Add diskimage_stage2.py with parameters and sequence different from iso

Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>

1 files changed, 114 insertions, 0 deletions

diff --git a/catalyst/targets/diskimage_stage2.py b/catalyst/targets/diskimage_stage2.py
new file mode 100644
index 00000000..bcad8b0d
--- /dev/null
+++ b/catalyst/targets/diskimage_stage2.py
@@ -0,0 +1,114 @@
+"""
+Disk image stage2 target, builds upon previous disk image stage1 tarball
+"""
+# NOTE: That^^ docstring has influence catalyst-spec(5) man page generation.
+
+from catalyst.support import (normpath, file_locate, CatalystError)
+from catalyst.fileops import clear_dir
+from catalyst.base.stagebase import StageBase
+
+
+class diskimage_stage2(StageBase):
+    """
+    Builder class for a disk image stage2 build.
+    """
+    required_values = frozenset([
+        "boot/kernel",
+    ])
+    valid_values = required_values | frozenset([
+        "diskimage/bootargs",
+        "diskimage/depclean",
+        "diskimage/empty",
+        "diskimage/fsops",
+        "diskimage/fsscript",
+        "diskimage/gk_mainargs",
+        "diskimage/modblacklist",
+        "diskimage/motd",
+        "diskimage/qcow2",
+        "diskimage/qcow2_size",
+        "diskimage/qcow2_efisize",
+        "diskimage/qcow2_roottype",
+        "diskimage/rcadd",
+        "diskimage/rcdel",
+        "diskimage/readme",
+        "diskimage/rm",
+        "diskimage/type",		# generic, cloud-init, ssh, console
+        "diskimage/unmerge",
+        "diskimage/users",
+        "diskimage/verify",
+        "diskimage/volid",
+        "repos",
+    ])
+
+# Types of bootable disk images planned for (diskimage/type):
+# cloud-init - an image that starts cloud-init for configuration and then can be
+#              used out of the box
+# console    - an image that has an empty root password and allows passwordless
+#              login on the console only
+# ssh        - an image that populates /root/.ssh/authorized_keys and starts dhcp
+#              as well as sshd; obviously not fit for public distribution
+# generic    - an image with no means of logging in... needs postprocessing
+#              no services are started
+
+    def __init__(self, spec, addlargs):
+        StageBase.__init__(self, spec, addlargs)
+        if "diskimage/type" not in self.settings:
+            self.settings["diskimage/type"] = "generic"
+
+        file_locate(self.settings, ["controller_file"])
+
+    def set_spec_prefix(self):
+        self.settings["spec_prefix"] = "diskimage"
+
+    def set_target_path(self):
+        '''Set the target path for the finished stage.
+
+        This method runs the StageBase.set_target_path mehtod,
+        and additionally creates a staging directory for assembling
+        the final components needed to produce the iso image.
+        '''
+        super(diskimage_stage2, self).set_target_path()
+        clear_dir(self.settings['target_path'])
+
+    def run_local(self):
+        # what modules do we want to blacklist?
+        if "diskimage/modblacklist" in self.settings:
+            path = normpath(self.settings["chroot_path"] +
+                            "/etc/modprobe.d/blacklist.conf")
+            try:
+                with open(path, "a") as myf:
+                    myf.write("\n#Added by Catalyst:")
+                    # workaround until config.py is using configparser
+                    if isinstance(self.settings["diskimage/modblacklist"], str):
+                        self.settings["diskimage/modblacklist"] = self.settings[
+                            "diskimage/modblacklist"].split()
+                    for x in self.settings["diskimage/modblacklist"]:
+                        myf.write("\nblacklist "+x)
+            except Exception as e:
+                raise CatalystError("Couldn't open " +
+                                    self.settings["chroot_path"] +
+                                    "/etc/modprobe.d/blacklist.conf.",
+                                    print_traceback=True) from e
+
+    def set_action_sequence(self):
+        self.build_sequence.extend([
+            self.run_local,
+            self.build_kernel
+        ])
+        if "fetch" not in self.settings["options"]:
+            self.build_sequence.extend([
+                self.preclean,
+                self.diskimage_update,
+                self.fsscript,
+                self.rcupdate,
+                self.unmerge,
+            ])
+            self.finish_sequence.extend([
+                self.remove,
+                self.empty,
+                self.clean,
+                self.create_qcow2,
+            ])
+        self.set_completion_action_sequences()
+        # our output is the qcow2, not a stage archive
+        self.finish_sequence.remove(self.capture)