551 lines
12 KiB
Bash
Executable File
551 lines
12 KiB
Bash
Executable File
#!/bin/bash
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# retry based on
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# https://github.com/fernandoacorreia/azure-docker-registry/blob/master/tools/scripts/create-registry-server
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# under MIT license.
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function retry {
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local n=1
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local max=$1
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shift
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local delay=$1
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shift
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local errtrace=0
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if grep -q "errtrace" <<< "$SHELLOPTS"
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then
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errtrace=1
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set +E
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fi
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for ((i=1;i<=$max;i++))
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do
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if "$@"
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then
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if test $errtrace -eq 1
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then
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set -E
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fi
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return 0
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else
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echo "Command failed. Attempt $i/$max:"
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sleep $delay
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fi
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done
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if test $errtrace -eq 1
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then
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set -E
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fi
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return 1
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}
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function retry_default {
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set +E
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ret=0
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retry 5 1 "$@" || ret=1
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set -E
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return $ret
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}
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function retry_long {
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retry 30 1 "$@"
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}
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function echored {
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tput setaf 1
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tput bold
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echo $@
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tput sgr0
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}
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function echogreen {
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tput setaf 2
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tput bold
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echo $@
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tput sgr0
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}
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function echoyellow {
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tput setaf 3
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tput bold
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echo $@
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tput sgr0
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}
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function echoblue {
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tput setaf 4
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tput bold
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echo $@
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tput sgr0
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}
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function is_set {
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# Arguments:
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# $1 - string value to check its truthiness
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#
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# Return:
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# 0 - is truthy (backwards I know but allows syntax like `if is_set <var>` to work)
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# 1 - is not truthy
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local val=$(tr '[:upper:]' '[:lower:]' <<< "$1")
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case $val in
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1 | t | true | y | yes)
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return 0
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;;
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*)
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return 1
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;;
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esac
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}
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function get_cert {
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local HOSTPORT=$1
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CERT=$(openssl s_client -connect $HOSTPORT -showcerts )
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openssl x509 -noout -text <<< "$CERT"
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}
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function assert_proxy_presents_cert_uri {
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local HOSTPORT=$1
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local SERVICENAME=$2
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local DC=${3:-primary}
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local NS=${4:-default}
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CERT=$(retry_default get_cert $HOSTPORT)
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echo "WANT SERVICE: ${NS}/${SERVICENAME}"
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echo "GOT CERT:"
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echo "$CERT"
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echo "$CERT" | grep -Eo "URI:spiffe://([a-zA-Z0-9-]+).consul/ns/${NS}/dc/${DC}/svc/$SERVICENAME"
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}
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function assert_envoy_version {
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local ADMINPORT=$1
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run retry_default curl -f -s localhost:$ADMINPORT/server_info
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[ "$status" -eq 0 ]
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# Envoy 1.8.0 returns a plain text line like
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# envoy 5d25f466c3410c0dfa735d7d4358beb76b2da507/1.8.0/Clean/DEBUG live 3 3 0
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# Later versions return JSON.
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if (echo $output | grep '^envoy') ; then
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VERSION=$(echo $output | cut -d ' ' -f 2)
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else
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VERSION=$(echo $output | jq -r '.version')
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fi
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echo "Status=$status"
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echo "Output=$output"
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echo "---"
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echo "Got version=$VERSION"
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echo "Want version=$ENVOY_VERSION"
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echo $VERSION | grep "/$ENVOY_VERSION/"
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}
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function get_envoy_listener_filters {
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local HOSTPORT=$1
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run retry_default curl -s -f $HOSTPORT/config_dump
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[ "$status" -eq 0 ]
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echo "$output" | jq --raw-output '.configs[2].dynamic_active_listeners[].listener | "\(.name) \( .filter_chains[0].filters | map(.name) | join(","))"'
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}
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function get_envoy_cluster_threshold {
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local HOSTPORT=$1
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local CLUSTER_NAME=$2
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run retry_default curl -s -f $HOSTPORT/config_dump
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[ "$status" -eq 0 ]
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echo "$output" | jq --raw-output "
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.configs[1].dynamic_active_clusters[]
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| select(.cluster.name|startswith(\"${CLUSTER_NAME}\"))
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| .cluster.circuit_breakers.thresholds[0]
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"
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}
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function get_envoy_stats_flush_interval {
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local HOSTPORT=$1
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run retry_default curl -s -f $HOSTPORT/config_dump
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[ "$status" -eq 0 ]
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#echo "$output" > /workdir/s1_envoy_dump.json
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echo "$output" | jq --raw-output '.configs[0].bootstrap.stats_flush_interval'
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}
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# snapshot_envoy_admin is meant to be used from a teardown scriptlet from the host.
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function snapshot_envoy_admin {
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local HOSTPORT=$1
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local ENVOY_NAME=$2
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local DC=${3:-primary}
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docker_wget "$DC" "http://${HOSTPORT}/config_dump" -q -O - > "./workdir/${DC}/envoy/${ENVOY_NAME}-config_dump.json"
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docker_wget "$DC" "http://${HOSTPORT}/clusters?format=json" -q -O - > "./workdir/${DC}/envoy/${ENVOY_NAME}-clusters.json"
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docker_wget "$DC" "http://${HOSTPORT}/stats" -q -O - > "./workdir/${DC}/envoy/${ENVOY_NAME}-stats.txt"
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}
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function reset_envoy_metrics {
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local HOSTPORT=$1
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curl -s -f -XPOST $HOSTPORT/reset_counters
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return $?
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}
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function get_all_envoy_metrics {
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local HOSTPORT=$1
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curl -s -f $HOSTPORT/stats
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return $?
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}
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function get_envoy_metrics {
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local HOSTPORT=$1
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local METRICS=$2
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get_all_envoy_metrics $HOSTPORT | grep "$METRICS"
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}
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function get_upstream_endpoint_in_status_count {
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local HOSTPORT=$1
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local CLUSTER_NAME=$2
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local HEALTH_STATUS=$3
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run retry_default curl -s -f "http://${HOSTPORT}/clusters?format=json"
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[ "$status" -eq 0 ]
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# echo "$output" >&3
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echo "$output" | jq --raw-output "
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.cluster_statuses[]
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| select(.name|startswith(\"${CLUSTER_NAME}\"))
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| [.host_statuses[].health_status.eds_health_status]
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| [select(.[] == \"${HEALTH_STATUS}\")]
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| length"
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}
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function assert_upstream_has_endpoints_in_status_once {
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local HOSTPORT=$1
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local CLUSTER_NAME=$2
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local HEALTH_STATUS=$3
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local EXPECT_COUNT=$4
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GOT_COUNT=$(get_upstream_endpoint_in_status_count $HOSTPORT $CLUSTER_NAME $HEALTH_STATUS)
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[ "$GOT_COUNT" -eq $EXPECT_COUNT ]
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}
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function assert_upstream_has_endpoints_in_status {
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local HOSTPORT=$1
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local CLUSTER_NAME=$2
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local HEALTH_STATUS=$3
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local EXPECT_COUNT=$4
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run retry_long assert_upstream_has_endpoints_in_status_once $HOSTPORT $CLUSTER_NAME $HEALTH_STATUS $EXPECT_COUNT
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[ "$status" -eq 0 ]
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}
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function assert_envoy_metric {
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set -eEuo pipefail
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local HOSTPORT=$1
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local METRIC=$2
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local EXPECT_COUNT=$3
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METRICS=$(get_envoy_metrics $HOSTPORT "$METRIC")
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if [ -z "${METRICS}" ]
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then
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echo "Metric not found" 1>&2
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return 1
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fi
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GOT_COUNT=$(awk -F: '{print $2}' <<< "$METRICS" | head -n 1 | tr -d ' ')
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if [ -z "$GOT_COUNT" ]
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then
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echo "Couldn't parse metric count" 1>&2
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return 1
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fi
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if [ $EXPECT_COUNT -ne $GOT_COUNT ]
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then
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echo "$METRIC - expected count: $EXPECT_COUNT, actual count: $GOT_COUNT" 1>&2
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return 1
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fi
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}
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function assert_envoy_metric_at_least {
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set -eEuo pipefail
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local HOSTPORT=$1
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local METRIC=$2
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local EXPECT_COUNT=$3
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METRICS=$(get_envoy_metrics $HOSTPORT "$METRIC")
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if [ -z "${METRICS}" ]
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then
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echo "Metric not found" 1>&2
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return 1
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fi
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GOT_COUNT=$(awk -F: '{print $2}' <<< "$METRICS" | head -n 1 | tr -d ' ')
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if [ -z "$GOT_COUNT" ]
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then
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echo "Couldn't parse metric count" 1>&2
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return 1
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fi
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if [ $EXPECT_COUNT -gt $GOT_COUNT ]
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then
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echo "$METRIC - expected >= count: $EXPECT_COUNT, actual count: $GOT_COUNT" 1>&2
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return 1
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fi
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}
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function assert_envoy_aggregate_metric_at_least {
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set -eEuo pipefail
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local HOSTPORT=$1
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local METRIC=$2
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local EXPECT_COUNT=$3
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METRICS=$(get_envoy_metrics $HOSTPORT "$METRIC")
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if [ -z "${METRICS}" ]
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then
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echo "Metric not found" 1>&2
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return 1
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fi
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GOT_COUNT=$(awk '{ sum += $2 } END { print sum }' <<< "$METRICS")
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if [ -z "$GOT_COUNT" ]
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then
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echo "Couldn't parse metric count" 1>&2
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return 1
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fi
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if [ $EXPECT_COUNT -gt $GOT_COUNT ]
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then
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echo "$METRIC - expected >= count: $EXPECT_COUNT, actual count: $GOT_COUNT" 1>&2
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return 1
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fi
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}
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function get_healthy_service_count {
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local SERVICE_NAME=$1
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local DC=$2
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local NS=$3
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run retry_default curl -s -f ${HEADERS} "127.0.0.1:8500/v1/health/connect/${SERVICE_NAME}?dc=${DC}&passing&ns=${NS}"
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[ "$status" -eq 0 ]
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echo "$output" | jq --raw-output '. | length'
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}
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function assert_service_has_healthy_instances_once {
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local SERVICE_NAME=$1
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local EXPECT_COUNT=$2
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local DC=${3:-primary}
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local NS=$4
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GOT_COUNT=$(get_healthy_service_count "$SERVICE_NAME" "$DC" "$NS")
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[ "$GOT_COUNT" -eq $EXPECT_COUNT ]
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}
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function assert_service_has_healthy_instances {
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local SERVICE_NAME=$1
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local EXPECT_COUNT=$2
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local DC=${3:-primary}
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local NS=$4
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run retry_long assert_service_has_healthy_instances_once "$SERVICE_NAME" "$EXPECT_COUNT" "$DC" "$NS"
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[ "$status" -eq 0 ]
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}
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function docker_consul {
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local DC=$1
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shift 1
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docker run -i --rm --network container:envoy_consul-${DC}_1 consul-dev "$@"
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}
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function docker_wget {
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local DC=$1
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shift 1
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docker run -ti --rm --network container:envoy_consul-${DC}_1 alpine:3.9 wget "$@"
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}
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function docker_curl {
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local DC=$1
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shift 1
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docker run -ti --rm --network container:envoy_consul-${DC}_1 --entrypoint curl consul-dev "$@"
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}
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function docker_exec {
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if ! docker exec -i "$@"
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then
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echo "Failed to execute: docker exec -i $@" 1>&2
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return 1
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fi
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}
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function docker_consul_exec {
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local DC=$1
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shift 1
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docker_exec envoy_consul-${DC}_1 "$@"
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}
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function get_envoy_pid {
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local BOOTSTRAP_NAME=$1
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local DC=${2:-primary}
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run ps aux
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[ "$status" == 0 ]
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echo "$output" 1>&2
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PID="$(echo "$output" | grep "envoy -c /workdir/$DC/envoy/${BOOTSTRAP_NAME}-bootstrap.json" | awk '{print $1}')"
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[ -n "$PID" ]
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echo "$PID"
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}
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function kill_envoy {
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local BOOTSTRAP_NAME=$1
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local DC=${2:-primary}
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PID="$(get_envoy_pid $BOOTSTRAP_NAME "$DC")"
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echo "PID = $PID"
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kill -TERM $PID
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}
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function must_match_in_statsd_logs {
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local DC=${2:-primary}
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run cat /workdir/${DC}/statsd/statsd.log
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echo "$output"
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COUNT=$( echo "$output" | grep -Ec $1 )
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echo "COUNT of '$1' matches: $COUNT"
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[ "$status" == 0 ]
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[ "$COUNT" -gt "0" ]
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}
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function must_match_in_prometheus_response {
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run curl -f -s $1/metrics
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COUNT=$( echo "$output" | grep -Ec $2 )
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echo "OUTPUT head -n 10"
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echo "$output" | head -n 10
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echo "COUNT of '$2' matches: $COUNT"
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[ "$status" == 0 ]
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[ "$COUNT" -gt "0" ]
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}
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# must_fail_tcp_connection checks that a request made through an upstream fails,
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# probably due to authz being denied if all other tests passed already. Although
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# we are using curl, this only works as expected for TCP upstreams as we are
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# checking TCP-level errors. HTTP upstreams will return a valid 503 generated by
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# Envoy rather than a connection-level error.
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function must_fail_tcp_connection {
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# Attempt to curl through upstream
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run curl -s -v -f -d hello $1
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echo "OUTPUT $output"
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# Should fail during handshake and return "got nothing" error
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[ "$status" == "52" ]
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# Verbose output should enclude empty reply
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echo "$output" | grep 'Empty reply from server'
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}
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# must_fail_http_connection see must_fail_tcp_connection but this expects Envoy
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# to generate a 503 response since the upstreams have refused connection.
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function must_fail_http_connection {
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# Attempt to curl through upstream
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run curl -s -i -d hello $1
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echo "OUTPUT $output"
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# Should fail request with 503
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echo "$output" | grep '503 Service Unavailable'
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}
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function gen_envoy_bootstrap {
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SERVICE=$1
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ADMIN_PORT=$2
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DC=${3:-primary}
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IS_MGW=${4:-0}
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EXTRA_ENVOY_BS_ARGS="${5-}"
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PROXY_ID="$SERVICE"
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if ! is_set "$IS_MGW"
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then
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PROXY_ID="$SERVICE-sidecar-proxy"
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fi
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if output=$(docker_consul "$DC" connect envoy -bootstrap \
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-proxy-id $PROXY_ID \
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-admin-bind 0.0.0.0:$ADMIN_PORT ${EXTRA_ENVOY_BS_ARGS} 2>&1); then
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# All OK, write config to file
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echo "$output" > workdir/${DC}/envoy/$SERVICE-bootstrap.json
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else
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status=$?
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# Command failed, instead of swallowing error (printed on stdout by docker
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# it seems) by writing it to file, echo it
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echo "$output"
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return $status
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fi
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}
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function read_config_entry {
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local KIND=$1
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local NAME=$2
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local DC=${3:-primary}
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docker_consul "$DC" config read -kind $KIND -name $NAME
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}
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function wait_for_config_entry {
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retry_default read_config_entry "$@" >/dev/null
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}
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function delete_config_entry {
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local KIND=$1
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local NAME=$2
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retry_default curl -sL -XDELETE "http://127.0.0.1:8500/v1/config/${KIND}/${NAME}"
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}
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function wait_for_agent_service_register {
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local SERVICE_ID=$1
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local DC=${2:-primary}
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retry_default docker_curl "$DC" -sLf "http://127.0.0.1:8500/v1/agent/service/${SERVICE_ID}" >/dev/null
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}
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function set_ttl_check_state {
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local CHECK_ID=$1
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local CHECK_STATE=$2
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local DC=${3:-primary}
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case "$CHECK_STATE" in
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pass)
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;;
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warn)
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;;
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fail)
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;;
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*)
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echo "invalid ttl check state '${CHECK_STATE}'" >&2
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return 1
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esac
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retry_default docker_curl "${DC}" -sL -XPUT "http://localhost:8500/v1/agent/check/warn/${CHECK_ID}"
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}
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function get_upstream_fortio_name {
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run retry_default curl -v -s -f localhost:5000/debug?env=dump
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[ "$status" == 0 ]
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echo "$output" | grep -E "^FORTIO_NAME="
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}
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function assert_expected_fortio_name {
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local EXPECT_NAME=$1
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GOT=$(get_upstream_fortio_name)
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if [ "$GOT" != "FORTIO_NAME=${EXPECT_NAME}" ]; then
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echo "expected name: $EXPECT_NAME, actual name: $GOT" 1>&2
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return 1
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fi
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}
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