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@@ -1,372 +0,0 @@
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-package porter_error
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-
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-import (
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- "fmt"
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- "regexp"
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- "strings"
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-)
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-
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-const restartedWithErrorCodePattern = `restarted with exit code (\S+)`
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-
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-// ErrorDetailsProvider is the parent interface for populating user-facing info about a Porter Error.
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-type ErrorDetailsProvider interface {
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- // Detail returns the error detail for the given error. E.g. "The service restarted with exit code 137."
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- Detail(rawAgentDetail string) string
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- // MitigationSteps returns the mitigation steps for the given error. E.g. "Please make sure that your service handles graceful shutdown when it receives a SIGTERM signal."
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- MitigationSteps(rawAgentDetail string) string
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- // Documentation returns the documentation links that would help with troubleshooting the given error.
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- Documentation(rawAgentDetail string) []string
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-}
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-
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-// ErrorCodeToProvider maps PorterErrorCode to their respective ErrorDetailsProvider implementations.
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-var ErrorCodeToProvider = map[PorterErrorCode]ErrorDetailsProvider{
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- PorterErrorCode_NonZeroExitCode: NonZeroExitCodeErrorProvider{},
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- PorterErrorCode_NonZeroExitCode_SIGKILL: NonZeroExitCodeErrorProvider{},
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- PorterErrorCode_NonZeroExitCode_InvalidStartCommand: NonZeroExitCodeErrorProvider{},
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- PorterErrorCode_NonZeroExitCode_CommonIssues: NonZeroExitCodeErrorProvider{},
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- PorterErrorCode_LivenessHealthCheck: LivenessHealthCheckErrorProvider{},
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- PorterErrorCode_ReadinessHealthCheck: ReadinessHealthCheckErrorProvider{},
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- PorterErrorCode_RestartedDueToError: RestartedDueToErrorProvider{},
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- PorterErrorCode_InvalidImageError: InvalidImageErrorProvider{},
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- PorterErrorCode_MemoryLimitExceeded: MemoryLimitExceededErrorProvider{},
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- PorterErrorCode_MemoryLimitExceeded_ScaleUp: MemoryLimitExceededScaleUpErrorProvider{},
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- PorterErrorCode_CPULimitExceeded: CPULimitExceededErrorProvider{},
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- PorterErrorCode_CPULimitExceeded_ScaleUp: CPULimitExceededScaleUpErrorProvider{},
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- PorterErrorCode_CannotBeScheduled: CannotBeScheduledErrorProvider{},
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-}
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-
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-// NonZeroExitCodeErrorProvider provides error details for NonZeroExitCode errors.
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-type NonZeroExitCodeErrorProvider struct{}
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-
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-// Detail returns the error detail for NonZeroExitCode errors, parsing out the exit code from the agent event.
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-func (e NonZeroExitCodeErrorProvider) Detail(rawAgentDetail string) string {
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- humanReadableDetail := rawAgentDetail
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- // Example detail from the agent: "restarted with exit code 137"
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- // We want to get the exit code
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- regex := regexp.MustCompile(restartedWithErrorCodePattern)
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- matches := regex.FindStringSubmatch(humanReadableDetail)
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- if len(matches) != 2 {
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- return humanReadableDetail
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- }
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-
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- exitCode := matches[1]
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- prefix := fmt.Sprintf("The service restarted with exit code %s.", exitCode)
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- switch exitCode {
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- case "137":
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- return fmt.Sprintf("%s This indicates that the service was killed by SIGKILL. The most common reason for this is that your service does not handle graceful shutdown when it receives a SIGTERM signal.", prefix)
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- case "1":
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- return fmt.Sprintf("%s This indicates common issues.", prefix)
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- case "127":
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- return fmt.Sprintf("%s This indicates that the service has a misconfigured start command.", prefix)
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- default:
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- return prefix
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- }
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-}
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-
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-// MitigationSteps returns the mitigation steps for NonZeroExitCode errors, parsing out the exit code from the agent event.
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-func (e NonZeroExitCodeErrorProvider) MitigationSteps(rawAgentDetail string) string {
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- mitigationSteps := "Please consult our documentation for further guidance. If you need additional help, please reach out to us at support@porter.run."
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- // Example detail from the agent: "restarted with exit code 137"
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- // We want to get the exit code
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- regex := regexp.MustCompile(restartedWithErrorCodePattern)
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- matches := regex.FindStringSubmatch(rawAgentDetail)
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- if len(matches) != 2 {
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- return mitigationSteps
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- }
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-
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- exitCode := matches[1]
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- switch exitCode {
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- case "137":
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- return "Please make sure that your service handles graceful shutdown when it receives a SIGTERM signal. After receiving SIGTERM, your service should close existing connections and terminate with exit code 0."
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- case "1":
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- return "Check container logs for further troubleshooting."
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- case "127":
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- return "Please verify that the service start command is correct and redeploy."
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- default:
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- return mitigationSteps
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- }
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-}
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-
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-// Documentation returns the documentation links for NonZeroExitCode errors, parsing out the exit code from the agent event.
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-func (e NonZeroExitCodeErrorProvider) Documentation(rawAgentDetail string) []string {
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- docLinks := []string{
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- "https://docs.porter.run/enterprise/managing-applications/application-troubleshooting#application-issues-and-non-zero-exit-codes",
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- }
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- // Example detail from the agent: "restarted with exit code 137"
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- // We want to get the exit code
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- regex := regexp.MustCompile(restartedWithErrorCodePattern)
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- matches := regex.FindStringSubmatch(rawAgentDetail)
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- if len(matches) != 2 {
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- return docLinks
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- }
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-
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- exitCode := matches[1]
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- switch exitCode {
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- case "137":
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- docLinks = append(docLinks, "https://docs.porter.run/enterprise/deploying-applications/zero-downtime-deployments#graceful-shutdown")
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- }
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-
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- return docLinks
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-}
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-
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-// LivenessHealthCheckErrorProvider provides error details for LivenessHealthCheck errors.
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-type LivenessHealthCheckErrorProvider struct{}
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-
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-// Detail returns the error detail for LivenessHealthCheck errors, parsing out the healthcheck endpoint from the agent event.
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-func (e LivenessHealthCheckErrorProvider) Detail(rawAgentDetail string) string {
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- humanReadableDetail := rawAgentDetail
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- // Example detail from the agent: "...Your liveness health check is set to the path /healthz..."
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- // We want to strip out the path
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- pattern := `Your liveness health check is set to the path (\S+)\.`
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- regex := regexp.MustCompile(pattern)
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- matches := regex.FindStringSubmatch(humanReadableDetail)
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- if len(matches) != 2 {
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- return humanReadableDetail
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- }
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- pathValue := matches[1]
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- return fmt.Sprintf("The liveness health check for this service is set to the path %s. The service is not responding with a 200-level response code on this endpoint, so it is continuously restarting.", pathValue)
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-}
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-
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-// MitigationSteps returns the mitigation steps for LivenessHealthCheck errors, parsing out the healthcheck endpoint from the agent event.
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-func (e LivenessHealthCheckErrorProvider) MitigationSteps(rawAgentDetail string) string {
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- mitigationSteps := "Please make sure that your service responds with a 200-level response code on the liveness health check endpoint."
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- // Example detail from the agent: "...Your liveness health check is set to the path /healthz..."
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- // We want to strip out the path
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- pattern := `Your liveness health check is set to the path (\S+)\.`
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- regex := regexp.MustCompile(pattern)
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- matches := regex.FindStringSubmatch(rawAgentDetail)
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- if len(matches) != 2 {
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- return mitigationSteps
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- }
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- pathValue := matches[1]
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- return fmt.Sprintf("Please make sure that your service responds with a 200-level response code on the liveness health check endpoint %s.", pathValue)
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-}
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-
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-// Documentation returns the documentation links for LivenessHealthCheck errors.
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-func (e LivenessHealthCheckErrorProvider) Documentation(rawAgentDetail string) []string {
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- return []string{
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- "https://docs.porter.run/standard/deploying-applications/zero-downtime-deployments#health-checks",
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- "https://docs.porter.run/standard/deploying-applications/zero-downtime-deployments#graceful-shutdown",
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- }
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-}
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-
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-// ReadinessHealthCheckErrorProvider provides error details for ReadinessHealthCheck errors.
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-type ReadinessHealthCheckErrorProvider struct{}
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-
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-// Detail returns the error detail for ReadinessHealthCheck errors, parsing out the healthcheck endpoint from the agent event.
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-func (e ReadinessHealthCheckErrorProvider) Detail(rawAgentDetail string) string {
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- humanReadableDetail := rawAgentDetail
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- // Example detail from the agent: "...Your readiness health check is set to the path /healthz..."
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- // We want to strip out the path
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- pattern := `Your readiness health check is set to the path (\S+)\.`
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- regex := regexp.MustCompile(pattern)
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- matches := regex.FindStringSubmatch(humanReadableDetail)
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- if len(matches) != 2 {
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- return humanReadableDetail
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- }
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- pathValue := matches[1]
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- return fmt.Sprintf("The readiness health check for this service is set to the path %s. The service is not responding with a 200-level response code on this endpoint, so it is continuously restarting.", pathValue)
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-}
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-
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-// MitigationSteps returns the mitigation steps for ReadinessHealthCheck errors, parsing out the healthcheck endpoint from the agent event.
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-func (e ReadinessHealthCheckErrorProvider) MitigationSteps(rawAgentDetail string) string {
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- mitigationSteps := "Please make sure that your service responds with a 200-level response code on the readiness health check endpoint."
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- // Example detail from the agent: "...Your readiness health check is set to the path /healthz..."
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- // We want to strip out the path
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- pattern := `Your readiness health check is set to the path (\S+)\.`
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- regex := regexp.MustCompile(pattern)
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- matches := regex.FindStringSubmatch(rawAgentDetail)
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- if len(matches) != 2 {
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- return mitigationSteps
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- }
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- pathValue := matches[1]
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- return fmt.Sprintf("Please make sure that your service responds with a 200-level response code on the readiness health check endpoint %s.", pathValue)
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-}
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-
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-// Documentation returns the documentation links for ReadinessHealthCheck errors.
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-func (e ReadinessHealthCheckErrorProvider) Documentation(rawAgentDetail string) []string {
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- return []string{
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- "https://docs.porter.run/standard/deploying-applications/zero-downtime-deployments#health-checks",
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- "https://docs.porter.run/standard/deploying-applications/zero-downtime-deployments#graceful-shutdown",
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- }
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-}
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-
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-// RestartedDueToErrorProvider provides error details for RestartedDueToError errors.
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-type RestartedDueToErrorProvider struct{}
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-
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-// Detail returns the error detail for RestartedDueToError errors.
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-func (e RestartedDueToErrorProvider) Detail(rawAgentDetail string) string {
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- return "The service is stuck in a restart loop. This is likely due to other errors."
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-}
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-
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-// MitigationSteps returns the mitigation steps for RestartedDueToError errors.
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-func (e RestartedDueToErrorProvider) MitigationSteps(rawAgentDetail string) string {
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- return "Please address other errors if they exist, or check service logs for further troubleshooting."
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-}
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-
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-// Documentation returns the documentation links for RestartedDueToError errors.
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-func (e RestartedDueToErrorProvider) Documentation(rawAgentDetail string) []string {
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- return []string{
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- "https://docs.porter.run/enterprise/managing-applications/application-troubleshooting#application-restarts",
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- }
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-}
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-
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-// InvalidImageErrorProvider provides error details for InvalidImageError errors.
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-type InvalidImageErrorProvider struct{}
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-
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-// Detail returns the error detail for InvalidImageError errors.
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-func (e InvalidImageErrorProvider) Detail(rawAgentDetail string) string {
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- return "The service cannot pull from the image registry. This is likely due to an invalid image name or bad credentials."
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-}
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-
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-// MitigationSteps returns the mitigation steps for InvalidImageError errors.
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-func (e InvalidImageErrorProvider) MitigationSteps(rawAgentDetail string) string {
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- return "Please double check that your image name is correct and that the tag specified exists for that image. If you are attempting to pull from a private registry, please make sure that the registry is correctly linked to your project. You can verify this by going to the Integrations tab -> Docker registry and ensuring that your image repository is listed there."
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-}
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-
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-// Documentation returns the documentation links for InvalidImageError errors.
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-func (e InvalidImageErrorProvider) Documentation(rawAgentDetail string) []string {
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- return []string{
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- "https://docs.porter.run/enterprise/managing-applications/application-troubleshooting#image-pull-errors",
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- "https://docs.porter.run/enterprise/deploying-applications/deploying-from-docker-registry",
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- }
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-}
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-
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-// MemoryLimitExceededErrorProvider provides error details for MemoryLimitExceededError errors.
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-type MemoryLimitExceededErrorProvider struct{}
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-
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-// Detail returns the error detail for MemoryLimitExceededError errors, parsing out the memory limit from the agent event.
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-func (e MemoryLimitExceededErrorProvider) Detail(rawAgentDetail string) string {
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- detail := "The service exceeded its memory limit. This may be caused by other errors."
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- // Example detail from the agent: "Your service was restarted because it exceeded its memory limit of 4M..."
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- // We want to get the memory limit
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- pattern := `exceeded its memory limit of (\S+)\.`
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- regex := regexp.MustCompile(pattern)
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- matches := regex.FindStringSubmatch(rawAgentDetail)
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- if len(matches) != 2 {
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- return detail
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- }
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- memoryLimit := matches[1]
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-
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- return fmt.Sprintf("The service exceeded its memory limit of %s. This may be caused by other errors.", memoryLimit)
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-}
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-
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-// MitigationSteps returns the mitigation steps for MemoryLimitExceededError errors.
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-func (e MemoryLimitExceededErrorProvider) MitigationSteps(rawAgentDetail string) string {
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- return "If other errors exist, address them first. Otherwise, please reduce the memory allocation for the service, then redeploy. Alternatively, you can choose a machine type with higher resource limits in the Advanced settings under the Infrastructure tab."
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-}
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-
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-// Documentation returns the documentation links for MemoryLimitExceededError errors.
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-func (e MemoryLimitExceededErrorProvider) Documentation(rawAgentDetail string) []string {
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- return []string{
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- "https://docs.porter.run/standard/deploying-applications/runtime-configuration-options/web-applications#resources",
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- }
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-}
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-
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-// MemoryLimitExceededScaleUpErrorProvider provides error details for MemoryLimitExceededError_ScaleUp errors that occur.
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-type MemoryLimitExceededScaleUpErrorProvider struct{}
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-
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-// Detail returns the error detail for MemoryLimitExceededError_ScaleUp errors.
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-func (e MemoryLimitExceededScaleUpErrorProvider) Detail(rawAgentDetail string) string {
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- return "The service is requesting more memory than the underlying infrastructure can provide."
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-}
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-
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-// MitigationSteps returns the mitigation steps for MemoryLimitExceededError_ScaleUp errors.
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-func (e MemoryLimitExceededScaleUpErrorProvider) MitigationSteps(rawAgentDetail string) string {
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- return "Please reduce the memory allocation for the service, then redeploy. Alternatively, you can choose a machine type with higher resource limits in Infrastructure -> Advanced settings."
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-}
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-
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-// Documentation returns the documentation links for MemoryLimitExceededError_ScaleUp errors.
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-func (e MemoryLimitExceededScaleUpErrorProvider) Documentation(rawAgentDetail string) []string {
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- return []string{
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- "https://docs.porter.run/standard/deploying-applications/runtime-configuration-options/web-applications#resources",
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- "https://docs.porter.run/other/kubernetes-101#resources",
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- }
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-}
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-
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-// CPULimitExceededErrorProvider provides error details for CPULimitExceededError errors.
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-type CPULimitExceededErrorProvider struct{}
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-
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-// Detail returns the error detail for CPULimitExceededError errors.
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-func (e CPULimitExceededErrorProvider) Detail(rawAgentDetail string) string {
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- return "The service exceeded its CPU limit. This may be caused by other errors."
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-}
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-
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-// MitigationSteps returns the mitigation steps for CPULimitExceededError errors.
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-func (e CPULimitExceededErrorProvider) MitigationSteps(rawAgentDetail string) string {
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- return "If other errors exist, address them first. Otherwise, please reduce the CPU allocation for the service, then redeploy. Alternatively, you can choose a machine type with higher resource limits in Infrastructure -> Advanced settings."
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-}
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-
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-// Documentation returns the documentation links for CPULimitExceededError errors.
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-func (e CPULimitExceededErrorProvider) Documentation(rawAgentDetail string) []string {
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- return []string{
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- "https://docs.porter.run/standard/deploying-applications/runtime-configuration-options/web-applications#resources",
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- }
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-}
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-
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-// CPULimitExceededScaleUpErrorProvider provides error details for CPULimitExceededError_ScaleUp errors that occur.
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-type CPULimitExceededScaleUpErrorProvider struct{}
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-
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-// Detail returns the error detail for CPULimitExceededError_ScaleUp errors.
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-func (e CPULimitExceededScaleUpErrorProvider) Detail(rawAgentDetail string) string {
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- return "The service is requesting more CPU than the underlying infrastructure can provide."
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-}
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-
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-// MitigationSteps returns the mitigation steps for CPULimitExceededError_ScaleUp errors.
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-func (e CPULimitExceededScaleUpErrorProvider) MitigationSteps(rawAgentDetail string) string {
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- return "Please reduce the CPU allocation for the service, then redeploy. Alternatively, you can choose a machine type with higher resource limits in Infrastructure -> Advanced settings."
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-}
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-
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-// Documentation returns the documentation links for CPULimitExceededError_ScaleUp errors.
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-func (e CPULimitExceededScaleUpErrorProvider) Documentation(rawAgentDetail string) []string {
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- return []string{
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- "https://docs.porter.run/standard/deploying-applications/runtime-configuration-options/web-applications#resources",
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- "https://docs.porter.run/other/kubernetes-101#resources",
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- }
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-}
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-
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-// CannotBeScheduledErrorProvider provides error details for CannotBeScheduledError errors.
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-type CannotBeScheduledErrorProvider struct{}
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-
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-// Detail returns the error detail for CannotBeScheduledError errors.
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-func (e CannotBeScheduledErrorProvider) Detail(rawAgentDetail string) string {
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- prefix := "The service cannot be scheduled to run on the underlying infrastructure"
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- lowercaseDetail := strings.ToLower(rawAgentDetail)
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- if strings.Contains(lowercaseDetail, "insufficient cpu") && strings.Contains(lowercaseDetail, "insufficient memory") {
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- return fmt.Sprintf("%s because the service is requesting too much CPU and memory.", prefix)
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- }
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- if strings.Contains(lowercaseDetail, "insufficient cpu") {
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- return fmt.Sprintf("%s because the service is requesting too much CPU.", prefix)
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- }
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- if strings.Contains(lowercaseDetail, "Insufficient memory") {
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- return fmt.Sprintf("%s because the service is requesting too much memory.", prefix)
|
|
|
- }
|
|
|
-
|
|
|
- return fmt.Sprintf("%s.", prefix)
|
|
|
-}
|
|
|
-
|
|
|
-// MitigationSteps returns the mitigation steps for CannotBeScheduledError errors.
|
|
|
-func (e CannotBeScheduledErrorProvider) MitigationSteps(rawAgentDetail string) string {
|
|
|
- lowercaseDetail := strings.ToLower(rawAgentDetail)
|
|
|
- suffix := "Alternatively, you can choose a machine type with higher resource limits in Infrastructure -> Advanced settings."
|
|
|
-
|
|
|
- if strings.Contains(lowercaseDetail, "insufficient cpu") && strings.Contains(lowercaseDetail, "insufficient memory") {
|
|
|
- return fmt.Sprintf("Please reduce the CPU and memory allocation for the service, then redeploy. %s", suffix)
|
|
|
- }
|
|
|
- if strings.Contains(lowercaseDetail, "insufficient cpu") {
|
|
|
- return fmt.Sprintf("Please reduce the CPU allocation for the service, then redeploy. %s", suffix)
|
|
|
- }
|
|
|
- if strings.Contains(lowercaseDetail, "Insufficient memory") {
|
|
|
- return fmt.Sprintf("Please reduce the memory allocation for the service, then redeploy. %s", suffix)
|
|
|
- }
|
|
|
-
|
|
|
- return fmt.Sprintf("Please try reducing the CPU and memory allocation for the service, then redeploy. %s", suffix)
|
|
|
-}
|
|
|
-
|
|
|
-// Documentation returns the documentation links for CannotBeScheduledError errors.
|
|
|
-func (e CannotBeScheduledErrorProvider) Documentation(rawAgentDetail string) []string {
|
|
|
- return []string{
|
|
|
- "https://docs.porter.run/standard/deploying-applications/runtime-configuration-options/web-applications#resources",
|
|
|
- "https://docs.porter.run/other/kubernetes-101#resources",
|
|
|
- }
|
|
|
-}
|
Feroze Mohideen