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#!/usr/bin/env bash
# Starts PuppetDB using an existing uberjar
# The uberjar location can be defined with PDB_JAR environment variable
# The Bouncycastle dependency jars can be specified with BCPROV_JAR and BCPKIX_JAR
# Must have PostgreSQL running for PuppetDB to work
# Any arguments get passed straight to PuppetDB
# Example: pdb --help
# Example: pdb services --config ~/tmp/pdb-sandbox/conf.d
set -eo pipefail
# Extract version of a Maven package from `lein deps :tree` output
dep-ver()
{
# Example:
# [org.bouncycastle/bcpkix-jdk18on "1.71"]
local artifact="$1" deps="$2"
artifact_rx="${artifact//./\\.}"' "([0-9.]+)"'
[[ $deps =~ $artifact_rx ]]
echo "${BASH_REMATCH[1]}"
}
cache_checked=''
# Save Bouncy Castle package versions to local filesystem
ensure-cache()
{
if test ! -e ./pdb.bcprov -o ./project.clj -nt ./pdb.bcprov \
-o ! -e ./pdb.bcpkix -o ./project.clj -nt ./pdb.bcpkix; then
if test "$cache_checked"; then
echo 'error: pdb.* or project.clj changed during execution' 1>&2
exit 2
fi
local deps=$(lein deps :tree)
dep-ver org.bouncycastle/bcpkix-jdk18on "$deps" > ./pdb.bcpkix
dep-ver org.bouncycastle/bcprov-jdk18on "$deps" > ./pdb.bcprov
fi
cache_checked=true
}
# Ensure a file exists. Otherwise prints the command to use to create the file.
require-file()
{
local file="$1" fix="$2"
if ! test -e "$file"; then
printf 'Unable to find %q; have you run %q?\n' "$file" "$fix" 1>&2
exit 2
fi
}
jar="${PDB_JAR:-target/puppetdb.jar}"
bcprov=''
bcpkix=''
# Load Bouncy Castle Crypto package jar from a custom location or Maven cache
# https://mavenlibs.com/maven/dependency/org.bouncycastle/bcprov-jdk18on
if test "$BCPROV_JAR"; then
bcprov="$BCPROV_JAR"
else
ensure-cache
bcprov_ver=$(<./pdb.bcprov)
bcprov="$HOME/.m2/repository/org/bouncycastle/bcprov-jdk18on/$bcprov_ver/bcprov-jdk18on-$bcprov_ver.jar"
fi
# Load another necessary Bouncy Castle jar from a custom location or Maven cache
# https://mavenlibs.com/maven/dependency/org.bouncycastle/bcpkix-jdk18on
if test "$BCPKIX_JAR"; then
bcpkix="$BCPKIX_JAR"
else
ensure-cache
bcpkix_ver=$(<./pdb.bcpkix)
bcpkix="$HOME/.m2/repository/org/bouncycastle/bcpkix-jdk18on/$bcpkix_ver/bcpkix-jdk18on-$bcpkix_ver.jar"
fi
# Validate that PuppetDB jar and Bouncy Castle jars exist
require-file "$jar" "lein uberjar"
require-file "$bcprov" "lein deps"
require-file "$bcpkix" "lein deps"
# Start PuppetDB and pass all received arguments to it
exec java -cp "$jar:$bcprov:$bcpkix" clojure.main -m puppetlabs.puppetdb.core "$@"
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