github.com/argoproj/argo-cd/v2@v2.10.5/docs/operator-manual/server-commands/argocd-application-controller.md

# `argocd-application-controller` Command Reference

## argocd-application-controller

Run ArgoCD Application Controller

### Synopsis

ArgoCD application controller is a Kubernetes controller that continuously monitors running applications and compares the current, live state against the desired target state (as specified in the repo). This command runs Application Controller in the foreground.  It can be configured by following options.

```
argocd-application-controller [flags]
```

### Options

```
      --app-hard-resync int                    Time period in seconds for application hard resync.
      --app-resync int                         Time period in seconds for application resync. (default 180)
      --app-resync-jitter int                  Maximum time period in seconds to add as a delay jitter for application resync.
      --app-state-cache-expiration duration    Cache expiration for app state (default 1h0m0s)
      --application-namespaces strings         List of additional namespaces that applications are allowed to be reconciled from
      --as string                              Username to impersonate for the operation
      --as-group stringArray                   Group to impersonate for the operation, this flag can be repeated to specify multiple groups.
      --as-uid string                          UID to impersonate for the operation
      --certificate-authority string           Path to a cert file for the certificate authority
      --client-certificate string              Path to a client certificate file for TLS
      --client-key string                      Path to a client key file for TLS
      --cluster string                         The name of the kubeconfig cluster to use
      --context string                         The name of the kubeconfig context to use
      --default-cache-expiration duration      Cache expiration default (default 24h0m0s)
      --disable-compression                    If true, opt-out of response compression for all requests to the server
      --dynamic-cluster-distribution-enabled   Enables dynamic cluster distribution.
      --gloglevel int                          Set the glog logging level
  -h, --help                                   help for argocd-application-controller
      --insecure-skip-tls-verify               If true, the server's certificate will not be checked for validity. This will make your HTTPS connections insecure
      --kubeconfig string                      Path to a kube config. Only required if out-of-cluster
      --kubectl-parallelism-limit int          Number of allowed concurrent kubectl fork/execs. Any value less than 1 means no limit. (default 20)
      --logformat string                       Set the logging format. One of: text|json (default "text")
      --loglevel string                        Set the logging level. One of: debug|info|warn|error (default "info")
      --metrics-application-labels strings     List of Application labels that will be added to the argocd_application_labels metric
      --metrics-cache-expiration duration      Prometheus metrics cache expiration (disabled  by default. e.g. 24h0m0s)
      --metrics-port int                       Start metrics server on given port (default 8082)
  -n, --namespace string                       If present, the namespace scope for this CLI request
      --operation-processors int               Number of application operation processors (default 10)
      --otlp-address string                    OpenTelemetry collector address to send traces to
      --otlp-attrs strings                     List of OpenTelemetry collector extra attrs when send traces, each attribute is separated by a colon(e.g. key:value)
      --otlp-headers stringToString            List of OpenTelemetry collector extra headers sent with traces, headers are comma-separated key-value pairs(e.g. key1=value1,key2=value2) (default [])
      --otlp-insecure                          OpenTelemetry collector insecure mode (default true)
      --password string                        Password for basic authentication to the API server
      --persist-resource-health                Enables storing the managed resources health in the Application CRD (default true)
      --proxy-url string                       If provided, this URL will be used to connect via proxy
      --redis string                           Redis server hostname and port (e.g. argocd-redis:6379). 
      --redis-ca-certificate string            Path to Redis server CA certificate (e.g. /etc/certs/redis/ca.crt). If not specified, system trusted CAs will be used for server certificate validation.
      --redis-client-certificate string        Path to Redis client certificate (e.g. /etc/certs/redis/client.crt).
      --redis-client-key string                Path to Redis client key (e.g. /etc/certs/redis/client.crt).
      --redis-compress string                  Enable compression for data sent to Redis with the required compression algorithm. (possible values: gzip, none) (default "gzip")
      --redis-insecure-skip-tls-verify         Skip Redis server certificate validation.
      --redis-use-tls                          Use TLS when connecting to Redis. 
      --redisdb int                            Redis database.
      --repo-error-grace-period-seconds int    Grace period in seconds for ignoring consecutive errors while communicating with repo server. (default 180)
      --repo-server string                     Repo server address. (default "argocd-repo-server:8081")
      --repo-server-plaintext                  Disable TLS on connections to repo server
      --repo-server-strict-tls                 Whether to use strict validation of the TLS cert presented by the repo server
      --repo-server-timeout-seconds int        Repo server RPC call timeout seconds. (default 60)
      --request-timeout string                 The length of time to wait before giving up on a single server request. Non-zero values should contain a corresponding time unit (e.g. 1s, 2m, 3h). A value of zero means don't timeout requests. (default "0")
      --self-heal-timeout-seconds int          Specifies timeout between application self heal attempts (default 5)
      --sentinel stringArray                   Redis sentinel hostname and port (e.g. argocd-redis-ha-announce-0:6379). 
      --sentinelmaster string                  Redis sentinel master group name. (default "master")
      --server string                          The address and port of the Kubernetes API server
      --server-side-diff-enabled               Feature flag to enable ServerSide diff. Default ("false")
      --sharding-method string                 Enables choice of sharding method. Supported sharding methods are : [legacy, round-robin]  (default "legacy")
      --status-processors int                  Number of application status processors (default 20)
      --tls-server-name string                 If provided, this name will be used to validate server certificate. If this is not provided, hostname used to contact the server is used.
      --token string                           Bearer token for authentication to the API server
      --user string                            The name of the kubeconfig user to use
      --username string                        Username for basic authentication to the API server
      --wq-backoff-factor float                Set Workqueue Per Item Rate Limiter Backoff Factor, default is 1.5 (default 1.5)
      --wq-basedelay-ns duration               Set Workqueue Per Item Rate Limiter Base Delay duration in nanoseconds, default 1000000 (1ms) (default 1ms)
      --wq-bucket-qps float                    Set Workqueue Rate Limiter Bucket QPS, default set to MaxFloat64 which disables the bucket limiter (default 1.7976931348623157e+308)
      --wq-bucket-size int                     Set Workqueue Rate Limiter Bucket Size, default 500 (default 500)
      --wq-cooldown-ns duration                Set Workqueue Per Item Rate Limiter Cooldown duration in ns, default 0(per item rate limiter disabled)
      --wq-maxdelay-ns duration                Set Workqueue Per Item Rate Limiter Max Delay duration in nanoseconds, default 1000000000 (1s) (default 1s)
```