Switch CLN channel locally until the last stage of the upgrade

packaging/leapp-repository.spec

@@ -94,6 +94,9 @@ Conflicts:      leapp-upgrade-el7toel8
 
 %endif
 
+# Requires tools which allow switching between channels
+Requires: cln-switch-channel = 2
+
 # IMPORTANT: every time the requirements are changed, increment number by one
 # - same for Provides in deps subpackage
 Requires:       leapp-repository-dependencies = %{leapp_repo_deps}

repos/system_upgrade/cloudlinux/actors/checkcllicense/actor.py

@@ -13,24 +13,6 @@
 
 import os
 
-RHN_CONFIG_DIR = '/etc/sysconfig/rhn'
-REQUIRED_PKGS = ['dnf-plugin-spacewalk', 'rhn-client-tools']
-
-
-def rhn_to_target_userspace():
-    """
-    Produce messages to copy RHN configuration files and packages to the target userspace
-    """
-    files_to_copy = []
-    for dirpath, _, filenames in os.walk(RHN_CONFIG_DIR):
-        for filename in filenames:
-            src_path = os.path.join(dirpath, filename)
-            if os.path.isfile(src_path):
-                files_to_copy.append(CopyFile(src=src_path))
-
-    api.produce(TargetUserSpacePreupgradeTasks(install_rpms=REQUIRED_PKGS, copy_files=files_to_copy))
-    api.produce(TargetUserSpaceUpgradeTasks(install_rpms=REQUIRED_PKGS, copy_files=files_to_copy))
-
 
 class CheckClLicense(Actor):
     """
@@ -39,17 +21,12 @@ class CheckClLicense(Actor):
 
     name = 'check_cl_license'
     consumes = ()
-    produces = (Report, TargetUserSpacePreupgradeTasks, TargetUserSpaceUpgradeTasks)
+    produces = (Report,)
     tags = (ChecksPhaseTag, IPUWorkflowTag)
 
     system_id_path = '/etc/sysconfig/rhn/systemid'
     rhn_check_bin = '/usr/sbin/rhn_check'
 
-    # # Copy RHN data independent from RHSM config
-    # if os.path.isdir('/etc/sysconfig/rhn'):
-    #     run(['rm', '-rf', os.path.join(target_etc, 'sysconfig/rhn')])
-    #     context.copytree_from('/etc/sysconfig/rhn', os.path.join(target_etc, 'sysconfig/rhn'))
-
     @run_on_cloudlinux
     def process(self):
         res = None
@@ -69,5 +46,3 @@ def process(self):
                 reporting.Groups([reporting.Groups.INHIBITOR]),
                 reporting.Remediation(hint=remediation),
             ])
-        else:
-            rhn_to_target_userspace()

repos/system_upgrade/cloudlinux/actors/copycllicense/actor.py

@@ -0,0 +1,44 @@
+import os
+from leapp.actors import Actor
+from leapp.reporting import Report
+from leapp.tags import ChecksPhaseTag, IPUWorkflowTag
+from leapp.libraries.common.cllaunch import run_on_cloudlinux
+from leapp.libraries.stdlib import api
+from leapp.models import (
+    TargetUserSpacePreupgradeTasks,
+    CopyFile
+)
+
+
+RHN_CONFIG_DIR = '/etc/sysconfig/rhn'
+REQUIRED_PKGS = ['dnf-plugin-spacewalk', 'rhn-client-tools']
+
+
+class CopyClLicense(Actor):
+    """
+    Produce task to copy CloudLinux license files to target system.
+    """
+
+    name = 'copy_rhn_client_tools_config'
+    consumes = ()
+    produces = (Report, TargetUserSpacePreupgradeTasks)
+    tags = (ChecksPhaseTag, IPUWorkflowTag)
+
+    @run_on_cloudlinux
+    def process(self):
+        """
+        Produce artifacts to copy RHN configuration files
+        and install packages to the target userspace,
+        including up2date and systemid.
+        """
+        files_to_copy = []
+        for dirpath, _, filenames in os.walk(RHN_CONFIG_DIR):
+            for filename in filenames:
+                src_path = os.path.join(dirpath, filename)
+                if os.path.isfile(src_path):
+                    files_to_copy.append(CopyFile(src=src_path))
+
+        api.produce(TargetUserSpacePreupgradeTasks(
+            install_rpms=REQUIRED_PKGS,
+            copy_files=files_to_copy
+        ))

repos/system_upgrade/cloudlinux/actors/pinclnmirror/actor.py

@@ -0,0 +1,59 @@
+import json
+import os
+
+from leapp.actors import Actor
+from leapp.libraries.stdlib import api
+from leapp.libraries.common.cllaunch import run_on_cloudlinux
+from leapp.libraries.common.cln_switch import get_target_userspace_path
+from leapp.tags import DownloadPhaseTag, IPUWorkflowTag
+from leapp.libraries.common.config.version import get_target_major_version
+
+
+class PinClnMirror(Actor):
+    """
+    Save CLN mirror that was used last time.
+    """
+
+    name = 'pin_cln_mirror'
+    consumes = ()
+    produces = ()
+    tags = (IPUWorkflowTag, DownloadPhaseTag.Before)
+
+    CLN_REPO_ID = "cloudlinux-x86_64-server-%s"
+    DEFAULT_CLN_MIRROR = "https://xmlrpc.cln.cloudlinux.com/XMLRPC/"
+
+    @run_on_cloudlinux
+    def process(self):
+        """Pin CLN mirror"""
+        target_userspace = get_target_userspace_path()
+        api.current_logger().info("Pin CLN mirror: target userspace=%s", target_userspace)
+
+        # load last mirror URL from dnf spacewalk plugin cache
+        spacewalk_settings = {}
+
+        # find the mirror used in the last transaction
+        # (expecting to find the one used in dnf_package_download actor)
+        spacewalk_json_path = os.path.join(target_userspace, 'var/lib/dnf/_spacewalk.json')
+        try:
+            with open(spacewalk_json_path) as file:
+                spacewalk_settings = json.load(file)
+        except (OSError, IOError, ValueError):
+            api.current_logger().error(
+                "No spacewalk settings found in %s - can't identify the last used CLN mirror",
+                spacewalk_json_path,
+            )
+
+        mirror_url = spacewalk_settings.get(
+            self.CLN_REPO_ID % get_target_major_version(), {}
+        ).get("url", [self.DEFAULT_CLN_MIRROR])[0]
+
+        # pin mirror
+        mirrorlist_path = os.path.join(target_userspace, 'etc/mirrorlist')
+        with open(mirrorlist_path, 'w') as file:
+            file.write(mirror_url + '\n')
+        api.current_logger().info("Pin CLN mirror %s in %s", mirror_url, mirrorlist_path)
+
+        up2date_path = os.path.join(target_userspace, 'etc/sysconfig/rhn/up2date')
+        with open(up2date_path, 'a+') as file:
+            file.write('\nmirrorURL[comment]=Set mirror URL to /etc/mirrorlist\nmirrorURL=file:///etc/mirrorlist\n')
+        api.current_logger().info("Updated up2date_path %s", up2date_path)

repos/system_upgrade/cloudlinux/actors/switchclnchannelreset/actor.py → repos/system_upgrade/cloudlinux/actors/switchclnchannel/actor.py

@@ -1,33 +1,39 @@
+import os
+import json
+
 from leapp.actors import Actor
 from leapp.libraries.stdlib import api
-from leapp.tags import IPUWorkflowTag, TargetTransactionChecksPhaseTag
+from leapp.tags import FirstBootPhaseTag, IPUWorkflowTag
 from leapp.libraries.stdlib import CalledProcessError
 from leapp.libraries.common.cllaunch import run_on_cloudlinux
-from leapp.libraries.common.cln_switch import cln_switch
-from leapp.libraries.common.config.version import get_source_major_version
+from leapp.libraries.common.cln_switch import cln_switch, get_target_userspace_path
 from leapp import reporting
 from leapp.reporting import Report
+from leapp.libraries.common.config.version import get_target_major_version
+
+
+DEFAULT_CLN_MIRROR = "https://xmlrpc.cln.cloudlinux.com/XMLRPC/"
 
 
-class SwitchClnChannelReset(Actor):
+class SwitchClnChannelDownload(Actor):
     """
-    Reset the CLN channel to CL7 to keep the system state consistent before the main upgrade phase.
+    Permanently switch CLN channel to target os version.
     """
 
-    name = "switch_cln_channel_reset"
+    name = "switch_cln_channel"
     consumes = ()
     produces = (Report,)
-    tags = (IPUWorkflowTag, TargetTransactionChecksPhaseTag.After)
+    tags = (FirstBootPhaseTag, IPUWorkflowTag)
 
     @run_on_cloudlinux
     def process(self):
         try:
-            cln_switch(target=get_source_major_version())
+            cln_switch(target=int(get_target_major_version()))
         except CalledProcessError as e:
             reporting.create_report(
                 [
                     reporting.Title(
-                        "Failed to switch CloudLinux Network channel."
+                        "Failed to switch CloudLinux Network channel from 7 to 8."
                     ),
                     reporting.Summary(
                         "Command {} failed with exit code {}."