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docs/modules/hdfs/examples/usage-guide/hdfs-regorules.yaml
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| # Copied from tests/templates/kuttl/kerberos/12-rego-rules.yaml | ||
| --- | ||
| apiVersion: v1 | ||
| kind: ConfigMap | ||
| metadata: | ||
| name: hdfs-regorules | ||
| labels: | ||
| opa.stackable.tech/bundle: "true" | ||
| data: | ||
| hdfs.rego: | | ||
| package hdfs | ||
| import rego.v1 | ||
| default allow = false | ||
| # HDFS authorizer | ||
| allow if { | ||
| some acl in acls | ||
| matches_identity(input.callerUgi.shortUserName, acl.identity) | ||
| matches_resource(input.path, acl.resource) | ||
| action_sufficient_for_operation(acl.action, input.operationName) | ||
| } | ||
| # HDFS group mapper (this returns a list of strings) | ||
| groups := {group | | ||
| raw = groups_for_user[input.username][_] | ||
| # Keycloak groups have trailing slashes | ||
| group := trim_prefix(raw, "/") | ||
| } | ||
| # Identity mentions the user explicitly | ||
| matches_identity(user, identity) if { | ||
| identity == concat("", ["user:", user]) | ||
| } | ||
| # Identity mentions group the user is part of | ||
| matches_identity(user, identity) if { | ||
| some group in groups_for_user[user] | ||
| identity == concat("", ["group:", group]) | ||
| } | ||
| # Resource mentions the file explicitly | ||
| matches_resource(file, resource) if { | ||
| resource == concat("", ["hdfs:file:", file]) | ||
| } | ||
| # Resource mentions the directory explicitly | ||
| matches_resource(file, resource) if { | ||
| trim_suffix(resource, "/") == concat("", ["hdfs:dir:", file]) | ||
| } | ||
| # Resource mentions a folder higher up the tree, which will will grant access recursively | ||
| matches_resource(file, resource) if { | ||
| startswith(resource, "hdfs:dir:/") | ||
| # directories need to have a trailing slash | ||
| endswith(resource, "/") | ||
| startswith(file, trim_prefix(resource, "hdfs:dir:")) | ||
| } | ||
| action_sufficient_for_operation(action, operation) if { | ||
| action_hierarchy[action][_] == action_for_operation[operation] | ||
| } | ||
| action_hierarchy := { | ||
| "full": ["full", "rw", "ro"], | ||
| "rw": ["rw", "ro"], | ||
| "ro": ["ro"], | ||
| } | ||
| # To get a (hopefully complete) list of actions run "ack 'String operationName = '" in the hadoop source code | ||
| action_for_operation := { | ||
| # The "rename" operation will be actually called on both - the source and the target location. | ||
| # Because of this you need to have rw permissions on the source and target file - which is desired | ||
| "abandonBlock": "rw", | ||
| "addCacheDirective": "rw", | ||
| "addCachePool": "full", | ||
| "addErasureCodingPolicies": "full", | ||
| "allowSnapshot": "full", | ||
| "append": "rw", | ||
| "cancelDelegationToken": "ro", | ||
| "checkAccess": "ro", | ||
| "clearQuota": "full", | ||
| "clearSpaceQuota": "full", | ||
| "completeFile": "rw", | ||
| "computeSnapshotDiff": "full", | ||
| "concat": "rw", | ||
| "contentSummary": "ro", | ||
| "create": "rw", | ||
| "createEncryptionZone": "full", | ||
| "createSnapshot": "full", | ||
| "createSymlink": "rw", | ||
| "delete": "rw", | ||
| "deleteSnapshot": "full", | ||
| "disableErasureCodingPolicy": "full", | ||
| "disallowSnapshot": "full", | ||
| "enableErasureCodingPolicy": "full", | ||
| "finalizeRollingUpgrade": "full", | ||
| "fsck": "full", | ||
| "fsckGetBlockLocations": "full", | ||
| "fsync": "rw", | ||
| "gcDeletedSnapshot": "full", | ||
| "getAclStatus": "ro", | ||
| "getAdditionalBlock": "ro", | ||
| "getAdditionalDatanode": "ro", | ||
| "getDelegationToken": "ro", | ||
| "getECTopologyResultForPolicies": "ro", | ||
| "getErasureCodingCodecs": "ro", | ||
| "getErasureCodingPolicies": "ro", | ||
| "getErasureCodingPolicy": "ro", | ||
| "getEZForPath": "ro", | ||
| "getfileinfo": "ro", | ||
| "getPreferredBlockSize": "ro", | ||
| "getStoragePolicy": "ro", | ||
| "getXAttrs": "ro", | ||
| "isFileClosed": "ro", | ||
| "listCacheDirectives": "ro", | ||
| "listCachePools": "ro", | ||
| "listCorruptFileBlocks": "ro", | ||
| "listEncryptionZones": "ro", | ||
| "listOpenFiles": "ro", | ||
| "listReencryptionStatus": "ro", | ||
| "ListSnapshot": "ro", # Yeah, this really starts with a capital letter | ||
| "listSnapshottableDirectory": "ro", | ||
| "listStatus": "ro", | ||
| "listXAttrs": "ro", | ||
| "mkdirs": "rw", | ||
| "modifyAclEntries": "full", | ||
| "modifyCacheDirective": "rw", | ||
| "modifyCachePool": "full", | ||
| "open": "ro", | ||
| "queryRollingUpgrade": "ro", | ||
| "quotaUsage": "ro", | ||
| "recoverLease": "full", | ||
| "reencryptEncryptionZone": "full", | ||
| "removeAcl": "full", | ||
| "removeAclEntries": "full", | ||
| "removeCacheDirective": "rw", | ||
| "removeCachePool": "full", | ||
| "removeDefaultAcl": "full", | ||
| "removeErasureCodingPolicy": "full", | ||
| "removeXAttr": "rw", | ||
| "rename": "rw", | ||
| "renameSnapshot": "full", | ||
| "renewDelegationToken": "ro", | ||
| "satisfyStoragePolicy": "full", | ||
| "setAcl": "full", | ||
| "setErasureCodingPolicy": "full", | ||
| "setOwner": "full", | ||
| "setPermission": "full", | ||
| "setQuota": "full", | ||
| "setReplication": "full", | ||
| "setSpaceQuota": "full", | ||
| "setStoragePolicy": "full", | ||
| "setTimes": "rw", | ||
| "setXAttr": "rw", | ||
| "startRollingUpgrade": "full", | ||
| "truncate": "rw", | ||
| "unsetErasureCodingPolicy": "full", | ||
| "unsetStoragePolicy": "full", | ||
| } | ||
| # Actions I think are only relevant for the whole filesystem, and not specific to a file or directory | ||
| admin_actions := { | ||
| "checkRestoreFailedStorage": "ro", | ||
| "datanodeReport": "ro", | ||
| "disableRestoreFailedStorage": "full", | ||
| "enableRestoreFailedStorage": "full", | ||
| "finalizeUpgrade": "rw", | ||
| "getDatanodeStorageReport": "ro", | ||
| "metaSave": "ro", | ||
| "monitorHealth": "ro", | ||
| "refreshNodes": "rw", | ||
| "rollEditLog": "rw", | ||
| "saveNamespace": "full", | ||
| "setBalancerBandwidth": "rw", | ||
| "slowDataNodesReport": "ro", | ||
| "transitionToActive": "full", | ||
| "transitionToObserver": "full", | ||
| "transitionToStandby": "full", | ||
| } | ||
| groups_for_user := {"admin": ["admins"], "alice": ["developers"], "bob": []} | ||
| acls := [ | ||
| { | ||
| "identity": "group:admins", | ||
| "action": "full", | ||
| "resource": "hdfs:dir:/", | ||
| }, | ||
| { | ||
| "identity": "group:developers", | ||
| "action": "rw", | ||
| "resource": "hdfs:dir:/developers/", | ||
| }, | ||
| { | ||
| "identity": "group:developers", | ||
| "action": "ro", | ||
| "resource": "hdfs:dir:/developers-ro/", | ||
| }, | ||
| { | ||
| "identity": "user:alice", | ||
| "action": "rw", | ||
| "resource": "hdfs:dir:/alice/", | ||
| }, | ||
| { | ||
| "identity": "user:bob", | ||
| "action": "rw", | ||
| "resource": "hdfs:dir:/bob/", | ||
| }, | ||
| { | ||
| "identity": "user:bob", | ||
| "action": "ro", | ||
| "resource": "hdfs:dir:/developers/", | ||
| }, | ||
| { | ||
| "identity": "user:bob", | ||
| "action": "rw", | ||
| "resource": "hdfs:file:/developers/file-from-bob", | ||
| }, | ||
| ] |
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