feat: add IoT provider support and related credentials definitions

CMakeLists.txt

@@ -299,6 +299,7 @@ if(FLB_ALL)
   set(FLB_OUT_NULL        1)
   set(FLB_OUT_PLOT        1)
   set(FLB_OUT_FILE        1)
+  set(FLB_OUT_LOGROTATE   1)
   set(FLB_OUT_RETRY       1)
   set(FLB_OUT_TD          1)
   set(FLB_OUT_STDOUT      1)

cmake/plugins_options.cmake

@@ -117,6 +117,7 @@ DEFINE_OPTION(FLB_OUT_DATADOG                 "Enable DataDog output plugin"
 DEFINE_OPTION(FLB_OUT_ES                      "Enable Elasticsearch output plugin"           ON)
 DEFINE_OPTION(FLB_OUT_EXIT                    "Enable Exit output plugin"                    ON)
 DEFINE_OPTION(FLB_OUT_FILE                    "Enable file output plugin"                    ON)
+DEFINE_OPTION(FLB_OUT_LOGROTATE               "Enable logrotate output plugin"               ON)
 DEFINE_OPTION(FLB_OUT_FLOWCOUNTER             "Enable flowcount output plugin"               ON)
 DEFINE_OPTION(FLB_OUT_FORWARD                 "Enable Forward output plugin"                 ON)
 DEFINE_OPTION(FLB_OUT_GELF                    "Enable GELF output plugin"                    ON)

cmake/windows-setup.cmake

@@ -100,6 +100,7 @@ if(FLB_WINDOWS_DEFAULTS)
   set(FLB_OUT_NATS               No)
   set(FLB_OUT_PLOT               No)
   set(FLB_OUT_FILE              Yes)
+  set(FLB_OUT_LOGROTATE         Yes)
   set(FLB_OUT_TD                 No)
   set(FLB_OUT_RETRY              No)
   set(FLB_OUT_SPLUNK            Yes)

conf/fluent-bit-logrotate.conf

@@ -0,0 +1,21 @@
+[SERVICE]
+    Flush        1
+    Log_Level    info
+    Parsers_File parsers.conf
+
+[INPUT]
+    Name        dummy
+    Tag         test.logrotate
+    Dummy       {"message": "test log message", "level": "info"}
+    Rate        10
+
+[OUTPUT]
+    Name        logrotate
+    Match       test.logrotate
+    Path        /tmp/logs
+    File        test.log
+    Format      json
+    Max_Size    10M
+    Max_Files   5
+    Gzip        On
+    Mkdir       On

include/fluent-bit/flb_aws_credentials.h

@@ -34,6 +34,14 @@
 /* 5 second timeout for credential related http requests */
 #define FLB_AWS_CREDENTIAL_NET_TIMEOUT 5
 
+/* IoT Credentials Environment Variables */
+#define AWS_IOT_KEY_FILE               "AWS_IOT_KEY_FILE"
+#define AWS_IOT_CERT_FILE              "AWS_IOT_CERT_FILE"
+#define AWS_IOT_CA_CERT_FILE           "AWS_IOT_CA_CERT_FILE"
+#define AWS_IOT_CREDENTIALS_ENDPOINT   "AWS_IOT_CREDENTIALS_ENDPOINT"
+#define AWS_IOT_THING_NAME             "AWS_IOT_THING_NAME"
+#define AWS_IOT_ROLE_ALIAS             "AWS_IOT_ROLE_ALIAS"
+
 /*
  * A structure that wraps the sensitive data needed to sign an AWS request
  */
@@ -225,6 +233,11 @@ struct flb_aws_provider *flb_eks_provider_create(struct flb_config *config,
                                                  flb_aws_client_generator
                                                  *generator);
 
+/*
+ * IoT Provider
+ */
+struct flb_aws_provider *flb_iot_provider_create(struct flb_config *config,
+                                                 struct flb_aws_client_generator *generator);
 
 /*
  * STS Assume Role Provider.

plugins/CMakeLists.txt

@@ -363,6 +363,7 @@ REGISTER_OUT_PLUGIN("out_datadog")
 REGISTER_OUT_PLUGIN("out_es")
 REGISTER_OUT_PLUGIN("out_exit")
 REGISTER_OUT_PLUGIN("out_file")
+REGISTER_OUT_PLUGIN("out_logrotate")
 REGISTER_OUT_PLUGIN("out_forward")
 REGISTER_OUT_PLUGIN("out_http")
 REGISTER_OUT_PLUGIN("out_influxdb")

plugins/out_logrotate/CMakeLists.txt

@@ -0,0 +1,4 @@
+set(src
+  logrotate.c)
+
+FLB_PLUGIN(out_logrotate "${src}" "")