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#!/bin/sh
# ============LICENSE_START=======================================================
# OOM
# ================================================================================
# Copyright (C) 2020-2021 Nokia. All rights reserved.
# ================================================================================
# 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.
# ============LICENSE_END=========================================================
. ./utils.sh
# Arguments renaming
arguments_number=$#
repo_url=$1
branches=$2
schemas_location=$3
vendor=$4
configmap_filename=$5
configmap_name=$6
snippet_filename=$7
specs_directory=$8
generation_directory=$9
# Constants
SCHEMA_MAP_FILENAME="schema-map.json"
SCHEMA_MAP_NAME="schema-map"
SUCCESS_CODE=0
TREE=tree
INDENTATION_LEVEL_1=1
INDENTATION_LEVEL_2=2
INDENTATION_LEVEL_3=3
INDENTATION_LEVEL_4=4
INDENTATION_LEVEL_5=5
# Variables
tmp_location=$(mktemp -d)
valid_branches=""
# Create and move to directory for storing generated files
move_to_generation_directory() {
mkdir "$generation_directory"
cd ./"$generation_directory"
}
# Indents each line of string by adding indent_size*indent_string spaces on the beginning
# Optional argument is indent_string level, default: 1
# correct usage example:
# echo "Sample Text" | indent_string 2
indent_string() {
indent_size=2
indent_string=1
if [ -n "$1" ]; then indent_string=$1; fi
pr -to $(expr "$indent_string" \* "$indent_size")
}
# Clones all branches selected in $BRANCH from $repo_url
clone_repo() {
for actual_branch in $branches; do
clone_branch "$actual_branch"
done
}
# Clones single branch $1 from $repo_url.
# $1 - branch name
clone_branch() {
check_arguments $# $EXPECTED_1_ARG
if [ -d $tmp_location/"$1" ]; then
echo "Skipping cloning repository."
echo "Branch $1 has already been cloned in the directory ./$tmp_location/$1"
echo "To redownload branch remove ./$tmp_location/$1."
else
echo "Cloning repository from branch $1"
git clone --quiet --single-branch --branch "$1" "$repo_url" "$tmp_location/$1" 2>/dev/null
result=$?
if [ $result -ne $SUCCESS_CODE ] ; then
echo "Problem with cloning branch $1."
echo "Branch $1 will not be added to spec."
else
valid_branches="${valid_branches} $1"
fi
fi
}
# Creates file with name $configmap_filename
# Inserts ConfigMap metadata and sets name as $configmap_name
# $1 - branch name
add_config_map_metadata() {
branch_configmap_filename="${configmap_filename}-$1.yaml"
branch_configmap_name=$( echo "$configmap_name-$1" | tr '[:upper:]' '[:lower:]' )
echo "Creating ConfigMap spec file: $branch_configmap_filename"
cat << EOF > "$branch_configmap_filename"
apiVersion: v1
kind: ConfigMap
metadata:
name: $branch_configmap_name
labels:
name: $branch_configmap_name
namespace: onap
data:
EOF
}
# For each selected branch:
# clones the branch from repository,
# adds schemas from branch to ConfigMap spec
# $1 - branch name
add_schemas() {
echo "Adding schemas from branch $1 to spec"
add_schemas_from_branch "$1"
}
# Adds schemas from single branch to spec
# $1 - branch name
add_schemas_from_branch() {
branch_configmap_filename="${configmap_filename}-$1.yaml"
check_arguments $# $EXPECTED_1_ARG
schemas=$(ls -g $tmp_location/$1/$schemas_location/*.yaml | awk '{print $NF}')
for schema in $schemas; do
echo "$1-$(basename $schema): |-" | indent_string $INDENTATION_LEVEL_1
cat "$schema" | indent_string $INDENTATION_LEVEL_2
done
} >> "$branch_configmap_filename"
move_to_spec_directory() {
mkdir "$specs_directory"
cd ./"$specs_directory"
}
# Generates mapping file for collected schemas directly in spec
# $1 - schema map name
generate_mapping_file() {
schema_map_filename="${configmap_filename}-$1.yaml"
echo "Generating mapping file in spec"
echo "$SCHEMA_MAP_FILENAME"": |-" | indent_string $INDENTATION_LEVEL_1 >> "$schema_map_filename"
echo "[" | indent_string $INDENTATION_LEVEL_2 >> "$schema_map_filename"
for actual_branch in $valid_branches; do
echo "Adding mappings from branch: $actual_branch"
add_mappings_from_branch $actual_branch $schema_map_filename
done
truncate -s-2 "$schema_map_filename"
echo "" >> "$schema_map_filename"
echo "]" | indent_string $INDENTATION_LEVEL_2 >> "$schema_map_filename"
}
# Adds mappings from single branch directly to spec
# $1 - branch name
# $2 - schema map file name
add_mappings_from_branch() {
check_arguments $# $EXPECTED_2_ARGS
schema_map_filename="$2"
schemas=$(ls -g $tmp_location/$1/$schemas_location/*.yaml | awk '{print $NF}' )
for schema in $schemas; do
repo_endpoint=$(echo "$repo_url" | cut -d/ -f4- | rev | cut -d. -f2- | rev)
schema_repo_path=$(echo "$schema" | cut -d/ -f4-)
public_url_schemas_location=${repo_url%.*}
public_url=$public_url_schemas_location/$TREE/$schema_repo_path
local_url=$vendor/$repo_endpoint/$TREE/$schema_repo_path
echo "{" | indent_string $INDENTATION_LEVEL_3 >> "$schema_map_filename"
echo "\"publicURL\": \"$public_url\"," | indent_string $INDENTATION_LEVEL_4 >> "$schema_map_filename"
echo "\"localURL\": \"$local_url\"" | indent_string $INDENTATION_LEVEL_4 >> "$schema_map_filename"
echo "}," | indent_string $INDENTATION_LEVEL_3 >> "$schema_map_filename"
done
}
# Create snippet file to describe how to connect mount ConfigMaps in VES
create_snippet() {
echo "Generating snippets in file: $snippet_filename"
generate_entries
base_mounts_path="/opt/app/VESCollector/etc/externalRepo"
base_mounts_name="external-repo-$vendor-schemas"
mounts_paths="
- mountPath: $base_mounts_path/schema-map
name: $base_mounts_name"
config_maps="
- configMap:
defaultMode: 420
name: $configmap_name-$SCHEMA_MAP_NAME
name: $base_mounts_name"
for actual_branch in $valid_branches; do
actual_branch_name=$( echo "$actual_branch" | tr '[:upper:]' '[:lower:]' )
repo_endpoint=$(echo "$repo_url" | cut -d/ -f4- | rev | cut -d. -f2- | rev)
local_url=$vendor/$repo_endpoint/$TREE/$actual_branch/$schemas_location
mounts_paths="$mounts_paths
- mountPath: $base_mounts_path/$local_url
name: $base_mounts_name-$actual_branch_name"
config_maps="$config_maps
- configMap:
defaultMode: 420
name: $configmap_name-$actual_branch_name
name: $base_mounts_name-$actual_branch_name"
done
cat << EOF > "$snippet_filename"
Snippets for mounting ConfigMap in DCAE VESCollector Deployment
=========================================================================
## Description
These snippets will override existing in VESCollector schemas and mapping file.
No extra configuration in VESCollector is needed with these snippets.
## Snippets
#### spec.template.spec.containers[0].volumeMounts
\`\`\`$mounts_paths
\`\`\`
#### spec.template.spec.volumes
\`\`\`$config_maps
\`\`\`
EOF
}
generate_entries() {
for actual_branch in $valid_branches; do
schemas=$(ls -g $tmp_location/$actual_branch/$schemas_location/*.yaml | awk '{print $NF}')
for schema in $schemas; do
repo_endpoint=$(echo "$repo_url" | cut -d/ -f4- | rev | cut -d. -f2- | rev)
schema_repo_path=$(echo "$schema" | cut -d/ -f4-)
key="$actual_branch-$(basename "$schema")"
path=$vendor/$repo_endpoint/$TREE/$schema_repo_path
schemas_entries="$schemas_entries- key: $key\n path: $path\n"
done
done
schemas_entries=$(echo "$schemas_entries" | indent_string $INDENTATION_LEVEL_5)
}
# Generate specs for branch
# $1 - branch name
generate_specs_for_branch() {
check_arguments $# $EXPECTED_1_ARG
add_config_map_metadata $1
add_schemas $1
}
# Generate specs for schema map
generate_specs_for_schema_map() {
add_config_map_metadata "$SCHEMA_MAP_NAME"
generate_mapping_file "$SCHEMA_MAP_NAME"
}
# Generate specs for all releases and for schema map
generate_specs() {
move_to_spec_directory
for actual_branch in $valid_branches; do
generate_specs_for_branch $actual_branch
done
generate_specs_for_schema_map
cd ..
}
# todo add check of global env whether script should be ran
main() {
check_arguments $arguments_number $EXPECTED_9_ARGS
move_to_generation_directory
clone_repo
generate_specs
create_snippet
move_to_starting_directory
}
main
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