ci: better interaction with scaleway build server

scripts/build/run_build_macos_arm64.sh

@@ -5,36 +5,61 @@
 # This script is designed to run on a local machine: it will clone the repos
 # remotely and execute the `build_macos_arm64.sh` script remotely, then will
 # download the built packages. A tag to build must be specified.
-#
-# In order to run the script, the `m1` host must be specified in
-# `~/.ssh/config`; for instance:
-#
-#   Host m1
-#     User m1
-#     HostName 1.2.3.4
+
+# The script requires a Scaleway secret key in the SCW_SECRET_KEY env var:
+# It will use scaleway_m1.sh to provision a server and use it.
 
 set -euo pipefail
 # set -x
 
+function log {
+    echo "$@" >&2
+}
+function error {
+    # Print an error message and exit.
+    log "ERROR: $@"
+    exit 1
+}
+
 tag=${1:-}
 
 if [[ ! "${tag}" ]]; then
-    echo "Usage: $0 TAG" >&2
-    exit 2
+    error "Usage: $0 REF"
 fi
 
-rdir=psycobuild
+dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 
-# Clone the repos
-ssh m1 rm -rf "${rdir}"
-ssh m1 git clone https://github.com/psycopg/psycopg2.git --branch ${tag} "${rdir}"
+server=$("${dir}/scaleway_m1.sh" ensure)
 
-# Allow sudoing without password, to allow brew to install
-ssh -t m1 bash -c \
-    'test -f /etc/sudoers.d/m1 || echo "m1 ALL=(ALL) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/m1'
+status=$(echo "$server" | jq -r .status)
+if [[ "$status" != "ready" ]]; then
+    error "server status is $status"
+fi
+
+# Get user, password, ip from vnc url
+tmp=$(echo "$server" | jq -r .vnc_url)  # vnc://m1:[email protected]:5900
+tmp=${tmp/vnc:\/\//}  # m1:[email protected]:5900
+user=${tmp%%:*}  # m1
+tmp=${tmp#*:}  # [email protected]:5900
+password=${tmp%%@*}  # PASS
+tmp=${tmp#*@}  # 1.2.3.4:5900
+host=${tmp%%:*}  # 1.2.3.4
+
+ssh="ssh ${user}@${host} -o StrictHostKeyChecking=no"
+
+# Allow the user to sudo without asking for password.
+echo "$password" | \
+    $ssh sh -c "test -f /etc/sudoers.d/${user} \
+    || sudo -S --prompt= sh -c \
+        'echo \"${user} ALL=(ALL) NOPASSWD:ALL\" > /etc/sudoers.d/${user}'"
+
+# Clone the repos
+rdir=psycobuild
+$ssh rm -rf "${rdir}"
+$ssh git clone https://github.com/psycopg/psycopg2.git --branch ${tag} "${rdir}"
 
 # Build the wheel packages
-ssh m1 "${rdir}/scripts/build/build_macos_arm64.sh"
+$ssh "${rdir}/scripts/build/build_macos_arm64.sh"
 
 # Transfer the packages locally
-scp -r "m1:${rdir}/wheelhouse" .
+scp -r "${user}@${host}:${rdir}/wheelhouse" .

scripts/build/scaleway_m1.sh

@@ -0,0 +1,119 @@
+#!/bin/bash
+
+# Implement the following commands:
+#
+# ensure:
+#
+#   Get data about currently provisioned M1 server on Scaleway. If needed,
+#   provision one.
+#
+#   The script requires the SCW_SECRET_KEY env var set to a valid secret.
+#
+#   If successful, return the response data on stdout. It may look like:
+#
+#    {
+#      "id": "8b196119-3cea-4a9d-b916-265037a85e60",
+#      "type": "M1-M",
+#      "name": "mac-m1-psycopg",
+#      "project_id": "4cf7a85e-f21e-40d4-b758-21d1f4ad3dfb",
+#      "organization_id": "4cf7a85e-f21e-40d4-b758-21d1f4ad3dfb",
+#      "ip": "1.2.3.4",
+#      "vnc_url": "vnc://m1:[email protected]:5900",
+#      "status": "starting",
+#      "created_at": "2023-09-22T18:00:18.754646Z",
+#      "updated_at": "2023-09-22T18:00:18.754646Z",
+#      "deletable_at": "2023-09-23T18:00:18.754646Z",
+#      "zone": "fr-par-3"
+#    }
+#
+# delete:
+#
+#   Delete one provisioned server, if available.
+# 
+# See https://www.scaleway.com/en/developers/api/apple-silicon/ for api docs.
+
+set -euo pipefail
+# set -x
+
+project_id="4cf7a85e-f21e-40d4-b758-21d1f4ad3dfb"
+zone=fr-par-3
+servers_url="https://api.scaleway.com/apple-silicon/v1alpha1/zones/${zone}/servers"
+
+function log {
+    echo "$@" >&2
+}
+function error {
+    log "ERROR: $@"
+    exit 1
+}
+
+function req {
+    method=$1
+    shift
+    curl -sSL --fail-with-body -X $method \
+        -H "Content-Type: application/json" \
+        -H "X-Auth-Token: ${SCW_SECRET_KEY}" \
+        "$@"
+}
+function get {
+    req GET "$@"
+}
+function post {
+    req POST "$@"
+}
+function delete {
+    req DELETE "$@"
+}
+
+function server_id {
+    # Return the id of the first server available, else the empty string
+    servers=$(get $servers_url || error "failed to request servers list")
+    server_ids=$(echo "$servers" | jq -r ".servers[].id")
+    for id in $server_ids; do
+        echo $id
+        break
+    done
+}
+
+function maybe_jq {
+    # Process the output via jq if displaying on console, otherwise leave
+    # it unprocessed.
+    if [ -t 1 ]; then
+        jq .
+    else
+        cat
+    fi
+}
+
+cmd=${1:-list}
+case $cmd in
+    ensure)
+        id=$(server_id)
+        if [[ "$id" ]]; then
+            log "You have servers."
+            get "$servers_url/$id" | maybe_jq
+        else
+            log "Creating new server."
+            post $servers_url -d "
+            {
+                \"name\": \"mac-m1-psycopg\",
+                \"project_id\": \"$project_id\",
+                \"type\": \"M1-M\"
+            }" | maybe_jq
+        fi
+        ;;
+    delete)
+        id=$(server_id)
+        if [[ "$id" ]]; then
+            log "Deleting server $id."
+            delete "$servers_url/$id" | maybe_jq
+        else
+            log "No server found."
+        fi
+        ;;
+    list)
+        get $servers_url | maybe_jq
+        ;;
+    *)
+        error "Usage: $(basename $0) [list|ensure|delete]"
+esac