import Network.Curl.Types ()
#endif
import Control.Monad
-import Text.JSON (JSObject, JSValue, fromJSObject, decodeStrict)
+import Text.JSON (JSObject, fromJSObject, decodeStrict)
import Text.JSON.Types (JSValue(..))
import Text.Printf (printf)
import qualified Ganeti.HTools.Group as Group
import qualified Ganeti.HTools.Node as Node
import qualified Ganeti.HTools.Instance as Instance
+import qualified Ganeti.Constants as C
-- | Read an URL via curl and return the body if successful.
getUrl :: (Monad m) => String -> IO (m String)
#else
--- | The curl options we use
+-- | The curl options we use.
curlOpts :: [CurlOption]
curlOpts = [ CurlSSLVerifyPeer False
, CurlSSLVerifyHost 0
formatHost :: String -> String
formatHost master =
if ':' `elem` master then master
- else "https://" ++ master ++ ":5080"
+ else "https://" ++ master ++ ":" ++ show C.defaultRapiPort
-- | Parse a instance list in JSON format.
getInstances :: NameAssoc
getGroups body = loadJSArray "Parsing group data" body >>=
mapM (parseGroup . fromJSObject)
-getFakeGroups :: Result [(String, Group.Group)]
-getFakeGroups =
- return [(defaultGroupID,
- Group.create "default" defaultGroupID AllocPreferred)]
-
-- | Construct an instance from a JSON object.
parseInstance :: NameAssoc
- -> [(String, JSValue)]
+ -> JSRecord
-> Result (String, Instance.Instance)
parseInstance ktn a = do
name <- tryFromObj "Parsing new instance" a "name"
running <- extract "status" a
tags <- extract "tags" a
auto_balance <- extract "auto_balance" beparams
+ dt <- extract "disk_template" a
let inst = Instance.create name mem disk vcpus running tags
- auto_balance pnode snode
+ auto_balance pnode snode dt
return (name, inst)
-- | Construct a node from a JSON object.
-parseNode :: NameAssoc -> [(String, JSValue)] -> Result (String, Node.Node)
+parseNode :: NameAssoc -> JSRecord -> Result (String, Node.Node)
parseNode ktg a = do
name <- tryFromObj "Parsing new node" a "name"
let desc = "Node '" ++ name ++ "', error while parsing data"
return (name, node)
-- | Construct a group from a JSON object.
-parseGroup :: [(String, JSValue)] -> Result (String, Group.Group)
+parseGroup :: JSRecord -> Result (String, Group.Group)
parseGroup a = do
name <- tryFromObj "Parsing new group" a "name"
let extract s = tryFromObj ("Group '" ++ name ++ "'") a s
tags_body <- getUrl $ printf "%s/2/tags" url
return (group_body, node_body, inst_body, tags_body)
--- | Builds the cluster data from the raw Rapi content
+-- | Builds the cluster data from the raw Rapi content.
parseData :: (Result String, Result String, Result String, Result String)
-> Result ClusterData
parseData (group_body, node_body, inst_body, tags_body) = do
- group_data <-
- -- TODO: handle different ganeti versions properly, not via "all
- -- errors mean Ganeti 2.3"
- case group_body of
- Bad _ -> getFakeGroups
- Ok v -> getGroups v
+ group_data <- group_body >>= getGroups
let (group_names, group_idx) = assignIndices group_data
node_data <- node_body >>= getNodes group_names
let (node_names, node_idx) = assignIndices node_data
tags_data <- tags_body >>= (fromJResult "Parsing tags data" . decodeStrict)
return (ClusterData group_idx node_idx inst_idx tags_data)
--- | Top level function for data loading
+-- | Top level function for data loading.
loadData :: String -- ^ Cluster or URL to use as source
-> IO (Result ClusterData)
loadData = fmap parseData . readData