Merge pull request #424 from mmichal10/improve-installer

Improve installer

test/functional/api/cas/git.py

@@ -3,14 +3,18 @@
 # SPDX-License-Identifier: BSD-3-Clause-Clear
 #
 
+import os
+
 from core.test_run import TestRun
 from connection.local_executor import LocalExecutor
 
 
-def get_current_commit_hash():
-    local_executor = LocalExecutor()
-    return local_executor.run(
-        f"cd {TestRun.usr.repo_dir} &&"
+def get_current_commit_hash(from_dut: bool = False):
+    executor = TestRun.executor if from_dut else LocalExecutor()
+    repo_path = TestRun.usr.working_dir if from_dut else TestRun.usr.repo_dir
+
+    return executor.run(
+        f"cd {repo_path} &&"
         f'git show HEAD -s --pretty=format:"%H"').stdout
 
 
@@ -19,3 +23,42 @@ def get_current_commit_message():
     return local_executor.run(
         f"cd {TestRun.usr.repo_dir} &&"
         f'git show HEAD -s --pretty=format:"%B"').stdout
+
+
+def get_release_tags():
+    repo_path = os.path.join(TestRun.usr.working_dir, ".git")
+    output = TestRun.executor.run_expect_success(f"git --git-dir={repo_path} tag").stdout
+
+    # Tags containing '-' or '_' are not CAS release versions
+    tags = [v for v in output.splitlines() if "-" not in v and "_" not in v]
+
+    return tags
+
+
+def checkout_cas_version(cas_version):
+    from api.cas.version import CasVersion
+    if isinstance(cas_version, CasVersion):
+        output = TestRun.executor.run(
+            f"cd {TestRun.usr.working_dir} && "
+            f"git rev-parse {cas_version}")
+        if output.exit_code != 0:
+            raise CmdException(f"Failed to resolve {cas_version} tag to commit hash", output)
+        TestRun.LOGGER.info(f"Resolved {cas_version} as commit {output.stdout}")
+        cas_version = output.stdout
+
+    _checkout_cas_commit(cas_version)
+
+
+def _checkout_cas_commit(commit_hash):
+    TestRun.LOGGER.info(f"Checkout CAS to {commit_hash}")
+    output = TestRun.executor.run(
+        f"cd {TestRun.usr.working_dir} && "
+        f"git checkout --force {commit_hash}")
+    if output.exit_code != 0:
+        raise CmdException(f"Failed to checkout to CAS {commit_hash}", output)
+
+    output = TestRun.executor.run(
+        f"cd {TestRun.usr.working_dir} && "
+        f"git submodule update")
+    if output.exit_code != 0:
+        raise CmdException(f"Failed to update submodules", output)

test/functional/api/cas/installer.py

@@ -8,12 +8,13 @@ import logging
 
 from tests import conftest
 from core.test_run import TestRun
+from api.cas import git
 from api.cas import cas_module
 from test_utils import os_utils
 from test_utils.output import CmdException
 
 
-def install_opencas():
+def rsync_opencas_sources():
     TestRun.LOGGER.info("Copying Open CAS repository to DUT")
     TestRun.executor.rsync_to(
         f"{TestRun.usr.repo_dir}/",
@@ -21,6 +22,17 @@ def install_opencas():
         exclude_list=["test/functional/results/"],
         delete=True)
 
+
+def _clean_opencas_repo():
+    TestRun.LOGGER.info("Cleaning Open CAS repo")
+    output = TestRun.executor.run(
+        f"cd {TestRun.usr.working_dir} && "
+        "make distclean")
+    if output.exit_code != 0:
+        raise CmdException("make distclean command executed with nonzero status", output)
+
+
+def build_opencas():
     TestRun.LOGGER.info("Building Open CAS")
     output = TestRun.executor.run(
         f"cd {TestRun.usr.working_dir} && "
@@ -29,6 +41,8 @@ def install_opencas():
     if output.exit_code != 0:
         raise CmdException("Make command executed with nonzero status", output)
 
+
+def install_opencas():
     TestRun.LOGGER.info("Installing Open CAS")
     output = TestRun.executor.run(
         f"cd {TestRun.usr.working_dir} && "
@@ -44,6 +58,17 @@ def install_opencas():
         TestRun.LOGGER.info(output.stdout)
 
 
+def set_up_opencas(version=None):
+    _clean_opencas_repo()
+
+    if version:
+        git.checkout_cas_version(version)
+
+    build_opencas()
+
+    install_opencas()
+
+
 def uninstall_opencas():
     TestRun.LOGGER.info("Uninstalling Open CAS")
     output = TestRun.executor.run("casadm -V")
@@ -57,10 +82,10 @@ def uninstall_opencas():
             raise CmdException("There was an error during uninstall process", output)
 
 
-def reinstall_opencas():
+def reinstall_opencas(version=None):
     if check_if_installed():
         uninstall_opencas()
-    install_opencas()
+    set_up_opencas(version)
 
 
 def check_if_installed():

test/functional/api/cas/version.py

@@ -0,0 +1,32 @@
+#
+# Copyright(c) 2019-2020 Intel Corporation
+# SPDX-License-Identifier: BSD-3-Clause-Clear
+#
+
+import os
+
+from api.cas import git
+from packaging import version
+
+
+class CasVersion(version.Version):
+    def can_be_upgraded(self):
+        return self >= CasVersion("v20.1")
+
+    def __str__(self):
+        return f"v{super().__str__()}"
+
+    def __repr__(self):
+        return str(self)
+
+
+def get_available_cas_versions():
+    release_tags = git.get_release_tags()
+
+    versions = [CasVersion(tag) for tag in release_tags]
+
+    return versions
+
+
+def get_upgradable_cas_versions():
+    return [v for v in get_available_cas_versions() if v.can_be_upgraded()]

test/functional/tests/conftest.py

@@ -172,9 +172,11 @@ def base_prepare(item):
                 raise Exception(f"Failed to remove partitions from {disk}")
 
         if get_force_param(item) and not TestRun.usr.already_updated:
+            installer.rsync_opencas_sources()
             installer.reinstall_opencas()
         elif not installer.check_if_installed():
-            installer.install_opencas()
+            installer.rsync_opencas_sources()
+            installer.set_up_opencas()
         TestRun.usr.already_updated = True
         TestRun.LOGGER.add_build_info(f'Commit hash:')
         TestRun.LOGGER.add_build_info(f"{git.get_current_commit_hash()}")