fix(juju): honor juju changes in descriptor
[osm/osmclient.git] / osmclient / common / package_tool.py
index 7cc10be..e792ce9 100644 (file)
 #    License for the specific language governing permissions and limitations
 #    under the License.
 
-from osmclient.common.exceptions import ClientException
-import os
 import glob
-import time
-import tarfile
 import hashlib
-from osm_im.validation import Validation as validation_im
+import logging
+import os
+import shutil
+import subprocess
+import tarfile
+import time
+
 from jinja2 import Environment, PackageLoader
+from osm_im.validation import Validation as validation_im
+from osm_im.validation import ValidationException
+from osm_im import im_translation
+from osmclient.common.exceptions import ClientException
+import yaml
 
 
 class PackageTool(object):
     def __init__(self, client=None):
         self._client = client
+        self._logger = logging.getLogger('osmclient')
+        self._validator = validation_im()
 
     def create(self, package_type, base_directory, package_name, override, image, vdus, vcpu, memory, storage,
                interfaces, vendor, detailed, netslice_subnets, netslice_vlds):
@@ -50,7 +59,7 @@ class PackageTool(object):
 
             :return: status
         """
-
+        self._logger.debug("")
         # print("location: {}".format(osmclient.__path__))
         file_loader = PackageLoader("osmclient")
         env = Environment(loader=file_loader)
@@ -80,7 +89,7 @@ class PackageTool(object):
             self.create_files(structure["files"], output, package_type)
         return "Created"
 
-    def validate(self, base_directory):
+    def validate(self, base_directory, recursive=True, old_format=False):
         """
             **Validate OSM Descriptors given a path**
 
@@ -89,8 +98,12 @@ class PackageTool(object):
 
             :return: List of dict of validated descriptors. keys: type, path, valid, error
         """
+        self._logger.debug("")
         table = []
-        descriptors_paths = [f for f in glob.glob(base_directory + "/**/*.yaml", recursive=True)]
+        if recursive:
+            descriptors_paths = [f for f in glob.glob(base_directory + "/**/*.yaml", recursive=recursive)]
+        else:
+            descriptors_paths = [f for f in glob.glob(base_directory + "/*.yaml", recursive=recursive)]
         print("Base directory: {}".format(base_directory))
         print("{} Descriptors found to validate".format(len(descriptors_paths)))
         for desc_path in descriptors_paths:
@@ -99,13 +112,82 @@ class PackageTool(object):
             desc_type = "-"
             try:
                 desc_type, descriptor_data = validation_im.yaml_validation(self, descriptor_data)
+                if not old_format:
+                    if ( desc_type=="vnfd" or desc_type=="nsd" ):
+                        print("OSM descriptor '{}' written in an unsupported format. Please update to ETSI SOL006 format".format(desc_path))
+                        print("Package validation skipped. It can still be done with 'osm package-validate --old'")
+                        print("Package build can still be done with 'osm package-build --skip-validation'")
+                        raise Exception("Not SOL006 format")
                 validation_im.pyangbind_validation(self, desc_type, descriptor_data)
                 table.append({"type": desc_type, "path": desc_path, "valid": "OK", "error": "-"})
             except Exception as e:
                 table.append({"type": desc_type, "path": desc_path, "valid": "ERROR", "error": str(e)})
         return table
 
-    def build(self, package_folder, skip_validation=True):
+    def translate(self, base_directory, recursive=True, dryrun=False):
+        """
+            **Translate OSM Packages given a path**
+
+            :params:
+                - base_directory is the root path for all packages
+
+            :return: List of dict of translated packages. keys: current type, new type, path, valid, translated, error
+        """
+        self._logger.debug("")
+        table = []
+        if recursive:
+            descriptors_paths = [f for f in glob.glob(base_directory + "/**/*.yaml", recursive=recursive)]
+        else:
+            descriptors_paths = [f for f in glob.glob(base_directory + "/*.yaml", recursive=recursive)]
+        print("Base directory: {}".format(base_directory))
+        print("{} Descriptors found to validate".format(len(descriptors_paths)))
+        for desc_path in descriptors_paths:
+            with open(desc_path) as descriptor_file:
+                descriptor_data = descriptor_file.read()
+            desc_type = "-"
+            try:
+                desc_type, descriptor_data = validation_im.yaml_validation(self, descriptor_data)
+                self._logger.debug("desc_type: {}".format(desc_type))
+                self._logger.debug("descriptor_data:\n{}".format(descriptor_data))
+                self._validator.pyangbind_validation(desc_type, descriptor_data)
+                if not ( desc_type=="vnfd" or desc_type=="nsd" ):
+                    table.append({"current type": desc_type, "new type": desc_type, "path": desc_path, "valid": "OK", "translated": "N/A", "error": "-"})
+                else:
+                    new_desc_type = desc_type
+                    try:
+                        sol006_model = yaml.safe_dump(im_translation.translate_im_model_to_sol006(descriptor_data), indent=4, default_flow_style=False)
+                        new_desc_type, new_descriptor_data = self._validator.yaml_validation(sol006_model)
+                        self._validator.pyangbind_validation(new_desc_type, new_descriptor_data)
+                        if not dryrun:
+                            with open(desc_path, 'w') as descriptor_file:
+                                descriptor_file.write(sol006_model)
+                        table.append({"current type": desc_type, "new type": new_desc_type, "path": desc_path, "valid": "OK", "translated": "OK", "error": "-"})
+                    except ValidationException as ve2:
+                        table.append({"current type": desc_type, "new type": new_desc_type, "path": desc_path, "valid": "OK", "translated": "ERROR", "error": "Error in the post-validation: {}".format(str(ve2))})
+                    except Exception as e2:
+                        table.append({"current type": desc_type, "new type": new_desc_type, "path": desc_path, "valid": "OK", "translated": "ERROR", "error": "Error in the translation: {}".format(str(e2))})
+            except ValidationException as ve:
+                table.append({"current type": desc_type, "new type": "N/A", "path": desc_path, "valid": "ERROR", "translated": "N/A", "error": "Error in the pre-validation: {}".format(str(ve))})
+            except Exception as e:
+                table.append({"current type": desc_type, "new type": "N/A", "path": desc_path, "valid": "ERROR", "translated": "N/A", "error": str(e)})
+        return table
+
+    def descriptor_translate(self, descriptor_file):
+        """
+            **Translate input descriptor file from Rel EIGHT OSM to SOL006**
+
+            :params:
+                - base_directory is the root path for all packages
+
+            :return: YAML descriptor in the new format
+        """
+        self._logger.debug("")
+        with open(descriptor_file, 'r') as df:
+            im_model = yaml.safe_load(df.read())
+        sol006_model = im_translation.translate_im_model_to_sol006(im_model)
+        return yaml.safe_dump(sol006_model, indent=4, default_flow_style=False)
+
+    def build(self, package_folder, skip_validation=False, skip_charm_build=False):
         """
             **Creates a .tar.gz file given a package_folder**
 
@@ -115,20 +197,23 @@ class PackageTool(object):
 
             :returns: message result for the build process
         """
-
+        self._logger.debug("")
+        package_folder = package_folder.rstrip('/')
         if not os.path.exists("{}".format(package_folder)):
-            return "Fail, package is not in the specified route"
+            return "Fail, package is not in the specified path"
         if not skip_validation:
-            results = self.validate(package_folder)
-            for result in results:
-                if result["valid"] != "OK":
-                    return("There was an error validating the file: {} with error: {}".format(result["path"],
-                                                                                              result["error"]))
-        self.calculate_checksum(package_folder)
-        with tarfile.open("{}.tar.gz".format(package_folder), mode='w:gz') as archive:
-            print("Adding File: {}".format(package_folder))
-            archive.add('{}'.format(package_folder), recursive=True)
-        return "Created {}.tar.gz".format(package_folder)
+            print('Validating package {}'.format(package_folder))
+            results = self.validate(package_folder, recursive=False)
+            if results:
+                for result in results:
+                    if result["valid"] != "OK":
+                        raise ClientException("There was an error validating the file {} with error: {}"
+                                              .format(result["path"], result["error"]))
+                print('Validation OK')
+            else:
+                raise ClientException("No descriptor file found in: {}".format(package_folder))
+        charm_list = self.build_all_charms(package_folder, skip_charm_build)
+        return self.build_tarfile(package_folder, charm_list)
 
     def calculate_checksum(self, package_folder):
         """
@@ -138,19 +223,19 @@ class PackageTool(object):
                 - package_folder: is the folder where we have the files to calculate the checksum
             :returns: None
         """
-        files = [f for f in glob.glob(package_folder + "/**/*.*", recursive=True)]
-        checksum = open("{}/checksum.txt".format(package_folder), "w+")
-        for file_item in files:
-            if "checksum.txt" in file_item:
-                continue
-            # from https://www.quickprogrammingtips.com/python/how-to-calculate-md5-hash-of-a-file-in-python.html
-            md5_hash = hashlib.md5()
-            with open(file_item, "rb") as f:
-                # Read and update hash in chunks of 4K
-                for byte_block in iter(lambda: f.read(4096), b""):
-                    md5_hash.update(byte_block)
-                checksum.write("{}\t{}\n".format(md5_hash.hexdigest(), file_item))
-        checksum.close()
+        self._logger.debug("")
+        files = [f for f in glob.glob(package_folder + "/**/*.*", recursive=True) if os.path.isfile(f)]
+        with open("{}/checksums.txt".format(package_folder), "w+") as checksum:
+            for file_item in files:
+                if "checksums.txt" in file_item:
+                    continue
+                # from https://www.quickprogrammingtips.com/python/how-to-calculate-md5-hash-of-a-file-in-python.html
+                md5_hash = hashlib.md5()
+                with open(file_item, "rb") as f:
+                    # Read and update hash in chunks of 4K
+                    for byte_block in iter(lambda: f.read(4096), b""):
+                        md5_hash.update(byte_block)
+                    checksum.write("{}\t{}\n".format(md5_hash.hexdigest(), file_item))
 
     def create_folders(self, folders, package_type):
         """
@@ -161,7 +246,7 @@ class PackageTool(object):
                 - package_type: is the type of package to be created
             :return: None
         """
-
+        self._logger.debug("")
         for folder in folders:
             try:
                 # print("Folder {} == package_type {}".format(folder[1], package_type))
@@ -180,6 +265,7 @@ class PackageTool(object):
                 - file_body: is the content of the file
             :return: None
         """
+        self._logger.debug("")
         print("Creating file:  \t{}".format(file_name))
         try:
             with open(file_name, "w+") as f:
@@ -193,6 +279,7 @@ class PackageTool(object):
 
             :returns: readme content
         """
+        self._logger.debug("")
         return """# Descriptor created by OSM descriptor package generated\n\n**Created on {} **""".format(
                time.strftime("%m/%d/%Y, %H:%M:%S", time.localtime()))
 
@@ -202,6 +289,7 @@ class PackageTool(object):
 
             :returns: cloud-init content
         """
+        self._logger.debug("")
         return "---\n#cloud-config"
 
     def create_files(self, files, file_content, package_type):
@@ -215,6 +303,7 @@ class PackageTool(object):
 
             :return: None
         """
+        self._logger.debug("")
         for file_item, file_package, file_type in files:
             if package_type == file_package:
                 if file_type == "descriptor":
@@ -234,6 +323,7 @@ class PackageTool(object):
 
             :return: Missing paths Dict
         """
+        self._logger.debug("")
         missing_paths = {}
         folders = []
         files = []
@@ -249,6 +339,42 @@ class PackageTool(object):
 
         return missing_paths
 
+    def build_all_charms(self, package_folder, skip_charm_build):
+        """
+            **Read the descriptor file, check that the charms referenced are in the folder and compiles them**
+
+            :params:
+                - packet_folder: is the location of the package
+            :return: Files and Folders not found. In case of override, it will return all file list
+        """
+        self._logger.debug("")
+        listCharms = []
+        descriptor_file = False
+        descriptors_paths = [f for f in glob.glob(package_folder + "/*.yaml")]
+        for file in descriptors_paths:
+            if file.endswith('nfd.yaml'):
+                descriptor_file = True
+                listCharms = self.charms_search(file, 'vnf')
+            if file.endswith('nsd.yaml'):
+                descriptor_file = True
+                listCharms = self.charms_search(file, 'ns')
+        print("List of charms in the descriptor: {}".format(listCharms))
+        if not descriptor_file:
+            raise ClientException('Descriptor filename is not correct in: {}. It should end with "nfd.yaml" or "nsd.yaml"'.format(package_folder))
+        if listCharms and not skip_charm_build:
+            for charmName in listCharms:
+                if os.path.isdir('{}/charms/layers/{}'.format(package_folder, charmName)):
+                    print('Building charm {}/charms/layers/{}'.format(package_folder, charmName))
+                    self.charm_build(package_folder, charmName)
+                    print('Charm built: {}'.format(charmName))
+                else:
+                    if not os.path.isdir('{}/charms/{}'.format(package_folder, charmName)):
+                        raise ClientException('The charm: {} referenced in the descriptor file '
+                                              'is not present either in {}/charms or in {}/charms/layers'.
+                                              format(charmName, package_folder, package_folder))
+        self._logger.debug("Return list of charms: {}".format(listCharms))
+        return listCharms
+
     def discover_folder_structure(self, base_directory, name, override):
         """
             **Discover files and folders structure for OSM descriptors given a base_directory and name**
@@ -259,6 +385,7 @@ class PackageTool(object):
                 - override: is the flag used to indicate the creation of the list even if the file exist to override it
             :return: Files and Folders not found. In case of override, it will return all file list
         """
+        self._logger.debug("")
         prefix = "{}/{}".format(base_directory, name)
         files_folders = {"folders": [("{}_ns".format(prefix), "ns"),
                                      ("{}_ns/icons".format(prefix), "ns"),
@@ -284,3 +411,170 @@ class PackageTool(object):
         missing_files_folders = self.check_files_folders(files_folders, override)
         # print("Missing files and folders: {}".format(missing_files_folders))
         return missing_files_folders
+
+    def charm_build(self, charms_folder, build_name):
+        """
+        Build the charms inside the package.
+        params: package_folder is the name of the folder where is the charms to compile.
+                build_name is the name of the layer or interface
+        """
+        self._logger.debug("")
+        os.environ['JUJU_REPOSITORY'] = "{}/charms".format(charms_folder)
+        os.environ['CHARM_LAYERS_DIR'] = "{}/layers".format(os.environ['JUJU_REPOSITORY'])
+        os.environ['CHARM_INTERFACES_DIR'] = "{}/interfaces".format(os.environ['JUJU_REPOSITORY'])
+        os.environ['CHARM_BUILD_DIR'] = "{}/charms/builds".format(charms_folder)
+        if not os.path.exists(os.environ['CHARM_BUILD_DIR']):
+            os.makedirs(os.environ['CHARM_BUILD_DIR'])
+        src_folder = '{}/{}'.format(os.environ['CHARM_LAYERS_DIR'], build_name)
+        result = subprocess.run(["charm", "build", "{}".format(src_folder)])
+        if result.returncode == 1:
+            raise ClientException("failed to build the charm: {}".format(src_folder))
+        self._logger.verbose("charm {} built".format(src_folder))
+
+    def build_tarfile(self, package_folder, charm_list=None):
+        """
+        Creates a .tar.gz file given a package_folder
+        params: package_folder is the name of the folder to be packaged
+        returns: .tar.gz name
+        """
+        self._logger.debug("")
+        cwd = None
+        try:
+            directory_name, package_name = self.create_temp_dir(package_folder, charm_list)
+            cwd = os.getcwd()
+            os.chdir(directory_name)
+            self.calculate_checksum(package_name)
+            with tarfile.open("{}.tar.gz".format(package_name), mode='w:gz') as archive:
+                print("Adding File: {}".format(package_name))
+                archive.add('{}'.format(package_name), recursive=True)
+            # return "Created {}.tar.gz".format(package_folder)
+            # self.build("{}".format(os.path.basename(package_folder)))
+            os.chdir(cwd)
+            cwd = None
+            created_package = "{}/{}.tar.gz".format(os.path.dirname(package_folder) or '.', package_name)
+            os.rename("{}/{}.tar.gz".format(directory_name, package_name),
+                      created_package)
+            os.rename("{}/{}/checksums.txt".format(directory_name, package_name),
+                      "{}/checksums.txt".format(package_folder))
+            print("Package created: {}".format(created_package))
+            return created_package
+        except Exception as exc:
+            raise ClientException('failure during build of targz file (create temp dir, calculate checksum, '
+                                  'tar.gz file): {}'.format(exc))
+        finally:
+            if cwd:
+                os.chdir(cwd)
+            shutil.rmtree(os.path.join(package_folder, "tmp"))
+
+    def create_temp_dir(self, package_folder, charm_list=None):
+        """
+        Method to create a temporary folder where we can move the files in package_folder
+        """
+        self._logger.debug("")
+        ignore_patterns = ('.gitignore')
+        ignore = shutil.ignore_patterns(ignore_patterns)
+        directory_name = os.path.abspath(package_folder)
+        package_name = os.path.basename(directory_name)
+        directory_name += "/tmp"
+        os.makedirs("{}/{}".format(directory_name, package_name), exist_ok=True)
+        self._logger.debug("Makedirs DONE: {}/{}".format(directory_name, package_name))
+        for item in os.listdir(package_folder):
+            self._logger.debug("Item: {}".format(item))
+            if item != "tmp":
+                s = os.path.join(package_folder, item)
+                d = os.path.join(os.path.join(directory_name, package_name), item)
+                if os.path.isdir(s):
+                    if item == "charms":
+                        os.makedirs(d, exist_ok=True)
+                        s_builds = os.path.join(s, "builds")
+                        for charm in charm_list:
+                            self._logger.debug("Copying charm {}".format(charm))
+                            if charm in os.listdir(s):
+                                s_charm = os.path.join(s, charm)
+                            elif charm in os.listdir(s_builds):
+                                s_charm = os.path.join(s_builds, charm)
+                            else:
+                                raise ClientException('The charm {} referenced in the descriptor file '
+                                                      'could not be found in {}/charms or in {}/charms/builds'.
+                                                      format(charm, package_folder, package_folder))
+                            d_temp = os.path.join(d, charm)
+                            self._logger.debug("Copying tree: {} -> {}".format(s_charm, d_temp))
+                            shutil.copytree(s_charm, d_temp, symlinks=True, ignore=ignore)
+                            self._logger.debug("DONE")
+                    else:
+                        self._logger.debug("Copying tree: {} -> {}".format(s, d))
+                        shutil.copytree(s, d, symlinks=True, ignore=ignore)
+                        self._logger.debug("DONE")
+                else:
+                    if item in ignore_patterns:
+                        continue
+                    self._logger.debug("Copying file: {} -> {}".format(s, d))
+                    shutil.copy2(s, d)
+                    self._logger.debug("DONE")
+        return directory_name, package_name
+
+    def charms_search(self, descriptor_file, desc_type):
+        self._logger.debug("descriptor_file: {}, desc_type: {}".format(descriptor_file,
+                                                                       desc_type))
+        with open("{}".format(descriptor_file)) as yaml_desc:
+            descriptor_dict = yaml.safe_load(yaml_desc)
+            #self._logger.debug("\n"+yaml.safe_dump(descriptor_dict, indent=4, default_flow_style=False))
+
+            if ( (desc_type=="vnf" and ("vnfd:vnfd-catalog" in descriptor_dict or "vnfd-catalog" in descriptor_dict)) or
+                 (desc_type=="ns" and ( "nsd:nsd-catalog" in descriptor_dict or "nsd-catalog" in descriptor_dict)) ):
+                charms_list = self._charms_search_on_osm_im_dict(descriptor_dict, desc_type)
+            else:
+                if desc_type == "ns":
+                    get_charm_list = self._charms_search_on_nsd_sol006_dict
+                elif desc_type == "vnf":
+                    get_charm_list = self._charms_search_on_vnfd_sol006_dict
+                else:
+                    raise Exception("Bad descriptor type")
+                charms_list = get_charm_list(descriptor_dict)
+        return charms_list
+
+    def _charms_search_on_osm_im_dict(self, osm_im_dict, desc_type):
+        self._logger.debug("")
+        charms_list = []
+        for k1, v1 in osm_im_dict.items():
+            for k2, v2 in v1.items():
+                for entry in v2:
+                    if '{}-configuration'.format(desc_type) in entry:
+                        vnf_config = entry['{}-configuration'.format(desc_type)]
+                        for k3, v3 in vnf_config.items():
+                            if 'charm' in v3:
+                                charms_list.append((v3['charm']))
+                    if 'vdu' in entry:
+                        vdus = entry['vdu']
+                        for vdu in vdus:
+                            if 'vdu-configuration' in vdu:
+                                for k4, v4 in vdu['vdu-configuration'].items():
+                                    if 'charm' in v4:
+                                        charms_list.append((v4['charm']))
+        return charms_list
+
+    def _charms_search_on_vnfd_sol006_dict(self, sol006_dict):
+        self._logger.debug("")
+        charms_list = []
+        for k1, v1 in sol006_dict.items():
+            for k2, v2 in v1.items():
+                if k2 == "df":
+                    for df in v2:
+                        lcm_ops = df.get("lcm-operations-configuration", {})
+                        ops_config = lcm_ops.get("operate-vnf-op-config", {})
+                        for day_12_config in ops_config.get("day1-2", []):
+                            self._logger.debug("Execution environment found")
+                            for ee in day_12_config.get("execution-environment-list", []):
+                                if "juju" in ee:
+                                    charms_list.append((ee["juju"]['charm']))
+        return charms_list
+
+    def _charms_search_on_nsd_sol006_dict(self, sol006_dict):
+        self._logger.debug("")
+        charms_list = []
+        nsd_list = sol006_dict.get("nsd", {}).get("nsd", [])
+        for nsd in nsd_list:
+            charm = nsd.get("ns-configuration", {}).get("juju", {}).get("charm")
+            if charm:
+                charms_list.append(charm)
+        return charms_list