mirror of
https://github.com/turbot/steampipe.git
synced 2025-12-25 03:00:48 -05:00
775 lines
28 KiB
Go
775 lines
28 KiB
Go
package connection
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import (
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"context"
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"fmt"
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"log"
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"os"
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"strconv"
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"strings"
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"sync"
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"time"
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"github.com/jackc/pgx/v5/pgxpool"
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"github.com/spf13/cobra"
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"github.com/spf13/viper"
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"github.com/turbot/go-kit/helpers"
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"github.com/turbot/steampipe-plugin-sdk/v5/plugin"
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"github.com/turbot/steampipe-plugin-sdk/v5/sperr"
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"github.com/turbot/steampipe/pkg/connection_state"
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"github.com/turbot/steampipe/pkg/constants"
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"github.com/turbot/steampipe/pkg/db/db_common"
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"github.com/turbot/steampipe/pkg/db/db_local"
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"github.com/turbot/steampipe/pkg/error_helpers"
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"github.com/turbot/steampipe/pkg/steampipeconfig"
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"github.com/turbot/steampipe/pkg/utils"
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"golang.org/x/exp/maps"
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"golang.org/x/sync/semaphore"
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)
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type connectionError struct {
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name string
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err error
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}
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type refreshConnectionState struct {
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// a connection pool to the DB service which uses the server appname
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pool *pgxpool.Pool
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searchPath []string
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connectionUpdates *steampipeconfig.ConnectionUpdates
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tableUpdater *connectionStateTableUpdater
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res *steampipeconfig.RefreshConnectionResult
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forceUpdateConnectionNames []string
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// properties for schema/comment cloning
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exemplarSchemaMapMut sync.Mutex
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// maps keyed by plugin which gives an exemplar connection name,
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// if a plugin has an entry in this map, all connections schemas can be cloned from teh exemplar schema
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exemplarSchemaMap map[string]string
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// if a plugin has an entry in this map, all connections schemas can be cloned from teh exemplar schema
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exemplarCommentsMap map[string]string
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pluginManager pluginManager
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}
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func newRefreshConnectionState(ctx context.Context, pluginManager pluginManager, forceUpdateConnectionNames []string) (*refreshConnectionState, error) {
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pool := pluginManager.Pool()
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// set user search path first
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log.Printf("[INFO] setting up search path")
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searchPath, err := db_local.SetUserSearchPath(ctx, pool)
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if err != nil {
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return nil, err
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}
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res := &refreshConnectionState{
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pool: pool,
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searchPath: searchPath,
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forceUpdateConnectionNames: forceUpdateConnectionNames,
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pluginManager: pluginManager,
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}
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return res, nil
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}
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// RefreshConnections loads required connections from config
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// and update the database schema and search path to reflect the required connections
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// return whether any changes have been made
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func (s *refreshConnectionState) refreshConnections(ctx context.Context) {
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// if there was an error (other than a connection error, which will NOT have been assigned to res),
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// set state of all incomplete connections to error
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defer func() {
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if s.res != nil && s.res.Error != nil {
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s.setIncompleteConnectionStateToError(ctx, sperr.WrapWithMessage(s.res.Error, "refreshConnections failed before connection update was complete"))
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// TODO send error PG notification
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}
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}()
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log.Printf("[INFO] building connectionUpdates")
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var opts []steampipeconfig.ConnectionUpdatesOption
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if len(s.forceUpdateConnectionNames) > 0 {
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opts = append(opts, steampipeconfig.WithForceUpdate(s.forceUpdateConnectionNames))
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}
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// build a ConnectionUpdates struct
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// this determine any necessary connection updates and starts any necessary plugins
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s.connectionUpdates, s.res = steampipeconfig.NewConnectionUpdates(ctx, s.pool, s.pluginManager, opts...)
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defer s.logRefreshConnectionResults()
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// were we successful?
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if s.res.Error != nil {
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return
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}
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log.Printf("[INFO] created connectionUpdates")
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// reload plugin rate limiter definitions for all plugins which are updated - the plugin will already be loaded
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if len(s.connectionUpdates.PluginsWithUpdatedBinary) > 0 {
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updatedPluginLimiters, err := s.pluginManager.LoadPluginRateLimiters(s.connectionUpdates.PluginsWithUpdatedBinary)
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if err != nil {
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s.res.Error = err
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return
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}
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if len(updatedPluginLimiters) > 0 {
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s.pluginManager.HandlePluginLimiterChanges(updatedPluginLimiters)
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}
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}
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// delete the connection state file - it will be rewritten when we are complete
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log.Printf("[INFO] deleting connections state file")
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steampipeconfig.DeleteConnectionStateFile()
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defer func() {
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if s.res.Error == nil {
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log.Printf("[INFO] saving connections state file")
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steampipeconfig.SaveConnectionStateFile(s.res, s.connectionUpdates)
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}
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}()
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// warn about missing plugins
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s.addMissingPluginWarnings()
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// create object to update the connection state table and notify of state changes
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s.tableUpdater = newConnectionStateTableUpdater(s.connectionUpdates, s.pool)
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// NOTE: delete any DYNAMIC plugin connections which will be updated
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// to avoid them being accessed before they are updated
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s.executeDeleteQueries(ctx, s.connectionUpdates.DynamicUpdates())
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// update connectionState table to reflect the updates (i.e. set connections to updating/deleting/ready as appropriate)
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// also this will update the schema hashes of plugins
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if err := s.tableUpdater.start(ctx); err != nil {
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s.res.Error = err
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return
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}
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// if there are no updates, just return
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if !s.connectionUpdates.HasUpdates() {
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log.Println("[INFO] no updates required")
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return
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}
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log.Printf("[INFO] execute connection queries")
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// execute any necessary queries
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s.executeConnectionQueries(ctx)
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if s.res.Error != nil {
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log.Printf("[WARN] refreshConnections failed with err %s", s.res.Error.Error())
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return
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}
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s.res.UpdatedConnections = true
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}
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func (s *refreshConnectionState) addMissingPluginWarnings() {
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log.Printf("[INFO] refreshConnections: identify missing plugins")
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var connectionNames, pluginNames []string
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// add warning if there are connections left over, from missing plugins
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if len(s.connectionUpdates.MissingPlugins) > 0 {
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// warning
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for a, conns := range s.connectionUpdates.MissingPlugins {
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for _, con := range conns {
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connectionNames = append(connectionNames, con.Name)
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}
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pluginNames = append(pluginNames, utils.GetPluginName(a))
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}
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s.res.AddWarning(fmt.Sprintf("%d %s required by %s %s missing. To install, please run %s",
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len(pluginNames),
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utils.Pluralize("plugin", len(pluginNames)),
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utils.Pluralize("connection", len(connectionNames)),
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utils.Pluralize("is", len(pluginNames)),
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constants.Bold(fmt.Sprintf("steampipe plugin install %s", strings.Join(pluginNames, " ")))))
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}
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}
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func (s *refreshConnectionState) logRefreshConnectionResults() {
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var cmdName = viper.Get(constants.ConfigKeyActiveCommand).(*cobra.Command).Name()
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if cmdName != "plugin-manager" {
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return
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}
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var op strings.Builder
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if s.connectionUpdates != nil {
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op.WriteString(fmt.Sprintf("%s", s.connectionUpdates.String()))
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}
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if s.res != nil {
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op.WriteString(fmt.Sprintf("%s\n", s.res.String()))
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}
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log.Printf("[TRACE] refresh connections: \n%s\n", helpers.Tabify(op.String(), " "))
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}
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func (s *refreshConnectionState) executeConnectionQueries(ctx context.Context) {
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// TODO WHY? WHY NOT FROM ourselves
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// retrieve updates from the table updater
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connectionUpdates := s.tableUpdater.updates
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utils.LogTime("db.executeConnectionQueries start")
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defer utils.LogTime("db.executeConnectionQueries start")
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// execute deletions
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if err := s.executeDeleteQueries(ctx, maps.Keys(s.connectionUpdates.Delete)); err != nil {
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// just log
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log.Printf("[WARN] failed to delete all unused schemas: %s", err.Error())
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}
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// execute updates
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numUpdates := len(connectionUpdates.Update)
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numMissingComments := len(connectionUpdates.MissingComments)
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log.Printf("[INFO] executeConnectionQueries: num updates: %d, connections missing comments: %d", numUpdates, numMissingComments)
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if numUpdates+numMissingComments > 0 {
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// get schema queries - this updates schemas for validated plugins and drops schemas for unvalidated plugins
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s.executeUpdateQueries(ctx)
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} else if len(connectionUpdates.Delete) > 0 {
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log.Printf("[INFO] deleted all unnecessary schemas - sending notification")
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// if there are no updates and there ARE deletes, notify
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// (is there are updates, deletes will be notified by executeUpdateQueries)
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if err := s.sendPostgreSchemaNotification(ctx); err != nil {
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// just log
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log.Printf("[WARN] failed to send schema deletion Postgres notification: %s", err.Error())
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}
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}
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return
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}
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// execute all update queries
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// NOTE: this only sets res.Error if there is a failure to set update the connection state table
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// - all other connection based failures are recorded in the connection state table
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func (s *refreshConnectionState) executeUpdateQueries(ctx context.Context) {
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utils.LogTime("db.executeUpdateQueries start")
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defer utils.LogTime("db.executeUpdateQueries end")
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defer func() {
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if s.res.Error != nil {
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log.Printf("[INFO] executeUpdateQueries returned error: %v", s.res.Error)
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}
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}()
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connectionUpdates := s.connectionUpdates
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connectionPlugins := connectionUpdates.ConnectionPlugins
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numUpdates := len(connectionUpdates.Update)
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// we need to execute the updates in search path order
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// i.e. we first need to update the first search path connection for each plugin (this can be done in parallel)
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// then we can update the remaining connections in parallel
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initialUpdates, remainingUpdates, dynamicUpdates := s.getInitialAndRemainingUpdates()
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// dynamic plugins must be updated for each plugin in search path order
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// dynamicUpdates is a map keyed by plugin with all the updates for that plugin
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// create exemplar maps
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s.exemplarSchemaMap = make(map[string]string)
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s.exemplarCommentsMap = make(map[string]string)
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log.Printf("[INFO] executing %d update %s", numUpdates, utils.Pluralize("query", numUpdates))
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// execute initial updates
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log.Printf("[INFO] executing initial updates")
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var errors []error
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moreErrors := s.executeUpdatesInParallel(ctx, initialUpdates)
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errors = append(errors, moreErrors...)
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// execute dynamic updates (not, we update all connections in search path order,
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// so must call executeUpdateSetsInParallel)
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log.Printf("[INFO] executing dynamic updates")
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moreErrors = s.executeUpdateSetsInParallel(ctx, dynamicUpdates)
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errors = append(errors, moreErrors...)
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// if any of the initial schemas failed, do not proceed - these schemas are required to ensure we correctly
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// resolve unqualified queries/tables
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if len(errors) > 0 {
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s.res.Error = error_helpers.CombineErrors(errors...)
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log.Printf("[WARN] initial updates failed: %s", s.res.Error.Error())
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// TODO SEND ERROR NOTIFICATION
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return
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}
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log.Printf("[INFO] set comments for initial updates")
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// now set comments for initial updates and dynamic connections
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// note errors will be empty to get here
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s.UpdateCommentsInParallel(ctx, maps.Values(initialUpdates), connectionPlugins)
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log.Printf("[INFO] set comments for dynamic updates")
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// convert dynamicUpdates to an array of connection states
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var dynamicUpdateArray = updateSetMapToArray(dynamicUpdates)
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s.UpdateCommentsInParallel(ctx, dynamicUpdateArray, connectionPlugins)
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log.Printf("[INFO] updated all exemplar schemas - sending notification")
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// now that we have updated all exemplar schemars, send postgres notification
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// this gives any attached interactive clients a chance to update their inspect data and autocomplete
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if err := s.sendPostgreSchemaNotification(ctx); err != nil {
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// just log
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log.Printf("[WARN] failed to send schem update Postgres notification: %s", err.Error())
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}
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log.Printf("[INFO] Execute %d remaining %s",
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len(remainingUpdates),
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utils.Pluralize("updates", len(remainingUpdates)))
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// now execute remaining updates
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moreErrors = s.executeUpdatesInParallel(ctx, remainingUpdates)
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errors = append(errors, moreErrors...)
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log.Printf("[INFO] Set comments for %d remaining %s and %d %s missing comments",
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len(remainingUpdates),
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utils.Pluralize("updates", len(remainingUpdates)),
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len(connectionUpdates.MissingComments),
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utils.Pluralize("updates", len(connectionUpdates.MissingComments)),
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)
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// set comments for remaining updates
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s.UpdateCommentsInParallel(ctx, maps.Values(remainingUpdates), connectionPlugins)
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// set comments for any other connection without comment set
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s.UpdateCommentsInParallel(ctx, maps.Values(s.connectionUpdates.MissingComments), connectionPlugins)
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if len(errors) > 0 {
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s.res.Error = error_helpers.CombineErrors(errors...)
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}
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log.Printf("[INFO] all update queries executed")
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for _, failure := range connectionUpdates.InvalidConnections {
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log.Printf("[TRACE] remove schema for connection failing validation connection %s, plugin Name %s\n ", failure.ConnectionName, failure.Plugin)
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if failure.ShouldDropIfExists {
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_, err := s.pool.Exec(ctx, db_common.GetDeleteConnectionQuery(failure.ConnectionName))
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if err != nil {
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// NOTE: do not return an error if we fail to remove an invalid connection - just log it
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log.Printf("[WARN] failed to delete invalid connection '%s' (%s) : %s", failure.ConnectionName, failure.Message, err.Error())
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}
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}
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}
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log.Printf("[INFO] executeUpdateQueries complete")
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return
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}
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// convert map update sets (used for dynamic schemas) to an array of the underlying connection states
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func updateSetMapToArray(updateSetMap map[string][]*steampipeconfig.ConnectionState) []*steampipeconfig.ConnectionState {
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var res []*steampipeconfig.ConnectionState
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for _, updates := range updateSetMap {
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res = append(res, updates...)
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}
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return res
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}
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// create/update connections
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func (s *refreshConnectionState) executeUpdatesInParallel(ctx context.Context, updates map[string]*steampipeconfig.ConnectionState) (errors []error) {
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// just call executeUpdateSetsInParallel
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// convert updates to update sets
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updatesAsSets := make(map[string][]*steampipeconfig.ConnectionState, len(updates))
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for k, v := range updates {
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updatesAsSets[k] = []*steampipeconfig.ConnectionState{v}
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}
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return s.executeUpdateSetsInParallel(ctx, updatesAsSets)
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}
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// execute sets of updates in parallel - this is required as for dynamic plugins, we must updated all connections in
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// search path order
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// - for convenience we also use this function for static connections by mapping the input data
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// from map[string]*steampipeconfig.ConnectionState to map[string][]*steampipeconfig.ConnectionState
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func (s *refreshConnectionState) executeUpdateSetsInParallel(ctx context.Context, updates map[string][]*steampipeconfig.ConnectionState) (errors []error) {
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var wg sync.WaitGroup
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var errChan = make(chan *connectionError)
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// default to running a single update at a time
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var maxParallel = int64(1)
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// allow override of this behaviour vis env var
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if envMaxStr, ok := os.LookupEnv("STEAMPIPE_UPDATE_SCHEMA_MAX_PARALLEL"); ok {
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envMax, err := strconv.Atoi(envMaxStr)
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if err == nil {
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maxParallel = int64(envMax)
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}
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}
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log.Printf("[INFO] executeUpdateSetsInParallel - maxParallel= %d", maxParallel)
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sem := semaphore.NewWeighted(maxParallel)
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go func() {
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for {
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select {
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case connectionError := <-errChan:
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if connectionError == nil {
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return
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}
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errors = append(errors, connectionError.err)
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conn, poolErr := s.pool.Acquire(ctx)
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if poolErr == nil {
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s.tableUpdater.onConnectionError(ctx, conn.Conn(), connectionError.name, connectionError.err)
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conn.Release()
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}
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}
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}
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}()
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// allow disabling of schema clone via env var
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var cloneSchemaEnabled = true
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if envClone, ok := os.LookupEnv("STEAMPIPE_CLONE_SCHEMA"); ok {
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cloneSchemaEnabled = strings.ToLower(envClone) == "true"
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}
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log.Printf("[INFO] executeUpdateForConnections - cloneSchema=%v", cloneSchemaEnabled)
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// each update may be multiple connections, to execute in order
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for _, states := range updates {
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wg.Add(1)
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// use semaphore to limit goroutines
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if err := sem.Acquire(ctx, 1); err != nil {
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errors = append(errors, err)
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// if we fail to acquire semaphore, just give up
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return errors
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}
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go func(connectionStates []*steampipeconfig.ConnectionState) {
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defer func() {
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wg.Done()
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sem.Release(1)
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}()
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s.executeUpdateForConnections(ctx, errChan, cloneSchemaEnabled, connectionStates...)
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}(states)
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}
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wg.Wait()
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close(errChan)
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return errors
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}
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// syncronously execute the update queries for one or more connections
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func (s *refreshConnectionState) executeUpdateForConnections(ctx context.Context, errChan chan *connectionError, cloneSchemaEnabled bool, connectionStates ...*steampipeconfig.ConnectionState) {
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for _, connectionState := range connectionStates {
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connectionName := connectionState.ConnectionName
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remoteSchema := utils.PluginFQNToSchemaName(connectionState.Plugin)
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var sql string
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s.exemplarSchemaMapMut.Lock()
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// is this plugin in the exemplarSchemaMap
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exemplarSchemaName, haveExemplarSchema := s.exemplarSchemaMap[connectionState.Plugin]
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if haveExemplarSchema && cloneSchemaEnabled {
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// we can clone!
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sql = getCloneSchemaQuery(exemplarSchemaName, connectionState)
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} else {
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// just get sql to execute update query, and update the connection state table, in a transaction
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sql = db_common.GetUpdateConnectionQuery(connectionName, remoteSchema)
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}
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s.exemplarSchemaMapMut.Unlock()
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// the only error this will return is the failure to update the state table
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// - all other errors are written to the state table
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if err := s.executeUpdateQuery(ctx, sql, connectionName); err != nil {
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errChan <- &connectionError{connectionName, err}
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} else {
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// we can clone this plugin, add to exemplarSchemaMap
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// (AFTER executing the update query)
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if !haveExemplarSchema && connectionState.CanCloneSchema() {
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s.exemplarSchemaMap[connectionState.Plugin] = connectionName
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}
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}
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}
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}
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func (s *refreshConnectionState) executeUpdateQuery(ctx context.Context, sql, connectionName string) error {
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// create a transaction
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tx, err := s.pool.Begin(ctx)
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if err != nil {
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return sperr.WrapWithMessage(err, "failed to create transaction to perform update query")
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}
|
|
defer func() {
|
|
if err != nil {
|
|
tx.Rollback(ctx)
|
|
} else {
|
|
tx.Commit(ctx)
|
|
}
|
|
}()
|
|
|
|
// execute update sql
|
|
_, err = tx.Exec(ctx, sql)
|
|
if err != nil {
|
|
// update failed connections in result
|
|
s.res.AddFailedConnection(connectionName, err.Error())
|
|
|
|
// update the state table
|
|
//(the transaction will be aborted - create a connection for the update)
|
|
if conn, poolErr := s.pool.Acquire(ctx); poolErr == nil {
|
|
defer conn.Release()
|
|
if statusErr := s.tableUpdater.onConnectionError(ctx, conn.Conn(), connectionName, err); statusErr != nil {
|
|
// NOTE: do not return the error - unless we failed to update the connection state table
|
|
return error_helpers.CombineErrorsWithPrefix(fmt.Sprintf("failed to update connection %s and failed to update connection_state table", connectionName), err, statusErr)
|
|
}
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// update state table (inside transaction)
|
|
err = s.tableUpdater.onConnectionReady(ctx, tx.Conn(), connectionName)
|
|
if err != nil {
|
|
return sperr.WrapWithMessage(err, "failed to update connection state table")
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// set connection comments
|
|
|
|
func (s *refreshConnectionState) UpdateCommentsInParallel(ctx context.Context, updates []*steampipeconfig.ConnectionState, plugins map[string]*steampipeconfig.ConnectionPlugin) (errors []error) {
|
|
if !viper.GetBool(constants.ArgSchemaComments) {
|
|
return nil
|
|
}
|
|
|
|
var wg sync.WaitGroup
|
|
var errChan = make(chan *connectionError)
|
|
|
|
// use as many goroutines as we have connections
|
|
var maxUpdateThreads = int64(s.pool.Config().MaxConns)
|
|
sem := semaphore.NewWeighted(maxUpdateThreads)
|
|
|
|
go func() {
|
|
for {
|
|
select {
|
|
case connectionError := <-errChan:
|
|
if connectionError == nil {
|
|
return
|
|
}
|
|
errors = append(errors, connectionError.err)
|
|
// TODO just log errors
|
|
}
|
|
}
|
|
}()
|
|
|
|
// each update may be multiple connections, to execute in order
|
|
for _, connectionState := range updates {
|
|
wg.Add(1)
|
|
// use semaphore to limit goroutines
|
|
if err := sem.Acquire(ctx, 1); err != nil {
|
|
errors = append(errors, err)
|
|
// if we fail to acquire semaphore, just give up
|
|
return errors
|
|
}
|
|
go func(connectionState *steampipeconfig.ConnectionState) {
|
|
defer func() {
|
|
wg.Done()
|
|
sem.Release(1)
|
|
}()
|
|
|
|
s.updateCommentsForConnection(ctx, errChan, plugins, connectionState)
|
|
}(connectionState)
|
|
|
|
}
|
|
|
|
wg.Wait()
|
|
close(errChan)
|
|
|
|
return errors
|
|
}
|
|
|
|
// syncronously execute the comments queries for one or more connections
|
|
func (s *refreshConnectionState) updateCommentsForConnection(ctx context.Context, errChan chan *connectionError, connectionPluginMap map[string]*steampipeconfig.ConnectionPlugin, connectionState *steampipeconfig.ConnectionState) {
|
|
connectionName := connectionState.ConnectionName
|
|
|
|
var sql string
|
|
|
|
// we should have a connectionPlugin loaded for this connection
|
|
connectionPlugin, ok := connectionPluginMap[connectionName]
|
|
if !ok {
|
|
log.Printf("[WARN] no connection plugin loaded for connection '%s', which needs comments updating", connectionName)
|
|
return
|
|
}
|
|
|
|
schema := connectionPlugin.ConnectionMap[connectionName].Schema.Schema
|
|
// just get sql to execute update query, and update the connection state table, in a transaction
|
|
sql = db_common.GetCommentsQueryForPlugin(connectionName, schema)
|
|
|
|
// comment cloning disabled for now
|
|
//// if this schema is static, add to the exemplar map
|
|
//state.exemplarSchemaMapMut.Lock()
|
|
//// is this plugin in the exemplarSchemaMap
|
|
//exemplarSchemaName, haveExemplarSchema := state.exemplarCommentsMap[connectionState.Plugin]
|
|
//if haveExemplarSchema {
|
|
//// we can clone!
|
|
// sql = getCloneCommentsQuery(sql, exemplarSchemaName, connectionState)
|
|
//} else {
|
|
// // get the schema from the connection plugin
|
|
// schema := connectionPluginMap[connectionName].ConnectionMap[connectionName].Schema.Schema
|
|
// // just get sql to execute update query, and update the connection state table, in a transaction
|
|
// sql = db_common.GetCommentsQueryForPlugin(connectionName, schema)
|
|
//}
|
|
//state.exemplarSchemaMapMut.Unlock()
|
|
|
|
// the only error this will return is the failure to update the state table
|
|
// - all other errors are written to the state table
|
|
if err := s.executeCommentQuery(ctx, sql, connectionName); err != nil {
|
|
errChan <- &connectionError{connectionName, err}
|
|
} //else {
|
|
// // we can clone this plugin, add to exemplarCommentsMap
|
|
// // (AFTER executing the update query)
|
|
// if !haveExemplarSchema && connectionState.CanCloneSchema() {
|
|
// state.exemplarCommentsMap[connectionState.Plugin] = connectionName
|
|
// }
|
|
//}
|
|
}
|
|
|
|
func (s *refreshConnectionState) executeCommentQuery(ctx context.Context, sql, connectionName string) error {
|
|
// create a transaction
|
|
tx, err := s.pool.Begin(ctx)
|
|
if err != nil {
|
|
return sperr.WrapWithMessage(err, "failed to create transaction to perform update query")
|
|
}
|
|
defer func() {
|
|
if err != nil {
|
|
tx.Rollback(ctx)
|
|
} else {
|
|
tx.Commit(ctx)
|
|
}
|
|
}()
|
|
|
|
// execute update sql
|
|
_, err = tx.Exec(ctx, sql)
|
|
if err != nil {
|
|
// update the state table
|
|
//(the transaction will be aborted - create a connection for the update)
|
|
if conn, poolErr := s.pool.Acquire(ctx); poolErr == nil {
|
|
defer conn.Release()
|
|
if statusErr := s.tableUpdater.onConnectionError(ctx, conn.Conn(), connectionName, err); statusErr != nil {
|
|
// NOTE: do not return the error - unless we failed to update the connection state table
|
|
return error_helpers.CombineErrorsWithPrefix(fmt.Sprintf("failed to update connection %s and failed to update connection_state table", connectionName), err, statusErr)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// update state table (inside transaction)
|
|
// ignore error
|
|
if err := s.tableUpdater.onConnectionCommentsLoaded(ctx, tx.Conn(), connectionName); err != nil {
|
|
log.Printf("[WARN] failed to set 'comments_set' for connection '%s': %s", connectionName, err.Error())
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func getCloneSchemaQuery(exemplarSchemaName string, connectionState *steampipeconfig.ConnectionState) string {
|
|
return fmt.Sprintf("select clone_foreign_schema('%s', '%s', '%s');", exemplarSchemaName, connectionState.ConnectionName, connectionState.Plugin)
|
|
}
|
|
|
|
func (s *refreshConnectionState) getInitialAndRemainingUpdates() (initialUpdates, remainingUpdates map[string]*steampipeconfig.ConnectionState, dynamicUpdates map[string][]*steampipeconfig.ConnectionState) {
|
|
updates := s.connectionUpdates.Update
|
|
searchPathConnections := s.connectionUpdates.FinalConnectionState.GetFirstSearchPathConnectionForPlugins(s.searchPath)
|
|
|
|
initialUpdates = make(map[string]*steampipeconfig.ConnectionState)
|
|
remainingUpdates = make(map[string]*steampipeconfig.ConnectionState)
|
|
// dynamic plugins must be updated for each plugin in search path order
|
|
// build a map keyed by plugin, with the value the ordered updates for that plugin
|
|
dynamicUpdates = make(map[string][]*steampipeconfig.ConnectionState)
|
|
|
|
// convert this into a lookup of initial updates to execute
|
|
for _, connectionName := range searchPathConnections {
|
|
if connectionState, updateRequired := updates[connectionName]; updateRequired {
|
|
if connectionState.SchemaMode == plugin.SchemaModeDynamic {
|
|
dynamicUpdates[connectionState.Plugin] = append(dynamicUpdates[connectionState.Plugin], connectionState)
|
|
} else {
|
|
initialUpdates[connectionName] = connectionState
|
|
}
|
|
}
|
|
}
|
|
// now add remaining updates to remainingUpdates
|
|
for connectionName, connectionState := range updates {
|
|
if _, isInitialUpdate := initialUpdates[connectionName]; !isInitialUpdate {
|
|
remainingUpdates[connectionName] = connectionState
|
|
}
|
|
|
|
}
|
|
return initialUpdates, remainingUpdates, dynamicUpdates
|
|
}
|
|
|
|
func (s *refreshConnectionState) executeDeleteQueries(ctx context.Context, deletions []string) error {
|
|
t := time.Now()
|
|
log.Printf("[INFO] execute %d delete %s", len(deletions), utils.Pluralize("query", len(deletions)))
|
|
defer func() {
|
|
log.Printf("[INFO] completed execute delete queries (%fs)", time.Since(t).Seconds())
|
|
}()
|
|
|
|
var errors []error
|
|
|
|
for _, c := range deletions {
|
|
err := s.executeDeleteQuery(ctx, c)
|
|
if err != nil {
|
|
errors = append(errors, err)
|
|
}
|
|
}
|
|
return error_helpers.CombineErrors(errors...)
|
|
}
|
|
|
|
// delete the schema and update remove the connection from the state table
|
|
// NOTE: this only returns an error if we fail to update the state table
|
|
func (s *refreshConnectionState) executeDeleteQuery(ctx context.Context, connectionName string) error {
|
|
// create a transaction
|
|
tx, err := s.pool.Begin(ctx)
|
|
if err != nil {
|
|
return sperr.WrapWithMessage(err, "failed to create transaction to perform delete query")
|
|
}
|
|
defer func() {
|
|
if err != nil {
|
|
tx.Rollback(ctx)
|
|
} else {
|
|
tx.Commit(ctx)
|
|
}
|
|
}()
|
|
|
|
sql := db_common.GetDeleteConnectionQuery(connectionName)
|
|
|
|
// execute delete sql
|
|
_, err = tx.Exec(ctx, sql)
|
|
if err != nil {
|
|
// update the state table
|
|
//(the transaction will be aborted - create a connection for the update)
|
|
if conn, poolErr := s.pool.Acquire(ctx); poolErr == nil {
|
|
defer conn.Release()
|
|
if statusErr := s.tableUpdater.onConnectionError(ctx, conn.Conn(), connectionName, err); statusErr != nil {
|
|
// NOTE: do not return the error - unless we failed to update the connection state table
|
|
return error_helpers.CombineErrorsWithPrefix(fmt.Sprintf("failed to update connection %s and failed to update connection_state table", connectionName), err, statusErr)
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// delete state table entry (inside transaction)
|
|
err = s.tableUpdater.onConnectionDeleted(ctx, tx.Conn(), connectionName)
|
|
if err != nil {
|
|
return sperr.WrapWithMessage(err, "failed to delete connection state table entry for '%s'", connectionName)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// set the state of any incomplete connections to error
|
|
func (s *refreshConnectionState) setIncompleteConnectionStateToError(ctx context.Context, err error) {
|
|
// create wrapped error
|
|
connectionStateError := sperr.WrapWithMessage(err, "failed to update Steampipe connections")
|
|
// load connection state
|
|
conn, err := s.pool.Acquire(ctx)
|
|
if err != nil {
|
|
log.Printf("[WARN] setAllConnectionStateToError failed to acquire connection from pool: %s", err.Error())
|
|
return
|
|
}
|
|
defer conn.Release()
|
|
|
|
query := connection_state.GetIncompleteConnectionStateErrorSql(connectionStateError)
|
|
|
|
if _, err = db_local.ExecuteSqlWithArgsInTransaction(ctx, conn.Conn(), query); err != nil {
|
|
log.Printf("[WARN] setAllConnectionStateToError failed to set connection states to error: %s", err.Error())
|
|
return
|
|
}
|
|
}
|
|
|
|
// OnConnectionsChanged is the callback function invoked by the connection watcher when connections are added or removed
|
|
func (s *refreshConnectionState) sendPostgreSchemaNotification(ctx context.Context) error {
|
|
conn, err := s.pool.Acquire(ctx)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
defer conn.Release()
|
|
notification := steampipeconfig.NewSchemaUpdateNotification(steampipeconfig.PgNotificationSchemaUpdate)
|
|
return db_local.SendPostgresNotification(ctx, conn.Conn(), notification)
|
|
}
|