\]/ s'${sep}'^\('${option}'[ \t]*=[ \t]*\).*$'${sep}'\1'"${value}"${sep} "$file"
+    fi
+    $xtrace
+}
+
+# Set a multiple line option in an INI file
+# iniset_multiline config-file section option value1 value2 valu3 ...
+function iniset_multiline {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local file=$1
+    local section=$2
+    local option=$3
+
+    shift 3
+    local values
+    for v in $@; do
+        # The later sed command inserts each new value in the line next to
+        # the section identifier, which causes the values to be inserted in
+        # the reverse order. Do a reverse here to keep the original order.
+        values="$v ${values}"
+    done
+    if ! grep -q "^\[$section\]" "$file"; then
+        # Add section at the end
+        echo -e "\n[$section]" >>"$file"
+    else
+        # Remove old values
+        sed -i -e "/^\[$section\]/,/^\[.*\]/ { /^$option[ \t]*=/ d; }" "$file"
+    fi
+    # Add new ones
+    for v in $values; do
+        sed -i -e "/^\[$section\]/ a\\
+$option = $v
+" "$file"
+    done
+    $xtrace
+}
+
+# Uncomment an option in an INI file
+# iniuncomment config-file section option
+function iniuncomment {
+    local xtrace=$(set +o | grep xtrace)
+    set +o xtrace
+    local file=$1
+    local section=$2
+    local option=$3
+    sed -i -e "/^\[$section\]/,/^\[.*\]/ s|[^ \t]*#[ \t]*\($option[ \t]*=.*$\)|\1|" "$file"
+    $xtrace
+}
+
+function isset {
+    nounset=$(set +o | grep nounset)
+    set +o nounset
+    [[ -n "${!1+x}" ]]
+    result=$?
+    $nounset
+    return $result
+}
+
+
+# Restore xtrace
+$INC_CONF_TRACE
+
+# Local variables:
+# mode: shell-script
+# End:
diff --git a/lib/config b/inc/meta-config
similarity index 96%
rename from lib/config
rename to inc/meta-config
index 31c6fa6..c8789bf 100644
--- a/lib/config
+++ b/inc/meta-config
@@ -1,7 +1,9 @@
 #!/bin/bash
 #
-# lib/config - Configuration file manipulation functions
-
+# **lib/meta-config** - Configuration file manipulation functions
+#
+# Support for DevStack's local.conf meta-config sections
+#
 # These functions have no external dependencies and the following side-effects:
 #
 # CONFIG_AWK_CMD is defined, default is ``awk``
@@ -18,7 +20,7 @@
 # file-name is the destination of the config file
 
 # Save trace setting
-C_XTRACE=$(set +o | grep xtrace)
+INC_META_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
 
@@ -176,7 +178,7 @@
 
 
 # Restore xtrace
-$C_XTRACE
+$INC_META_XTRACE
 
 # Local variables:
 # mode: shell-script
diff --git a/stack.sh b/stack.sh
index bf9fc01..2060f2d 100755
--- a/stack.sh
+++ b/stack.sh
@@ -92,7 +92,7 @@
 source $TOP_DIR/functions
 
 # Import config functions
-source $TOP_DIR/lib/config
+source $TOP_DIR/inc/meta-config
 
 # Import 'public' stack.sh functions
 source $TOP_DIR/lib/stack
diff --git a/tests/test_ini.sh b/tests/test_ini_config.sh
similarity index 98%
rename from tests/test_ini.sh
rename to tests/test_ini_config.sh
index 106cc95..4a0ae33 100755
--- a/tests/test_ini.sh
+++ b/tests/test_ini_config.sh
@@ -4,8 +4,8 @@
 
 TOP=$(cd $(dirname "$0")/.. && pwd)
 
-# Import common functions
-source $TOP/functions
+# Import config functions
+source $TOP/inc/ini-config
 
 
 echo "Testing INI functions"
diff --git a/tests/test_config.sh b/tests/test_meta_config.sh
similarity index 98%
rename from tests/test_config.sh
rename to tests/test_meta_config.sh
index 3252104..9d65280 100755
--- a/tests/test_config.sh
+++ b/tests/test_meta_config.sh
@@ -4,11 +4,9 @@
 
 TOP=$(cd $(dirname "$0")/.. && pwd)
 
-# Import common functions
-source $TOP/functions
-
 # Import config functions
-source $TOP/lib/config
+source $TOP/inc/ini-config
+source $TOP/inc/meta-config
 
 # check_result() tests and reports the result values
 # check_result "actual" "expected"
diff --git a/tools/build_docs.sh b/tools/build_docs.sh
index 929d1e0..2aa0a0a 100755
--- a/tools/build_docs.sh
+++ b/tools/build_docs.sh
@@ -81,7 +81,7 @@
     mkdir -p $FQ_HTML_BUILD/`dirname $f`;
     $SHOCCO $f > $FQ_HTML_BUILD/$f.html
 done
-for f in $(find functions functions-common lib samples -type f -name \*); do
+for f in $(find functions functions-common inc lib pkg samples -type f -name \*); do
     echo $f
     FILES+="$f "
     mkdir -p $FQ_HTML_BUILD/`dirname $f`;
diff --git a/tox.ini b/tox.ini
index a958ae7..bc84928 100644
--- a/tox.ini
+++ b/tox.ini
@@ -20,6 +20,7 @@
           -name \*.sh -or                     \
           -name \*rc -or                      \
           -name functions\* -or               \
+          -wholename \*/inc/\*                \ # /inc files and
           -wholename \*/lib/\*                \ # /lib files are shell, but
          \)                                   \ #   have no extension
          -print0 | xargs -0 bashate -v"