all source env_resets point at contract migration health endpoint

apps/cic-eth/docker/entrypoints/get_readyz.sh

@@ -0,0 +1,10 @@
+#! /bin/bash
+
+set -e
+set -u
+
+echo "fetching migration variables from $CONTRACT_MIGRATION_URL"
+for s in $(curl -s "$CONTRACT_MIGRATION_URL/readyz" | jq -r "to_entries|map(\"\(.key)=\(.value|tostring)\")|.[]" ); do
+    echo "exporting $s"
+    export $s
+done

apps/cic-eth/docker/entrypoints/start_dispatcher.sh

@@ -1,5 +1,17 @@
 #!/bin/bash
 
+set -e
+set -u
+
 . ./db.sh
 
-/usr/local/bin/cic-eth-dispatcherd $@
+WAIT_FOR_TIMEOUT=${WAIT_FOR_TIMEOUT:-600}
+
+if [[ "$CONTRACT_MIGRATION_URL" ]]; then
+  echo "waiting for $CONTRACT_MIGRATION_URL/readyz"
+  ./wait-for-it.sh $CONTRACT_MIGRATION_URL  -t $WAIT_FOR_TIMEOUT 
+  source ./get_readyz.sh # set env vars form endpoint
+  /usr/local/bin/cic-eth-dispatcherd $@
+else
+  /usr/local/bin/cic-eth-dispatcherd $@
+fi

apps/cic-eth/docker/entrypoints/start_retry.sh

@@ -1,5 +1,18 @@
 #!/bin/bash
 
+set -e
+set -u
+
 . ./db.sh
 
-/usr/local/bin/cic-eth-retrierd $@
+WAIT_FOR_TIMEOUT=${WAIT_FOR_TIMEOUT:-600}
+
+
+if [[ "$CONTRACT_MIGRATION_URL" ]]; then
+  echo "waiting for $CONTRACT_MIGRATION_URL/readyz"
+  ./wait-for-it.sh $CONTRACT_MIGRATION_URL  -t $WAIT_FOR_TIMEOUT 
+  source ./get_readyz.sh # set env vars form endpoint
+  /usr/local/bin/cic-eth-retrierd $@
+else
+  /usr/local/bin/cic-eth-retrierd $@
+fi

apps/cic-eth/docker/entrypoints/start_tasker.sh

@@ -1,31 +1,18 @@
 #!/bin/bash
 
 set -e
+set -u
+
 . ./db.sh
 
-# set CONFINI_ENV_PREFIX to override the env prefix to override env vars
+WAIT_FOR_TIMEOUT=${WAIT_FOR_TIMEOUT:-600}
 
-#echo "!!! starting signer"
-#python /usr/local/bin/crypto-dev-daemon -c /usr/local/etc/crypto-dev-signer -vv 2> /tmp/signer.log &
 
-echo "!!! starting taskerd"
-/usr/local/bin/cic-eth-taskerd $@
-
-# thanks! https://docs.docker.com/config/containers/multi-service_container/
-#sleep 1;
-#echo "!!! entering monitor loop"
-#while true; do
-#  ps aux | grep crypto-dev-daemon | grep -q -v grep
-#  PROCESS_1_STATUS=$?
-#  ps aux | grep cic-eth-tasker |grep -q -v grep
-#  PROCESS_2_STATUS=$?
-#  # If the greps above find anything, they exit with 0 status
-#  # If they are not both 0, then something is wrong
-#  if [ $PROCESS_1_STATUS -ne 0 -o $PROCESS_2_STATUS -ne 0 ]; then
-#    echo "One of the processes has already exited."
-#    exit 1
-#  fi
-#  sleep 15;
-#done
-#
-set +e
+if [[ "$CONTRACT_MIGRATION_URL" ]]; then
+  echo "waiting for $CONTRACT_MIGRATION_URL/readyz"
+  ./wait-for-it.sh $CONTRACT_MIGRATION_URL  -t $WAIT_FOR_TIMEOUT 
+  source ./get_readyz.sh # set env vars form endpoint
+  /usr/local/bin/cic-eth-taskerd $@
+else
+  /usr/local/bin/cic-eth-taskerd $@
+fi

apps/cic-eth/docker/entrypoints/wait-for-it.sh

@@ -0,0 +1,182 @@
+#!/usr/bin/env bash
+# Use this script to test if a given TCP host/port are available
+
+WAITFORIT_cmdname=${0##*/}
+
+echoerr() { if [[ $WAITFORIT_QUIET -ne 1 ]]; then echo "$@" 1>&2; fi }
+
+usage()
+{
+    cat << USAGE >&2
+Usage:
+    $WAITFORIT_cmdname host:port [-s] [-t timeout] [-- command args]
+    -h HOST | --host=HOST       Host or IP under test
+    -p PORT | --port=PORT       TCP port under test
+                                Alternatively, you specify the host and port as host:port
+    -s | --strict               Only execute subcommand if the test succeeds
+    -q | --quiet                Don't output any status messages
+    -t TIMEOUT | --timeout=TIMEOUT
+                                Timeout in seconds, zero for no timeout
+    -- COMMAND ARGS             Execute command with args after the test finishes
+USAGE
+    exit 1
+}
+
+wait_for()
+{
+    if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then
+        echoerr "$WAITFORIT_cmdname: waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT"
+    else
+        echoerr "$WAITFORIT_cmdname: waiting for $WAITFORIT_HOST:$WAITFORIT_PORT without a timeout"
+    fi
+    WAITFORIT_start_ts=$(date +%s)
+    while :
+    do
+        if [[ $WAITFORIT_ISBUSY -eq 1 ]]; then
+            nc -z $WAITFORIT_HOST $WAITFORIT_PORT
+            WAITFORIT_result=$?
+        else
+            (echo -n > /dev/tcp/$WAITFORIT_HOST/$WAITFORIT_PORT) >/dev/null 2>&1
+            WAITFORIT_result=$?
+        fi
+        if [[ $WAITFORIT_result -eq 0 ]]; then
+            WAITFORIT_end_ts=$(date +%s)
+            echoerr "$WAITFORIT_cmdname: $WAITFORIT_HOST:$WAITFORIT_PORT is available after $((WAITFORIT_end_ts - WAITFORIT_start_ts)) seconds"
+            break
+        fi
+        sleep 1
+    done
+    return $WAITFORIT_result
+}
+
+wait_for_wrapper()
+{
+    # In order to support SIGINT during timeout: http://unix.stackexchange.com/a/57692
+    if [[ $WAITFORIT_QUIET -eq 1 ]]; then
+        timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --quiet --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT &
+    else
+        timeout $WAITFORIT_BUSYTIMEFLAG $WAITFORIT_TIMEOUT $0 --child --host=$WAITFORIT_HOST --port=$WAITFORIT_PORT --timeout=$WAITFORIT_TIMEOUT &
+    fi
+    WAITFORIT_PID=$!
+    trap "kill -INT -$WAITFORIT_PID" INT
+    wait $WAITFORIT_PID
+    WAITFORIT_RESULT=$?
+    if [[ $WAITFORIT_RESULT -ne 0 ]]; then
+        echoerr "$WAITFORIT_cmdname: timeout occurred after waiting $WAITFORIT_TIMEOUT seconds for $WAITFORIT_HOST:$WAITFORIT_PORT"
+    fi
+    return $WAITFORIT_RESULT
+}
+
+# process arguments
+while [[ $# -gt 0 ]]
+do
+    case "$1" in
+        *:* )
+        WAITFORIT_hostport=(${1//:/ })
+        WAITFORIT_HOST=${WAITFORIT_hostport[0]}
+        WAITFORIT_PORT=${WAITFORIT_hostport[1]}
+        shift 1
+        ;;
+        --child)
+        WAITFORIT_CHILD=1
+        shift 1
+        ;;
+        -q | --quiet)
+        WAITFORIT_QUIET=1
+        shift 1
+        ;;
+        -s | --strict)
+        WAITFORIT_STRICT=1
+        shift 1
+        ;;
+        -h)
+        WAITFORIT_HOST="$2"
+        if [[ $WAITFORIT_HOST == "" ]]; then break; fi
+        shift 2
+        ;;
+        --host=*)
+        WAITFORIT_HOST="${1#*=}"
+        shift 1
+        ;;
+        -p)
+        WAITFORIT_PORT="$2"
+        if [[ $WAITFORIT_PORT == "" ]]; then break; fi
+        shift 2
+        ;;
+        --port=*)
+        WAITFORIT_PORT="${1#*=}"
+        shift 1
+        ;;
+        -t)
+        WAITFORIT_TIMEOUT="$2"
+        if [[ $WAITFORIT_TIMEOUT == "" ]]; then break; fi
+        shift 2
+        ;;
+        --timeout=*)
+        WAITFORIT_TIMEOUT="${1#*=}"
+        shift 1
+        ;;
+        --)
+        shift
+        WAITFORIT_CLI=("$@")
+        break
+        ;;
+        --help)
+        usage
+        ;;
+        *)
+        echoerr "Unknown argument: $1"
+        usage
+        ;;
+    esac
+done
+
+if [[ "$WAITFORIT_HOST" == "" || "$WAITFORIT_PORT" == "" ]]; then
+    echoerr "Error: you need to provide a host and port to test."
+    usage
+fi
+
+WAITFORIT_TIMEOUT=${WAITFORIT_TIMEOUT:-15}
+WAITFORIT_STRICT=${WAITFORIT_STRICT:-0}
+WAITFORIT_CHILD=${WAITFORIT_CHILD:-0}
+WAITFORIT_QUIET=${WAITFORIT_QUIET:-0}
+
+# Check to see if timeout is from busybox?
+WAITFORIT_TIMEOUT_PATH=$(type -p timeout)
+WAITFORIT_TIMEOUT_PATH=$(realpath $WAITFORIT_TIMEOUT_PATH 2>/dev/null || readlink -f $WAITFORIT_TIMEOUT_PATH)
+
+WAITFORIT_BUSYTIMEFLAG=""
+if [[ $WAITFORIT_TIMEOUT_PATH =~ "busybox" ]]; then
+    WAITFORIT_ISBUSY=1
+    # Check if busybox timeout uses -t flag
+    # (recent Alpine versions don't support -t anymore)
+    if timeout &>/dev/stdout | grep -q -e '-t '; then
+        WAITFORIT_BUSYTIMEFLAG="-t"
+    fi
+else
+    WAITFORIT_ISBUSY=0
+fi
+
+if [[ $WAITFORIT_CHILD -gt 0 ]]; then
+    wait_for
+    WAITFORIT_RESULT=$?
+    exit $WAITFORIT_RESULT
+else
+    if [[ $WAITFORIT_TIMEOUT -gt 0 ]]; then
+        wait_for_wrapper
+        WAITFORIT_RESULT=$?
+    else
+        wait_for
+        WAITFORIT_RESULT=$?
+    fi
+fi
+
+if [[ $WAITFORIT_CLI != "" ]]; then
+    if [[ $WAITFORIT_RESULT -ne 0 && $WAITFORIT_STRICT -eq 1 ]]; then
+        echoerr "$WAITFORIT_cmdname: strict mode, refusing to execute subprocess"
+        exit $WAITFORIT_RESULT
+    fi
+    exec "${WAITFORIT_CLI[@]}"
+else
+    exit $WAITFORIT_RESULT
+fi