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#
# (C) Copyright IBM Corp. 2017
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# Create the specified directory.
create_dir(){
echo "Creating $1 ..."
mkdir -p $1
status=$?
if [ $status -ne 0 ]; then
echo "Failed to create directory $1 ($status)"
exit $status
fi
}
# Build the connection profiles that the kernel will use.
build_connection_profiles(){
let n=$1
let p=$GLOBAL_FIRST_PORT_NUMBER
for ((k=1; k<=n; k++))
do
# echo "--- Initialize kernel instance $k"
KERNEL_STATE="kernel-$k"
create_dir $TOREE_GATEWAY_HOME/profiles/$KERNEL_STATE
PROFILE="$TOREE_GATEWAY_HOME/profiles/$KERNEL_STATE/profile.json"
echo "{" > $PROFILE
echo " \"stdin_port\": $p," >> $PROFILE; let p=p+1
echo " \"control_port\": $p," >> $PROFILE; let p=p+1
echo " \"hb_port\": $p," >> $PROFILE; let p=p+1
echo " \"shell_port\": $p," >> $PROFILE; let p=p+1
echo " \"iopub_port\": $p," >> $PROFILE; let p=p+1
echo " \"ip\": \"$TOREE_IP\"," >> $PROFILE
echo " \"transport\": \"$TOREE_TRANSPORT\"," >> $PROFILE
echo " \"signature_scheme\": \"$TOREE_SIG_SCHEME\"," >> $PROFILE
# echo " \"key\": \"$TOREE_KEY\"" >> $PROFILE
echo " \"key\": \"\"," >> $PROFILE
echo " \"py4j_java\": $p," >> $PROFILE; let p=p+500
echo " \"py4j_python\": $p" >> $PROFILE; let p=p+1
echo "}" >> $PROFILE
let p=p-501
done
}
# Calculate the number of kernels we can initialize, given the number of ports provided.
# $1 == number of ports available to use
# sets num_kernels == number of kernels (global variable, side effect, I know ...)
get_num_kernels() {
let m=$1%5
if [ $m -ne 0 ]; then
echo "Info: $1 is not a multiple of 5."
echo " $m ports will not be used."
fi
let num_kernels=$1/5
echo "Number of kernels: $num_kernels"
}
# Source the specified config file.
# $1 == specified config file
# $2 == default config file
source_config(){
if [ ! -z "$1" ]; then
if [ ! -f $1 ]; then
echo "File $1 not found!"
exit 2
else
source $1
fi
else
source ../conf/config
fi
}
# Get the installation configuation settings.
source_config
# Get the number of kernels and build the connection profiles for all of
# the kernel instances.
get_num_kernels $GLOBAL_NUMBER_OF_PORTS # sets num_kernels
build_connection_profiles $num_kernels
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