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ruanhaishen
redis
Commits
85b514d1
Commit
85b514d1
authored
Sep 29, 2011
by
antirez
Browse files
redis-trib: reshard command work in progress
parent
9514aa32
Changes
1
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Inline
Side-by-side
src/redis-trib.rb
View file @
85b514d1
...
@@ -164,7 +164,7 @@ class ClusterNode
...
@@ -164,7 +164,7 @@ class ClusterNode
x
.
count
==
1
?
x
.
first
.
to_s
:
"
#{
x
.
first
}
-
#{
x
.
last
}
"
x
.
count
==
1
?
x
.
first
.
to_s
:
"
#{
x
.
first
}
-
#{
x
.
last
}
"
}.
join
(
","
)
}.
join
(
","
)
"[
#{
@info
[
:cluster_state
].
upcase
}
]
#{
self
.
to_s
.
ljust
(
25
)
}
slots:
#{
slots
}
"
"[
#{
@info
[
:cluster_state
].
upcase
}
]
#{
self
.
info
[
:name
]
}
#{
self
.
to_s
.
ljust
(
25
)
}
slots:
#{
slots
}
"
end
end
def
info
def
info
...
@@ -197,8 +197,16 @@ class RedisTrib
...
@@ -197,8 +197,16 @@ class RedisTrib
@nodes
<<
node
@nodes
<<
node
end
end
def
get_node_by_name
(
name
)
@nodes
.
each
{
|
n
|
return
n
if
n
.
info
[
:name
]
==
name
.
downcase
}
return
nil
end
def
check_cluster
def
check_cluster
puts
"Performing Cluster Check (using node
#{
@nodes
[
0
]
}
)"
puts
"Performing Cluster Check (using node
#{
@nodes
[
0
]
}
)"
errors
=
[]
show_nodes
show_nodes
# Check if all the slots are covered
# Check if all the slots are covered
slots
=
{}
slots
=
{}
...
@@ -208,8 +216,10 @@ class RedisTrib
...
@@ -208,8 +216,10 @@ class RedisTrib
if
slots
.
length
==
4096
if
slots
.
length
==
4096
puts
"[OK] All 4096 slots covered."
puts
"[OK] All 4096 slots covered."
else
else
puts
"[ERR] Not all 4096 slots are covered by nodes."
errors
<<
"[ERR] Not all 4096 slots are covered by nodes."
puts
errors
[
-
1
]
end
end
return
errors
end
end
def
alloc_slots
def
alloc_slots
...
@@ -279,6 +289,20 @@ class RedisTrib
...
@@ -279,6 +289,20 @@ class RedisTrib
check_cluster
check_cluster
end
end
def
reshard_cluster_cmd
load_cluster_info_from_node
(
ARGV
[
1
])
errors
=
check_cluster
if
errors
.
length
!=
0
puts
"Please fix your cluster problems before resharding."
exit
1
end
many
=
0
while
many
<=
0
or
many
>
4096
print
"How many slots do you want to move? "
many
=
STDIN
.
gets
.
to_i
end
end
def
create_cluster_cmd
def
create_cluster_cmd
puts
"Creating cluster"
puts
"Creating cluster"
ARGV
[
1
..-
1
].
each
{
|
n
|
ARGV
[
1
..-
1
].
each
{
|
n
|
...
@@ -302,7 +326,8 @@ end
...
@@ -302,7 +326,8 @@ end
COMMANDS
=
{
COMMANDS
=
{
"create"
=>
[
"create_cluster_cmd"
,
-
2
,
"host1:port host2:port ... hostN:port"
],
"create"
=>
[
"create_cluster_cmd"
,
-
2
,
"host1:port host2:port ... hostN:port"
],
"check"
=>
[
"check_cluster_cmd"
,
2
,
"host:port"
]
"check"
=>
[
"check_cluster_cmd"
,
2
,
"host:port"
],
"reshard"
=>
[
"reshard_cluster_cmd"
,
2
,
"host:port"
]
}
}
# Sanity check
# Sanity check
...
...
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