Move Docker scripts (#138)

Just reorganizing

docker/scripts/build_docker.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+set -e
+
+cd "$(cd "$(dirname "$0")" && git rev-parse --show-toplevel)"
+
+dockerfile="$1"
+if [ -z "$dockerfile" ]; then
+    dockerfile="./docker/test-parachain-collator.dockerfile"
+else
+    shift 1
+fi
+image_name="$(basename "$dockerfile" | rev | cut -d. -f2- | rev)"
+
+echo "building $dockerfile as $image_name..."
+
+time docker build \
+    -f "$dockerfile" \
+    -t "$image_name":latest \
+    "$@" \
+    .

docker/scripts/build_polkadot.sh

@@ -0,0 +1,23 @@
+#!/usr/bin/env bash
+
+set -e
+
+cumulus_repo=$(cd "$(dirname "$0")" && git rev-parse --show-toplevel)
+polkadot_repo=$(dirname "$cumulus_repo")/polkadot
+if [ ! -d "$polkadot_repo/.git" ]; then
+    echo "please clone polkadot in parallel to this repo:"
+    echo "  (cd .. && git clone git@github.com:paritytech/polkadot.git)"
+    exit 1
+fi
+
+if [ -z "$BRANCH" ]; then
+    BRANCH=cumulus-branch
+fi
+
+cd "$polkadot_repo"
+git fetch
+git checkout "$BRANCH"
+time docker build \
+    -f ./docker/Dockerfile \
+    --build-arg PROFILE=release \
+    -t polkadot:"$BRANCH" .

docker/scripts/dc.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+# helper function to run docker-compose using the docker/docker-compose.yml file while
+# retaining a context from the root of the repository
+
+set -e
+
+dc () {
+    cd "$(cd "$(dirname "$0")" && git rev-parse --show-toplevel)"
+    docker-compose -f - "$@" < docker/docker-compose.yml
+}

docker/scripts/healthcheck.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+set -e
+
+head () {
+    polkadot-js-api --ws ws://172.28.1.1:9944 query.parachains.heads 100 |\
+        jq -r .heads
+}
+
+start=$(head)
+sleep 60
+end=$(head)
+
+[ "$start" != "$end" ]

docker/scripts/inject_bootnodes.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+
+# this script runs the cumulus-test-parachain-collator after fetching
+# appropriate bootnode IDs
+#
+# this is _not_ a general-purpose script; it is closely tied to the
+# root docker-compose.yml
+
+set -e -o pipefail
+
+ctpc="/usr/bin/cumulus-test-parachain-collator"
+
+if [ ! -x "$ctpc" ]; then
+    echo "FATAL: $ctpc does not exist or is not executable"
+    exit 1
+fi
+
+# name the variable with the incoming args so it isn't overwritten later by function calls
+args=( "$@" )
+
+alice="172.28.1.1"
+bob="172.28.1.2"
+p2p_port="30333"
+rpc_port="9933"
+
+
+get_id () {
+    node="$1"
+    /wait-for-it.sh "$node:$rpc_port" -t 10 -s -- \
+        curl -sS \
+            -H 'Content-Type: application/json' \
+            --data '{"id":1,"jsonrpc":"2.0","method":"system_networkState"}' \
+            "$node:$rpc_port" |\
+    jq -r '.result.peerId'
+}
+
+bootnode () {
+    node="$1"
+    id=$(get_id "$node")
+    if [ -z "$id" ]; then
+        echo >&2 "failed to get id for $node"
+        exit 1
+    fi
+    echo "/ip4/$node/tcp/$p2p_port/p2p/$id"
+}
+
+args+=( "--" "--bootnodes=$(bootnode "$alice")" "--bootnodes=$(bootnode "$bob")" )
+
+set -x
+"$ctpc" "${args[@]}"

docker/scripts/register_para.sh

@@ -0,0 +1,58 @@
+#!/usr/bin/env bash
+
+set -e -o pipefail
+
+sizeof () {
+    stat --printf="%s" "$1"
+}
+
+wait_for_file () {
+    # Wait for a file to have a stable, non-zero size.
+    # Takes at least 0.2 seconds per run, but there's no upper bound if the
+    # file grows continuously. If the file doesn't exist, or stably has 0 size,
+    # this will take up to 10 seconds by default; this limit can be adjusted by
+    # the second input parameter.
+    path="$1"
+    limit="$2"
+    if [ -z "$limit" ]; then
+        limit=10
+    fi
+    count=0
+    while [ "$count" -lt "$limit" ]; do
+        if [ -s "$path" ]; then
+            echo "$path found after $count seconds"
+            # now ensure that the file size is stable: it's not still being written
+            oldsize=0
+            size="$(sizeof "$path")"
+            while [ "$oldsize" -ne "$size" ]; do
+                sleep 0.2
+                oldsize="$size"
+                size="$(sizeof "$path")"
+            done
+            return
+        fi
+        count=$((count+1))
+        sleep 1
+    done
+    echo "$path not found after $count seconds"
+    exit 1
+}
+
+wait_for_file /runtime/cumulus_test_parachain_runtime.compact.wasm
+wait_for_file /genesis/genesis-state
+
+# this is now straightforward: just send the sudo'd tx to the alice node,
+# as soon as the node is ready to receive connections
+/wait-for-it.sh 172.28.1.1:9944 \
+    --strict \
+    --timeout=10 \
+    -- \
+    polkadot-js-api \
+        --ws ws://172.28.1.1:9944 \
+        --sudo \
+        --seed "//Alice" \
+        tx.registrar.registerPara \
+            100 \
+            '{"scheduling":"Always"}' \
+            @/runtime/cumulus_test_parachain_runtime.compact.wasm \
+            "$(cat /genesis/genesis-state)"

docker/scripts/run_collator.sh

@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+set -e
+
+cd "$(cd "$(dirname "$0")" && git rev-parse --show-toplevel)"
+# shellcheck source=dc.sh
+source docker/scripts/dc.sh
+
+dc build
+dc up -d

docker/scripts/stop_collator.sh

@@ -0,0 +1,9 @@
+#!/usr/bin/env bash
+
+set -e
+
+cd "$(cd "$(dirname "$0")" && git rev-parse --show-toplevel)"
+# shellcheck source=dc.sh
+source docker/scripts/dc.sh
+
+dc down --volumes --remove-orphans