6c72c894f7
* Initial code to implement multi-instance queue manager * alter default mqsc to prevent race between listeners on standby startup * Updates to multi-instance queue manager code * initial multi instance test * Multi-instance code improvements * Multi instance fixes and first test * configure queue manager * Add mirror log filtering for mult-instance QMs * Add log message for multi-instance enabled * Improvements to container runtime logging * refactor test * Test active standby switch * Improve createQueueManager function * Test multi instance race * wait * multi instance mount tests * skip race test * mount tests * no mount test * single instance split mount tests * readiness check * More updates for handling standby queue manager * Improve standby checks * Minor fixes to miqm * Fix logging of JSON errors * Update copyrights * Fix log includes
104 lines
3.4 KiB
Go
104 lines
3.4 KiB
Go
/*
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© Copyright IBM Corporation 2017, 2019
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package logruntime
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import (
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"fmt"
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"os"
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"runtime"
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"strings"
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containerruntime "github.com/ibm-messaging/mq-container/internal/containerruntime"
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"github.com/ibm-messaging/mq-container/internal/logger"
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"github.com/ibm-messaging/mq-container/internal/user"
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)
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// LogContainerDetails logs details about the container runtime
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func LogContainerDetails(log *logger.Logger) error {
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if runtime.GOOS != "linux" {
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return fmt.Errorf("Unsupported platform: %v", runtime.GOOS)
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}
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log.Printf("CPU architecture: %v", runtime.GOARCH)
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kv, err := containerruntime.GetKernelVersion()
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if err == nil {
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log.Printf("Linux kernel version: %v", kv)
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}
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cr, err := containerruntime.GetContainerRuntime()
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if err == nil {
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log.Printf("Container runtime: %v", cr)
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}
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bi, err := containerruntime.GetBaseImage()
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if err == nil {
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log.Printf("Base image: %v", bi)
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}
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u, err := user.GetUser()
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if err == nil {
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if len(u.SupplementalGID) == 0 {
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log.Printf("Running as user ID %v (%v) with primary group %v", u.UID, u.Name, u.PrimaryGID)
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} else {
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log.Printf("Running as user ID %v (%v) with primary group %v, and supplementary groups %v", u.UID, u.Name, u.PrimaryGID, strings.Join(u.SupplementalGID, ","))
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}
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}
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caps, err := containerruntime.GetCapabilities()
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capLogged := false
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if err == nil {
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for k, v := range caps {
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if len(v) > 0 {
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log.Printf("Capabilities (%s set): %v", strings.ToLower(k), strings.Join(v, ","))
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capLogged = true
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}
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}
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if !capLogged {
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log.Print("Capabilities: none")
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}
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} else {
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log.Errorf("Error getting capabilities: %v", err)
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}
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sc, err := containerruntime.GetSeccomp()
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if err == nil {
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log.Printf("seccomp enforcing mode: %v", sc)
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}
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log.Printf("Process security attributes: %v", containerruntime.GetSecurityAttributes())
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m, err := containerruntime.GetMounts()
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if err == nil {
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if len(m) == 0 {
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log.Print("No volume detected. Persistent messages may be lost")
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} else {
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for mountPoint, fsType := range m {
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log.Printf("Detected '%v' volume mounted to %v", fsType, mountPoint)
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if !containerruntime.SupportedFilesystem(fsType) {
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return fmt.Errorf("%v uses unsupported filesystem type: %v", mountPoint, fsType)
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}
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}
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}
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}
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// For a multi-instance queue manager - check all required mounts exist & validate filesystem type
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if os.Getenv("MQ_MULTI_INSTANCE") == "true" {
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log.Println("Multi-instance queue manager: enabled")
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reqMounts := []string{"/mnt/mqm", "/mnt/mqm-log", "/mnt/mqm-data"}
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for _, mountPoint := range reqMounts {
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if fsType, ok := m[mountPoint]; ok {
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if !containerruntime.ValidMultiInstanceFilesystem(fsType) {
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return fmt.Errorf("%v uses filesystem type '%v' which is invalid for a multi-instance queue manager", mountPoint, fsType)
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}
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} else {
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return fmt.Errorf("Missing required mount '%v' for a multi-instance queue manager", mountPoint)
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}
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}
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}
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return nil
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}
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