diff options
Diffstat (limited to 'filter_plugins/oo_filters.py')
| -rw-r--r-- | filter_plugins/oo_filters.py | 202 |
1 files changed, 157 insertions, 45 deletions
diff --git a/filter_plugins/oo_filters.py b/filter_plugins/oo_filters.py index cd67b69a5..3da4562ac 100644 --- a/filter_plugins/oo_filters.py +++ b/filter_plugins/oo_filters.py @@ -57,6 +57,19 @@ class FilterModule(object): return [item for sublist in data for item in sublist] @staticmethod + def oo_merge_dicts(first_dict, second_dict): + """ Merge two dictionaries where second_dict values take precedence. + Ex: first_dict={'a': 1, 'b': 2} + second_dict={'b': 3, 'c': 4} + returns {'a': 1, 'b': 3, 'c': 4} + """ + if not isinstance(first_dict, dict) or not isinstance(second_dict, dict): + raise errors.AnsibleFilterError("|failed expects to merge two dicts") + merged = first_dict.copy() + merged.update(second_dict) + return merged + + @staticmethod def oo_collect(data, attribute=None, filters=None): """ This takes a list of dict and collects all attributes specified into a list. If filter is specified then we will include all items that @@ -246,8 +259,11 @@ class FilterModule(object): @staticmethod def oo_split(string, separator=','): - """ This splits the input string into a list + """ This splits the input string into a list. If the input string is + already a list we will return it as is. """ + if isinstance(string, list): + return string return string.split(separator) @staticmethod @@ -286,6 +302,85 @@ class FilterModule(object): return [x for x in data if x.has_key(filter_attr) and x[filter_attr]] @staticmethod + def oo_oc_nodes_matching_selector(nodes, selector): + """ Filters a list of nodes by selector. + + Examples: + nodes = [{"kind": "Node", "metadata": {"name": "node1.example.com", + "labels": {"kubernetes.io/hostname": "node1.example.com", + "color": "green"}}}, + {"kind": "Node", "metadata": {"name": "node2.example.com", + "labels": {"kubernetes.io/hostname": "node2.example.com", + "color": "red"}}}] + selector = 'color=green' + returns = ['node1.example.com'] + + nodes = [{"kind": "Node", "metadata": {"name": "node1.example.com", + "labels": {"kubernetes.io/hostname": "node1.example.com", + "color": "green"}}}, + {"kind": "Node", "metadata": {"name": "node2.example.com", + "labels": {"kubernetes.io/hostname": "node2.example.com", + "color": "red"}}}] + selector = 'color=green,color=red' + returns = ['node1.example.com','node2.example.com'] + + Args: + nodes (list[dict]): list of node definitions + selector (str): "label=value" node selector to filter `nodes` by + Returns: + list[str]: nodes filtered by selector + """ + if not isinstance(nodes, list): + raise errors.AnsibleFilterError("failed expects nodes to be a list, got {0}".format(type(nodes))) + if not isinstance(selector, basestring): + raise errors.AnsibleFilterError("failed expects selector to be a string") + if not re.match('.*=.*', selector): + raise errors.AnsibleFilterError("failed selector does not match \"label=value\" format") + node_lists = [] + for node_selector in ''.join(selector.split()).split(','): + label = node_selector.split('=')[0] + value = node_selector.split('=')[1] + node_lists.append(FilterModule.oo_oc_nodes_with_label(nodes, label, value)) + nodes = set(node_lists[0]) + for node_list in node_lists[1:]: + nodes.intersection_update(node_list) + return list(nodes) + + @staticmethod + def oo_oc_nodes_with_label(nodes, label, value): + """ Filters a list of nodes by label, value. + + Examples: + nodes = [{"kind": "Node", "metadata": {"name": "node1.example.com", + "labels": {"kubernetes.io/hostname": "node1.example.com", + "color": "green"}}}, + {"kind": "Node", "metadata": {"name": "node2.example.com", + "labels": {"kubernetes.io/hostname": "node2.example.com", + "color": "red"}}}] + label = 'color' + value = 'green' + returns = ['node1.example.com'] + Args: + nodes (list[dict]): list of node definitions + label (str): label to filter `nodes` by + value (str): value of `label` to filter `nodes` by + Returns: + list[str]: nodes filtered by selector + """ + if not isinstance(nodes, list): + raise errors.AnsibleFilterError("failed expects nodes to be a list") + if not isinstance(label, basestring): + raise errors.AnsibleFilterError("failed expects label to be a string") + if not isinstance(value, basestring): + raise errors.AnsibleFilterError("failed expects value to be a string") + matching_nodes = [] + for node in nodes: + if label in node['metadata']['labels']: + if node['metadata']['labels'][label] == value: + matching_nodes.append(node['metadata']['name']) + return matching_nodes + + @staticmethod def oo_nodes_with_label(nodes, label, value=None): """ Filters a list of nodes by label and value (if provided) @@ -558,7 +653,9 @@ class FilterModule(object): @staticmethod def oo_openshift_env(hostvars): - ''' Return facts which begin with "openshift_" + ''' Return facts which begin with "openshift_" and translate + legacy facts to their openshift_env counterparts. + Ex: hostvars = {'openshift_fact': 42, 'theyre_taking_the_hobbits_to': 'isengard'} returns = {'openshift_fact': 42} @@ -571,6 +668,11 @@ class FilterModule(object): for key in hostvars: if regex.match(key): facts[key] = hostvars[key] + + migrations = {'openshift_router_selector': 'openshift_hosted_router_selector'} + for old_fact, new_fact in migrations.iteritems(): + if old_fact in facts and new_fact not in facts: + facts[new_fact] = facts[old_fact] return facts @staticmethod @@ -588,36 +690,38 @@ class FilterModule(object): if persistent_volumes == None: persistent_volumes = [] - for component in hostvars['openshift']['hosted']: - kind = hostvars['openshift']['hosted'][component]['storage']['kind'] - create_pv = hostvars['openshift']['hosted'][component]['storage']['create_pv'] - if kind != None and create_pv: - if kind == 'nfs': - host = hostvars['openshift']['hosted'][component]['storage']['host'] - if host == None: - if len(groups['oo_nfs_to_config']) > 0: - host = groups['oo_nfs_to_config'][0] + if 'hosted' in hostvars['openshift']: + for component in hostvars['openshift']['hosted']: + if 'storage' in hostvars['openshift']['hosted'][component]: + kind = hostvars['openshift']['hosted'][component]['storage']['kind'] + create_pv = hostvars['openshift']['hosted'][component]['storage']['create_pv'] + if kind != None and create_pv: + if kind == 'nfs': + host = hostvars['openshift']['hosted'][component]['storage']['host'] + if host == None: + if len(groups['oo_nfs_to_config']) > 0: + host = groups['oo_nfs_to_config'][0] + else: + raise errors.AnsibleFilterError("|failed no storage host detected") + directory = hostvars['openshift']['hosted'][component]['storage']['nfs']['directory'] + volume = hostvars['openshift']['hosted'][component]['storage']['volume']['name'] + path = directory + '/' + volume + size = hostvars['openshift']['hosted'][component]['storage']['volume']['size'] + access_modes = hostvars['openshift']['hosted'][component]['storage']['access_modes'] + persistent_volume = dict( + name="{0}-volume".format(volume), + capacity=size, + access_modes=access_modes, + storage=dict( + nfs=dict( + server=host, + path=path))) + persistent_volumes.append(persistent_volume) else: - raise errors.AnsibleFilterError("|failed no storage host detected") - directory = hostvars['openshift']['hosted'][component]['storage']['nfs']['directory'] - volume = hostvars['openshift']['hosted'][component]['storage']['volume']['name'] - path = directory + '/' + volume - size = hostvars['openshift']['hosted'][component]['storage']['volume']['size'] - access_modes = hostvars['openshift']['hosted'][component]['storage']['access_modes'] - persistent_volume = dict( - name="{0}-volume".format(volume), - capacity=size, - access_modes=access_modes, - storage=dict( - nfs=dict( - server=host, - path=path))) - persistent_volumes.append(persistent_volume) - else: - msg = "|failed invalid storage kind '{0}' for component '{1}'".format( - kind, - component) - raise errors.AnsibleFilterError(msg) + msg = "|failed invalid storage kind '{0}' for component '{1}'".format( + kind, + component) + raise errors.AnsibleFilterError(msg) return persistent_volumes @staticmethod @@ -632,18 +736,20 @@ class FilterModule(object): if persistent_volume_claims == None: persistent_volume_claims = [] - for component in hostvars['openshift']['hosted']: - kind = hostvars['openshift']['hosted'][component]['storage']['kind'] - create_pv = hostvars['openshift']['hosted'][component]['storage']['create_pv'] - if kind != None and create_pv: - volume = hostvars['openshift']['hosted'][component]['storage']['volume']['name'] - size = hostvars['openshift']['hosted'][component]['storage']['volume']['size'] - access_modes = hostvars['openshift']['hosted'][component]['storage']['access_modes'] - persistent_volume_claim = dict( - name="{0}-claim".format(volume), - capacity=size, - access_modes=access_modes) - persistent_volume_claims.append(persistent_volume_claim) + if 'hosted' in hostvars['openshift']: + for component in hostvars['openshift']['hosted']: + if 'storage' in hostvars['openshift']['hosted'][component]: + kind = hostvars['openshift']['hosted'][component]['storage']['kind'] + create_pv = hostvars['openshift']['hosted'][component]['storage']['create_pv'] + if kind != None and create_pv: + volume = hostvars['openshift']['hosted'][component]['storage']['volume']['name'] + size = hostvars['openshift']['hosted'][component]['storage']['volume']['size'] + access_modes = hostvars['openshift']['hosted'][component]['storage']['access_modes'] + persistent_volume_claim = dict( + name="{0}-claim".format(volume), + capacity=size, + access_modes=access_modes) + persistent_volume_claims.append(persistent_volume_claim) return persistent_volume_claims @staticmethod @@ -711,7 +817,7 @@ class FilterModule(object): return retval @staticmethod - def oo_image_tag_to_rpm_version(version): + def oo_image_tag_to_rpm_version(version, include_dash=False): """ Convert an image tag string to an RPM version if necessary Empty strings and strings that are already in rpm version format are ignored. @@ -722,7 +828,10 @@ class FilterModule(object): raise errors.AnsibleFilterError("|failed expects a string or unicode") if version.startswith("v"): - version = "-" + version.replace("v", "") + version = version.replace("v", "") + + if include_dash: + version = "-" + version return version @@ -755,4 +864,7 @@ class FilterModule(object): "oo_pods_match_component": self.oo_pods_match_component, "oo_get_hosts_from_hostvars": self.oo_get_hosts_from_hostvars, "oo_image_tag_to_rpm_version": self.oo_image_tag_to_rpm_version, + "oo_merge_dicts": self.oo_merge_dicts, + "oo_oc_nodes_matching_selector": self.oo_oc_nodes_matching_selector, + "oo_oc_nodes_with_label": self.oo_oc_nodes_with_label } |