discourse/lib/discourse_updates.rb

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module DiscourseUpdates
class << self
def check_version
version_info = if updated_at.nil?
DiscourseVersionCheck.new(
installed_version: Discourse::VERSION::STRING,
installed_sha: (Discourse.git_version == 'unknown' ? nil : Discourse.git_version),
installed_describe: Discourse.full_version,
git_branch: Discourse.git_branch,
updated_at: nil
)
else
DiscourseVersionCheck.new(
latest_version: latest_version,
critical_updates: critical_updates_available?,
installed_version: Discourse::VERSION::STRING,
installed_sha: (Discourse.git_version == 'unknown' ? nil : Discourse.git_version),
installed_describe: Discourse.full_version,
missing_versions_count: missing_versions_count,
git_branch: Discourse.git_branch,
updated_at: updated_at
)
end
# replace -commit_count with +commit_count
if version_info.installed_describe =~ /-(\d+)-/
version_info.installed_describe = version_info.installed_describe.gsub(/-(\d+)-.*/, " +#{$1}")
end
if SiteSetting.version_checks?
# Handle cases when version check data is old so we report something that makes sense
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if (version_info.updated_at.nil? || # never performed a version check
last_installed_version != (Discourse::VERSION::STRING) || # upgraded since the last version check
(version_info.missing_versions_count == (0) && version_info.latest_version != (version_info.installed_version)) || # old data
(version_info.missing_versions_count != (0) && version_info.latest_version == (version_info.installed_version))) # old data
Jobs.enqueue(:version_check, all_sites: true)
version_info.version_check_pending = true
unless version_info.updated_at.nil?
version_info.missing_versions_count = 0
version_info.critical_updates = false
end
end
end
version_info
end
# last_installed_version is the installed version at the time of the last version check
def last_installed_version
$redis.get last_installed_version_key
end
def latest_version
$redis.get latest_version_key
end
def missing_versions_count
$redis.get(missing_versions_count_key).try(:to_i)
end
def critical_updates_available?
($redis.get(critical_updates_available_key) || false) == 'true'
end
def updated_at
t = $redis.get(updated_at_key)
t ? Time.zone.parse(t) : nil
end
def updated_at=(time_with_zone)
$redis.set updated_at_key, time_with_zone.as_json
end
['last_installed_version', 'latest_version', 'missing_versions_count', 'critical_updates_available'].each do |name|
eval "define_method :#{name}= do |arg|
$redis.set #{name}_key, arg
end"
end
def missing_versions=(versions)
# delete previous list from redis
prev_keys = $redis.lrange(missing_versions_list_key, 0, 4)
if prev_keys
$redis.del prev_keys
$redis.del(missing_versions_list_key)
end
if versions.present?
# store the list in redis
version_keys = []
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versions[0, 5].each do |v|
key = "#{missing_versions_key_prefix}:#{v['version']}"
$redis.mapped_hmset key, v
version_keys << key
end
$redis.rpush missing_versions_list_key, version_keys
end
versions || []
end
def missing_versions
keys = $redis.lrange(missing_versions_list_key, 0, 4) # max of 5 versions
keys.present? ? keys.map { |k| $redis.hgetall(k) } : []
end
private
def last_installed_version_key
'last_installed_version'
end
def latest_version_key
'discourse_latest_version'
end
def critical_updates_available_key
'critical_updates_available'
end
def missing_versions_count_key
'missing_versions_count'
end
def updated_at_key
'last_version_check_at'
end
def missing_versions_list_key
'missing_versions'
end
def missing_versions_key_prefix
'missing_version'
end
end
end