Class: Logster::RedisStore
Instance Attribute Summary collapse
Attributes inherited from BaseStore
#ignore, #level, #max_retention, #skip_empty
Instance Method Summary
collapse
Methods inherited from BaseStore
#report
Constructor Details
#initialize(redis = nil) ⇒ RedisStore
Returns a new instance of RedisStore.
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# File 'lib/logster/redis_store.rb', line 95
def initialize(redis = nil)
super()
@redis = redis || Redis.new
@max_backlog = 1000
end
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Instance Attribute Details
#max_backlog ⇒ Object
Returns the value of attribute max_backlog.
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# File 'lib/logster/redis_store.rb', line 92
def max_backlog
@max_backlog
end
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#redis ⇒ Object
Returns the value of attribute redis.
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# File 'lib/logster/redis_store.rb', line 92
def redis
@redis
end
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#redis_prefix ⇒ Object
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# File 'lib/logster/redis_store.rb', line 276
def redis_prefix
return 'default'.freeze if !@redis_prefix
@prefix_is_proc ||= @redis_prefix.respond_to?(:call)
@prefix_is_proc ? @redis_prefix.call : @redis_prefix
end
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#redis_raw_connection ⇒ Object
Returns the value of attribute redis_raw_connection.
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# File 'lib/logster/redis_store.rb', line 92
def redis_raw_connection
@redis_raw_connection
end
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Instance Method Details
#clear ⇒ Object
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# File 'lib/logster/redis_store.rb', line 206
def clear
@redis.del(solved_key)
@redis.del(list_key)
keys = @redis.smembers(protected_key) || []
if keys.empty?
@redis.del(hash_key)
else
protected = @redis.mapped_hmget(hash_key, *keys)
@redis.del(hash_key)
@redis.mapped_hmset(hash_key, protected)
sorted = protected
.values
.map { |string| Message.from_json(string) }
.sort
.map(&:key)
@redis.pipelined do
sorted.each do |message_key|
@redis.rpush(list_key, message_key)
end
end
end
end
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#clear_all ⇒ Object
Delete everything, included protected messages (use in tests)
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# File 'lib/logster/redis_store.rb', line 233
def clear_all
@redis.del(list_key)
@redis.del(protected_key)
@redis.del(hash_key)
@redis.del(grouping_key)
@redis.del(solved_key)
end
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#count ⇒ Object
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# File 'lib/logster/redis_store.rb', line 146
def count
@redis.llen(list_key)
end
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#delete(msg) ⇒ Object
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# File 'lib/logster/redis_store.rb', line 120
def delete(msg)
@redis.multi do
@redis.hdel(hash_key, msg.key)
@redis.hdel(grouping_key, msg.grouping_key)
@redis.lrem(list_key, -1, msg.key)
end
end
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#get(message_key) ⇒ Object
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# File 'lib/logster/redis_store.rb', line 241
def get(message_key)
json = @redis.hget(hash_key, message_key)
return nil unless json
Message.from_json(json)
end
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#latest(opts = {}) ⇒ Object
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# File 'lib/logster/redis_store.rb', line 160
def latest(opts={})
limit = opts[:limit] || 50
severity = opts[:severity]
before = opts[:before]
after = opts[:after]
search = opts[:search]
start, finish = find_location(before, after, limit)
return [] unless start && finish
results = []
direction = after ? 1 : -1
begin
keys = @redis.lrange(list_key, start, finish) || []
break unless keys and keys.count > 0
rows = @redis.hmget(hash_key, keys)
temp = []
rows.each do |s|
row = Message.from_json(s)
break if before && before == row.key
row = nil if severity && !severity.include?(row.severity)
row = filter_search(row, search)
temp << row if row
end
if direction == -1
results = temp + results
else
results += temp
end
start += limit * direction
finish += limit * direction
finish = -1 if finish > -1
end while rows.length > 0 && results.length < limit && start < 0
results
end
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#protect(message_key) ⇒ Object
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# File 'lib/logster/redis_store.rb', line 248
def protect(message_key)
if message = get(message_key)
message.protected = true
update_message(message)
end
end
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#register_rate_limit_per_hour(severities, limit, &block) ⇒ Object
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# File 'lib/logster/redis_store.rb', line 272
def register_rate_limit_per_hour(severities, limit, &block)
register_rate_limit(severities, limit, 3600, block)
end
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#register_rate_limit_per_minute(severities, limit, &block) ⇒ Object
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# File 'lib/logster/redis_store.rb', line 268
def register_rate_limit_per_minute(severities, limit, &block)
register_rate_limit(severities, limit, 60, block)
end
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#replace_and_bump(message) ⇒ Object
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# File 'lib/logster/redis_store.rb', line 128
def replace_and_bump(message)
exists = @redis.hexists(hash_key, message.key)
return false unless exists
@redis.multi do
@redis.hset(hash_key, message.key, message.to_json)
@redis.lrem(list_key, -1, message.key)
@redis.rpush(list_key, message.key)
end
true
end
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#save(message) ⇒ Object
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# File 'lib/logster/redis_store.rb', line 102
def save(message)
if keys=message.solved_keys
keys.each do |solved|
return true if @redis.hget(solved_key, solved)
end
end
@redis.multi do
@redis.hset(grouping_key, message.grouping_key, message.key)
@redis.rpush(list_key, message.key)
update_message(message)
end
trim
true
end
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#similar_key(message) ⇒ Object
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# File 'lib/logster/redis_store.rb', line 142
def similar_key(message)
@redis.hget(grouping_key, message.grouping_key)
end
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#solve(message_key) ⇒ Object
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# File 'lib/logster/redis_store.rb', line 150
def solve(message_key)
if (message = get(message_key)) && (keys = message.solved_keys)
keys.each do |s_key|
@redis.hset(solved_key, s_key, Time.now.to_f.to_i)
end
end
clear_solved
end
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#solved ⇒ Object
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# File 'lib/logster/redis_store.rb', line 264
def solved
@redis.hkeys(solved_key) || []
end
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#unprotect(message_key) ⇒ Object
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# File 'lib/logster/redis_store.rb', line 255
def unprotect(message_key)
if message = get(message_key)
message.protected = false
update_message(message)
else
raise "Message already deleted"
end
end
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