From c003c2fc189748f082c09a2b4a729eb1c5732668 Mon Sep 17 00:00:00 2001
From: Linus Nordberg <linus@nordberg.se>
Date: Tue, 24 May 2022 23:33:38 +0200
Subject: wip

---
 integration/test.sh | 371 +++++++++++++++++++++++++++++++---------------------
 1 file changed, 224 insertions(+), 147 deletions(-)

(limited to 'integration/test.sh')

diff --git a/integration/test.sh b/integration/test.sh
index 25de7a6..2016c48 100755
--- a/integration/test.sh
+++ b/integration/test.sh
@@ -12,17 +12,32 @@
 #
 
 set -eu
+shopt -s nullglob
 trap cleanup EXIT
 
-function main() {
-	log_dir=$(mktemp -d)
+declare -A nodes
+declare -A nodes
+
+pri=conf/primary.config
+sec=conf/secondary.config
 
+function main() {
 	check_go_deps
-	trillian_setup conf/trillian.config
-	sigsum_setup   conf/sigsum.config
-	client_setup   conf/client.config
-	check_setup
 
+	node_setup $pri
+	node_setup $sec
+
+	nodes[$pri:ssrv_extra_args]="-secondary-url=${nodes[$sec:ssrv_endpoint]}"
+	nodes[$pri:ssrv_extra_args]+=" -secondary-pubkey=${nodes[$sec:ssrv_pub]}"
+	node_start $pri
+
+	nodes[$sec:ssrv_extra_args]="-primary-url=${nodes[$pri:ssrv_endpoint]}"
+	nodes[$sec:ssrv_extra_args]+=" -primary-pubkey=${nodes[$pri:ssrv_pub]}"
+	node_start $sec
+
+	client_setup conf/client.config
+
+	check_setup
 	run_tests
 }
 
@@ -55,65 +70,100 @@ function client_setup() {
 	die "must have a properly configured domain hint"
 }
 
+function node_setup() {
+	local i=$1; shift
+	nodes[$i:log_dir]=$(mktemp -d)
+	trillian_setup $i
+	sigsum_setup $i
+}
+
+function node_start() {
+	local i=$1; shift
+	trillian_start $i
+	sigsum_start $i
+}
+
 function trillian_setup() {
-	info "setting up Trillian"
-	source $1
+	local i=$1; shift
+	info "setting up Trillian ($i)"
+
+	source $i
+	nodes[$i:tsrv_rpc]=$tsrv_rpc
+	nodes[$i:tsrv_http]=$tsrv_http
+	nodes[$i:tseq_rpc]=$tseq_rpc
+	nodes[$i:tseq_http]=$tseq_http
+}
+
+function trillian_start() {
+	local i=$1; shift
+	info "starting up Trillian ($i)"
 
 	trillian_log_server\
-		-rpc_endpoint=$tsrv_rpc\
-		-http_endpoint=$tsrv_http\
-		-log_dir=$log_dir 2>/dev/null &
-	tsrv_pid=$!
-	info "started Trillian log server (pid $tsrv_pid)"
+		-rpc_endpoint=${nodes[$i:tsrv_rpc]}\
+		-http_endpoint=${nodes[$i:tsrv_http]}\
+		-log_dir=${nodes[$i:log_dir]} 2>/dev/null &
+	nodes[$i:tsrv_pid]=$!
+	info "started Trillian log server (pid ${nodes[$i:tsrv_pid]})"
 
 	trillian_log_signer\
 		-force_master\
-		-rpc_endpoint=$tseq_rpc\
-		-http_endpoint=$tseq_http\
-		-log_dir=$log_dir 2>/dev/null &
-
-	tseq_pid=$!
-	info "started Trillian log sequencer (pid $tseq_pid)"
+		-rpc_endpoint=${nodes[$i:tseq_rpc]}\
+		-http_endpoint=${nodes[$i:tseq_http]}\
+		-log_dir=${nodes[$i:log_dir]} 2>/dev/null &
+	nodes[$i:tseq_pid]=$!
+	info "started Trillian log sequencer (pid ${nodes[$i:tseq_pid]})"
 
-	ssrv_tree_id=$(createtree --admin_server $tsrv_rpc 2>/dev/null)
+	nodes[$i:ssrv_tree_id]=$(createtree --admin_server ${nodes[$i:tsrv_rpc]} 2>/dev/null)
 	[[ $? -eq 0 ]] ||
 		die "must provision a new Merkle tree"
 
-	info "provisioned Merkle tree with id $ssrv_tree_id"
+	info "provisioned Merkle tree with id ${nodes[$i:ssrv_tree_id]}"
 }
 
 function sigsum_setup() {
-	info "setting up Sigsum server"
-	source $1
-
-	wit1_priv=$(sigsum-debug key private)
-	wit1_pub=$(echo $wit1_priv | sigsum-debug key public)
-	wit1_key_hash=$(echo $wit1_pub | sigsum-debug key hash)
-
-	wit2_priv=$(sigsum-debug key private)
-	wit2_pub=$(echo $wit2_priv | sigsum-debug key public)
-	wit2_key_hash=$(echo $wit2_pub | sigsum-debug key hash)
+	local i=$1; shift
+	info "setting up Sigsum server ($i)"
+	source $i
+
+	nodes[$i:ssrv_role]=$ssrv_role
+	nodes[$i:ssrv_endpoint]=$ssrv_endpoint
+	nodes[$i:ssrv_prefix]=$ssrv_prefix
+	nodes[$i:ssrv_shard_start]=$ssrv_shard_start
+	nodes[$i:ssrv_interval]=$ssrv_interval
+	nodes[$i:log_url]=${nodes[$i:ssrv_endpoint]}/${nodes[$i:ssrv_prefix]}/sigsum/v0
+
+	nodes[$i:wit1_priv]=$(sigsum-debug key private)
+	nodes[$i:wit1_pub]=$(echo ${nodes[$i:wit1_priv]} | sigsum-debug key public)
+	nodes[$i:wit1_key_hash]=$(echo ${nodes[$i:wit1_pub]} | sigsum-debug key hash)
+	nodes[$i:wit2_priv]=$(sigsum-debug key private)
+	nodes[$i:wit2_pub]=$(echo ${nodes[$i:wit2_priv]} | sigsum-debug key public)
+	nodes[$i:wit2_key_hash]=$(echo ${nodes[$i:wit2_pub]} | sigsum-debug key hash)
+	nodes[$i:ssrv_witnesses]=${nodes[$i:wit1_pub]},${nodes[$i:wit2_pub]}
+
+	nodes[$i:ssrv_priv]=$(sigsum-debug key private)
+	nodes[$i:ssrv_pub]=$(echo ${nodes[$i:ssrv_priv]} | sigsum-debug key public)
+	nodes[$i:ssrv_key_hash]=$(echo ${nodes[$i:ssrv_pub]} | sigsum-debug key hash)
+}
 
-	ssrv_witnesses=$wit1_pub,$wit2_pub
-	ssrv_priv=$(sigsum-debug key private)
-	ssrv_pub=$(echo $ssrv_priv | sigsum-debug key public)
-	ssrv_key_hash=$(echo $ssrv_pub | sigsum-debug key hash)
+function sigsum_start() {
+	local i=$1; shift
+	info "starting Sigsum log server ($i)"
 
 	sigsum_log_go\
-		-prefix=$ssrv_prefix\
-		-trillian_id=$ssrv_tree_id\
-		-shard_interval_start=$ssrv_shard_start\
-		-key=<(echo $ssrv_priv)\
-		-witnesses=$ssrv_witnesses\
-		-interval=$ssrv_interval\
-		-http_endpoint=$ssrv_endpoint\
+		-prefix=${nodes[$i:ssrv_prefix]}\
+		-trillian_id=${nodes[$i:ssrv_tree_id]}\
+		-shard_interval_start=${nodes[$i:ssrv_shard_start]}\
+		-key=<(echo ${nodes[$i:ssrv_priv]})\
+		-witnesses=${nodes[$i:ssrv_witnesses]}\
+		-interval=${nodes[$i:ssrv_interval]}\
+		-http_endpoint=${nodes[$i:ssrv_endpoint]}\
 		-log-color="true"\
 		-log-level="debug"\
-		-log-file=$log_dir/sigsum-log.log 2>/dev/null &
-	ssrv_pid=$!
+		-role=${nodes[$i:ssrv_role]} ${nodes[$i:ssrv_extra_args]} \
+		-log-file=${nodes[$i:log_dir]}/sigsum-log.log 2>/dev/null &
+	nodes[$i:ssrv_pid]=$!
 
-	log_url=$ssrv_endpoint/$ssrv_prefix/sigsum/v0
-	info "started Sigsum log server on $ssrv_endpoint (pid $ssrv_pid)"
+	info "started Sigsum log server on ${nodes[$i:ssrv_endpoint]} (pid ${nodes[$i:ssrv_pid]})"
 }
 
 function cleanup() {
@@ -122,49 +172,58 @@ function cleanup() {
 	info "cleaning up, please wait..."
 	sleep 1
 
-	kill -2 $ssrv_pid
-	kill -2 $tseq_pid
-	while :; do
-		sleep 1
+	for i in $pri $sec; do
+		boundp $i:ssrv_pid && kill -2 ${nodes[$i:ssrv_pid]}
+		boundp $i:tseq_pid && kill -2 ${nodes[$i:tseq_pid]}
+		while :; do
+			sleep 1
 
-		ps -p $tseq_pid >/dev/null && continue
-		ps -p $ssrv_pid >/dev/null && continue
+			boundp $i:tseq_pid && ps -p ${nodes[$i:tseq_pid]} >/dev/null && continue
+			boundp $i:ssrv_pid && ps -p ${nodes[$i:$ssrv_pid]} >/dev/null && continue
 
-		break
+			break
+		done
+	done
+	info "stopped Trillian log sequencer(s)"
+	info "stopped Sigsum log server(s)"
+
+	for i in $pri $sec; do
+		if ! deletetree -admin_server=$tsrv_rpc -log_id=${nodes[$i:ssrv_tree_id]}; then
+			warn "failed deleting provisioned Merkle tree ${nodes[$i:ssrv_tree_id]}"
+		else
+			info "deleted provisioned Merkle tree ${nodes[$i:ssrv_tree_id]}"
+		fi
 	done
 
-	info "stopped Trillian log sequencer"
-	info "stopped Sigsum log server"
-
-	if ! deletetree -admin_server=$tsrv_rpc -log_id=$ssrv_tree_id; then
-		warn "failed deleting provisioned Merkle tree"
-	else
-		info "deleteted provisioned Merkle tree"
-	fi
-
-	kill -2 $tsrv_pid
-	while :; do
-		sleep 1
+	for i in $pri $sec; do
+		boundp $i:tsrv_pid || continue
+		kill -2 ${nodes[$i:tsrv_pid]}
+		while :; do
+			sleep 1
 
-		ps -p $tsrv_pid >/dev/null && continue
+			ps -p ${nodes[$i:tsrv_pid]} >/dev/null && continue
 
-		break
+			break
+		done
 	done
+	info "stopped Trillian log server(s)"
 
-	info "stopped Trillian log server"
-
-	printf "\n  Press any key to delete logs in $log_dir"
-	read dummy
+	for i in $pri $sec; do
+		printf "\n  Press any key to delete logs in ${nodes[$i:log_dir]}"
+		read dummy
 
-	rm -rf $log_dir
+		rm -rf ${nodes[$i:log_dir]}
+	done
 }
 
 function check_setup() {
-	sleep 3
+	for i in $pri $sec; do
+		sleep 3
 
-	ps -p $tseq_pid >/dev/null || die "must have Trillian log sequencer"
-	ps -p $tsrv_pid >/dev/null || die "must have Trillian log server"
-	ps -p $ssrv_pid >/dev/null || die "must have Sigsum log server"
+		ps -p ${nodes[$i:tseq_pid]} >/dev/null || die "must have Trillian log sequencer ($i)"
+		ps -p ${nodes[$i:tsrv_pid]} >/dev/null || die "must have Trillian log server ($i)"
+		ps -p ${nodes[$i:ssrv_pid]} >/dev/null || die "must have Sigsum log server ($i)"
+	done
 }
 
 function run_tests() {
@@ -176,18 +235,18 @@ function run_tests() {
 	done
 
 	info "waiting for $num_leaf leaves to be merged..."
-	sleep ${ssrv_interval::-1}
+	sleep ${nodes[$pri:ssrv_interval]::-1}
 
 	test_signed_tree_head $num_leaf
 	for i in $(seq 1 $(( $num_leaf - 1 ))); do
 		test_consistency_proof $i $num_leaf
 	done
 
-	test_cosignature $wit1_key_hash $wit1_priv
-	test_cosignature $wit2_key_hash $wit2_priv
+	test_cosignature ${nodes[$pri:wit1_key_hash]} ${nodes[$pri:wit1_priv]}
+	test_cosignature ${nodes[$pri:wit2_key_hash]} ${nodes[$pri:wit2_priv]}
 
 	info "waiting for cosignature to be available..."
-	sleep ${ssrv_interval::-1}
+	sleep ${nodes[$pri:ssrv_interval]::-1}
 
 	test_cosigned_tree_head $num_leaf
 	for i in $(seq 1 $num_leaf); do
@@ -202,32 +261,33 @@ function run_tests() {
 }
 
 function test_signed_tree_head() {
+	local log_dir=${nodes[$pri:log_dir]}
 	desc="GET tree-head-to-cosign (tree size $1)"
-	curl -s -w "%{http_code}" $log_url/get-tree-head-to-cosign \
+	curl -s -w "%{http_code}" ${nodes[$pri:log_url]}/get-tree-head-to-cosign \
 		>$log_dir/rsp
 
-	if [[ $(status_code) != 200 ]]; then
-		fail "$desc: http status code $(status_code)"
+	if [[ $(status_code $pri) != 200 ]]; then
+		fail "$desc: http status code $(status_code $pri)"
 		return
 	fi
 
-	if ! keys "timestamp" "tree_size" "root_hash" "signature"; then
-		fail "$desc: ascii keys in response $(debug_response)"
+	if ! keys $pri "timestamp" "tree_size" "root_hash" "signature"; then
+		fail "$desc: ascii keys in response $(debug_response $pri)"
 		return
 	fi
 
 	now=$(date +%s)
-	if [[ $(value_of "timestamp") -gt $now ]]; then
-		fail "$desc: timestamp $(value_of "timestamp") is too large"
+	if [[ $(value_of $pri "timestamp") -gt $now ]]; then
+		fail "$desc: timestamp $(value_of $pri "timestamp") is too large"
 		return
 	fi
-	if [[ $(value_of "timestamp") -lt $(( $now - ${ssrv_interval::-1} )) ]]; then
-		fail "$desc: timestamp $(value_of "timestamp") is too small"
+	if [[ $(value_of $pri "timestamp") -lt $(( $now - ${nodes[$pri:ssrv_interval]::-1} )) ]]; then
+		fail "$desc: timestamp $(value_of $pri "timestamp") is too small"
 		return
 	fi
 
-	if [[ $(value_of "tree_size") != $1 ]]; then
-		fail "$desc: tree size $(value_of "tree_size")"
+	if [[ $(value_of $pri "tree_size") != $1 ]]; then
+		fail "$desc: tree size $(value_of $pri "tree_size")"
 		return
 	fi
 
@@ -236,38 +296,39 @@ function test_signed_tree_head() {
 }
 
 function test_cosigned_tree_head() {
+	local log_dir=${nodes[$pri:log_dir]}
 	desc="GET get-tree-head-cosigned (all witnesses)"
-	curl -s -w "%{http_code}" $log_url/get-tree-head-cosigned \
+	curl -s -w "%{http_code}" ${nodes[$pri:log_url]}/get-tree-head-cosigned \
 		>$log_dir/rsp
 
-	if [[ $(status_code) != 200 ]]; then
-		fail "$desc: http status code $(status_code)"
+	if [[ $(status_code $pri) != 200 ]]; then
+		fail "$desc: http status code $(status_code $pri)"
 		return
 	fi
 
-	if ! keys "timestamp" "tree_size" "root_hash" "signature" "cosignature" "key_hash"; then
-		fail "$desc: ascii keys in response $(debug_response)"
+	if ! keys $pri "timestamp" "tree_size" "root_hash" "signature" "cosignature" "key_hash"; then
+		fail "$desc: ascii keys in response $(debug_response $pri)"
 		return
 	fi
 
 	now=$(date +%s)
-	if [[ $(value_of "timestamp") -gt $now ]]; then
-		fail "$desc: timestamp $(value_of "timestamp") is too large"
+	if [[ $(value_of $pri "timestamp") -gt $now ]]; then
+		fail "$desc: timestamp $(value_of $pri "timestamp") is too large"
 		return
 	fi
-	if [[ $(value_of "timestamp") -lt $(( $now - ${ssrv_interval::-1} * 2 )) ]]; then
-		fail "$desc: timestamp $(value_of "timestamp") is too small"
+	if [[ $(value_of $pri "timestamp") -lt $(( $now - ${nodes[$pri:ssrv_interval]::-1} * 2 )) ]]; then
+		fail "$desc: timestamp $(value_of $pri "timestamp") is too small"
 		return
 	fi
 
-	if [[ $(value_of "tree_size") != $1 ]]; then
-		fail "$desc: tree size $(value_of "tree_size")"
+	if [[ $(value_of $pri "tree_size") != $1 ]]; then
+		fail "$desc: tree size $(value_of $pri "tree_size")"
 		return
 	fi
 
-	for got in $(value_of key_hash); do
+	for got in $(value_of $pri key_hash); do
 		found=""
-		for want in $wit1_key_hash $wit2_key_hash; do
+		for want in ${nodes[$pri:wit1_key_hash]} ${nodes[$pri:wit2_key_hash]}; do
 			if [[ $got == $want ]]; then
 				found=true
 			fi
@@ -285,23 +346,24 @@ function test_cosigned_tree_head() {
 }
 
 function test_inclusion_proof() {
+	local log_dir=${nodes[$pri:log_dir]}
 	desc="GET get-inclusion-proof (tree_size $1, data \"$2\", index $3)"
-	signature=$(echo $2 | sigsum-debug leaf sign -k $cli_priv -h $ssrv_shard_start)
-	leaf_hash=$(echo $2 | sigsum-debug leaf hash -k $cli_key_hash -s $signature -h $ssrv_shard_start)
-	curl -s -w "%{http_code}" $log_url/get-inclusion-proof/$1/$leaf_hash >$log_dir/rsp
+	signature=$(echo $2 | sigsum-debug leaf sign -k $cli_priv -h ${nodes[$pri:ssrv_shard_start]})
+	leaf_hash=$(echo $2 | sigsum-debug leaf hash -k $cli_key_hash -s $signature -h ${nodes[$pri:ssrv_shard_start]})
+	curl -s -w "%{http_code}" ${nodes[$pri:log_url]}/get-inclusion-proof/$1/$leaf_hash >$log_dir/rsp
 
-	if [[ $(status_code) != 200 ]]; then
-		fail "$desc: http status code $(status_code)"
+	if [[ $(status_code $pri) != 200 ]]; then
+		fail "$desc: http status code $(status_code $pri)"
 		return
 	fi
 
-	if ! keys "leaf_index" "inclusion_path"; then
-		fail "$desc: ascii keys in response $(debug_response)"
+	if ! keys $pri "leaf_index" "inclusion_path"; then
+		fail "$desc: ascii keys in response $(debug_response $pri)"
 		return
 	fi
 
-	if [[ $(value_of leaf_index) != $3 ]]; then
-		fail "$desc: wrong leaf index $(value_of leaf_index)"
+	if [[ $(value_of $pri leaf_index) != $3 ]]; then
+		fail "$desc: wrong leaf index $(value_of $pri leaf_index)"
 		return
 	fi
 
@@ -310,16 +372,17 @@ function test_inclusion_proof() {
 }
 
 function test_consistency_proof() {
+	local log_dir=${nodes[$pri:log_dir]}
 	desc="GET get-consistency-proof (old_size $1, new_size $2)"
-	curl -s -w "%{http_code}" $log_url/get-consistency-proof/$1/$2 >$log_dir/rsp
+	curl -s -w "%{http_code}" ${nodes[$pri:log_url]}/get-consistency-proof/$1/$2 >$log_dir/rsp
 
-	if [[ $(status_code) != 200 ]]; then
-		fail "$desc: http status code $(status_code)"
+	if [[ $(status_code $pri) != 200 ]]; then
+		fail "$desc: http status code $(status_code $pri)"
 		return
 	fi
 
-	if ! keys "consistency_path"; then
-		fail "$desc: ascii keys in response $(debug_response)"
+	if ! keys $pri "consistency_path"; then
+		fail "$desc: ascii keys in response $(debug_response $pri)"
 		return
 	fi
 
@@ -328,33 +391,34 @@ function test_consistency_proof() {
 }
 
 function test_get_leaf() {
+	local log_dir=${nodes[$pri:log_dir]}
 	desc="GET get-leaves (data \"$1\", index $2)"
-	curl -s -w "%{http_code}" $log_url/get-leaves/$2/$2 >$log_dir/rsp
+	curl -s -w "%{http_code}" ${nodes[$pri:log_url]}/get-leaves/$2/$2 >$log_dir/rsp
 
-	if [[ $(status_code) != 200 ]]; then
-		fail "$desc: http status code $(status_code)"
+	if [[ $(status_code $pri) != 200 ]]; then
+		fail "$desc: http status code $(status_code $pri)"
 		return
 	fi
 
-	if ! keys "shard_hint" "checksum" "signature" "key_hash"; then
-		fail "$desc: ascii keys in response $(debug_response)"
+	if ! keys $pri "shard_hint" "checksum" "signature" "key_hash"; then
+		fail "$desc: ascii keys in response $(debug_response $pri)"
 		return
 	fi
 
-	if [[ $(value_of shard_hint) != $ssrv_shard_start ]]; then
-		fail "$desc: wrong shard hint $(value_of shard_hint)"
+	if [[ $(value_of $pri shard_hint) != ${nodes[$pri:ssrv_shard_start]} ]]; then
+		fail "$desc: wrong shard hint $(value_of $pri shard_hint)"
 		return
 	fi
 
 	message=$(openssl dgst -binary <(echo $1) | base16)
 	checksum=$(openssl dgst -binary <(echo $message | base16 -d) | base16)
-	if [[ $(value_of checksum) != $checksum ]]; then
-		fail "$desc: wrong checksum $(value_of checksum)"
+	if [[ $(value_of $pri checksum) != $checksum ]]; then
+		fail "$desc: wrong checksum $(value_of $pri checksum)"
 		return
 	fi
 
-	if [[ $(value_of key_hash) != $cli_key_hash ]]; then
-		fail "$desc: wrong key hash $(value_of key_hash)"
+	if [[ $(value_of $pri key_hash) != $cli_key_hash ]]; then
+		fail "$desc: wrong key hash $(value_of $pri key_hash)"
 	fi
 
 	# TODO: check leaf signature
@@ -362,24 +426,25 @@ function test_get_leaf() {
 }
 
 function test_add_leaf() {
+	local log_dir=${nodes[$pri:log_dir]}
 	desc="POST add-leaf (data \"$1\")"
-	echo "shard_hint=$ssrv_shard_start" > $log_dir/req
+	echo "shard_hint=${nodes[$pri:ssrv_shard_start]}" > $log_dir/req
 	echo "message=$(openssl dgst -binary <(echo $1) | base16)" >> $log_dir/req
 	echo "signature=$(echo $1 |
-		sigsum-debug leaf sign -k $cli_priv -h $ssrv_shard_start)" >> $log_dir/req
+		sigsum-debug leaf sign -k $cli_priv -h ${nodes[$pri:ssrv_shard_start]})" >> $log_dir/req
 	echo "public_key=$cli_pub" >> $log_dir/req
 	echo "domain_hint=$cli_domain_hint" >> $log_dir/req
 	cat $log_dir/req |
-		curl -s -w "%{http_code}" --data-binary @- $log_url/add-leaf \
+		curl -s -w "%{http_code}" --data-binary @- ${nodes[$pri:log_url]}/add-leaf \
 		>$log_dir/rsp
 
-	if [[ $(status_code) != 200 ]]; then
-		fail "$desc: http status code $(status_code)"
+	if [[ $(status_code $pri) != 200 ]]; then
+		fail "$desc: http status code $(status_code $pri)"
 		return
 	fi
 
-	if ! keys; then
-		fail "$desc: ascii keys in response $(debug_response)"
+	if ! keys $pri; then
+		fail "$desc: ascii keys in response $(debug_response $pri)"
 		return
 	fi
 
@@ -387,21 +452,24 @@ function test_add_leaf() {
 }
 
 function test_cosignature() {
+	local log_dir=${nodes[$pri:log_dir]}
+	#local log_url=${nodes[$pri:log_url]}
+	#local ssrv_key_hash=${nodes[$pri:ssrv_key_hash]}
 	desc="POST add-cosignature (witness $1)"
 	echo "key_hash=$1" > $log_dir/req
-	echo "cosignature=$(curl -s $log_url/get-tree-head-to-cosign |
-		sigsum-debug head sign -k $2 -h $ssrv_key_hash)" >> $log_dir/req
+	echo "cosignature=$(curl -s ${nodes[$pri:log_url]}/get-tree-head-to-cosign |
+		sigsum-debug head sign -k $2 -h ${nodes[$pri:ssrv_key_hash]})" >> $log_dir/req
 	cat $log_dir/req |
-		curl -s -w "%{http_code}" --data-binary @- $log_url/add-cosignature \
+		curl -s -w "%{http_code}" --data-binary @- ${nodes[$pri:log_url]}/add-cosignature \
 		>$log_dir/rsp
 
-	if [[ $(status_code) != 200 ]]; then
-		fail "$desc: http status code $(status_code)"
+	if [[ $(status_code $pri) != 200 ]]; then
+		fail "$desc: http status code $(status_code $pri)"
 		return
 	fi
 
-	if ! keys; then
-		fail "$desc: ascii keys in response $(debug_response)"
+	if ! keys $pri; then
+		fail "$desc: ascii keys in response $(debug_response $pri)"
 		return
 	fi
 
@@ -409,15 +477,18 @@ function test_cosignature() {
 }
 
 function debug_response() {
+	local i=$1; shift
 	echo ""
-	cat $log_dir/rsp
+	cat ${nodes[$i:log_dir]}/rsp
 }
 
 function status_code() {
-	tail -n1 $log_dir/rsp
+	local i=$1; shift
+	tail -n1 ${nodes[$i:log_dir]}/rsp
 }
 
 function value_of() {
+	local i=$1; shift
 	while read line; do
 		key=$(echo $line | cut -d"=" -f1)
 		if [[ $key != $1 ]]; then
@@ -426,16 +497,17 @@ function value_of() {
 
 		value=$(echo $line | cut -d"=" -f2)
 		echo $value
-	done < <(head --lines=-1 $log_dir/rsp)
+	done < <(head --lines=-1 ${nodes[$i:log_dir]}/rsp)
 }
 
 function keys() {
+        local i=$1; shift
 	declare -A map
 	map[thedummystring]=to_avoid_error_on_size_zero
 	while read line; do
 		key=$(echo $line | cut -d"=" -f1)
 		map[$key]=ok
-	done < <(head --lines=-1 $log_dir/rsp)
+	done < <(head --lines=-1 ${nodes[$i:log_dir]}/rsp)
 
 	if [[ $# != $(( ${#map[@]} - 1 )) ]]; then
 		return 1
@@ -448,6 +520,11 @@ function keys() {
 	return 0
 }
 
+function boundp {
+    [[ ${!nodes[@]} == *$1* ]] && return 1
+    return 0
+}
+
 function die() {
 	echo -e "\e[37m$(date +"%y-%m-%d %H:%M:%S %Z")\e[0m [\e[31mFATA\e[0m] $@" >&2
 	exit 1
-- 
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