Refactor release-jobs cmd based on use of environments (no docker either)

bin/rebuild-package.sh

@@ -29,6 +29,9 @@
 ### SPACK_SIGNING_KEY
 ###
 ### CDASH_BASE_URL
+### CDASH_PROJECT
+### CDASH_PROJECT_ENC
+### CDASH_BUILD_NAME
 ### ROOT_SPEC
 ### DEPENDENCIES
 ### MIRROR_URL
@@ -45,7 +48,7 @@ SPEC_DIR="${TEMP_DIR}/specs"
 LOCAL_MIRROR="${CI_PROJECT_DIR}/local_mirror"
 BUILD_CACHE_DIR="${LOCAL_MIRROR}/build_cache"
 SPACK_BIN_DIR="${CI_PROJECT_DIR}/bin"
-CDASH_UPLOAD_URL="${CDASH_BASE_URL}/submit.php?project=Spack"
+CDASH_UPLOAD_URL="${CDASH_BASE_URL}/submit.php?project=${CDASH_PROJECT_ENC}"
 DEP_JOB_RELATEBUILDS_URL="${CDASH_BASE_URL}/api/v1/relateBuilds.php"
 declare -a JOB_DEPS_PKG_NAMES
 
@@ -163,8 +166,9 @@ gen_full_specs_for_job_and_deps() {
     local pkgVersion="${PARTSARRAY[1]}"
     local compiler="${PARTSARRAY[2]}"
     local osarch="${PARTSARRAY[3]}"
+    local buildGroup="${PARTSARRAY[@]:4}" # get everything after osarch
 
-    JOB_SPEC_NAME="${pkgName}@${pkgVersion}%${compiler} arch=${osarch}"
+    JOB_GROUP="${buildGroup}"
     JOB_PKG_NAME="${pkgName}"
     SPEC_YAML_PATH="${SPEC_DIR}/${pkgName}.yaml"
     local root_spec_name="${ROOT_SPEC}"
@@ -185,7 +189,7 @@ begin_logging
 
 gen_full_specs_for_job_and_deps
 
-echo "Building package ${JOB_SPEC_NAME}, ${HASH}, ${MIRROR_URL}"
+echo "Building package ${CDASH_BUILD_NAME}, ${HASH}, ${MIRROR_URL}"
 
 # Finally, list the compilers spack knows about
 echo "Compiler Configurations:"
@@ -200,7 +204,7 @@ mkdir -p "${BUILD_CACHE_DIR}"
 # to fail.
 JOB_BUILD_CACHE_ENTRY_NAME=`spack -d buildcache get-buildcache-name --spec-yaml "${SPEC_YAML_PATH}"`
 if [[ $? -ne 0 ]]; then
-    echo "ERROR, unable to get buildcache entry name for job ${CI_JOB_NAME} (spec: ${JOB_SPEC_NAME})"
+    echo "ERROR, unable to get buildcache entry name for job ${CI_JOB_NAME} (spec: ${CDASH_BUILD_NAME})"
     exit 1
 fi
 
@@ -233,9 +237,17 @@ if [[ $? -ne 0 ]]; then
 
     # Install package, using the buildcache from the local mirror to
     # satisfy dependencies.
-    BUILD_ID_LINE=`spack -d -k -v install --use-cache --cdash-upload-url "${CDASH_UPLOAD_URL}" --cdash-build "${JOB_SPEC_NAME}" --cdash-site "Spack AWS Gitlab Instance" --cdash-track "Experimental" -f "${SPEC_YAML_PATH}" | grep "buildSummary\\.php"`
+    BUILD_ID_LINE=`spack -d -k -v install --use-cache --keep-stage --cdash-upload-url "${CDASH_UPLOAD_URL}" --cdash-build "${CDASH_BUILD_NAME}" --cdash-site "Spack AWS Gitlab Instance" --cdash-track "${JOB_GROUP}" -f "${SPEC_YAML_PATH}" | grep "buildSummary\\.php"`
     check_error $? "spack install"
 
+    # Copy some log files into an artifact location, once we have a way
+    # to provide a spec.yaml file to more spack commands (e.g. "location")
+    # stage_dir=$(spack location --stage-dir -f "${SPEC_YAML_PATH}")
+    # build_log_file=$(find -L "${stage_dir}" | grep "spack-build\\.out")
+    # config_log_file=$(find -L "${stage_dir}" | grep "config\\.log")
+    # cp "${build_log_file}" "${JOB_LOG_DIR}/"
+    # cp "${config_log_file}" "${JOB_LOG_DIR}/"
+
     # By parsing the output of the "spack install" command, we can get the
     # buildid generated for us by CDash
     JOB_CDASH_ID=$(extract_build_id "${BUILD_ID_LINE}")
@@ -254,7 +266,7 @@ if [[ $? -ne 0 ]]; then
     spack -d upload-s3 spec --base-dir "${LOCAL_MIRROR}" --spec-yaml "${SPEC_YAML_PATH}"
     check_error $? "spack upload-s3 spec"
 else
-    echo "spec ${JOB_SPEC_NAME} is already up to date on remote mirror, downloading it"
+    echo "spec ${CDASH_BUILD_NAME} is already up to date on remote mirror, downloading it"
 
     # Configure remote mirror so we can download buildcache entry
     spack mirror add remote_binary_mirror ${MIRROR_URL}
@@ -287,8 +299,8 @@ if [ -f "${JOB_CDASH_ID_FILE}" ]; then
             if [ -f "${DEP_JOB_ID_FILE}" ]; then
                 DEP_JOB_CDASH_BUILD_ID=$(<${DEP_JOB_ID_FILE})
                 echo "File ${DEP_JOB_ID_FILE} contained value ${DEP_JOB_CDASH_BUILD_ID}"
-                echo "Relating builds -> ${JOB_SPEC_NAME} (buildid=${JOB_CDASH_BUILD_ID}) depends on ${DEP_PKG_NAME} (buildid=${DEP_JOB_CDASH_BUILD_ID})"
+                echo "Relating builds -> ${CDASH_BUILD_NAME} (buildid=${JOB_CDASH_BUILD_ID}) depends on ${DEP_PKG_NAME} (buildid=${DEP_JOB_CDASH_BUILD_ID})"
-                relateBuildsPostBody="$(get_relate_builds_post_data "Spack" ${JOB_CDASH_BUILD_ID} ${DEP_JOB_CDASH_BUILD_ID})"
+                relateBuildsPostBody="$(get_relate_builds_post_data "${CDASH_PROJECT}" ${JOB_CDASH_BUILD_ID} ${DEP_JOB_CDASH_BUILD_ID})"
                 relateBuildsResult=`curl "${DEP_JOB_RELATEBUILDS_URL}" -H "Content-Type: application/json" -H "Accept: application/json" -d "${relateBuildsPostBody}"`
                 echo "Result of curl request: ${relateBuildsResult}"
             else

lib/spack/spack/cmd/release_jobs.py

@@ -3,26 +3,20 @@
 #
 # SPDX-License-Identifier: (Apache-2.0 OR MIT)
 
-import argparse
 import json
-import os
+import sys
-import shutil
-import tempfile
 
-import subprocess
 from jsonschema import validate, ValidationError
 from six import iteritems
+from six.moves.urllib.request import build_opener, HTTPHandler, Request
+from six.moves.urllib.parse import urlencode
 
 import llnl.util.tty as tty
 
-from spack.architecture import sys_type
+import spack.environment as ev
 from spack.dependency import all_deptypes
-from spack.spec import Spec, CompilerSpec
+from spack.spec import Spec
-from spack.paths import spack_root
-from spack.error import SpackError
-from spack.schema.os_container_mapping import schema as mapping_schema
 from spack.schema.specs_deps import schema as specs_deps_schema
-from spack.spec_set import CombinatorialSpecSet
 import spack.util.spack_yaml as syaml
 
 description = "generate release build set as .gitlab-ci.yml"
@@ -32,57 +26,101 @@
 
 def setup_parser(subparser):
     subparser.add_argument(
-        '-s', '--spec-set', default=None,
+        '-f', '--force', action='store_true', default=False,
-        help="path to release spec-set yaml file")
+        help="Force re-concretization of environment first")
-
-    subparser.add_argument(
-        '-m', '--mirror-url', default=None,
-        help="url of binary mirror where builds should be pushed")
 
     subparser.add_argument(
         '-o', '--output-file', default=".gitlab-ci.yml",
         help="path to output file to write")
 
-    subparser.add_argument(
-        '-t', '--shared-runner-tag', default=None,
-        help="tag to add to jobs for shared runner selection")
-
     subparser.add_argument(
         '-k', '--signing-key', default=None,
         help="hash of gpg key to use for package signing")
 
-    subparser.add_argument(
-        '-c', '--cdash-url', default='https://cdash.spack.io',
-        help="Base url of CDash instance jobs should communicate with")
-
     subparser.add_argument(
         '-p', '--print-summary', action='store_true', default=False,
         help="Print summary of staged jobs to standard output")
 
     subparser.add_argument(
-        '--resolve-deps-locally', action='store_true', default=False,
+        '-c', '--cdash-credentials', default=None,
-        help="Use only the current machine to concretize specs, " +
+        help="Path to file containing CDash authentication token")
-        "instead of iterating over items in os-container-mapping.yaml " +
-        "and using docker run.  Assumes the current machine architecure " +
-        "is listed in the os-container-mapping.yaml config file.")
-
-    subparser.add_argument(
-        '--specs-deps-output', default='/dev/stdout',
-        help="A file path to which spec deps should be written.  This " +
-             "argument is generally for internal use, and should not be " +
-             "provided by end-users under normal conditions.")
-
-    subparser.add_argument(
-        'specs', nargs=argparse.REMAINDER,
-        help="These positional arguments are generally for internal use.  " +
-             "The --spec-set argument should be used to identify a yaml " +
-             "file describing the set of release specs to include in the " +
-             ".gitlab-ci.yml file.")
 
 
-def get_job_name(spec, osarch):
+def _create_buildgroup(opener, headers, url, project, group_name, group_type):
-    return '{0} {1} {2} {3}'.format(spec.name, spec.version,
+    data = {
-                                    spec.compiler, osarch)
+        "newbuildgroup": group_name,
+        "project": project,
+        "type": group_type
+    }
+
+    request = Request(url, data=json.dumps(data), headers=headers)
+
+    response = opener.open(request)
+    response_code = response.getcode()
+
+    if response_code != 200 and response_code != 201:
+        print('Creating buildgroup failed (response code = {0}'.format(
+            response_code))
+        return None
+
+    response_text = response.read()
+    response_json = json.loads(response_text)
+    build_group_id = response_json['id']
+
+    return build_group_id
+
+
+def populate_buildgroup(job_names, group_name, project, site,
+                        credentials, cdash_url, exit_on_fail=False):
+    url = "{0}/api/v1/buildgroup.php".format(cdash_url)
+
+    headers = {
+        'Authorization': 'Bearer {0}'.format(credentials),
+        'Content-Type': 'application/json',
+    }
+
+    opener = build_opener(HTTPHandler)
+
+    parent_group_id = _create_buildgroup(
+        opener, headers, url, project, group_name, 'Daily')
+    group_id = _create_buildgroup(
+        opener, headers, url, project, 'Latest {0}'.format(group_name),
+        'Latest')
+
+    if not parent_group_id or not group_id:
+        print('Unable to create or retrieve the build groups')
+        sys.exit(1)
+
+    data = {
+        'project': project,
+        'buildgroupid': group_id,
+        'dynamiclist': [{
+            'match': name,
+            'parentgroupid': parent_group_id,
+            'site': site
+        } for name in job_names]
+    }
+
+    request = Request(url, data=json.dumps(data), headers=headers)
+    request.get_method = lambda: 'PUT'
+
+    response = opener.open(request)
+    response_code = response.getcode()
+
+    if response_code != 200 and exit_on_fail:
+        print('Unexpected response ({0}) when populating buildgroup'.format(
+            response_code))
+        sys.exit(1)
+
+
+def get_job_name(spec, osarch, build_group):
+    return '{0} {1} {2} {3} {4}'.format(
+        spec.name, spec.version, spec.compiler, osarch, build_group)
+
+
+def get_cdash_build_name(spec, build_group):
+    return '{0}@{1}%{2} arch={3} ({4})'.format(
+        spec.name, spec.version, spec.compiler, spec.architecture, build_group)
 
 
 def get_spec_string(spec):
@@ -109,83 +147,7 @@ def _add_dependency(spec_label, dep_label, deps):
     deps[spec_label].add(dep_label)
 
 
-def get_deps_using_container(specs, image):
+def get_spec_dependencies(specs, deps, spec_labels):
-    image_home_dir = '/home/spackuser'
-    repo_mount_location = '{0}/spack'.format(image_home_dir)
-    temp_dir = tempfile.mkdtemp(dir='/tmp')
-
-    # The paths this module will see (from outside the container)
-    temp_file = os.path.join(temp_dir, 'spec_deps.json')
-    temp_err = os.path.join(temp_dir, 'std_err.log')
-
-    # The paths the bash_command will see inside the container
-    json_output = '/work/spec_deps.json'
-    std_error = '/work/std_err.log'
-
-    specs_arg = ' '.join([str(spec) for spec in specs])
-
-    bash_command = " ".join(["source {0}/share/spack/setup-env.sh ;",
-                             "spack release-jobs",
-                             "--specs-deps-output {1}",
-                             "{2}",
-                             "2> {3}"]).format(
-        repo_mount_location, json_output, specs_arg, std_error)
-
-    docker_cmd_to_run = [
-        'docker', 'run', '--rm',
-        '-v', '{0}:{1}'.format(spack_root, repo_mount_location),
-        '-v', '{0}:{1}'.format(temp_dir, '/work'),
-        '--entrypoint', 'bash',
-        '-t', str(image),
-        '-c',
-        bash_command,
-    ]
-
-    tty.debug('Running subprocess command:')
-    tty.debug(' '.join(docker_cmd_to_run))
-
-    # Docker is going to merge the stdout/stderr from the script and write it
-    # all to the stdout of the running container.  For this reason, we won't
-    # pipe any stdout/stderr from the docker command, but rather write the
-    # output we care about to a file in a mounted directory.  Similarly, any
-    # errors from running the spack command inside the container are redirected
-    # to another file in the mounted directory.
-    proc = subprocess.Popen(docker_cmd_to_run)
-    proc.wait()
-
-    # Check for errors from spack command
-    if os.path.exists(temp_err) and os.path.getsize(temp_err) > 0:
-        # Spack wrote something to stderr inside the container.  We will
-        # print out whatever it is, but attempt to carry on with the process.
-        tty.error('Encountered spack error running command in container:')
-        with open(temp_err, 'r') as err:
-            tty.error(err.read())
-
-    spec_deps_obj = {}
-
-    try:
-        # Finally, try to read/parse the output we really care about: the
-        # specs and dependency edges for the provided spec, as it was
-        # concretized in the appropriate container.
-        with open(temp_file, 'r') as fd:
-            spec_deps_obj = json.loads(fd.read())
-
-    except ValueError as val_err:
-        tty.error('Failed to read json object from spec-deps output file:')
-        tty.error(str(val_err))
-    except IOError as io_err:
-        tty.error('Problem reading from spec-deps json output file:')
-        tty.error(str(io_err))
-    finally:
-        shutil.rmtree(temp_dir)
-
-    return spec_deps_obj
-
-
-def get_spec_dependencies(specs, deps, spec_labels, image=None):
-    if image:
-        spec_deps_obj = get_deps_using_container(specs, image)
-    else:
     spec_deps_obj = compute_spec_deps(specs)
 
     try:
@@ -210,7 +172,7 @@ def get_spec_dependencies(specs, deps, spec_labels, image=None):
             _add_dependency(entry['spec'], entry['depends'], deps)
 
 
-def stage_spec_jobs(spec_set, containers, current_system=None):
+def stage_spec_jobs(specs):
     """Take a set of release specs along with a dictionary describing the
         available docker containers and what compilers they have, and generate
         a list of "stages", where the jobs in any stage are dependent only on
@@ -265,46 +227,7 @@ def remove_satisfied_deps(deps, satisfied_list):
     deps = {}
     spec_labels = {}
 
-    if current_system:
+    get_spec_dependencies(specs, deps, spec_labels)
-        if current_system not in containers:
-            error_msg = ' '.join(['Current system ({0}) does not appear in',
-                                  'os_container_mapping.yaml, ignoring',
-                                  'request']).format(
-                current_system)
-            raise SpackError(error_msg)
-        os_names = [current_system]
-    else:
-        os_names = [name for name in containers]
-
-    container_specs = {}
-    for name in os_names:
-        container_specs[name] = {'image': None, 'specs': []}
-
-    # Collect together all the specs that should be concretized in each
-    # container so they can all be done at once, avoiding the need to
-    # run the docker container for each spec separately.
-    for spec in spec_set:
-        for osname in os_names:
-            container_info = containers[osname]
-            image = None if current_system else container_info['image']
-            if image:
-                container_specs[osname]['image'] = image
-            if 'compilers' in container_info:
-                found_at_least_one = False
-                for item in container_info['compilers']:
-                    container_compiler_spec = CompilerSpec(item['name'])
-                    if spec.compiler == container_compiler_spec:
-                        container_specs[osname]['specs'].append(spec)
-                        found_at_least_one = True
-                if not found_at_least_one:
-                    tty.warn('No compiler in {0} satisfied {1}'.format(
-                        osname, spec.compiler))
-
-    for osname in container_specs:
-        if container_specs[osname]['specs']:
-            image = container_specs[osname]['image']
-            specs = container_specs[osname]['specs']
-            get_spec_dependencies(specs, deps, spec_labels, image)
 
     # Save the original deps, as we need to return them at the end of the
     # function.  In the while loop below, the "dependencies" variable is
@@ -452,49 +375,48 @@ def append_dep(s, d):
     return deps_json_obj
 
 
+def spec_matches(spec, match_string):
+    return spec.satisfies(match_string)
+
+
+def find_matching_config(spec, ci_mappings):
+    for ci_mapping in ci_mappings:
+        for match_string in ci_mapping['match']:
+            if spec_matches(spec, match_string):
+                return ci_mapping['runner-attributes']
+    return None
+
+
 def release_jobs(parser, args):
-    share_path = os.path.join(spack_root, 'share', 'spack', 'docker')
+    env = ev.get_env(args, 'release-jobs', required=True)
-    os_container_mapping_path = os.path.join(
+    env.concretize(force=args.force)
-        share_path, 'os-container-mapping.yaml')
 
-    with open(os_container_mapping_path, 'r') as fin:
+    yaml_root = env.yaml['spack']
-        os_container_mapping = syaml.load(fin)
 
-    try:
+    if 'gitlab-ci' not in yaml_root:
-        validate(os_container_mapping, mapping_schema)
+        tty.die('Environment yaml does not have "gitlab-ci" section')
-    except ValidationError as val_err:
-        tty.error('Ill-formed os-container-mapping configuration object')
-        tty.error(os_container_mapping)
-        tty.debug(val_err)
-        return
 
-    containers = os_container_mapping['containers']
+    ci_mappings = yaml_root['gitlab-ci']['mappings']
 
-    if args.specs:
+    ci_cdash = yaml_root['cdash']
-        # Just print out the spec labels and all dependency edges in
+    build_group = ci_cdash['build-group']
-        # a json format.
+    cdash_url = ci_cdash['url']
-        spec_list = [Spec(s) for s in args.specs]
+    cdash_project = ci_cdash['project']
-        with open(args.specs_deps_output, 'w') as out:
+    proj_enc = urlencode({'project': cdash_project})
-            compute_spec_deps(spec_list, out)
+    eq_idx = proj_enc.find('=') + 1
-        return
+    cdash_project_enc = proj_enc[eq_idx:]
+    cdash_site = ci_cdash['site']
+    cdash_auth_token = None
 
-    current_system = sys_type() if args.resolve_deps_locally else None
+    if args.cdash_credentials:
+        with open(args.cdash_credentials) as fd:
+            cdash_auth_token = fd.read()
+            cdash_auth_token = cdash_auth_token.strip()
 
-    release_specs_path = args.spec_set
+    ci_mirrors = yaml_root['mirrors']
-    if not release_specs_path:
+    mirror_urls = ci_mirrors.values()
-        raise SpackError('Must provide path to release spec-set')
 
-    release_spec_set = CombinatorialSpecSet.from_file(release_specs_path)
+    spec_labels, dependencies, stages = stage_spec_jobs(env.all_specs())
-
-    mirror_url = args.mirror_url
-
-    if not mirror_url:
-        raise SpackError('Must provide url of target binary mirror')
-
-    cdash_url = args.cdash_url
-
-    spec_labels, dependencies, stages = stage_spec_jobs(
-        release_spec_set, containers, current_system)
 
     if not stages:
         tty.msg('No jobs staged, exiting.')
@@ -503,6 +425,7 @@ def release_jobs(parser, args):
     if args.print_summary:
         print_staging_summary(spec_labels, dependencies, stages)
 
+    all_job_names = []
     output_object = {}
     job_count = 0
 
@@ -516,37 +439,56 @@ def release_jobs(parser, args):
             release_spec = spec_labels[spec_label]['spec']
             root_spec = spec_labels[spec_label]['rootSpec']
 
-            pkg_compiler = release_spec.compiler
+            runner_attribs = find_matching_config(release_spec, ci_mappings)
-            pkg_hash = release_spec.dag_hash()
+
+            if not runner_attribs:
+                tty.warn('No match found for {0}, skipping it'.format(
+                    release_spec))
+                continue
+
+            tags = [tag for tag in runner_attribs['tags']]
+
+            variables = {}
+            if 'variables' in runner_attribs:
+                variables.update(runner_attribs['variables'])
+
+            build_image = None
+            if 'image' in runner_attribs:
+                build_image = runner_attribs['image']
 
             osname = str(release_spec.architecture)
-            job_name = get_job_name(release_spec, osname)
+            job_name = get_job_name(release_spec, osname, build_group)
-            container_info = containers[osname]
+            cdash_build_name = get_cdash_build_name(release_spec, build_group)
-            build_image = container_info['image']
+
+            all_job_names.append(cdash_build_name)
 
             job_scripts = ['./bin/rebuild-package.sh']
 
-            if 'setup_script' in container_info:
-                job_scripts.insert(
-                    0, container_info['setup_script'] % pkg_compiler)
-
             job_dependencies = []
             if spec_label in dependencies:
                 job_dependencies = (
-                    [get_job_name(spec_labels[dep_label]['spec'], osname)
+                    [get_job_name(spec_labels[d]['spec'], osname, build_group)
-                        for dep_label in dependencies[spec_label]])
+                        for d in dependencies[spec_label]])
+
+            job_variables = {
+                'MIRROR_URL': mirror_urls[0],
+                'CDASH_BASE_URL': cdash_url,
+                'CDASH_PROJECT': cdash_project,
+                'CDASH_PROJECT_ENC': cdash_project_enc,
+                'CDASH_BUILD_NAME': cdash_build_name,
+                'DEPENDENCIES': ';'.join(job_dependencies),
+                'ROOT_SPEC': str(root_spec),
+            }
+
+            if args.signing_key:
+                job_variables['SIGN_KEY_HASH'] = args.signing_key
+
+            variables.update(job_variables)
 
             job_object = {
                 'stage': stage_name,
-                'variables': {
+                'variables': variables,
-                    'MIRROR_URL': mirror_url,
-                    'CDASH_BASE_URL': cdash_url,
-                    'HASH': pkg_hash,
-                    'DEPENDENCIES': ';'.join(job_dependencies),
-                    'ROOT_SPEC': str(root_spec),
-                },
                 'script': job_scripts,
-                'image': build_image,
                 'artifacts': {
                     'paths': [
                         'local_mirror/build_cache',
@@ -556,27 +498,12 @@ def release_jobs(parser, args):
                     'when': 'always',
                 },
                 'dependencies': job_dependencies,
+                'tags': tags,
             }
 
-            # If we see 'compilers' in the container iformation, it's a
+            if build_image:
-            # filter for the compilers this container can handle, else we
+                job_object['image'] = build_image
-            # assume it can handle any compiler
-            if 'compilers' in container_info:
-                do_job = False
-                for item in container_info['compilers']:
-                    container_compiler_spec = CompilerSpec(item['name'])
-                    if pkg_compiler == container_compiler_spec:
-                        do_job = True
-            else:
-                do_job = True
 
-            if args.shared_runner_tag:
-                job_object['tags'] = [args.shared_runner_tag]
-
-            if args.signing_key:
-                job_object['variables']['SIGN_KEY_HASH'] = args.signing_key
-
-            if do_job:
             output_object[job_name] = job_object
             job_count += 1
 
@@ -585,22 +512,27 @@ def release_jobs(parser, args):
     tty.msg('{0} build jobs generated in {1} stages'.format(
         job_count, len(stages)))
 
-    final_stage = 'stage-rebuild-index'
+    # Use "all_job_names" to populate the build group for this set
+    if cdash_auth_token:
+        populate_buildgroup(all_job_names, build_group, cdash_project,
+                            cdash_site, cdash_auth_token, cdash_url)
+    else:
+        tty.warn('Unable to populate buildgroup without CDash credentials')
 
+    # Add an extra, final job to regenerate the index
+    final_stage = 'stage-rebuild-index'
     final_job = {
         'stage': final_stage,
         'variables': {
-            'MIRROR_URL': mirror_url,
+            'MIRROR_URL': mirror_urls[0],
         },
-        'image': build_image,
+        'image': 'scottwittenburg/spack_ci_generator_alpine',  # just needs some basic python image
         'script': './bin/rebuild-index.sh',
+        'tags': ['spack-k8s']    # may want a runner to handle this
     }
-
-    if args.shared_runner_tag:
-        final_job['tags'] = [args.shared_runner_tag]
-
     output_object['rebuild-index'] = final_job
     stage_names.append(final_stage)
+
     output_object['stages'] = stage_names
 
     with open(args.output_file, 'w') as outf:

lib/spack/spack/schema/os_container_mapping.py

@@ -1,50 +0,0 @@
-# Copyright 2013-2019 Lawrence Livermore National Security, LLC and other
-# Spack Project Developers. See the top-level COPYRIGHT file for details.
-#
-# SPDX-License-Identifier: (Apache-2.0 OR MIT)
-
-"""Schema for os-container-mapping.yaml configuration file.
-
-.. literalinclude:: _spack_root/lib/spack/spack/schema/os_container_mapping.py
-   :lines: 32-
-"""
-
-
-schema = {
-    '$schema': 'http://json-schema.org/schema#',
-    'title': 'Spack release builds os/container mapping config file schema',
-    'type': 'object',
-    'additionalProperties': False,
-    'patternProperties': {
-        r'containers': {
-            'type': 'object',
-            'default': {},
-            'patternProperties': {
-                r'[\w\d\-_\.]+': {
-                    'type': 'object',
-                    'default': {},
-                    'additionalProperties': False,
-                    'required': ['image'],
-                    'properties': {
-                        'image': {'type': 'string'},
-                        'setup_script': {'type': 'string'},
-                        'compilers': {
-                            'type': 'array',
-                            'default': [],
-                            'items': {
-                                'type': 'object',
-                                'default': {},
-                                'additionalProperties': False,
-                                'required': ['name'],
-                                'properties': {
-                                    'name': {'type': 'string'},
-                                    'path': {'type': 'string'},
-                                },
-                            },
-                        },
-                    },
-                },
-            },
-        },
-    },
-}

share/spack/docker/os-container-mapping.yaml

@@ -1,11 +0,0 @@
-containers:
-  linux-ubuntu18.04-x86_64:
-    image: scottwittenburg/spack_builder_ubuntu_18.04
-    compilers:
-      - name: gcc@5.5.0
-      - name: clang@6.0.0-1ubuntu2
-  linux-centos7-x86_64:
-    image: scottwittenburg/spack_builder_centos_7
-    compilers:
-      - name: gcc@5.5.0
-      - name: clang@6.0.0