[3.2] enable all tests for Ubuntu 22; NP & LR tests for Ubuntu 18

.github/actions/parallel-ctest-containers/action.yml

@@ -1,13 +1,13 @@
 name: 'Parallel ctest'
-description: 'Runs a set of ctests in parallel via multiple docker containers'
+description: 'Runs a set of labeled ctests in parallel via multiple docker containers'
 inputs:
   container:
     required: true
   error-log-paths:
     required: true
   log-tarball-prefix:
     required: true
-  tests:
+  tests-label:
     required: true
 runs:
   using: 'node16'

.github/actions/parallel-ctest-containers/main.mjs

@@ -9,16 +9,22 @@ import core from '@actions/core'
 const container = core.getInput('container', {required: true});
 const error_log_paths = JSON.parse(core.getInput('error-log-paths', {required: true}));
 const log_tarball_prefix = core.getInput('log-tarball-prefix', {required: true});
-const tests = JSON.parse(core.getInput('tests', {required: true}));
+const tests_label = core.getInput('tests-label', {required: true});
 
 try {
-   if(child_process.spawnSync("docker", ["run", "--name", "base", "-v", `${process.cwd()}/build.tar.zst:/build.tar.zst`, "--workdir", "/__w/leap/leap", container, "tar",  "--zstd", "-xf", "/build.tar.zst"], {stdio:"inherit"}).status)
+   if(child_process.spawnSync("docker", ["run", "--name", "base", "-v", `${process.cwd()}/build.tar.zst:/build.tar.zst`, "--workdir", "/__w/leap/leap", container, "sh", "-c", "zstdcat /build.tar.zst | tar x"], {stdio:"inherit"}).status)
       throw new Error("Failed to create base container");
    if(child_process.spawnSync("docker", ["commit", "base", "baseimage"], {stdio:"inherit"}).status)
       throw new Error("Failed to create base image");
    if(child_process.spawnSync("docker", ["rm", "base"], {stdio:"inherit"}).status)
       throw new Error("Failed to remove base container");
 
+   // the correct approach is by far "--show-only=json-v1" and then pluck out .tests[].name; but that doesn't work on U18's cmake 3.10 since it lacks json-v1 output
+   const test_query_result = child_process.spawnSync("docker", ["run", "--rm", "baseimage", "bash", "-e", "-o", "pipefail", "-c", `cd build; ctest -L '${tests_label}' --show-only | head -n -1 | cut -d ':' -f 2 -s | jq -cnR '[inputs | select(length>0)[1:]]'`]);
+   if(test_query_result.status)
+      throw new Error("Failed to discover tests with label")
+   const tests = JSON.parse(test_query_result.stdout);
+
    let subprocesses = [];
    tests.forEach(t => {
       subprocesses.push(new Promise(resolve => {